My Viewpoints about Teaching of Listening

In our first language we rarely have trouble in understanding listening.But,in a second language,it is difficult for us to deal with unfamiliar sounds,words and structures.It is even more difficult if we do not know the topic under discussion,or who is speaking to whom.     

关于图书馆开展未成年人教育的几点思考

论述了图书馆开展未成年人教育的必要性,探讨了图书馆开展未成年人教育的途径。     

苦荞AGPase编码基因FtAGPL和FtAGPS全基因组鉴定和表达分析

AGPase是植物淀粉合成的第一个限速酶,直接决定淀粉的合成速率和积累量,是由2个大亚基(AGPL)和2个小亚基(AGPS)构成的异源四聚体.研究从苦荞全基因组水平鉴定到4个AGPL编码基因(命名为FtAGPL1～4)和2个AGPS编码基因(命名为FtAGPS1～2).这6个基因编码蛋白质的长度在515～532个氨基酸...