38 results on '"Yu Bi"'
Search Results
2. Dek219 encodes the DICER-LIKE1 protein that affects chromatin accessibility and kernel development in maize
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XIE, Si-di, TIAN, Ran, ZHANG, Jun-jie, LIU, Han-mei, LI, Yang-ping, HU, Yu-feng, YU, Guo-wu, HUANG, Yu-bi, and LIU, Ying-hong
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- 2023
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Catalog
3. Effects of Three Different Heating Devices on Patients Undergoing Surgery: A Network Meta-Analysis.
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He, Hao C., Yu, Bi J., Mai, Shu Y., Liu, Ye, Li, Meng Y., Yan, Xiao Y., and Huang, Xiao H.
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Perioperative hypothermia is a common anesthesia-related complication that can result in negative outcomes. Intraoperative active heating can positively impact these outcomes. Therefore this study aimed to investigate the effectiveness of three common heating devices for controlling hypothermia, improving thermal comfort, and reducing anesthesia recovery time. Systematic review and meta-analysis. Seven electronic literature databases were searched from the inception date of the databases to March 18, 2022. RevMan 5.4 and Stata 15.1 were used to perform meta-analyses on the obtained data, and the Cochrane Evaluation Manual was used for quality risk assessment of the included studies. A total of 18 studies involving 1,511 patients undergoing surgery using heating devices were included. In this meta-analysis, a ranking method known as the Surface Under the Cumulative Ranking Curve (SUCRA) was used. SUCRA provides a numerical measure of the effectiveness of treatments, with higher values indicating superior efficacy. Findings demonstrated that the concurrent use of three heating devices led to an elevation in core body temperatures (SUCRA = 69.2%) and enhanced delayed recovery (SUCRA = 88.6%) as compared to the application of a single device. Furthermore, for thermal comfort, the employment of heating blankets proved to be the most effective (SUCRA = 87.8%). This study showed the core body temperatures and reductions in delayed recovery were greater when three heating devices were used together as compared to use one of them alone. Heating blankets was the most effective option for improving the thermal comfort of patients. Thus, clinicians should opt for appropriate heating equipment according to the type of surgery and the characteristics and needs of patients. The choice of appropriate heating equipment will ensure surgical safety, improve patient comfort, and reduce surgical risks. [ABSTRACT FROM AUTHOR] more...
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- 2024
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4. SSN_SEM: Design and application of a fusion ontology in the field of medical equipment
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Zhang, Xue-Zhen, Yu, Bi-Hui, and Liu, Chang
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- 2021
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5. Design and implementation of a semantic gateway based on SSN ontology
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Yu, Bi-Hui, Wang, He, Dong, Xin-Peng, and Zhang, Xue-Zhen
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- 2021
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6. Effects of recombinant lycopene dietary supplement on the egg quality and blood characteristics of laying quails
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Hsu, Wei-Ting, Chiang, Chung-Jen, Chao, Yun-Peng, Chang, Chi-Huan, Lin, Li-Jen, Yu, Bi, and Lee, Tzu-Tai
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- 2015
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7. A study on sulfites for lithium-ion battery electrolytes
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Yu, Bi Tao, Qiu, Wei Hua, Li, Fu Shen, and Cheng, Li
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- 2006
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8. Inorganic polymer phosphazene disulfide as cathode material for rechargeable lithium batteries
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Xu, Guo-Xiang, Lu, Qi, Yu, Bi-Tao, and Wen, Lei
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- 2006
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9. Rationale and design of China intensive lipid lowering with statins in acute coronary syndrome: The CHILLAS study
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Zhao, Shui-Ping, Peng, Dao-Quan, Yu, Bi-Lian, and Huo, Yong
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Medical research ,Medicine, Experimental ,Low density lipoproteins ,Cardiology ,Cardiovascular agents ,Cholesterol ,Statins ,Coronary heart disease ,Health - Abstract
To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.ahj.2009.07.030 Byline: Shui-ping Zhao (a), Dao-quan Peng (a), Bi-lian Yu (a), Yong Huo (b) Abstract: Current guidelines recommended intensive low-density lipoprotein cholesterol lowering with statins, aiming at the target of 70 mg/dL (1.81 mmol/L) of low-density lipoprotein cholesterol for those with very high risk of coronary artery events. However, there is no multicenter study assessing the effect of intensive lipid lowering therapy with statins on acute coronary syndrome (ACS) in Chinese population. Author Affiliation: (a) Department of Cardiology, the Second Xiangya Hospital of Central South, University, Changsha, Hunan, PR China (b) Department of Cardiology, Peking University First Hospital, Beijing, PR China Article History: Received 25 February 2009; Accepted 29 July 2009 more...
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- 2009
10. Social cost of carbon under shared socioeconomic pathways.
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Yang, Pu, Yao, Yun-Fei, Mi, Zhifu, Cao, Yun-Fei, Liao, Hua, Yu, Bi-Ying, Liang, Qiao-Mei, Coffman, D'Maris, and Wei, Yi-Ming
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CLIMATE change ,EMISSIONS (Air pollution) ,SOCIAL services ,ECONOMIC development ,INDUSTRIALIZATION - Abstract
Highlights • We update the social carbon cost under five shared socioeconomic pathways. • This is the first article to address the socioeconomic impact of social carbon cost. • The development of regional rivalries will double the present social carbon cost. • After 2060, social carbon costs will rise to unbearable levels with continued fossil-fueled development. Abstract The Social Carbon Cost (SCC) measures present value of future economic damages caused by an additional ton of carbon emissions, and is widely used by governments to design climate policies. Although the use of SCC is very extensive, its predictions are very difficult. Because the SCC is defined by social welfare associated with economic growth and population, its estimation is necessarily dependent on future assumptions that are difficult to project. Many approaches consider the impact of population or economic growth on the SCC, but these socioeconomic factors must be grounded on solid assumptions concerning political, technological and environmental developments. Over the past seven years, the climate change research community has established five plausible socioeconomic narratives, called 'Shared Socioeconomic Pathways' (SSPs), numbered SSP1–SSP5. These scenarios provide descriptions of how the future might unfold in several key areas. To this end, we use the Dynamic Integrated model of Climate and the Economy (DICE) to update the SCC under the five socioeconomic pathways, while also considering alternative damage functions and the social welfare discount rate to address uncertainty. The result of the China Climate Change integrated assessment model (C
3 IAM) were used to re-estimate parameters in DICE, therefore characterize the SSPs. The results show that, in a world developing towards regional rivalry (SSP3), the SCC today will likely double compared with other scenarios. If emerged developing countries will follow the same path as previous industrializations (SSP5), the SCC will experience a rapid increase after 2060. Inequality (SSP4) will experience low mitigation pressure under a sustainable development scenario (SSP1), while the historical development pattern (SSP2) will have a moderate SCC with higher uncertainty. The results can provide carbon price benchmarks for policy makers who hold different attitudes towards the future and can help address the need to avoid regional rivalries and fossil-fueled development, which may counteract mitigation efforts. [ABSTRACT FROM AUTHOR] more...- Published
- 2018
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11. Marginal abatement costs of CO2 emissions in the thermal power sector: A regional empirical analysis from China.
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Peng, Juan, Yu, Bi-Ying, Liao, Hua, and Wei, Yi-Ming
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ELECTRIC power plants , *ABATEMENT (Atmospheric chemistry) , *CARBON dioxide mitigation , *REGRESSION analysis , *COAL reserves - Abstract
Quantifying marginal abatement costs of CO 2 emissions are beneficial to estimate mitigation potentials and costs of China's regional thermal power sector. Based on the panel data of 30 provinces from 2004 to 2013, this study estimates the technical efficiency, reduction potential, and marginal abatement costs of CO 2 emissions from the thermal power sector in China using a parametric quadratic directional output distance function. A regression analysis is undertaken to identify the factors that drive marginal abatement costs. The main results are: (1)The mean value of directional output distance function in China's thermal power sector is 0.0449, indicating that inefficient production of Chinese thermal power sector accounts for 4.49%. CO 2 emissions could be mitigated by accumulated 1.22 billion ton in the past ten year, which is approximate 4.49% of total CO 2 emissions; (2)The national weighted average marginal abatement costs of CO 2 emissions are 316.51 Yuan/ton which is far higher than carbon price in the current ETS (emission trading system) pilots in China, implying that carbon price does not inflect supply and demand of carbon allowance; (3)The regression results show that the marginal abatement costs positively connect with regional power scale, namely a 1% increase in power scale will result in a 13.8% increase. Technology level, coal supply and power structure are negatively correlated with marginal abatement costs, namely a 1% increase in technology level, coal supply and power structure will result respectively in a 30.41%, 4.38% and 77.7% decrease. [ABSTRACT FROM AUTHOR] more...
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- 2018
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12. GC–MS analysis of liposoluble constituents from the stems of Cynomorium songaricum
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Zhou, Yu-Bi, Ye, Run-Rong, Lu, Xue-Feng, Lin, Peng-Cheng, Yang, Shi-Bing, Yue, Peng-Peng, Zhang, Chang-Xian, and Peng, Min
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- 2009
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13. Kinetic study on solid state reaction for synthesis of LiBOB
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Yu, Bi-Tao, Qiu, Wei-Hua, Li, Fu-Shen, and Li, Li-Fen
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- 2007
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14. Comparison of the electrochemical properties of LiBOB and LiPF 6 in electrolytes for LiMn 2O 4/Li cells
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Yu, Bi-Tao, Qiu, Wei-Hua, Li, Fu-Shen, and Cheng, Li
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- 2007
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15. Effect of Long Protocol on the Outcome of In Vitro Fertilization-embryo Transfer in Patients with Endometriosis Compared with Prolonged Protocol.
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Jian-ping ZHANG, Xue-qing WU, Xing-yu BI, Bing-bing CHEN, Si-ping ZHANG, and Hui-ping LIU
- Abstract
Objective To investigate the effect of different down-regulation protocol on the in vitro fertilization-embryo transfer (IVF-ET) outcomes in infertile patients with endometriosis (EMs). Methods A retrospective case control study was performed. Totally 294 infertile patients with EMs were enrolled. And 109 patients (116 cycles) received prolonged protocol as the control, 185 patients (193 cycles) received long protocol as case group, all followed by standard controlled ovarian hyperstimulation (COH). Response to gonadotropins, the fertilization rate, the cleavage rate, the implantation rate, the clinical pregnancy rate and the miscarriage rate were measured and analyzed between the two groups. Results A trend toward better ovarian response was observed in long protocol group. Higher fertilization rate, lower total dose of rFSH, shorter duration of stimulation and more endometrial thickness on the day of hCG injection were observed in long protocol group compared with those of prolonged protocol group, and the difference was significant (P<0.05). In addition, the clinical pregnancy rate, the cleavage rate and the implantation rate also had an increase trend in long protocol group compared with those of prolonged protocol group, but without significant differences. Conclusion Long protocol regimen before IVF-ET in patients with EMs resulted in a trend toward better ovarian response and higher clinical pregnancy rates than prolonged protocol regimen did. [ABSTRACT FROM AUTHOR] more...
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- 2014
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16. The effect of moderate-dose versus double-dose statins on patients with acute coronary syndrome in China: Results of the CHILLAS trial.
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Zhao, Shui-ping, Yu, Bi-lian, Peng, Dao-quan, and Huo, Yong
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STATINS (Cardiovascular agents) , *TREATMENT of acute coronary syndrome , *DRUG efficacy , *LOW density lipoproteins , *MYOCARDIAL infarction - Abstract
Abstract: Background: Current guidelines recommend intensive low-density lipoprotein (LDL) cholesterol lowering with statins, with a target of 70mg/dL (1.81mmol/L) LDL cholesterol for those with a very high risk of coronary artery events. However, there is no multicenter study assessing the effect of intensive lipid-lowering therapy with statins on acute coronary syndrome (ACS) in a Chinese population with low baseline LDL cholesterol levels. Methods and results: Patients (n =1355) with ACS were treated with a moderate dose of statin (atorvastatin 10 mg/d, or equivalent dose of other statins, n =675) or with an intensive dose of statin (atorvastatin, 20 or 40mg/d, or equivalent dose of other statins, n =680) for 2 years. The primary end points were cardiac death, non-fatal acute myocardial infarction (MI), revascularization, ischemic stroke and documented unstable angina or severe heart failure requiring emergency hospitalization. Baseline lipid levels were nearly identical in both groups with a mean LDL cholesterol level of 2.7mmol/L (103mg/dL). At 3 months, LDL cholesterol levels declined 20.2% in the moderate dose statin group and 26.6% in the intensive statin group, respectively (P <0.001). In a 2-year follow-up, a primary end point event occurred in 20 patients in the moderate dose statin group and in 28 patients in the intensive statin group. There was no significant between-group difference in the primary outcome (hazard ratio, 1.39; 95% confidence interval [CI], 0.78–2.46; P =0.245). Conclusions: For ACS patients with a relatively low baseline LDL cholesterol level who received optimized current medication and interventional therapy, the incremental LDL cholesterol reduction of 6.4% achieved by double-dose statin did not bring significant clinical effectiveness. [Copyright &y& Elsevier] more...
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- 2014
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17. The protective role of MnTBAP in oxidant-mediated injury and inflammation in a rat model of lung contusion.
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Suresh, Madathilparambil V., Yu, Bi, Lakshminrusimha, Satyan, Machado-Aranda, David, Talarico, Nicholas, Zeng, Lixia, Davidson, Bruce A., Pennathur, Subramaniam, and Raghavendran, Krishnan
- Abstract
Background: Lung contusion (LC) is a unique direct and focal insult that is considered a major risk factor for the initiation of acute lung injury and acute respiratory distress syndrome. We have shown recently that consumption of nitric oxide (due to excess superoxide) resulting in peroxynitrite formation leads to decreased vascular reactivity after LC. In this study, we set out to determine whether the superoxide scavenger Mn (III) tetrakis (4-benzoic acid) porphyrin chloride (MnTBAP) plays a protective role in alleviating acute inflammatory response and injury in LC. Methods: Nonlethal, closed-chest, bilateral LC was induced in a rodent model. Administration of the superoxide dismutase mimetic MnTBAP concurrently in LC in rats was performed, and bronchoalveolar lavage (BAL) and lung samples were analyzed for degree of injury and inflammation at 5 and 24 h after the insult. The extent of injury was assessed by the measurement of cells and albumin with cytokine levels in the BAL and lungs. Lung samples were subjected to H&E and superoxide staining with dihydro-ethidium. Protein-bound dityrosine and nitrotyrosine levels were quantified in lung tissue by tandem mass spectrometry. Results: The degrees of lung injury after LC as determined by BAL albumin levels were significantly decreased in the MnTBAP-administered rats at all the time points when compared to the corresponding controls. The release of proinflammatory cytokines and BAL neutrophils was significantly less in the rats administered MnTBAP after LC. Administration of MnTBAP decreased tissue damage and decreased necrosis and neutrophil-rich exudate at the 24-h time point. Staining for superoxide anions showed significantly greater intensity in the lung samples from the LC group compared to the LC+ MnTBAP group. High-performance liquid chromatography/tandem mass spectrometry revealed that MnTBAP treatment significantly attenuated dityrosine and nitrotyrosine levels, consistent with decreased oxidant injury. Conclusion: Superoxide dismutase mimetic-MnTBAP reduced permeability and oxidative injury in LC and may have a therapeutic role in diminishing inflammation in LC. [Copyright &y& Elsevier] more...
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- 2013
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18. Increased phospholipase A2 and lyso-phosphatidylcholine levels are associated with surfactant dysfunction in lung contusion injury in mice.
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Machado-Aranda, David, Wang, Zhengdong, Yu, Bi, Suresh, M.V., Notter, Robert H., and Raghavendran, Krishnan
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PHOSPHOLIPASE A2 ,LYSOPHOSPHOLIPIDS ,PHYSIOLOGICAL effects of surface active agents ,BRUISES ,LUNG injury treatment ,LABORATORY mice ,GENE expression - Abstract
Objective: Surfactant dysfunction is an important pathologic disturbance in various forms of acute inflammatory lung injury. Previously we reported the presence of marked alterations in the composition and activity of pulmonary surfactant in bilateral lung contusions (LC) injury induced by blunt trauma in rats. This is extended here to a mouse model of unilateral LC with a focus on compositional and functional changes in surfactant associated with permeability injury and increases in activity of secretory phospholipase A
2 . Results: Surfactant-associated gene expression was not altered in mice with unilateral LC injury on the basis of Affymetrix analysis. LC mice had significant permeability injury with increased albumin and total protein in bronchoalveolar lavage at 5, 24, 48, and 72 hours after insult compared with uninjured controls. The percent content of large surfactant aggregates was depleted at all postinjury times, and pulmonary pressure-volume (P-V) mechanics and compliance were abnormal during this period. Surfactant dysfunction was evaluated in 24 hours, when permeability injury and P-V changes were most prominent. At this time, activity levels of secretory phospholipase A2 were increased in bronchoalveolar lavage, and chromatographic analysis showed that large surfactant aggregates had decreased levels of phosphatidylcholine and increased levels of lyso-phosphatidylcholine. These changes were accompanied by severe detriments in large aggregate surface activity by pulsating bubble surfactometry. Large aggregates from LC mice at 24 hours had minimum surface tensions of only 12.6 ± 1.1 mN/m after prolonged bubble pulsation (20 min) compared with 0.7 ± 0.03 mN/m for uninjured controls. Conclusion: These results document important detriments in the composition and activity of pulmonary surfactant in LC injury in mice and suggest that active synthetic phospholipase-resistant exogenous surfactants may have utility in treating surfactant dysfunction in this clinically important condition. [Copyright &y& Elsevier] more...- Published
- 2013
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19. Influences of xylooligosaccharides on the quality of Chinese-style meatball (kung-wan)
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Wu, Yu-Bi and Lin, Kuo-Wei
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MEAT quality , *MEATBALLS , *SUCROSE , *HARDNESS , *PROTEINS , *HYDROGEN-ion concentration , *SENSORY evaluation - Abstract
Abstract: Physicochemical properties, sensory traits, and protein surface hydrophobicity of Chinese-style meatball (20% fat) processed from various combinations of xylooligosaccharides (XOS) and sucrose were investigated. No significant differences in pH and water-holding capacity were noted for treatments following cooking and frozen storage. Sensory springiness, hardness, chewiness, and overall acceptability of all treatments were found not significantly different. Water-soluble protein and total extractable protein concentrations of XOS4 (4% xylooligosaccharides) containing treatments were higher than other treatments at any frozen storage period (0, 4, 8, and 12weeks). Addition of xylooligosaccharides or sucrose singly or in combination at levels investigated in this experiment resulted in Chinese meatballs with comparable quality. Substitution of sucrose with varying amounts (1, 2, and 4%) of xylooligosaccharides functioned equally on the quality of Chinese-style meatball. [Copyright &y& Elsevier] more...
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- 2011
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20. Dual effects of oxidized low-density lipoprotein on LXR-ABCA1-apoA-I pathway in 3T3-L1 cells
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Zhao, Shui-Ping, Yu, Bi-Lian, Xie, Xiang-Zhu, Dong, Shao-Zhuang, and Dong, Jing
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LIPOPROTEINS , *FAT cells , *CHOLESTEROL , *MESSENGER RNA - Abstract
Abstract: Background: The adipocyte has been proven to recognize and degrade oxidized low-density lipoprotein (oxLDL), while cholesterol efflux from adipocytes to clear excess cholesterol loaded by oxLDL is essential to maintain its normal function. Thus, it is intriguing to explore the effects of oxLDL on cholesterol efflux in adipocytes. Methods: Fully differentiated 3T3-L1 cells were incubated in the medium containing various concentrations of oxLDL (0 to 50 μg/mL) for 8 or 24 h. 10μmol/L 22(R)-hydroxycholesterol was exposed to preconditioned adipocytes with 25μg/mL oxLDL for 24 h. Reverse transcription polymerase chain reaction (RT-PCR) was used to evaluate adipocytes mRNA expression. Cholesterol efflux rate was determined through measuring release of radioactivity from 3H-cholesterol prelabeled cells into medium containing apolipoprotein A-I (apoA-I). Results: Low concentrations of oxLDL caused a significant increase in apoA-I-mediated cholesterol efflux via enhancement of ATP binding cassette transporter A1 (ABCA1) pathway, whereas higher concentrations were incapable. In adipocytes preincubated with 25 μg/mL oxLDL for 24 h, 22(R)-hydroxycholesterol could increase ABCA1 and LXRα mRNA levels and apoA-I-mediated cholesterol efflux. Conclusion: OxLDL has dual effects on ABCA1 pathway in adipocytes. It depends on the concentration and exposure time. The new action of low levels of oxLDL may provide further understanding to its atheroprotective effects. [Copyright &y& Elsevier] more...
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- 2008
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21. Establishment of a Sandwich ELISA Method for Detection of Vascular Endothelial Growth Factor in Serum Samples of Hepatocellular Carcinoma Patients.
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Bing Shan, Chen Gao, Jian-Ming Chen, Xin-Yu Bi, Bao-Yun Zhang, Yan Guo, Chen-Fnag Dong, Run An51, Qi Shi, Jing-Qun Hu, Ping Zhao, Jun Han, and Xiao-PIng Dong
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CANCER patients ,PROTEINS ,IMMUNOGLOBULINS ,POLYPEPTIDES ,BIOMOLECULES ,ORGANIC compounds ,PROTEOMICS ,BLOOD proteins ,GLOBULINS - Abstract
Objective To establish a sandwich ELISA method for detecting vascular endothelial growth factor (VEGF) in sera of population and the patients with hepatocellular carcinoma (HCC). Methods Full length and two truncated human VEGF cDNA sequences were amplified from a commercial plasmid pBLAST49-hVEGF by PCR and inserted into the prokaryotic-expression plasmid pET-32a or pGEX-2T. Various VEGF proteins were expressed and purified from E. coil in His-Trx or GST fusion forms. The specific VEGF antibodies were elicited in experimental rabbits and mice by immunization of the full length VEGF fusion protein His-Trx-VEGF1-165. After purification of antibodies with chromatograph of Protein 0, a sandwich ELISA technique was established. Serum VEOF levels were evaluated in 229 adults and 291 HCC patients. Results SDS-PAGE displayed that the molecular weights of the expressed full length (His-Trx-VEGF1-165), N-terminal (His-Trx-VEGF1-100) and C-terminal (GST-VEGF100-165) human VEGF fusion proteins were about 38KD, 31KD, and 33KD, respectively. Western blots confirmed that the prepared antisera were able to recognize both prokaryoticly and eukaryoticly expressed recombinant VEGF proteins. Assays of serially diluted His-Trx-VEGF1-100 by the established sandwich ELISA method showed that the linear range of the standard curve was 0.625-320 ng/mL, with the squared correlation coefficient R²=0.991. Screening of a serum panel containing 291 serum samples of HCC patients and 229 health adults revealed that the average VEGF level in HCC patients was higher than that in healthy controls, with a statically significant difference. Conclusion The established sandwich ELISA reflects the level of serum VEGF and provide scientific basis for screening metastasis and recurrence of HCC using serum VEGF as an index. [ABSTRACT FROM AUTHOR] more...
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- 2008
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22. Oxidized low-density lipoprotein: A double-edged sword on atherosclerosis.
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Yu, Bi-lian, Zhao, Shui-ping, and Huang, Xian-sheng
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ATHEROSCLEROSIS ,LIPOPROTEINS ,METABOLISM ,LOW density lipoproteins ,ARTERIOSCLEROSIS - Abstract
Summary: It is well known that atherosclerosis is closely related to lipoprotein metabolism, particularly to the low density lipoprotein (LDL). LDL becomes atherogenic after undergoing oxidation by vascular cells, that transform them into highly bioreactive oxidized LDL (oxLDL). oxLDL is generally though to be involved in foam cell formation, and trigger an array of proatherogenic events. However, there are accumulating evidences that low levels of oxLDL can be atheroprotective through its cytoprotection, modulation of immunity and activation of reverse cholesterol transport. Thus, oxLDL may exert biphasic effects on atherosclerosis, just like a doubled-edged sword. [Copyright &y& Elsevier] more...
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- 2007
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23. Anti-inflammatory effect is an important property of niacin on atherosclerosis beyond its lipid-altering effects.
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Yu, Bi-lian and Zhao, Shui-ping
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NIACIN ,FATTY acids ,LIPOPROTEINS ,ATHEROSCLEROSIS ,CORONARY disease - Abstract
Summary: Niacin has been used for decades to lower the plasma concentrations of cholesterol, free fatty acids, and triglycerides in humans, and in addition it raises more than any other drug the levels of the protective high density lipoprotein. These effects have been used to treat dyslipidemic states. Trials have shown that treatment with niacin reduces progression of atherosclerosis, and clinical events and mortality from coronary heart disease. The beneficial clinical efficacy of niacin appropriately emphasizes the prominent role of its lipid-altering effects; however, high expression of niacin receptor in a variety of immune cell types, lowering of inflammatory markers, and beneficial impact on adipokines expression could provide rational to the hypothesis that anti-inflammatory effect is also an important property of niacin on atherosclerosis beyond its lipid-altering effects. [Copyright &y& Elsevier] more...
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- 2007
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24. Comparison of the electrochemical properties of LiBOB and LiPF6 in electrolytes for LiMn2O4/Li cells
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Yu, Bi-Tao, Qiu, Wei-Hua, Li, Fu-Shen, and Cheng, Li
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CELLS , *ELECTRON microscopy , *LITHIUM , *ELECTROLYTES - Abstract
Abstract: The electrochemical stability and conductivity of LiPF6 and lithium bis(oxalato)borate (LiBOB) in a ternary mixture of ethylene carbonate (EC), ethyl methyl carbonate (EMC) and diethyl carbonate (DEC) were compared. The discharge capacities of LiMn2O4/Li cells with the two electrolytes were measured at various current densities. At room temperature, LiMn2O4/Li cells with the electrolyte containing LiBOB cycled equally well with those using the electrolyte containing LiPF6 when the discharge current rate was under 1C. At 60°C, the LiBOB-based electrolyte cycled better than the LiPF6-based electrolyte even when the discharge current rate was above 1C. Compared with the electrolyte containing LiPF6, in LiMn2O4/Li cells the electrolyte containing LiBOB exhibited better capacity utilization and capacity retention at both room temperature and 60°C. The scanning electron microscopy (SEM) images and the a.c. impedance measurements demonstrated that the electrode in the electrolyte containing LiBOB was more stable. In summary, LiBOB offered obvious advantages in LiMn2O4/Li cells. [Copyright &y& Elsevier] more...
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- 2007
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25. Effects of glucanase inclusion in a de-hulled barley diet on the growth performance and nutrient digestion of broiler chickens
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Yu, Bi, Sun, Yee-Mei, and Chiou, Peter Wen-Shyg
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BROILER chickens , *BARLEY as feed - Abstract
A trial was conducted to evaluate the substitution of process de-hulled barley (or pearled barley) for maize in a traditional maize-soy diet and the inclusion of β-glucanase on the growth performance and nutrient digestibility of broiler chickens. The experiment was a randomized design with a
3×2 factorial arrangement with three levels of de-hulled barley substitution and two levels of enzyme inclusion in the diet. De-hulled barley replaced 0, 400 or 800 g maize/kg with versus without β-glucanase inclusion in iso-nitrogenous and iso-caloric experimental diets. Results showed that increasing amounts of barley substitution increased feed intake in the broiler chickens, hence significantly increased the live-weight gain both in the grower and finisher period (P<0.05 ). The barley inclusion, however, did not significantly influence the feed conversion of the broilers. Inclusion of β-glucanase did not show improvement in the growth performance of the broilers (P>0.05 ). Barley substitution in the broiler diet did not significantly influence the digesta viscosity in the duodenum (P>0.05 ), however, a significant increase in the relative weight of the jejunum and caecum was evident in growing broilers and in the ileum weight in the finisher. Barley substitution also depressed dry matter and crude fat digestibility (P<0.05 ) in the starting and finishing periods. Enzyme inclusion significantly decreased the relative weight of the GI tracts except for the caecum in the grower and the crop, gizzard and jejunum in finisher broilers. Enzyme inclusion significantly improved fat digestion in grower diet (P<0.05 ). Enzyme inclusion also significantly increased the total VFA concentration in the finisher (P<0.05 ). It appears that de-hulled barley substitute for maize increased feed intake, hence increased live-weight gains for the broiler chickens and decreased dry matter and fat digestibility in the grower. Inclusion of β-glucanase decreased the relative weight of the GI tract, increased fat digestion in growers and total VFA content in the caecum of finishing broiler chickens. [Copyright &y& Elsevier] more...- Published
- 2002
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26. Eosinophilic myocarditis due to Churg–Strauss syndrome mimicking reversible dilated cardiomyopathy.
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Chen, Ming-xian, Yu, Bi-lian, Peng, Dao-quan, and Zhou, Sheng-hua
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Abstract: A 41-year-old woman with a history of asthma arrived at the emergency room of our hospital with dyspnea. The electrocardiogram showed no specific results. Echocardiography defects revealed an obvious decrease in the left ventricular systolic function and enlargement of the left chamber. We initially considered her condition to be dilated cardiomyopathy. However, she had eosinophilia in the peripheral blood and elevated cardiac enzymes. The coronary angiography showed normal coronary arteries. Single photon emission computed tomography (SPECT) showed infiltrative myocardial disease. She was then diagnosed with eosinophil infiltrations. Combined with peripheral nerve injury and lung involvement, she was diagnosed as having Churg–Strauss syndrome. After initiating prednisone treatment, her eosinophilia and rising cardiac enzymes recovered to normal, and both her echocardiographic abnormalities and symptoms noticeably improved. [Copyright &y& Elsevier] more...
- Published
- 2014
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27. A comparison of non-HDL and LDL cholesterol goal attainment in the CHILLAS trial.
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Yu, Bi-lian, Zhao, Shui-ping, Peng, Dao-quan, Huo, Yong, and Hu, Lu
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- 2013
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28. The Prospects of Carbon Capture and Storage in China's Power Sector under the 2 °C Target: A Component-based Learning Curve Approach.
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Kang, Jia-Ning, Wei, Yi-Ming, Liu, Lancui, Han, Rong, Chen, Hao, Li, Jiaquan, Wang, Jin-Wei, and Yu, Bi-Ying
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POLLUTION control costs ,PULVERIZED coal ,GLOBAL warming ,CARBON offsetting ,ABATEMENT (Atmospheric chemistry) ,TECHNOLOGICAL progress ,GEOLOGICAL carbon sequestration ,CARBON sequestration - Abstract
• The study quantifies component-based learning curves of four CCS pathways. • A nonlinear programming approach of CCS technology selection was developed. • An empirical analysis of China's power sector was carried out. • Advanced CCS technology roadmaps in line with 2 °C target were put forward. Carbon capture and storage (CCS) is indispensable in achieving the well below 2 °C warming target, especially for China with coal-dominated energy structures. However, high investment makes the development of CCS far from the global warming target. Concerns about the high cost have led to a spread of pessimistic attitude towards the future of CCS to some extent. Therefore, this study provides the first instance to determine the unit CO 2 avoided cost learning curves of various CCS pathways for China's thermal power generation based on a component-based approach, and establishes a non-linear technology optimization model with endogenous technological progress. Model developed by this study aims to explore the economically optimal CCS deployment strategy for achieving the necessary emission reductions in line with 2 °C target in China and the amount of investment required. Results show that the nominal learning rates of CO 2 avoided costs are in the range of 0.018 to 0.151 for four CCS pathways. The strategic priority should be given to the integrated gasification combined cycle (IGCC) pathway and the supercritical pulverized coal (SPC) pathway, considering that they have greater cost reduction potential than that of oxy-combustion and gas-fired pathway. To achieve the 2 °C target, the total abatement cost will be at least 330 billion US dollars with a CCS capacity of 499 GW for power sector by 2050. The preferred time of large-scale deployment of CCS in China's power sector is around 2030. Postponing CCS commercialization will surge the abatement cost to $626 billion by 2050. In addition, this study provides the long term break-even CO 2 prices for implementing CCS, ranging from approximately $46/ton CO 2 to $62/ton CO 2 , which is informative for the future subsidy setting and carbon trading market. [ABSTRACT FROM AUTHOR] more...
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- 2020
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29. Investment in carbon dioxide capture and storage combined with enhanced water recovery.
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Li, Jia-Quan, Yu, Bi-Ying, Tang, Bao-Jun, Hou, Yunbing, Mi, Zhifu, Shu, Yaqing, and Wei, Yi-Ming
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CARBON sequestration ,SOIL liquefaction ,RENMINBI ,COAL liquefaction ,SALINE waters ,COAL supply & demand ,GOVERNMENT policy ,GEOLOGICAL carbon sequestration - Abstract
• The real options approach is used to assess CCS-EWR investment decisions. • The critical CER price for CCS-EWR is 7.15 CNY/ton higher than that for CCS. • EWR with exemption from water resource fees has a potential investment economy. • The investment feasibility is not optimistic. Carbon dioxide capture and storage combined with enhanced deep saline water recovery (CCS-EWR) is a potential approach to mitigate climate change. However, its investment has been a dilemma due to high costs and various uncertainties. In this study, a trinomial tree modelling-based real options approach is constructed to assess the investment in CCS-EWR retrofitting for direct coal liquefaction in China from the investor perspective. In this approach, the uncertainties in CO 2 prices, capital subsidies, water resource fees, the residual lifetime of direct coal liquefaction plants, electricity prices, CO 2 and freshwater transport distance, and the amount of certified emission reductions (CERs) are considered. The results show that the critical CER price for CCS-EWR retrofits is 7.15 Chinese yuan per ton (CNY/ton) higher than that (141.95 CNY/ton) for CCS retrofits. However, the exemption from water resource fees for freshwater recovered from saline water and a subsidy of 26% of the capital cost are sufficient to eliminate the negative impact of enhanced deep saline water recovery (EWR) on the investment economy of CCS-EWR. In addition, when the residual lifetime is less than 14 years, CCS-EWR projects are still unable to achieve profitability, even with flexible management and decision making; therefore, investors should abandon CCS-EWR investments. On the whole, the investment feasibility for CCS-EWR technology is not optimistic despite access to preferential policies from the government. It is necessary to establish a carbon market with a high and stable CER price. [ABSTRACT FROM AUTHOR] more...
- Published
- 2020
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30. Application of membrane technology for drinking water
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Ma, Wentie, Sun, Zhicai, Wang, Zhongxiang, Feng, Yu Bi, Wang, Tong Chun, Chan, U.S., Miu, Chan Hong, and Zhu, Shucai
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- 1998
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31. Numerical study of flow and heat transfer characteristics in outward convex corrugated tubes
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Han, Huai-Zhi, Li, Bing-Xi, Yu, Bi-Yong, He, Yu-Rong, and Li, Feng-Chen
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NUMERICAL analysis , *HEAT transfer , *CONVEX functions , *GAS tubing , *HELIUM , *TURBULENCE , *REYNOLDS number , *COMPUTATIONAL fluid dynamics , *COMPUTER simulation - Abstract
Abstract: The flow and heat transfer characteristics in convex corrugated tubes have been investigated through numerical simulations in this paper. Two kinds of tube types named as symmetric corrugated tube (SCT) and asymmetric corrugated tube (ACT) are modeled and studied numerically based on the k-ϵ model. The heat transfer working fluid at shell and tube sides are nitrogen and helium gases respectively. 2D axisymmetric model is adopted to simplify 3D model in order to reduce the computation cost greatly. Numerical simulation results for flow and heat transfer performances in SCT and ACT with various geometrical parameters, including corrugation pitch, corrugation height and corrugation trough radii are systematically analyzed. The mechanisms behind the improvement of overall performances of the simulated outward convex corrugated tube are discussed through investigating the details of turbulent velocity fields at both tube and shell sides. Compared to SCT, ACT exhibits 8–18% higher overall heat transfer performance. [Copyright &y& Elsevier] more...
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- 2012
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32. China's carbon emissions and energy demand under different methods of global mitigation cooperation: Application of an extended RICE model with energy details.
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Zhang, Kun, Yang, Zili, Liang, Qiao-Mei, Liao, Hua, Yu, Bi-Ying, and Wei, Yi-Ming
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ENERGY consumption , *CARBON emissions , *FOSSIL fuels , *GREENHOUSE gas mitigation , *INTERNATIONAL cooperation - Abstract
This study extends the classic RICE model by introducing energy factors into the economic module and comprehensively describes different types of energy demands. Taking China as an example, we constructed the RICE-China model and further explored the impact of different cooperation methods on China's carbon emissions and energy demand. The main results are as follows. First, there are significant differences in China's emission reduction under different cooperation scenarios. In the Lindahl cooperation scenario, China's carbon emissions in 2100 have reduced by 90.5 % to achieve the two-degree goal, which is lower than the utilitarian cooperation scenario. Second, the decline in China's fossil energy under the utilitarian scenario is higher than that under the Lindal scenario. Specifically, China's fossil energy demand decreased by 91.4 % in 2100 under the Lindal scenario, with non-fossil energy accounting for 94.7 % of total energy consumption. Third, China's emission reduction in the later period under the RICE-China model is lower than that of the RICE model, and the corresponding GDP loss has also decreased. Specifically, China's GDP losses under the RICE-China model are approximately 1.5–2.8% points lower than those under the RICE model. This study provides new insights for China to participate in international climate cooperation. • Introduce energy factors into the RICE model and construct the RICE-China model. • Considering energy factors is necessary to grasp a region's carbon emission trend. • Larger mitigation burden for China under the utilitarian cooperation scenario. • China's later mitigation efforts are lower under RICE-China than the RICE model. [ABSTRACT FROM AUTHOR] more...
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- 2023
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33. Frontiers of low-carbon technologies: Results from bibliographic coupling with sliding window.
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Wei, Yi-Ming, Wang, Jin-Wei, Chen, Tianqi, Yu, Bi-Ying, and Liao, Hua
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BIBLIOGRAPHIC coupling , *OXIDATION of water , *ELECTROCATALYSIS , *IONIC liquids , *MAGNETIC nanoparticles , *ELECTROCOAGULATION (Chemistry) - Abstract
It is of great significance to quickly and accurately detect the current and future development trends of low-carbon technologies (LCT). However, there is a lack of detecting research fronts of low-carbon technologies based on the bibliographic data. This paper proposes a research framework integrating LCT domains and the bibliometric coupling with sliding window technique to explore the LCT research fronts in recent decade (from 2007 to 2016). Eleven research fronts matching the foresight given by LCT experts are identified, including carbon capture and storage (CCS) in power generation, technology transfer, technology diffusion, electrocoagulation, magnetic nanoparticles, critical metals application, electrocatalytic water oxidation, ionic liquids, mutually immiscible ionic liquids, electric vehicle (China), electric vehicle (UK and USA). Closer investigation of the evolution shows that CCS application in the power plants and hydrogen production from water electrolysis are two emerging fronts. Besides, bibliometric coupling with sliding window is an effective tool to detect the frontiers of low-carbon technologies. Finally, the implications of the research for LCT monitoring and development are discussed. [ABSTRACT FROM AUTHOR] more...
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- 2018
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34. A cost-effective and reliable pipelines layout of carbon capture and storage for achieving China's carbon neutrality target.
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Wei, Yi-Ming, Li, Xiao-Yu, Liu, Lan-Cui, Kang, Jia-Ning, and Yu, Bi-Ying
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- *
CARBON sequestration , *CARBON offsetting , *CARBON emissions , *CLIMATE change mitigation , *WATER pipelines , *GREENHOUSE gas mitigation - Abstract
Carbon capture, utilization, and storage (CCUS) is a crucial technology for global climate mitigation. To implement large-scale CCUS, decisions about where and how to build a CO 2 transportation network are urgently required. However, previous studies are limited in proposing the economical transportation network for CCUS that considered comprehensive risks from socio-economic, geographical and geological factors. Here, we develop a pipeline layout planning model to investigate the cost-effective and reliable transportation network for CCUS. Results show that to meet the annual CO 2 emission reduction target of 654 million tons for CCUS in the coal-fired power sector under China's carbon neutral goal, pipelines with a total length of 17,589 km need to be constructed. The emission sources can be transported in pipelines with an average radius of 58 km, and with diameters of 8, 12, and 16 inches. Northeast, north, and northwest China are the main areas suitable for pipeline construction. • Northeast, North, and Northwest in China are vital areas for capture, transport, and storage. • Five large-scale pipeline network groups can be constructed in China. • Pipeline construction is greatly affected by a variety of practical factors. [ABSTRACT FROM AUTHOR] more...
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- 2022
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35. Antagonistic activity against Salmonella infection in vitro and in vivo for two Lactobacillus strains from swine and poultry
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Tsai, Cheng-Chih, Hsih, Hsien-Yee, Chiu, Hsueh-Hui, Lai, Yung-Yu, Liu, Jenn-Hua, Yu, Bi, and Tsen, Hau-Yang
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- *
SACCHAROMYCES cerevisiae , *LEAVENING agents , *NUCLEIC acids - Abstract
Abstract: In this study, we isolated two lactobacillus strains, i.e., strain LAP5 and LF33, from swine and poultry, respectively, and showed that both strains were acid as well as bile tolerant and were able to adhere to the cultured human intestinal cell lines, such as Int-407 and Caco-2 cells, and to the intestinal epithelium cells isolated from swine, poultry and mouse (BALB/c). Both of these LAB strains were shown to inhibit the growth of Escherichia coli, Salmonella typhimurium, Staphylococcus aureus and Bacillus cereus. When these two LAB strains were evaluated for their antagonistic activity against Salmonella (S. typhimurium) invasion to cultured human intestinal cell line Int-407 and to mouse (BALB/c) liver and spleen, these two LAB strains were found to have significant antagonistic effect. [Copyright &y& Elsevier] more...
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- 2005
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36. A social learning approach to carbon capture and storage demonstration project management: An empirical analysis.
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Kang, Jia-Ning, Wei, Yi-Ming, Liu, Lan-cui, Yu, Bi-Ying, and Liao, Hua
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- *
CARBON sequestration , *SOCIAL learning , *PROJECT management , *PILOT projects , *ENGINEERING management - Abstract
[Display omitted] • A data-driven social learning model for CCS project management is proposed. • The inherent learning value of key features of CCS demonstrations are assessed. • Project cost and plant size of CCS are the most relevant factors in past success. • Tax credits and regulatory legislation should be prioritized among CCS incentives. • The power of social hype in a successful CCS demonstration cannot be underrated. Carbon capture and storage (CCS) is an essential technology option for limiting global warming to well below 2 degrees Celsius. Demonstration is an important engineering measure towards large-scale CCS promotion. Implementing a demonstration project is a complicated process of system engineering management that involves a large number of strategic decisions. It is critical to investigate the potential knowledge-generating and decision-making processes embedded in the CCS demonstration, as well as to learn from past successes and failures. Learning-oriented approaches used to be primarily concerned with technical costs, which sparked a lengthy debate regarding the economic viability of CCS projects, but little attention was devoted to the social aspects of project implementation. Based on historical evidence on CCS demonstrations globally, this study developed a data-driven social learning model with high accuracy in estimating the chances of project success, combined with 19 socio-technical characteristics. Our results imply that project performance (79.8%) is more relevant than policy incentives (12.8%) and media hype (7.4%) in explaining previous CCS triumphs. Among the seven policy-level characteristics, tax credits and regulatory legislation have grown in importance over the last 20 years, while the significance of grant subsidies has gradually waned. Furthermore, we found that modest hype assisted in the completion of planned projects, notably carbon dioxide storage projects. The sociocultural narrative of CCS does not yet have a set ending. This highlights the significance of telling compelling CCS stories in steering the future trajectory of technology and the low-carbon energy revolution. [ABSTRACT FROM AUTHOR] more...
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- 2021
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37. Carbon capture and storage in China's power sector: Optimal planning under the 2 °C constraint.
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Wang, Peng-Tao, Wei, Yi-Ming, Yang, Bo, Li, Jia-Quan, Kang, Jia-Ning, Liu, Lan-Cui, Yu, Bi-Ying, Hou, Yun-Bing, and Zhang, Xian
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CARBON sequestration , *COAL-fired power plants , *POLLUTION control costs , *ELECTRICITY pricing , *POWER plants - Abstract
• A source–sink optimization model is proposed for the optimal CCS planning. • 175 GW coal-fired power plants need to be retrofitted with CCS under the 2 °C constraint. • Four large-scale power plant clusters as candidates for CO 2 hubs and clusters have been identified. • A CO 2 storage site can be found within an average radius of 115 km from these power plants. • The minimum abatement cost is USD 1212 billion for the national-level CCS layout. Carbon capture and storage (CCS) has been widely recognized as a key technology to reduce CO 2 emissions in the power sector. China's power sector needs to achieve large-scale emission reductions through CCS technologies to contribute to limiting the global temperature rise to less than 2℃. The best source–sink matching directly affects total mitigation costs for the power sector. However, China has not yet established an optimal CCS plan. This study evaluates the least-cost source–sink relationship and cluster development opportunities for CCS in China under the 2 °C constraint. The results show that 165 existing coal-fired power plants, which have an installed capacity of approximately 175 GW, need CCS retrofitting and can find a suitable CO 2 storage site within an average radius of 115 km. The total captured CO 2 is 17.42 billion tons in Northeast, North, East, Northwest, and South regions with the share of 10.79% (1.88 GtCO 2), 31.29% (5.45 GtCO 2), 35.25% (6.14GtCO 2), 22.39% (3.90GtCO 2), and 0.27% (47MtCO 2), respectively. Approximately 90% of captured CO 2 can be stored in the Songliao, Bohai Bay, and Subei basins. In addition, 23% of the emission reductions can be achieved through CO 2 -enhanced oil recovery. The total mitigation cost is USD 1212 billion and the revenue generated from CO 2 -enhanced oil recovery is USD 377 billion. Overall, it provides the least-cost source–sink layout and cluster development opportunities for CCS development under the 2 ℃ constraint, which can serve as a basis for large-scale CCS adoption in China. [ABSTRACT FROM AUTHOR] more...
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- 2020
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38. Energy systems for climate change mitigation: A systematic review.
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Kang, Jia-Ning, Wei, Yi-Ming, Liu, Lan-Cui, Han, Rong, Yu, Bi-Ying, and Wang, Jin-Wei
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- *
CLIMATE change mitigation , *META-analysis , *GREENHOUSE gas mitigation , *HYDROGEN as fuel , *ECOHYDROLOGY , *NUCLEAR energy , *POWER resources , *CLIMATE change prevention - Abstract
• This study learns energy systems for climate mitigation from a systematic review. • Heterogeneity of energy system research is summarized for the first time. • A novel hand-coding typology analysis for energy systems is proposed. The energy supply sector is the largest contributor to global greenhouse gas emissions. A good understanding of energy systems from existing research will provide multidimensional insights for appropriate actions against global warming. This study conducts a systematic review of the literature covering 1,184 articles on energy issues dealing with climate change mitigation. Using a novel hand-coding typology analysis, we characterize the body of knowledge and identify possible research gaps according to the heterogeneity of the energy process, time scale, geographic location, energy technology, and concerned end-use sector. We find that research interest mainly focuses on the energy supply (496 papers) and the end-use process (359 papers). Energy storage and the energy–water–land nexus are two emerging areas. Biomass, solar, wind, and nuclear energy are the technologies that attract the most attention, while interest in hydrogen energy production and waste-to-energy has grown very recently. The cost-benefit and mitigation potential of renewable generation are the most studied topics, followed by the impacts of climate change on electricity production. In contrast, little attention is paid to research on traditional oil and gas exploration. Regarding the end-use sector, residents and transport are the most evident sectors studied. China, the United States, and Europe are the most featured regions while very few studies focus on Africa, South America, and Small Island Developing States. Current research topics concentrate on how to maximize the co-benefit of greenhouse gas mitigation and eco-environment protection via cost-benefit reinventions of energy systems. Discussions of technological innovation are grounded in optimal technology portfolio deployment and cost reduction potential, along with financial and political incentives. [ABSTRACT FROM AUTHOR] more...
- Published
- 2020
- Full Text
- View/download PDF
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