Ⅰ Introduction With the development of economic globalization,business activities begin to take place in much wider are......

In the synthesis of l-phenyl-5-substituted amino-4-pyrazole N-alkyl amide,it was found for the first time that one of t......

In order to analyze the influence of configuration parameters on dynamic characteristics of machine tools in the working......

The expression levels of hypoxia-inducible factor 1alpha(HIF-1α) and HIF-2α in pancreatic cancer(PC) and their associa......

从中国历史上的民族融合整体情况来看,基本上是以经济文化较为发达的中原地区汉族接受、同化周边及外来的少数民族为主要形式进行......