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Objectives: To describe the frequency and severity of symptoms of exposure to surgical smoke experienced by operating room nurses and to assess and compare the knowledge of, attitude toward, protective measures for, and resistance factors for surgical smoke among operating room nurses with different background characteristics. Methods: This descriptive and comparative study used a convenience sample of nurses at two operating rooms at a medical institute and asked the nurses to fill a structured self-report questionnaire. The data were analyzed using descriptive statistics and one-way analysis of variance. Results: The three most frequent and severe symptoms were sleepiness, runny nose or other nasal discomfort, and headache and cough. Significant differences in symptom frequency and severity were noted with respect to age, years of nursing/operating room experience, and daily working hours. The knowledge test on surgical smoke was answered correctly by 53.3% of the nurses. The mean score of attitude toward handling surgical smoke was 3.58 and was significantly different with respect to age, work title, clinical nursing ladder, clinical unit, and years of nursing/operating room experience. The mean score for self-protective behavior was 1.47 and significantly differed between different clinical units. The mean score for resistance factor was 1.03 and significantly differed between different work titles. Conclusions: These findings may increase the awareness of the hazards of exposure to surgical smoke and highlight the importance of implementing relevant protection measures, educating medical personnel on the potential risk of and injury after exposure, and improving selfprotective behaviors. [ABSTRACT FROM AUTHOR]

Background: To study the levels of expression, coexpression, and clinical significancer of four multidrug resistance factors in lung cancer., Methods: The P glycoprotein (P-gp), multidrug-resistance-associated protein (MRP), lung resistance protein (LRP), glutathione S-transferase (GST-π) of 60 lung cancer patients were detected by using immunohistochemical method., Results: The positive rate of the drug resistance factor was 53.3% (32/60), 63.3% (38/60), 70.0% (42/60), and 80.0% (48/60) for P-gp, MRP, LRP, and GST-π respectively. Patients with NSCLC had significantly higher expression of the drug resistance factors than those with SCLC. On the other hand, no relationship was observed between the expression of drug resistance factors and TNM stage and cell differentiation. The coexpression rate was as follows: P-gp+MRP, 41.6% ; P-gp+LRP, 35.0%; MRP+LRP, 53.3%; MRP+GST-π, 50.0%; LRP+GST-π, 58.3%; P-gp+GST-π, 45.0%; P-gp+MRP+LRP+GST-π, 20.0%. Among them, a relationship was detected between P-gp and MRP ( rs =0.756, P < 0.01), between P-gp and LRP ( rs =0.686, P < 0.01), between MRP and LRP ( rs =0.669, P < 0.01), between MRP and GST-π( rs =0.546, P < 0.01), between LRP and GST-π ( rs =0.848, P < 0.01), between P-gp and LRP ( rs =0.689, P < 0.01), and between P-gp and GST-π ( rs = 0.535 , P < 0.01)., Conclusions: The MDR in lung cancer patients is affected by various multidrug resistance factors. The drug resistance factors' expression is related to histology, but not to TNM stage and cell differentiation.

Copyright of Transactions of the Chinese Society of Agricultural Engineering is the property of Chinese Society of Agricultural Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Shipin Kexue/ Food Science is the property of Food Science Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Bulletin of Soil & Water Conservation is the property of Bulletin of Soil & Water Conservation Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Chinese Journal of Pesticide Science / Nongyaoxue Xuebao is the property of Chinese Journal of Pesticide Science and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Electric Power Automation Equipment / Dianli Zidonghua Shebei is the property of Electric Power Automation Equipment Press and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of South China Fisheries Science is the property of South China Fisheries Science Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Wetlands are important national resources and extremely valuable natural resources with multiple ecosystem service functions. Due to the tension between human population and land space on the rise, the landscape ecological risk of wetlands has increased. Thereby, it is critical to construct a technical path of-risk assessment-problem identificationrestoration strategy-to the protection and restoration of urban wetlands. In this paper, with the urban territory and wetland space of Foshan City as an object of case study, the scope of wetland restoration and ecological resistance factors were determined by evaluating wetland landscape ecological risk index and habitat quality on the basis of urban landscape ecology risk and habitat quality assessment; hence, the protection and restoration pattern of wetland landscape ecological network was set up through the identification of ecological source sites and ecological corridors by classification and zoning; and finally, the sensitive wetlands were extracted according to the wetland ecological barrier points, and practical wetland protection and restoration strategies for Foshan City were proposed with specific site analysis and focus on the balance between protection and development. In short, the strategies for the construction of wetland landscape ecological networks to upgrading the wetland landscape ecological functions from regional risk assessment to restoration area identification could provide an applicable technical path for ecological restoration of land territory. [ABSTRACT FROM AUTHOR]

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Copyright of Arid Zone Research / Ganhanqu Yanjiu is the property of Arid Zone Research Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Clinical Pediatric Surgery is the property of Journal of Clinical Pediatric Surgery Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

[Objective] The relationship between soil column pore structure and soil erosion resistance for soil columns with Bahiagrass was analyzed in order to provide a scientific basis for the optimal arrangement of plants for soil and water conservation and to assess the benefits of planting Bahiagrass. [Methods] This study was conducted using long-term experiments of Bahiagrass grown in soil columns. Four pore indicators (pore length density, bulk density, surface area density, and pore number density) of Bahiagrass soil columns were quantified by CT scanning technology. Flushing tests using a flume with variable slopes were carried out to quantify soil erosion resistance at three slopes (10°, 20°, and 30°) and five runoff rates (0.8, 1.6, 2.4, 3.2, and 4.0 L/s). The relationships between pore structure characteristics and erosion resistance factors were then determined. [Results] Bahiagrass root system development increased during the growth period, but decreased with soil depth. The values of four pore structure indicators in 0—5 cm soil layer were much higher than those in 5—10 cm soil layer, and the average soil rill erodibility (0.026 s/m) and critical shear stress (7.0 Pa) in 0—5 cm surface layer were 0.33 and 1.54 times the values of those respective parameters in 5—10 cm lower soil layer. [Conclusion] The pore characteristics of plant root development indicated soil erosion resistance. The four pore structure indicators obtained by CT scanning were significantly related to factors such as rill erodibility. The pore surface area density was most closely related to the erosion resistance factors.

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Copyright of Chinese Journal of Pesticide Science / Nongyaoxue Xuebao is the property of Chinese Journal of Pesticide Science and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Drainage & Irrigation Machinery Engineering / Paiguan Jixie Gongcheng Xuebao is the property of Editorial Department of Drainage & Irrigation Machinery Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Irrigation & Drainage is the property of Journal of Irrigation & Drainage Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Clinical Hepatology / Linchuang Gandanbing Zazhi is the property of Journal of Clinical Hepatology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Aiming at the problem that the dynamic response performance of a special high quality combined cartridge valve for off shore hydraulic piling hammer needs to be optimized, the hydraulic resistance factors affecting the dynamic response characteristics of the combined cartridge valve were studied. Firstly, the structure of the hydraulic pile hammer and the working principle of the hydraulic system, and the hydraulic resistance position in the hydraulic system were introduced. Then, the hydraulic resistance theory was introduced, and the mechanism of the damping effect on the dynamic response of the combined cartridge valve was analyzed, and the opening motion equation of the cartridge valve spool was established. Finally, the simulation model of the combined cartridge valve was established. Taking the minimum dynamic response time of the combined cartridge valve as the optimization goal, the hydraulic resistance was parameterized by adjusting the damping hole size in the hydraulic bridge. The research results show that the influence of hydraulic resistance on the dynamic response of the combined cartridge valve is analyzed by simulation, and the optimal array of hydraulic resistance selection scheme of the cartridge valve is obtained. In the array of selection schemes, the response time of P valve, R valve and S valve can reach 0.12 s, 0.08 s and 0.07 s, respectively. It verifies the rationality of the selection of the initial value of the liquid resistance, and provides a theoretical basis for improving the dynamic response characteristics of the combined cartridge valve. [ABSTRACT FROM AUTHOR]

Copyright of Transactions of the Chinese Society of Agricultural Engineering is the property of Chinese Society of Agricultural Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Natural Resources / Ziran Ziyuan Xuebao is the property of Journal of Natural Resources and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Transactions of the Chinese Society of Agricultural Engineering is the property of Chinese Society of Agricultural Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Transactions of the Chinese Society of Agricultural Engineering is the property of Chinese Society of Agricultural Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

An accurate and rapid optimization of “production-living-ecological” space has been one of the most important steps to implement territorial spatial planning at all levels, particularly for the better rational development and protection of land. Taking the Jinzhong City, Shanxi Province of China as the research object, the status quo of “production-living-ecological” space was first identified to establish the Markov-FLUS model. The number and distribution of “production-living-ecological” space were also predicted for the study area in 2025. Then, seven resistance factors were selected to evaluate the suitability of land development using the MCR model, in order to determine the threshold and zoning. Among them, the towns and residential areas were taken as the source of construction expansion, and the most important area for ecological protection was the ecological source. At last, the prediction and evaluation of development suitability were spatially superimposed to optimize the “production-living-ecological” space, according to the compound partitions. Subsequently, specific control measures were proposed for each partition. The research showed that: 1) The accuracy of the Markov-FLUS model was 97.17%, compared with the actual data. Thus, the model was very feasible to simulate the spatial changes of “production-living-ecological” in the study area in 2018. There was also an increasing trend for the production and living space in the study area in 2025. Specifically, the production space increased significantly, with an increase of 813.53 km², whereas, the ecological space decreased by 892.65 km². 2) The land space was divided into five types of zones: ecological protection, ecological optimization, restricted development, optimized development, and suitable development, from the perspective of development suitability using the MCR model. The ecological optimization zone presented the largest area of 4 994 km², accounting for 30.59% of the total. Meanwhile, the suitable development zone behaved the smallest area of 1 546 km². 3) Seven types of space after optimization were then divided: production, ecological, living, production-living, production-ecological, living-ecological, and production-living-ecological space. The spatial distribution was characterized by “the overall agglomeration, the local scattered”, of which the ecological space area was the largest proportion, accounting for 41.20%. As such, a recommendation was proposed for the management and control strategies, according to the different space uses. Consequently, the Markov-FLUS-MCR coupling model can balance the Markov-FLUS and MCR models at the same time, indicating the demand quantity and the spatial changes of “production-living-ecological” space with high precision. Land spatial suitability can also be evaluated using an ecological process. The ecological security was integrated during optimization to fully consider the evolution process of the quantity scale and spatial distribution of the “production-living-ecological” space over time. The finding can greatly contribute to promoting the “production-living-ecological” space optimization, particularly for the scientific guidance to the rational development and protection of land space in Jinzhong City, Shanxi Province, China. [ABSTRACT FROM AUTHOR]

Copyright of Shipin Kexue/ Food Science is the property of Food Science Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Guangdong Agricultural Sciences is the property of South China Agricultural University, Guangdong Academy of Agricultural Sciences and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Carsologica Sinica is the property of Institute of Karst Geology, CAGS and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Chinese Journal of Pesticide Science / Nongyaoxue Xuebao is the property of Chinese Journal of Pesticide Science and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Chinese Journal of Pesticide Science / Nongyaoxue Xuebao is the property of Chinese Journal of Pesticide Science and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Salmonella pullorum phage Pu29 was comprehensively analyzed for its biological and genomic characteristics. A magnetic separation and enrichment technique for Salmonella was established using the phage Pu29 as a recognition element. The phage belonged to the genus Roufvirus and had an icosahedron head and an irreducible long tail. Pu29 had a wide host spectrum with an adsorption rate of 88.67% on host cells in 15 min, a latent period of 30 min, a rise period of 180 min, and a burst size of 115.74 PFU/cell. Meanwhile, Pu29 had good heat resistance (30–60 ℃) and pH tolerance (pH 4–11). Its genome was composed of 45 715 bp (GC content 46.08%) and 81 open reading frames (ORFs), including 18 ORFs with known functions that did not carry genes encoding toxicity or resistance factors. PhagePu29-MBs were prepared as a probe by coupling the phage with carboxylated nano-magnetic beads (MBs) through amide reaction. When 25 μg of the probe was incubated with Salmonella at 37 ℃ for 20 min, the highest capture rate of Salmonella of 83.93% and the lowest captured bacterial concentration of 45 CFU/mL were obtained. Transmission electron microscopy (TEM) was used to observe that PhagePu29-MBs could specifically capture Salmonella. In spiked samples, the highest capture rate of Salmonella separated and enriched by the probe reached 92.92%. The separation and enrichment process took approximately 30 min. Therefore, this study established a fast and highly specific magnetic separation method for Salmonella based on phage Pu29, which may lay the foundation for the development of a phage-based method for the rapid separation and enrichment of foodborne pathogens in food samples.

Copyright of Chinese Journal of Applied Ecology / Yingyong Shengtai Xuebao is the property of Chinese Journal of Applied Ecology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Xinyang Normal University Natural Science Edition is the property of Journal of Xinyang Normal University Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Agricultural Resources & Environment / Nongye Ziyuan yu Huanjing Xuebao is the property of Journal of Agricultural Resources & Environment Editorial Board and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Shenyang Agricultural University is the property of Journal of Shenyang Agricultural University Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Ecological Science is the property of Ecological Science Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Shanghai Land & Resources / Shanghai Guotu Ziyuan is the property of Editorial Board of Shanghai Land & Resources and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

[Abstract] Objective·To evaluate the current status of barriers to outpatient cardiac rehabilitation (CR) in patients with coronary heart disease (CHD) and analyze related factors. Methods·From October to December 2017, the inpatients or outpatients with CHD from seven tertiary general hospitals in Yangpu District, Hongkou District, Baoshan District and Songjiang District of Shanghai were selected as the research objects by convenient sampling method. The general information questionnaire, the Cardiac Rehabilitation Information Awareness Questionnaire (CRIAQ) and the Chinese/Mandarin Cardiac Rehabilitation Barriers Scale (CRBS-C/M) were used to investigate the awareness of CR information, the barriers to CR and related factors in the patients with CHD. Results·A total of 390 questionnaires were distributed, and 342 valid questionnaires were recovered, with an effective recovery rate of 87.7%. The average age of the CHD patients was (67.03±10.83) years old. Among them, 42 patients (12.3%) had heard of CR. The overall median score of CRBS-C/M was 3.10 (2.71, 3.43) points, and the median scores of five dimensions ranged from 3.00 to 3.50 points. The median score of external logistical factors was the highest, which was 3.50 (3.00, 4.00) points. The top three barriers were "distance" "severe weather" and "I did not know about cardiac rehabilitation", with 75.4% (258/342), 69.3% (237/ 342) and 67.8% (232/342) of the patients agreeing or strongly agreeing, respectively. The average score of CRIAQ was (46.48± 12.54) points. Multiple linear regression analysis showed that CRIAQ score (β=-0.242, P=0.000), whether diagnosed as unstable angina or not (β =0.194, P=0.000), gender (β =0.154, P=0.002) and whether participating in outpatient CR programs or not (β = -0.128, P=0.016) were the related factors of CR barriers in the patients with CHD (F=8.909, P=0.000), which explained 25.9% of the total variation. Conclusion·The CR barrier of the patients with CHD is in the upper middle level, and the biggest barrier factor is the external logistical factor. The top three reasons that patients think hindering their participation in CR are long distance, severe weather and not knowing about CR. The patients with high awareness of CR information, or participating in outpatient CR programs have a low level of CR barriers, while the patients with unstable angina pectoris or the female patients have a high level. [ABSTRACT FROM AUTHOR]

Copyright of Transactions of the Chinese Society of Agricultural Engineering is the property of Chinese Society of Agricultural Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Since the reform and opening-up, a series of laws and regulations on family education have been enacted. The legislation of family education in China has undergone five stages, vague interpretation, clear stipulation, systematic planning, specialization and socialization. This paper elaborates on the content of these laws and regulations, and systematically analyzes indispensable factors as well as resistance factors in the legislation process. On this basis, it gives suggestions on the enactment of family education law in China. Our stereotypical ideas must be changed by transferring family education from the private sphere to the public one. Based on our social conventions, we should make family education law with Chinese characteristics, targeting realistic problems in family life. More attention to the disadvantaged is needed to ensure the fairness of our family education law. [ABSTRACT FROM AUTHOR]

CO2 channeling occurred too early in the pilot test of CO2 flooding in Yaoyingtai oil field, which decreased its sweeping volume and production capacity. Low permeability fractured core models were generated by core cutting technique. Based on indoor experiments, the foam blocking ability and flooding performance were measured by core flooding experimental apparatus and EOR results of foam displacement following water and gas flooding were conducted. The mechanisms of different components in foam and EOR performance in low permeability fractured reservoirs were analyzed by numerical simulation. The results showed that foam could increase fluid flow resistance in the fracture, reduce liquid motility effectively and resistance factors were between 46 and 80; there was a foam apparent viscosity in the fracture that had an impact on the initial flow of foam. For the oil saturated fractured cores flooded by water and gas, oil recovery was increased by 26% and 35% respectively, and the mechanism of CO2 foam EOR in low permeability fractured reservoirs was the transverse pressure between facture and matrix. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Food Safety & Quality is the property of Journal of Food Safety & Quality Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective·To understand the current situation of outpatient cardiac rehabilitation participation of patients with coronary heart disease (CHD) in Shanghai and explore its influencing factors. Methods·From October to December 2017, by using the convenience sampling method, a cross-sectional study was conducted to obtain information of CHD patients who visited the cardiovascular outpatient departments from 7 tertiary hospitals in Shanghai, concerning sociodemographics, Chinese/Mandarin Cardiac Rehabilitation Barriers Scale (CRBS-C/M) and Cardiac Rehabilitation Information Awareness Questionnaire (CRIAQ). The viarate analysis and Spearman analysis were applied to correlation analysis and the structural equation model was applied to path analysis. Results·A total of 273 questionnaires were distributed and 234 valid questionnaires were collected with the effective rate of recovery at 85.7%. The average age of the respondents was (66.78±10.42) years. Only 17 (7.26%) patients self-reported that they participated in the outpatient cardiac rehabilitation at least once after discharge. There was no significant difference in participation rates in different sociodemographics. The Spearman correlation analysis demonstrated that cardiac rehabilitation information awareness, perceived cardiac rehabilitation barriers, and participation in outpatient cardiac rehabilitation were significantly correlated (all P=0.000). Path analysis showed that the cardiac rehabilitation information had a direct promoting effect on the behavior of participating in outpatient cardiac rehabilitation (β=0.384, P=0.000), and could also be partially mediated by cardiac rehabilitation barriers. Conclusion·Regarding the patients with CHD, the awareness of cardiac rehabilitation information can directly promote their participation in outpatient cardiac rehabilitation, and can also partially alleviate the adverse effect of perceived cardiac rehabilitation barriers. Health care providers should start with improving patients' cardiac rehabilitation information and adopt various forms of health education to improve their cardiac rehabilitation cognition and overcome perceived cardiac rehabilitation barriers. Ultimately, the participation in outpatient cardiac rehabilitation programs will be facilitated for patients with CHD. [ABSTRACT FROM AUTHOR]

Copyright of Chinese Journal of Pesticide Science / Nongyaoxue Xuebao is the property of Chinese Journal of Pesticide Science and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Background and objective It has been proven that biomarkers play a key role in the individualized treatment of lung cancer. Correlations between expressions of TUBB3/STMN1 and gene mutations of epidermal growth factor receptor (EGFR), Kirsten rat sarcoma viral oncogene homolog (KRAS), v-raf murine sarcoma viral oncogene homolog B (BRAF), phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3K) in non-small cell lung cancer (NSCLC) would be investigated and this may provide essential significance on prognosis and predictions of drug efficiency. Methods This study total enrolled 46 NSCLC patients. Tumor specimens were resected. The gene expressions of TUBB3, STMN1 were analyzed using branched DNA-liquidchip, and EGFR, KRAS, BRAF, PI3K gene mutations were detected by xTAG-liquidchip. Correlations between gene expressions and gene mutations were further analyzed by Spearman. Results Co-expressions between TUBB3 and STMN1 are strongly demonstrated, and high expression of TUBB3 always exists as well as high expression of STMN1 (P=0.006). Meanwhile mutation of EGFR E21 is negatively correlated with TUBB3, and wild type of EGFR E21 always exists together with high expression of TUBB3 (P=0.004,6), whereas mutation of KRAS E2 is positively associated with expression level of STMN1 (P=0.038,6). Conclusion Antimicrotubule drug resistance factors of TUBB3 and STMN1 may be related with mutations of EGFR signal pathway, suggesting that EGFR mutation and KRAS mutation may be important factors in regulation of TUBB3/ STMN1 expression, which provided basic references for chemotherapeutic resistance. [ABSTRACT FROM AUTHOR]

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Copyright of Chinese Journal of Pesticide Science / Nongyaoxue Xuebao is the property of Chinese Journal of Pesticide Science and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)