The effect of acidity on synthesis of phenylbiguanide additive reaction of aniline with dicyandiamide was studied.研究了酸度对苯胺与双氰胺加成反应生成苯基双胍的影响.Major Composite of thc SeaIant is bisphenol A epoxy resin, dicyandiamide, ureido...
OBJECTIVE To compare and identify Zaocys dhumnades and its adulterant Elaphe dione.目的比较鉴别乌梢蛇与白条锦蛇.Therefore, amylase isozyme electrophoresis can be used to detect the quality of honey and adulterant.所以, 可以通过淀粉酶同工酶电泳的方法来检...
Still, 32 percent of the pharmacies filled the prescriptions.但仍然有32%的药剂师配发了这两张药方.Chinese herbal pharmacies, and traditional massage therapists in the Vancouver telephone book.中药店, 和传统的按摩师在温哥华的电话簿里.OBJECTIVE : To discuss ...