12 results on '"Zhang, Fangwei"'
Search Results
2. Parameterized Soil Recognition Using Normal Similarity Measures on Dynamic Neutrosophic Cubic Sets.
- Author
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Zhang, Fangwei, Liu, Zhidan, Li, Haoqing, Ye, Jun, and Han, Bing
- Subjects
SIMILARITY (Physics) ,SOILS ,FUZZY sets ,GAUSSIAN distribution - Abstract
As a kind of newly proposed fuzzy set, dynamic neutrosophic cubic set (DNCS) has varying information on elements of truth, indeterminacy, and falsity in different time intervals, and has been widely used. Considering that normal distribution is the most widely used distribution in real world, this study proposes a kind of parameterized normal similarity measures (NSM) on DNCSs to depict the similarity characteristic between different elements in DNCS. Moreover, this study also proposes a kind of soil recognition model. The main innovation of this study is as follows. Firstly, this study presents NSMs on fuzzy sets, especially on DNCSs for the first time. Secondly, this study proposes a kind of hesitant neutrosophic cubic set with probability vector. Thirdly, a parameter in the proposed parameterized NSMs has ability to adjust weight indirectly and adaptively. Fourthly, this study introduces a soil recognition model using NSMs on DNCSs. After that, a soil recognition example illustrates the reliability of the proposed parameterized NSMs and the soil recognition model. [ABSTRACT FROM AUTHOR]
- Published
- 2022
- Full Text
- View/download PDF
3. Parameterized Soil Recognition Using Normal Similarity Measures on Dynamic Neutrosophic Cubic Sets
- Author
-
Zhang, Fangwei, Liu, Zhidan, Li, Haoqing, Ye, Jun, and Han, Bing
- Abstract
As a kind of newly proposed fuzzy set, dynamic neutrosophic cubic set (DNCS) has varying information on elements of truth, indeterminacy, and falsity in different time intervals, and has been widely used. Considering that normal distribution is the most widely used distribution in real world, this study proposes a kind of parameterized normal similarity measures (NSM) on DNCSs to depict the similarity characteristic between different elements in DNCS. Moreover, this study also proposes a kind of soil recognition model. The main innovation of this study is as follows. Firstly, this study presents NSMs on fuzzy sets, especially on DNCSs for the first time. Secondly, this study proposes a kind of hesitant neutrosophic cubic set with probability vector. Thirdly, a parameter in the proposed parameterized NSMs has ability to adjust weight indirectly and adaptively. Fourthly, this study introduces a soil recognition model using NSMs on DNCSs. After that, a soil recognition example illustrates the reliability of the proposed parameterized NSMs and the soil recognition model.
- Published
- 2022
- Full Text
- View/download PDF
4. Toward Wisdom-Evolutionary and Primitive-Concise 6G: A New Paradigm of Semantic Communication Networks
- Author
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Zhang, Ping, Xu, Wenjun, Gao, Hui, Niu, Kai, Xu, Xiaodong, Qin, Xiaoqi, Yuan, Caixia, Qin, Zhijin, Zhao, Haitao, Wei, Jibo, and Zhang, Fangwei
- Abstract
The sixth generation (6G) mobile networks will reshape the world by offering instant, efficient, and intelligent hyper-connectivity, as envisioned by the previously proposed Ubiquitous-X 6G networks. Such hyper-massive and global connectivity will introduce tremendous challenges into the operation and management of 6G networks, calling for revolutionary theories and technological innovations. To this end, we propose a new route to boost network capabilities toward a wisdom-evolutionary and primitive-concise network (WePCN) vision for the Ubiquitous-X 6G network. In particular, we aim to concretize the evolution path toward the WePCN by first conceiving a new semantic representation framework, namely semantic base, and then establishing an intelligent and efficient semantic communication (IE-SC) network architecture. In the IE-SC architecture, a semantic intelligence plane is employed to interconnect the semantic-empowered physical-bearing layer, network protocol layer, and application-intent layer via semantic information flows. The proposed architecture integrates artificial intelligence and network technologies to enable intelligent interactions among various communication objects in 6G. It features a lower bandwidth requirement, less redundancy, and more accurate intent identification. We also present a brief review of recent advances in semantic communications and highlight potential use cases, complemented by a range of open challenges for 6G.
- Published
- 2022
- Full Text
- View/download PDF
5. Clinical value of chorionic gonadotropin and progesterone combined with transvaginal ultrasound in the diagnosis of threatened abortion
- Author
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Zhang, Fangwei
- Abstract
The paper aimed to explore the clinical value of chorionic gonadotropin and progesterone combined with transvaginal ultrasound in the diagnosis of threatened abortion.
- Published
- 2024
- Full Text
- View/download PDF
6. Factor and trend analysis of total-loss marine casualty using a fuzzy matter element method.
- Author
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Chen, Jihong, Zhang, Fangwei, Yang, Chen, Zhang, Changjiang, and Luo, Lihua
- Abstract
World shipping activities are operated in a complex and risky environment. The global marine casualty governance and shipping safety problems are issues of common concern of all maritime countries. Total-loss marine casualties are the nightmares and the most serious shipping accidents to the world, which may cause huge economic losses, the loss of lives, and severe marine environmental pollution. This study develops a fuzzy matter element method to analyse the main contributing factors of world total-loss marine casualty, the evolution trend of the total losses caused by different contributors is also evaluated with the proposed models. In this paper, according to the practice of the world shipping industry, we firstly select ten main contributors of the world shipping total losses, and the evaluation framework and mathematical models are established based on fuzzy matter element theory. Then the paper introduces the detailed evaluation procedures and methods. Finally, we select the historical data of world total-loss marine casualty from 2001 to 2015 for an empirical study of the proposed models, verifying practicability and validity of the method introduced in this paper. The results of this study are beneficial to government departments and policy makers in proposing reasonable and effective strategy to control and prevent the total-loss marine casualty in world shipping industry. [ABSTRACT FROM AUTHOR]
- Published
- 2017
- Full Text
- View/download PDF
7. Commentary on “A new generalized improved score function of interval-valued intuitionistic fuzzy sets and applications in expert systems” [Appl. Soft Comput., 2016(38) 988–999].
- Author
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Zhang, Fangwei, Ge, Yingen, Garg, Harish, and Luo, Lihua
- Subjects
INTERVAL analysis ,FUZZY sets ,INTUITIONISTIC mathematics ,EXPERT systems ,ERROR analysis in mathematics - Abstract
This commentary points out the major mistakes in “a new generalized improved score function of interval-valued intuitionistic fuzzy sets and applications in expert systems”, which were initially proposed by Garg [Appl. Soft Comput., 2016(38) 988–999]. Firstly, some related basic mathematical symbols are introduced. Secondly, Garg's research results are reviewed. Subsequently, the errors of the generalized weighted averaging operators and the restrictiveness of the generalized score function proposed by Garg are discussed by using four counter-cases. Thereafter, the sources that lead to the errors of the operators and the restrictiveness of the score function are revealed. Finally, this commentary also points out some typo-grammatical errors in the commented paper. [ABSTRACT FROM AUTHOR]
- Published
- 2017
- Full Text
- View/download PDF
8. Graphene quantum dots enhance anticancer activity of cisplatin via increasing its cellular and nuclear uptake.
- Author
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Sui, Xin, Luo, Chao, Wang, Chong, Zhang, Fangwei, Zhang, Jingyan, and Guo, Shouwu
- Subjects
GRAPHENE oxide ,QUANTUM dots ,ANTINEOPLASTIC agents ,CISPLATIN ,CELL-mediated cytotoxicity - Abstract
Using assistant reagents to improve the pharmaceutical performance of cisplatin (CDDP) has been one of promising strategies. Owing to their extraordinary properties, graphene quantum dots (GQDs) have shown great potentials in biomedical applications. Here we demonstrate that the combination of GQDs with CDDP can effectively enhance the cytotoxicity, cell cycle arrest, and DNA fragmentation that induced by CDDP. We also found that the GQDs improved the interaction of CDDP with DNA. Combing these results with our previous finding that graphene oxide could enhance the permeability of the cells, we believe GQDs improve the pharmaceutical performance of CDDP via first increasing its cellular uptake through improving the cell permeability, and then reinforcing its interaction with DNA once it is inside cells. The remarkable enhancement to CDDP cellular uptake in CDDP resistant cells further specifies that GQDs can increase chemotherapy efficacy of anticancer drugs that are suboptimal due to the drug resistance. [ABSTRACT FROM AUTHOR]
- Published
- 2016
- Full Text
- View/download PDF
9. Effect of Lateral Size of Graphene Quantum Dots on Their Properties and Application
- Author
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Zhang, Fangwei, Liu, Fei, Wang, Chong, Xin, Xiaozhen, Liu, Jingyuan, Guo, Shouwu, and Zhang, Jingyan
- Abstract
Well-defined graphene quantum dots (GQDs) are crucial for their biological applications and the construction of nanoscaled optoelectronic and electronic devices. However, as-synthesized GQDs reported in many works assume a very wide lateral size distribution; thus, their apparent properties cannot truthfully reflect intrinsic properties of the well-defined GQDs, and more importantly, the applications of GQDs will be affected and limited as well. In this work, we demonstrated that different sized GQDs with a narrow size distribution could be obtained via gel electrophoresis of the crude GQDs prepared through a photo-Fenton reaction of graphene oxide (GO). It is illustrated that the photoluminesce (PL) emissions of the well-defined GQDs originated mainly from the peripheral carboxylic groups and conjugated carbon backbone planes through fluorescence and UV–vis spectroscopies. More importantly, our findings challenge the notion that the excitation wavelength dependent PL property of the as-synthesized GQDs is the intrinsic property of the size-defined GQDs. Preliminary data at the cellular level indicated that the small sized GQDs exhibit weaker quenching DNA dye ability but higher toxicity to the cells compared to that of the as-synthesized GQDs. This discovery is essential to explore applications of the GQDs in pharmaceutics and to understand the origin of the optoelectronic properties of GQDs.
- Published
- 2016
- Full Text
- View/download PDF
10. Neutrosophic Simulated Annealing Algorithm and Its Application in Operation Optimization in Dangerous Goods Warehouse
- Author
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Zhang, Fangwei, Chen, Zhenrui, Ye, Jun, and Han, Bing
- Abstract
In the classical simulated annealing algorithm (SAA), the iteration feasible solution is mainly based on a certain random probability. In the process of iteration, there is a lack of comparison between individuals and the whole population of feasible solutions, and the indicators to measure the change of state of individuals are too absolute to achieve the overall control of the algorithm. To deal with uncertain information that individuals encounter in iteration, this study introduces the idea of neutrosophic decision-making and establishes a kind of neutrosophic fuzzy set (NFS) to describe the time-varying iterative state of individuals according to the change of individual state, the change of population state, and the number of iteration. The biggest feature of this study is to propose a neutrosophic simulated annealing algorithm that combines the idea of NFS with simulated annealing. The biggest contribution of this study is to propose a novel entropy measurement method using the NFS and combine it with the simulated annealing algorithm to handle the optimization process. Finally, the effectiveness of the novel algorithm is verified by an example of warehouse optimization.
- Published
- 2022
- Full Text
- View/download PDF
11. MIMOA: A membrane-inspired multi-objective algorithm for green vehicle routing problem with stochastic demands.
- Author
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Niu, Yunyun, Zhang, Yongpeng, Cao, Zhiguang, Gao, Kaizhou, Xiao, Jianhua, Song, Wen, and Zhang, Fangwei
- Subjects
VEHICLE routing problem ,EVOLUTIONARY algorithms ,ALGORITHMS ,GREEN'S functions - Abstract
Nowadays, an increasing number of vehicle routing problem with stochastic demands (VRPSD) models have been studied to meet realistic needs in the field of logistics. In this paper, a bi-objective vehicle routing problem with stochastic demands (BO-VRPSD) was investigated, which aims to minimize total cost and customer dissatisfaction. Different from traditional vehicle routing problem (VRP) models, both the uncertainty in customer demands and the nature of multiple objectives make the problem more challenging. To cope with BO-VRPSD, a membrane-inspired multi-objective algorithm (MIMOA) was proposed, which is characterized by a parallel distributed framework with two operation subsystems and one control subsystem, respectively. In particular, the operation subsystems leverage a multi-objective evolutionary algorithm with clustering strategy to reduce the chance of inferior solutions. Meanwhile, the control subsystem exploits a guiding strategy as the communication rule to adjust the searching directions of the operation subsystems. Experimental results based on the ten 120-node instances with real geographic locations in Beijing show that, MIMOA is more superior in solving BO-VRPSD to other classical multi-objective evolutionary algorithms. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
12. Graphene Quantum Dots Downregulate Multiple Multidrug‐Resistant Genes via Interacting with Their C‐Rich Promoters
- Author
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Luo, Chao, Li, Yanfang, Guo, Lijuan, Zhang, Fangwei, Liu, Hui, Zhang, Jiali, Zheng, Jing, Zhang, Jingyan, and Guo, Shouwu
- Abstract
Multidrug resistance (MDR) is the major factor in the failure of many forms of chemotherapy, mostly due to the increased efflux of anticancer drugs that mediated by ATP‐binding cassette (ABC) transporters. Therefore, inhibiting ABC transporters is one of effective methods of overcoming MDR. However, high enrichment of ABC transporters in cells and their broad substrate spectra made to circumvent MDR are almost insurmountable by a single specific ABC transporter inhibitor. Here, this study demonstrates that graphene quantum dots (GQDs) could downregulate the expressions of P‐glycoprotein, multidrug resistance protein MRP1, and breast cancer resistance protein genes via interacting with C‐rich regions of their promoters. This is the first example that a single reagent could suppress multiple MDR genes, suggesting that it will be possible to target multiple ABC transporters simultaneously with a single reagent. The inhibitory ability of the GQDs to these drug‐resistant genes is validated further by reversing the doxorubicin resistance of MCF‐7/ADR cells. Notably, GQDs have superb chemical and physical properties, unique structure, low toxicity, and high biocompatibility; hence, their capability of inhibiting multiple drug‐resistant genes holds great potential in cancer therapy. Graphene quantum dots (GQDs)downregulate multiple multidrug‐resistant (MDR) genes via interacting with C‐rich regions of their promoters. The inhibitory ability of the GQDs to MDR genes is validated by reversing doxorubicin resistance of MCF‐7/ADR cells.
- Published
- 2017
- Full Text
- View/download PDF
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