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Asteraceae account for 10％of all flowering plant species,and 35％-40％of these are in five closely related tribes that total ......

随着循证理念在国内的广泛传播,系统评价/Meta分析已逐渐成为指导医疗决策的重要工具.然而,伴随系统评价/Meta分析发表量急剧增加,......

English teachers are commonly confronted with the dilemma in the EFL classroom. However, Ellis (2009) mentioned that les......

针对用于矿产资源深部开采的超深矿井提升装备,为保证多点提升、多层缠绕钢丝绳间的同步性,从提升机主轴装置卷筒结构角度,探讨钢......

本文把经济与人口、资源、环境视为一个系统,剖析了这一系统要素错位的种种表现和严重阻碍经济发展、人民生活质量提高和威胁人类......

Confluences play a major role in the dynamics of networks of natural and man-made open channels, and field measurements ......

<strong>Introduction: </strong><span style="font-family:Verdana;">Double discordance or corrected transposition of the g......

English teachers are commonly confronted with the dilemma in the EFL classroom.However,Ellis(2009)mentioned thatless att......

Aim: To elucidate clinical features in patients with type 2 diabetes with advanced retinopathy but without nephropathy. ......

For two-way contingency tables with ordered categories, the present paper gives a theorem that the independence model ho......