In the epoxidation, chloroform and t butanol gave the best results.在环己烯环氧化反应中, 以氯仿和叔丁醇为溶剂时,环氧化反应的结果最好.The definilion of kauri - butanol value and its determination method is described.文章叙述了“溶剂汽油”一词的由来,K. B.值的定义及测定方法.The ...
Small lesions may exhibit no caseation, and no organism may be demonstrated.微小病灶可不出现干酪性坏死, 也查不到细菌.Small lesions may exhibit no caseation.微小病灶可不出现干酪性坏死.This is a caseation granuloma of tuberculosis in the adrenal gland.肺结...
介绍阻火器的分类、选型及安装.Introduces the categories of arresters and their type selection and installation.水泵选型时, 其水流量比主机水流量大15%至20%左右.Pump selection, the current host of water flow than 15 - 20 % or so.机电系统控制硬件的选型设计是一件非常繁复的工作.To s...