In order to better reveal the librarians’ image and solve the shortcomings of the investigation,this study introduced t......

Modeling height–diameter relationships is an important component in estimating and predicting forest development under ......

In this paper, a polymer spherical symmetry GRIN sphere lens were prepared by the suspension-diffusion-copolymerization(......

Classification of network traffic is the essential step for many network researches. However,with the rapid evolution of......

The designers for accelerating tube are presently designing linac tubes with the aid of electromagnetic field analysis s......

叙述了中国煤矿开采技术的现状,分析了中国煤矿开采技术中存在的不足,结合实际工作经验探析了煤矿开采技术在中国未来的发展前景。......

Affective filter hypothesis is one of Krashen’s five hypotheses on Second Language Acquisition (SLA), and it states tha......