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Antidumping case in the China's textile industry: A model building approach
Zhuo, Jun,Park, Yong H. Kyung Hee University Management Research Institute 2019 Asia pacific journal of business review Vol.3 No.2
Anti-dumping instruments among trading partners have been the subject of research by both academicians and practitioners. This study attempts to establish an early-warning model of anti-dumping against Chinese textile exporting companies, which have suffered from anti-dumping regulations and got arbitration awards. After reviewing theories of anti-dumping arbitration, early-warning and relationship marketing, the measuring items and relationship marketing model of Chinese textiles exporters are investigated. Empirical methods are selected based on early-warning theories of companies. Eighty percent of 156 valid questionnaires by surveys and interviews are used as training data via Binary-Logistic regression while the other twenty percent are validated in the model. As a result, a proper early-warning model has been established.
ZHUO QIAO,WEIWEI QIAO,Wing-Keung Wong 연세대학교 동서문제연구원 2011 Global economic review Vol.40 No.3
Many researchers have investigated the existence of day-of-the-week effects in different financial markets. However, they have usually adopted a parametric approach, which is known to have a few limitations. This paper adopts a non-parametric stochastic dominance (SD) approach to examine the day-of-the-week effects in Chinese stock markets. In contrast to the extensive evidence of day-of-the-week effects disclosed by a parametric mean-variance (MV) approach, our SD tests show that the day-of-the-week effect is much weaker. We find that there are only Wednesday effects in Chinese A-share and B-share stock markets.
Zhuo Chao,Yingying Yu,Fang Lei,Dongmei Hu 한국탄소학회 2021 Carbon Letters Vol.31 No.1
Lightweight and flexible electromagnetic interference (EMI) shielding materials are in great demand for wearable EMI device. In the present work, lightweight and flexible carbon nanotube (CNT)/ferroferric oxide ( Fe3O4) composite film was made through a feasible chemical vapor deposition process for CNT film synthesis, followed by a hydrothermal reduction process for Fe3O4 coating. In the as-prepared composite, CNT film and Fe3O4 particles work as conductive skeleton and strong magnetic particle, respectively. The as-prepared composite film shows a novel EMI shielding effectiveness (SE) of 91 dB in the X-band, a small thickness of 0.09 mm and a low density of 0.86 g/cm3, which is superior to most of the carbonbased EMI materials.
Zhuo Wang,Xiaoxv Gao,Wenfeng Li,Si Tan,Qiaoran Zheng 한국식품과학회 2020 Food Science and Biotechnology Vol.29 No.5
The aim of this study was to compare the phenoliccompound profiles and antioxidant capacities of eightvarieties of longan (Dimocarpus longan Lour.) planted inthe middle and upper Yangtze River area. The totalpolyphenols content (TPC) and total flavonoids content(TFC) of dried longan pulp ranged from 1.07 ± 0.05 to1.22 ± 0.05 mg gallic acid equivalents/g and 0.25 ± 0.07to 0.87 ± 0.14 mg rutin equivalents/g. UHPLC-QqQ-MS/MS analysis revealed 12 individual polyphenol compoundsin longan. The Fuwan8, Dongliang and FD97 varietiesshowed the strongest DPPH scavenging activity (IC50 of1.03 g/mL). The highest ABTS? scavenging activity wasfound in the Dongliang. In the enzyme assays, the Fuwan8and Dongliang varieties demonstrated maximum a-amylaseand a-glucosidase inhibition activities, with values of97.56 and 88.58%, respectively. The principal componentanalysis indicated that the Rongyu8 and Songfengbencultivars have nearly analogous polyphenol compounds.
Size-dependent torsional deformation of silicon nanowires
Zhuo, Xiao Ru,Beom, Hyeon Gyu Elsevier 2018 Materials letters Vol.213 No.-
<P><B>Abstract</B></P> <P>The effect of size on the torsional deformation of [1 1 0]-oriented silicon nanowires is examined via molecular dynamics simulations. The plastic deformation mechanism of silicon nanowires depends on the nanowire diameter. Sub-5.7-nm-diameter silicon nanowires yield by means of a crystal-to-amorphous transition, which nucleates at the outer surface and propagates along the cross-section of the wires. On the other hand, perfect dislocations nucleate at the outer surface of wires whose diameter equals or exceeds 7.7 nm, initiating plastic deformation. These dislocations have a Burgers vector of 1/2 〈1 1 0〉 and slip along the {1 1 1} planes. These findings may enhance our understanding of plasticity of silicon nanowires.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Torsional deformation of [1 1 0]-oriented silicon nanowires is size-dependent. </LI> <LI> Sub-5.7-nm-diameter silicon nanowires yield by a crystal-to-amorphous transition. </LI> <LI> Coaxial dislocations form in nanowires whose diameter equals or exceeds 7.7 nm. </LI> </UL> </P>
Protective Effects of Verapamil against H2O2-Induced Apoptosis in Human Lens Epithelial Cells
( Zhuo Wang ),( Dan Wang ),( Yan Li ),( Xiuli Zhang ) 한국응용약물학회 2014 Biomolecules & Therapeutics(구 응용약물학회지) Vol.22 No.6
Verapamil is used in the treatment of hypertension, angina pectoris, and atrial fibrillation. Recently, several studies have demonstrated that verapamil increased the optic nerve head blood flow and improved the retrobulbar circulation. All these show that verapamil is potentially useful for ophthalmic treatment. Thus, the aim of this study is to investigate whether verapamil could protect human lens epithelial cell (HLEC) from oxidative stress induced by H2O2 and the cellular mechanism underlying this protective function. The viability of HLEC was determined by the MTT assay and apoptotic cell death was analyzed by Hoechst 33258 staining. Moreover, Caspase-3 expression was detected by immunocytochemistry and flow cytometry analysis. We also detected Caspase-3 mRNA expression by reverse-transcription-polymerase chain reaction and the GSH content in cell culture. The results showed that oxidative stress produced significant cell apoptotic death and it was reduced by previous treatment with the verapamil. Verapamil was effective in reducing HLEC death mainly through reducing the expression level of apoptosis-related proteins, caspase-3, and increasing glutathione content. Therefore, it was suggested that verapamil was effective in reducing HLEC apoptosis induced by H2O2.
Cluster analysis of city-level carbon mitigation in South Korea
Zhuo Li(이탁) 한국컴퓨터정보학회 2023 韓國컴퓨터情報學會論文誌 Vol.28 No.7
최근 지구온난화로 인한 폭염, 태풍, 폭설 등 기후변화를 급증하고 있다. 미국 뉴욕에서 개최된 제 25차 기후변화 당사국총회(COP25)에 따른 세계 각국은 탄소중립 달성하기 위한 협상을 진행했다. 도시는 경제발전뿐만 아니라 탄소중립 과정에서도 중요한 역할을 수행한다. 본 연구는 이산화탄소와 관계되는 경제요인 및 환경요인을 고려하여 엘보우 규칙 (Elbow method) 과 K-means 군집 알고리즘을 활용하여 한국 63개 도시의 탄소배출 현황을 분석하였다. 연구결과에 따른 한국 도시는 기술집약 도시, 경공업 도시, 미래 혁신도시, 중공업 도시, 서비스 집약도시 및 농촌, 가정생산집약도시로 구분될 수 있고 향후 시도별 탄소중립 목표를 실천하기 위해 구체적인 제안을 제시하였다. The phenomenon of climate change is deteriorating which increased heatwaves, typhoons and heavy snowfalls in recent years. Followed by the 25th United nations framework convention on climate change(COP25), the world countries have achieved a consensus on achieving carbon neutrality. City plays a crucial role in achieving carbon mitigation as well as economic development. Considering economic and environmental factors, we selected 63 cities in South Korea to analyze carbon emission situation by Elbow method and K-means clustering algorithm. The results reflected that cities in South Korea can be categorized into 6 clusters, which are technology-intensive cities, light-manufacturing intensive cities, central-innovation intensive cities, heavy-manufacturing intensive cities, service-intensive cities, rural and household-intensive cities. Specific suggestions are provided to improve city-level carbon mitigation development.