A clean process for synthesizing fluobenzene with aniline was developed.
开发了以为原料的氟
清洁生产工艺。
A clean process for synthesizing fluobenzene with aniline was developed.
开发了以为原料的氟
清洁生产工艺。
Picoline is the by-product in the preparation of diphenylamine with aniline.
甲基吡啶是连续缩合合成二
的副产物。
Dichlorofluorobenzene is prepared by diazotizating of 2,4-dichloro aniline and substituting of 2,4-dichloro diazo benzene with fluorinion.
在此概述了由2,4-二氯经过重氮
、置换制得2,4-二氯氟
的生产新工艺,产品纯度达到99。
Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.
以、
硝基氯
为原料,采用
接缩合法引入相转移
合成
硝基二
。
N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.
用四乙基氯作相转移
可在常压下由
和溴乙烷合成N,N-二乙基
。
Metachromatic granules contain RNA and polyphosphates They are deeply stained with aniline dyes。They are characteristic features of the corynebacteria.
异染颗粒含RNA和多聚磷酸盐。用染料可浓染。是棒状杆菌的特点。
By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.
利用零价铁的还原性质,将难生物降解的有机物硝基先还原生成亚硝基
,然后再进一步还原成可生物降解的
。
On the basis of mechanism analysis and compare of CODCr degradation rate, parachlorophenol and aniline were found to be easier degraded by ferrate than nitrobenzene.
由机理分析和宏观CODCr降解率难易程度比较可知高铁酸根与对氯酚、
的反应比与硝基
的反应更加容易进行。
Sudan stains Any of various stains based on aniline dyes, and used to color fats and waxes, and hence cutinized (e.g. cuticle ) and suberized (e.g.Casparian strip) tissues.See staining.
以染料为基础配制而成的各种染料,用于使脂肪和蜡着色,因此可以染皮肤(例:表皮)和栓
组织(例:凯氏带)。
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