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A Fiber Model Based on Secondary Development of ABAQUS for Elastic–Plastic Analysis
Yan-Li Shi,Hua-Wei Li,Wen-Da Wang,Chao Hou 한국강구조학회 2018 International Journal of Steel Structures Vol.18 No.5
With the aim to provide an effi cient platform for the elastic–plastic analysis of steel structures, reinforced concrete (RC) structures and steel–concrete composite structures, a program iFiberLUT based on the fi ber model was developed within the framework of ABAQUS. This program contains an ABAQUS Fiber Generator which can automatically divide the beam and column cross sections into fi ber sections, and a material library which includes several concrete and steel uniaxial material models. The range of applications of iFiberLUT is introduced and its feasibility is verifi ed through previously reported test data of individual structural members as well as planar steel frames, RC frames and composite frames subjected to various loadings. The simulation results indicate that the developed program is able to achieve high calculation accuracy and favorable convergence within a wide range of applications.
Shi-run Yan,Xin-kui Wang,Zhen-hua Li,Kang-nian Fan,Mao-qing Kang,Shao-yi Peng 한국화학공학회 2004 Korean Journal of Chemical Engineering Vol.21 No.2
A novel non-phosgene process for the synthesis of methyl N-phenyl carbamate (MPC) by a reaction of phenylurea with methanol was studied. The reaction between phenylurea and methanol was found to be a spontaneous reaction that took place in the absence of catalyst and gave MPC as the main product. Addition of a catalyst markedly influenced the reaction behavior. A basic catalyst greatly enhanced the yield of MPC, whereas an acidic catalyst promoted the formation of aniline and methyl carbamate. Moderate strength of basicity showed the best catalytic performance in the cases studied. The mechanism of reaction and catalyst functioning was discussed.
지각된 글로벌성/지역성의 선행요인과 구매가능성에 미치는 효과에 관한 연구
( Yan Shi ),김현순 ( Kim Hyun-soon ) 한국유통경영학회(구 한국유통정보학회) 2016 유통정보학회지 Vol.19 No.5
Purpose: In this study, we focuses on the relationship between antecedents factors (perceived hedonic value and perceived functional value) and consequences of perceived brand globalness(PBG)/perceived brand localness (PBL) in China. Research design, data, and methodology: This study theoretically analyzed relationship between functional/hedonic value and PBG/PBL and relationship between PBG/PBL and purchase intention. 695 sample data is collected in China to empirical test. For measurement model test, confirmatory factor analysis (CFA) and correlation analysis were conducted and to test hypotheses, OLS analysis is conducted using Process macro proposed by Preacher and Hayes (2008). Results: This study show that both functional value and hedonic value have positive effect on PBG/PBL. However, hedonic value affect PBG more strongly than functional value while functional value affect PBL more strongly than hedonic value. And PBG have more strong effects on purchase intention than PBL. Conclusions: The result show that hedonic value is more important to establish PBG and functional value is more important to establish PBL. Therefore managers need to reinforce functional or hedonic attributes of their brand in line with their positioning strategy. Global franchise brands are able to convince consumers more strongly of their global positioning through reinforcing attributes related to hedonic value, while local brands are able to convince consumers of their local positioning through reinforcing attributes related to functional value.
Yan Lan,Huan-Jun Lu,Xian Jiang,Li-Wei Li,Yan-Zhao Yang,Guang-Shi Jin,박주영,김민선,박병림,Yuan-Zhe Jin 대한약리학회 2015 The Korean Journal of Physiology & Pharmacology Vol.19 No.2
Input signals originating from baroreceptors and vestibular receptors are integrated in the rostralventrolateral medulla (RVLM) to maintain blood pressure during postural movement. The contributionof baroreceptors and vestibular receptors in the maintenance of blood pressure following hypotensionwere quantitatively analyzed by measuring phosphorylated extracellular regulated protein kinase(pERK) expression and glutamate release in the RVLM. The expression of pERK and glutamate releasein the RVLM were measured in conscious rats that had undergone bilateral labyrinthectomy (BL)and/or sinoaortic denervation (SAD) following hypotension induced by a sodium nitroprusside (SNP)infusion. The expression of pERK was significantly increased in the RVLM in the control groupfollowing SNP infusion, and expression peaked 10 min after SNP infusion. The number of pERKpositive neurons increased following SNP infusion in BL, SAD, and BL+SAD groups, although theincrease was smaller than seen in the control group. The SAD group showed a relatively higherreduction in pERK expression when compared with the BL group. The level of glutamate release wassignificantly increased in the RVLM in control, BL, SAD groups following SNP infusion, and thispeaked 10 min after SNP infusion. The SAD group showed a relatively higher reduction in glutamaterelease when compared with the BL group. These results suggest that the baroreceptors are morepowerful in pERK expression and glutamate release in the RVLM following hypotension than thevestibular receptors, but the vestibular receptors still have an important role in the RVLM.
Coordination between REDD + mechanism and legal system of China's forests
Yan Shi peng 원광대학교 법학연구소 2015 圓光法學 Vol.31 No.2
According to the Fourth Assessment Report of IPCC, deforestation accounts for 17.4 percent of global carbon emissions. The international community has become increasingly concerned about carbon emissions caused by forest degradation and deforestation, and REDD mechanism was also born in this context .On the basis of REDD mechanism, REDD + mechanism increased forest conservation, sustainable forest management and the content of forest carbon stocks, to make the mechanism apply in a more suitable space. As the most important measures to reduce emissions in post-Kyoto era forestry, REDD + mechanism has no more been questioned. China, as a developing country, is very fruitful in terms of forest protection. In order to ensure the implementation of REDD + mechanism in our country, we must integrate, improve and coordinate on the domestic legal system of forest to secure more funding of REDD + mechanism and ensure our initiative in the international climate negotiations.