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Jiang Angyu(Angyu Jiang),Zong Wei(Wei Zong),Shi Qianfan(Qianfan Shi) 아시아사회과학학회 2022 Jornal of Asia Social Science Vol.9 No.1
Because of its greater biodiversity, ASEAN has long been a source and transit hub for transnational wildlife trafficking. Although several international and domestic wildlife enforcement mechanisms have been established, the scope and effectiveness of international legal cooperation and policy coordination between China and ASEAN remain limited. Governments have been hampered in their efforts to combat wildlife trafficking by the difficulties of investigation and prosecution in overseas jurisdictions and the maintenance of illicit supply chains by organized crime groups. This paper reviews the main trends of legal and illegal wildlife trade between China and ASEAN, explores the existing legal and policy frameworks of ASEAN countries and China, and discusses the effectiveness of cooperation between China and ASEAN countries by referring to the United Nations Convention against Transnational Organized Crime (UNTOC). Finally, put forward the legal cooperation between China and ASEAN countries in combating transnational illegal wildlife trafficking.
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A Study on the Diffusion of Mobile Payment Usage in China : Focusing on the Use Diffusion Model
Wei Wei Jiang,왕다운,최혜경 사단법인 미래융합기술연구학회 2021 아시아태평양융합연구교류논문지 Vol.7 No.9
Mobile payments have become a major payment method in China in a short period of time due to its convenience. This has gradually made the lives of Chinese consumers more mobile and improved their efficiency. In this regard, this study analyzed the current status of mobile payment usage in China based on the use diffusion model targeting 440 Chinese consumers. First, exploratory and confirmatory factor analysis was conducted to find out the influence and determinants of the spread of mobile payment use. As a result, it was classified into environmental creation, technology dependence, and technology anxiety. After that, the structural model was analyzed to verify the path hypothesis. As a result, environment creation and technical anxiety influenced the characteristics of mobile payment usage. And it was found that technology dependence, technology anxiety, and diversity among the characteristics of use had a significant effect on the diffusion outcome. In particular, technology anxiety has been shown to be an important factor that not only increases the spread and satisfaction of consumers, but also increases the intention to accept new technologies that will be introduced in the future. Therefore, research on consumer's technology anxiety is needed in the future, and this is expected to contribute to devising measures to increase consumer acceptance of technology.
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Protocols for Privacy-Preserving DBSCAN Clustering
XU Wei-jiang,HUANG Liu-sheng,LUO Yong-long,YAO Yi-fei,JING Wei-wei 보안공학연구지원센터 2007 International Journal of Security and Its Applicat Vol.1 No.1
Cooperative computation is one of the most important fields in computer science. In recent years, the development of networking increases the desirability of cooperative computation. But privacy concerns often prevent different parties from sharing their data. Secure multiparty computation techniques can dispel parties’ doubts about revealing privacy information in this situation. On the other hand, Data mining has been a popular research area for more than a decade. However, in many applications, the data are originally collected at different sites owned by different users. This paper considers the problem of privacy preserving DBSCAN clustering over vertically partitioned data based on some results of SMC. An efficient secure intersection protocol is first proposed. The security and complexity of the protocols are also analyzed. The results show that the protocols preserve the privacy of the data and the time complexity as well as the communication complexity is acceptable.
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Universal transport properties of a quantum dot system with a laterally-coupled Majorana zero mode
Wei-Jiang Gong,Ying Zhao,Zhen Gao,Shu-Feng Zhang 한국물리학회 2015 Current Applied Physics Vol.15 No.4
We present a comprehensive analysis about the transport properties of a quantum dot (QD) system with a side-coupled Majorana zero mode. Our calculation result shows that when the coupling manners between the two leads and QDs are identical, the local Andreev reflection and the interlead normal tunneling have the same magnitude at the zero-bias limit. Accordingly, the zero-bias conductance value is always equal to e2/2h, which is exactly one half of the resonant-tunneling conductance. This result is independent of the level number and the level distribution in the single-QD case, and in the coupled-QD case it is irrelevant to the geometry of the QD molecule. The universal transport property is a powerful evidence for the feasibility to detect the MBSs based on a QD circuit. This result also means that the QD condition is not a key factor to achieve the detection. On the other hand, if the decoupling phenomenon appears, the Majorana zero mode may play a trivial role in contributing to the conductance property.
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Wei Jiang,Jin-Feng Li,Zi-Yuan Li,Xiao-Yan Zhang,Fan-Long Jin,박수진 한국화학공학회 2021 Korean Journal of Chemical Engineering Vol.38 No.4
A novel phosphorous- and nitrogen-containing flame retardant, ditrimethylolpropane biphosphoramide diethyleneamine (DBD), was synthesized. Its chemical structure is characterized by Fourier-transform infrared spectroscopy and 1H nuclear magnetic resonance spectroscopy. The effect of DBD on the physical, mechanical, and antistatic properties, thermal stability, and flame retardancy of wool fabric was systematically investigated. Thermogravimetric analysis showed that the initial decomposition temperature of DBD was 165 oC and 243 oC under nitrogen and air atmosphere, respectively. Furthermore, after 30 washes, the treated wool fabric exhibited excellent wash durability and good antistatic properties. Vertical burning tests indicated that both the burning time and char length of the treated wool fabric were lower than those of the flame-retardant standard, leading to a B1 flame retardant rating for the treated wool fabric. Compared to untreated wool fabric, the limiting oxygen index value of treated wool fabric increased significantly from 25.7% to 34.7%.
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Wei-dong Wang,Li-hua Zhang,Jia-Yan Ni,Xiong-ying Jiang,Dong Chen,Yao-ting Chen,Hong-liang Sun,Jiang-hong Luo,Lin-feng Xu 대한영상의학회 2018 Korean Journal of Radiology Vol.19 No.4
Objective: To meta-analytically compare combined transarterial chemoembolization (TACE) plus radiofrequency ablation (RFA) and surgical resection (SR) for the treatment of hepatocellular carcinoma (HCC) within the Milan criteria. Materials and Methods: PubMed, Medline, Embase, and Cochrane Library were searched for studies comparing these two therapies that were published between January 2006 and August 2017. Overall survival rate (OS), recurrence-free survival rate (RFS), major complications and the average length of hospital stay were compared between these two therapies. Metaanalytic pooled odds ratio (OR) was calculated using TACE plus RFA as the base category. Results: Seven case-control studies and one randomized trial were identified. Meta-analytic results revealed that, compared with SR, TACE plus RFA had significantly higher 1-year OS (OR for survival = 0.50, p = 0.009) and lower major complications (OR = 1.88, p = 0.02) after therapy. Three studies reported on the length of hospital stay. The average length ± standard deviation reported in individual studies for SR and TACE plus RFA groups was 19.8 ± 8.4 days and 7.4 ± 2.2 days, respectively; 18.7 ± 4.9 days and 11.5 ± 6.9 days, respectively; and 16.6 ± 6.7 days and 8.5 ± 4.1 days, respectively (p < 0.0001 for all studies). Three or 5-year OS and 1-, 3-, or 5-year RFS did not significantly differ between the two therapies. Conclusion: Combined TACE plus RFA may be an alternative to SR for the treatment of patients with HCC within Milan the criteria. Non-randomized design in most of the original studies was a limitation.
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DNA Methylation Biomarkers for Nasopharyngeal Carcinoma: Diagnostic and Prognostic Tools
Jiang, Wei,Cai, Rui,Chen, Qiu-Qiu Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.18
Nasopharyngeal carcinoma (NPC) is a common tumor in southern China and south-eastern Asia. Effective strategies for the prevention or screening of NPC are limited. Exploring effective biomarkers for the early diagnosis and prognosis of NPC continues to be a rigorous challenge. Evidence is accumulating that DNA methylation alterations are involved in the initiation and progression of NPC. Over the past few decades, aberrant DNA methylation in single or multiple tumor suppressor genes (TSGs) in various biologic samples have been described in NPC, which potentially represents useful biomarkers. Recently, large-scale DNA methylation analysis by genome-wide methylation platform provides a new way to identify candidate DNA methylated markers of NPC. This review summarizes the published research on the diagnostic and prognostic potential biomarkers of DNA methylation for NPC and discusses the current knowledge on DNA methylation as a biomarker for the early detection and monitoring of progression of NPC.
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Jiang Rifeng,Jiang Shaofan,Song Shiwei,Wei Xiaoqiang,Deng Kaiji,Zhang Zhongshuai,Xue Yunjing 대한영상의학회 2021 Korean Journal of Radiology Vol.22 No.5
Objective: To evaluate the application of laplacian-regularized mean apparent propagator (MAPL)-MRI to brain glioma-induced corticospinal tract (CST) injury. Materials and Methods: This study included 20 patients with glioma adjacent to the CST pathway who had undergone structural and diffusion MRI. The entire CSTs of the affected and healthy sides were reconstructed, and the peritumoral CSTs were manually segmented. The morphological characteristics of the CST (track number, average length, volume, displacement of the affected CST) were examined and the diffusion parameter values, including fractional anisotropy (FA), mean diffusivity (MD), axial diffusivity (AD), radial diffusivity (RD), mean squared displacement (MSD), q-space inverse variance (QIV), returnto- origin probability (RTOP), return-to-axis probabilities (RTAP), and return-to-plane probabilities (RTPP) along the entire and peritumoral CSTs, were calculated. The entire and peritumoral CST characteristics of the affected and healthy sides as well as those relative CST characteristics of the patients with motor weakness and normal motor function were compared. Results: The track number, volume, MD, RD, MSD, QIV, RTAP, RTOP, and RTPP of the entire and peritumoral CSTs changed significantly for the affected side, whereas the AD and FA changed significantly only in the peritumoral CST (p < 0.05). In patients with motor weakness, the relative MSD of the entire CST, QIV of the entire and peritumoral CSTs, and the AD, MD, RD of the peritumoral CST were significantly higher, whereas the RTPP of the entire and peritumoral CSTs and the RTOP of the peritumoral CST were significantly lower than those in patients with normal motor function (p < 0.05 for all). In contrast, no significant changes were found in the CST morphological characteristics, FA, or RTAP (p > 0.05 for all). Conclusion: MAPL-MRI is an effective approach for evaluating microstructural changes after CST injury. Its sensitivity may improve when using the peritumoral CST features.
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