Uren

常见例句

URen, Matthew N.Van Ert, James M.
来源：微生物临床杂志作者：Jana M.
Dit tv-station zendt 24 uren per dag muziek uit.
网站简介 : De Belgische afdeling van The Music Factory.
With the mole ratio of p - toluic acid and uren to be 1: 1 .6 and sectionalization heated - shielded,the product yield is 75.6% .
当对甲苯甲酸与尿素的摩尔比为1：1．6，采用分段保温的加热方式，产品收率达75．6%25。
Meantime, astronauts inside the station are working to replace a system desighed designed to recycle uren urine into water for use of verse aboard the station.
同时，空间站里面的宇航员将更换一套在空间站使用的，用来将尿循环为水的系统。
Under acidic condition,5-(P-hydroxyphenyl)hydantion was synthesized by the reaction of glyoxylic acid,phenol,uren and so on as a raw material,in the presence of methanol as catalyst.
以低碳醇(甲醇、乙醇)为催化剂,乙醛酸、苯酚、尿素等为原料,在酸性条件下一步法合成了5-对羟基苯乙内酰脲。