Based on the World Input-Output Database(WIOD), this paper conducts a forward-linkage decomposition of value-added in trade to estimate China's service value-added exports and its service sector's internationa...Based on the World Input-Output Database(WIOD), this paper conducts a forward-linkage decomposition of value-added in trade to estimate China's service value-added exports and its service sector's international competitiveness during 2000-2014. Result indicates that during the sample period, China's service exports measured by forward-linkage decomposition method accounted for around 35% in its total export. While the value of services exported directly through the service sector accounted for a falling share, the value of services exported through other sectors represented an increasing share. China ranks second in the world in terms of market share of service exports. However, the revealed comparative advantage(RCA) of China's service exports and export sophistication remains limited.展开更多
Based on the experimental data,it was clarified that the plastic strain ratio R-value is not equal to Hill's r-value for Ti sheet.From the non-quadratic orthotropic yield function pro- posed recently by the author...Based on the experimental data,it was clarified that the plastic strain ratio R-value is not equal to Hill's r-value for Ti sheet.From the non-quadratic orthotropic yield function pro- posed recently by the author,an optimal expression between yield stress and r-value for Ti sheet was developed on overall investigation.The suitable value of exponent in the function seems to be 6—8.Thus,an equation was suggested to estimate strength for the pressure vessel made of Ti sheet.展开更多
介绍了Ti0.76V0.24和Ti0.51V0.49两种合金及其氢化物的结构确定方法。研究了它们的吸氢性能,测得了吸氢的P C T曲线。该曲线分成两个主要区段:当H原子数与Ti V原子数之和的比值小于1 0时,为氢气的固溶区,并近似遵从Sievert(希乌尔)定律...介绍了Ti0.76V0.24和Ti0.51V0.49两种合金及其氢化物的结构确定方法。研究了它们的吸氢性能,测得了吸氢的P C T曲线。该曲线分成两个主要区段:当H原子数与Ti V原子数之和的比值小于1 0时,为氢气的固溶区,并近似遵从Sievert(希乌尔)定律;当该比值大于1 0后,有的曲线出现吸氢坪台区。分别计算了在固溶区和坪台区吸氢的热力学参数。展开更多
基金supported by the Key Projects of the National Social Science Foundation of China(NSSF)(Grant No.18VSJ056 and 14AZD058)Key Project of the Key Research Center for Humanities and Social Sciences of the Ministry of Education(Grant No.17JJD79001)
文摘Based on the World Input-Output Database(WIOD), this paper conducts a forward-linkage decomposition of value-added in trade to estimate China's service value-added exports and its service sector's international competitiveness during 2000-2014. Result indicates that during the sample period, China's service exports measured by forward-linkage decomposition method accounted for around 35% in its total export. While the value of services exported directly through the service sector accounted for a falling share, the value of services exported through other sectors represented an increasing share. China ranks second in the world in terms of market share of service exports. However, the revealed comparative advantage(RCA) of China's service exports and export sophistication remains limited.
文摘Based on the experimental data,it was clarified that the plastic strain ratio R-value is not equal to Hill's r-value for Ti sheet.From the non-quadratic orthotropic yield function pro- posed recently by the author,an optimal expression between yield stress and r-value for Ti sheet was developed on overall investigation.The suitable value of exponent in the function seems to be 6—8.Thus,an equation was suggested to estimate strength for the pressure vessel made of Ti sheet.