A clean process for synthesizing fluobenzene with aniline was developed.
开发了以苯为原料的氟苯清洁
产工艺。
A clean process for synthesizing fluobenzene with aniline was developed.
开发了以苯为原料的氟苯清洁
产工艺。
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2,4-二氯苯经过重氮化、置换制得2,4-二氯氟苯的
产新工艺,产品纯度达到99。
Metachromatic granules contain RNA and polyphosphates They are deeply stained with aniline dyes。They are characteristic features of the corynebacteria.
染颗粒含RNA和多聚磷酸盐。用苯
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,将难解的有机
硝基苯先还原
成亚硝基苯,然后再进一步还原成可
解的苯
。
N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.
用四乙基氯化作相转移催化剂可在常压下由苯
和溴乙烷合成N,N-二乙基苯
。
Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.
以苯、邻硝基氯苯为原料,采用直接缩合法引入相转移催化剂合成邻硝基二苯
。
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解率难易程度比较可知高铁酸根与对氯苯酚、苯
的反应比与硝基苯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.
苏丹染液:以苯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
肤(例:表
)和栓化组织(例:凯氏带)。
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