dissolvant

基本解释

Green environmental protection:Airtight production: volatilization prevention of dissolvant.
□绿色环保：密闭生产，防止溶剂挥发，有利环境、工人健康。
Irrational uses reflected in dosage project, repeated medication, dissolvant mismatch, pharmacologic antagonism, chemical incompatibility and toxicity addition.
主要反映在给药方案、重复用药、溶媒不当、药理拮抗、配伍禁忌、毒性相加及用法错误等方面。
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;
本发明方法具有如下工艺步骤：在氮气保护下，以苯或甲苯为溶剂，在反应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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