dissolvant

常見例句

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；
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