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您的检索式:作者名="M.S.Qureshi"
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| 1 | 中国和印度的贸易扩张:威胁还是机遇?显示文摘本文探讨了中印之间以及中印与其它国家之间的贸易竞争性和互补性。研究结果表明:(1)印度在第三方市场,尤其在服装、纺织品和皮革制品等方面,面临来自中国的强烈竞争;(2)中印之间的贸易增长具有一定潜力;(3)中国在中等技术行业对东亚各国、美国和大多数欧洲国家构成挑战,而印度主要对周边的南亚国家构成威胁;(4)在贸易的互补性方面,中国和印度大幅上升的进口为美国、欧洲和东亚一些国家,尤其是日本、韩国、马来西亚、新加坡和泰国的出口提供了扩张的机会。同时我们发现中国的出口结构正在发生变化,技术密集型和高科技产品的出口份额在增加,这表明从长期来看,由中国劳动密集型产品出口带来的挑战将会削弱。本文探讨了中印之间以及中印与其它国家之间的贸易竞争性和互补性。研究结果表明:(1)印度在第三方市场,尤其在服装、纺织品和皮革制品等方面,面临来自中国的强烈竞争;(2)中印之间的贸易增长具有一定潜力;(3)中国在中等技术行业对东亚各国、美国和大多数欧洲国家构成挑战,而印度主要对周边的南亚国家构成威胁;(4)在贸易的互补性方面,中国和印度大幅上升的进口为美国、欧洲和东亚一些国家,尤其是日本、韩国、马来西亚、新加坡和泰国的出口提供了扩张的机会。同时我们发现中国的出口结构正在发生变化,技术密集型和高科技产品的出口份额在增加,这表明从长期来看,由中国劳动密集型产品出口带来的挑战将会削弱。 | 万广华 M.S.Qureshi 伏润民 | 2008 | 经济研究2008,43,4: | 41 |
| 2 | Study of low weight percentage filler on dielectric properties of MWCNT-epoxy nanocomposites显示文摘An attempt is made to study the effect of low weight percentage multiwall carbon nanotube(MWCNT)powder on dielectric properties of MWCNT reinforced epoxy composites.For that MWCNT(of different low weight percentage)reinforced epoxy composite was prepared by dispersing the MWCNT in resin.Samples were prepared by solution casting process and characterized for their dielectric properties such as dieletric constant(ε′),dielectric dissipation factor(tan δ)and AC conductivity(σ_(ac)).The main objective is the investigation of the dieletric properties of the prepared samples at the low weight percentage of the filler at different temperatures and frequencies.From the two mechanisms of electrical conduction,first the leakage current obtained by the formation of a percolation network in the matrix and the other by tunneling of electrons formed among conductors nearby(tunneling current);here we are getting conduction by the second mechanism.Generally,leakage current makes more contribution to conductivity than tunneling current.Dielectric dissipation factor at 250 Hz frequency is greater than all other frequencies and starts increasing from 60℃.The peak height of the transition temperature decreases with increasing frequency.This study shows that the addition of a low weight percentage of MWCNT can modify considerably the electrical behavior of epoxy nanocomposites without chemical functionalization of fller. | Manindra Trihotri U.K.Dwivedi M.M.Malik Fozia Haque Khan M.S.Qureshi | 2016 | Journal of Advanced Dielectrics2016,6,3: | 0 |
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