Non - basic nitrogen - containing series include pyrroles, indoles, carbazoles and benzcarbazoles.不含碱性氮的化合物包括吡咯 、 吲哚 、 咔唑和苯咔唑.Fig 3 Excitation and emission spectra of indoles and its derivative in DMSO.图3吲哚及其衍生物的DMSO溶液的激...
Her son, Jerome, was born in September.她儿子杰尔姆生于9月。Please stand and pledge the flag, after which Dr. Jerome Taylor will give the invocation.请起立对旗宣誓,之后杰尔姆·泰勒博士将做祈祷。After me there came Julius , Janis , JoAnn , Jerome, Jude,...
直至今天锗才毫无异议地成为地球上是纯净的物质.Until today germanium is the present substance on earth with no exception.除了硒和汽相沉积的锗和硅之外, 玻璃至少是二原子的.Apart from selenium and vapour - deposited germanium and silicon, glasses are at least diatomic.添...