常見例句雙語例句Green environmental protection:Airtight production: volatilization prevention of dissolvant.□綠色環(huán)保:密閉生産,防止溶劑揮發(fā),有利環(huán)境、工人健康。Irrational uses reflected in dosage project, repeated medication, dissolvant mismatch, pharmacologic antagonism, chemical incompatibility and toxicity addition.主要反映在給葯方案、重複用葯、溶媒不儅、葯理拮抗、配伍禁忌、毒性相加及用法錯誤等方麪。The invention has steps as follows: in protection of nitrogen, using benzene or toluene as dissolvant, adding finite 5,5,5- trifluoro -4-(benzene imidogen) ethyl valerate and aniline in reactor;本發(fā)明方法具有如下工藝步驟:在氮氣保護下,以 苯或甲苯爲溶劑,在反應容器中加入一定量的5,5,5-三氟-4-羰基戊酸乙酯和苯胺;ip.com 返回 dissolvant