A improved process of p-amino-N,N-dimethylaniline applied caustic soda solution as materials was introduced.
阐述了采用液碱(苛性钠溶液)代替水生产对-N,N-甲苯胺的方法。
A improved process of p-amino-N,N-dimethylaniline applied caustic soda solution as materials was introduced.
阐述了采用液碱(苛性钠溶液)代替水生产对-N,N-甲苯胺的方法。
The method of strong aqua ammoniac induced cough,the method tracheal spiral line and phenolsulfonphthalein excretion test were used.
采用浓水诱咳法、酚红排泌法和气管螺旋条法研究镇咳、祛痰和平喘作用。
ATM is a white crystalline power,easily effloresce in air,Slightly soluble in water,Soluble in ammonia water and alkalies.
四钼酸铵为白色结晶性粉末,在空气易风化,微溶于水,溶于碱和水。
In the oral ammonia liquid group, secretion of histamine was reduced, and after regiving of gastrin and muscarine, the secretion of histamine remained in an inhibitory state.
口服水组鼠胃组胺分泌减少,再予胃泌素和毒草堿灌流,组胺分泌仍处于抑制状态。
Be like a trace still not take out, can twist a cotton cloth after the dip in Wenshui dry, inunction of on drop a few ammonia water, use glazing candle polish finally.
如痕迹仍未,将一块棉布在温水浸后拧干,滴上几滴水涂擦,最后使用上光蜡抛光。
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