已经分化的组织分泌物称为抑素.Substances differentiated tissues secrete are called chalone.目的:在酿酒酵母中表达和分泌人血管抑素.To express and secrete human angiostatin in S . cerevisiae.目的 观察生长抑素十四肽 ( 施他宁 ) 对食管静脉曲张破裂出血的治疗效果.Aims : To evaluate the effe...
语音学是研究语言声音的.Phonetics deals with speech sounds.语音学是一门语音的科学.Phonetics is the science of sounds.我从图书馆借了一本语音学入门书.I borrowed from the library a primer of phonetics....
Hexadecyl octyl dimethyl ammonium bromide and hexadecyl decyl dimethyl ammonitim bromide were synthesized.合成了十六烷基辛基二甲基溴化铵和十六烷基癸基二甲基溴化铵两个新型杀生剂.In this paper the origin and development of octyl and decyl glycerate was intr...
This diode produces about nine times more radiant power than that one.这只二级管的耗散功率比那只大8倍.A diode used in this manner is called a rectifier.按这种方式使用的二极管叫做整流管.The diode is used routinely in many kinds of electronic circuits.二...