<正> 教学策略是教学设计的有机组成部分,是在特定教学情境中为完成教学目标和适应学生认知需要而制定的教学程序和措施。教学策略既有观念功能又有操作功能,
A simple, fast and reliable method was developed for the analysis ofjinggangmycin A (validamycin A) in commercial formulations. The running buffer used was acet
<正> 教学美是师生合作共同创造的结晶,而从老师的教来说,为了使教学能在“美”的氛围中进行,满足学生渴求美的需要,教师应该创设“审美场”,使语文固有的美的因素焕发出来。
Novel C-nucleosides of tiazofurin analogue (2-[2-(hydroxymethyl)-1,3-dioxolan-5-yl] 1,3-thiazole-4-carboxamide) and its thiol-substituted derivative (2-[2-(merc
1,1-Diphenyl-2, 2-dicyanoethylene reacts with 10-methyl-9, 10-dihydroacridine in deaerated acetonitrile under irradiation with λ>320nm to give the coupling pro
二四城是一座神秘的城堡,所有的数字都想去那里。可是城主脾气怪得很,要想进去,必须要4个数字一起,且与24有关,这可真是个难题。这天,两个0和2、4来到二四城城门口,它们按顺
<正> 一、学习创新,探索教师教育思想建设的新途径。 教师作为新一轮课程改革行动研究者,一定要建立与新课程理念相符的教育思想,这样才能产生与之相匹配的教育行为。在教育
Konjac glucomannan (KGM) was crosslinked with sodium tripolyphosphate (STPP) to synthesize hydrogels. The crosslinking reaction was confirmed by FT-IR. The resu