chloro

The chloro group on benzene was shown to lower the biodegradability. STUDY ON THE THERMOKINETICS FOR NUCLEOPHILIC SUBSTITUTION REACTIONS OF BENZOYL CHLORIDE

苯环上氯取代会降低化合物的生物可降解性苯甲酰氯亲核取代反应的热动力学研究

A sensitive chromogenic reagent , 2-( 4-chloro-2-phosphophenylazo )-7-( 2,4-dichlorophenylazo )-1,8-dihydroxy-3,6-naphthalene disulfonic acid ( abbreviation : DC-CPA ), has been used in the spectrophotometric determination of bismuth.

研究了 2- ( 4-氯 -2- 膦酸基苯偶氮 ) -7- ( 2, 4- 二氯苯偶氮 ) -1, 8-二羟基-3, 6- 萘二磺酸 ( DC -CPA ) 与铋的显色反应.

II the use of fragile paper materials, lift-chloro ben-Word raw materials, foam-value of raw materials, etc.

使用易碎纸材料 、 揭起显字原材料 、 泡沫 防 揭原材料等.

Studies of the Syntheses of 2,5 Dimethoxy 4 chloro N acetoacetyl Aniline and Relative Pigments

2,5-二甲氧基-4-氯-N-乙酰基乙酰苯胺及其颜料的合成研究

Study on Synthesis of 2-chloro-5-methyl Pyridine by BTC and Its Derivatives

固体光气合成2-氯-5-甲基吡啶工艺研究及其衍生物的合成

By chloroplatinic acid as the catalyst, four new 1,3-bis ( chloro-silyl)-propanes ( A) were synthesized from the addition of organo-sili-con hydrides to allyl-silicon compounds.

用氯铂酸为催化剂，由有机硅氢化物对烯丙基硅化合物加成，合成了四个新的1,3-双（氯硅基）丙烷（A）。

Synthesis of β-Chloro t-Butyl Carboxylic Acid Chloride through Continuous Liquid Phase Chloration

连续液相氯化法合成β-氯代特戊酰氯

Non-standardized molybdenum ore concentrates were processed by oxygen digesting, nitric acid decomposition and chloro-alkali decomposion processes resp.

本文着重研究氧压煮法、硝酸分解法和氯碱分解法处理同一非标准钼精矿。

Abstract: 2-Chloro-5-chloromethylpyridine is an importantintermediates of the pesticide and the pharmacology.

文摘: 2 - 氯 - 5 - 氯甲基吡啶是农药和医药的重要中间体.

Synthesis of n-butyl chloro acetateacid and n-butanol in the presence of stannic chloride pentahydrate was studied.

在五水四氯化锡存在下,由氯乙酸和正丁醇合成氯乙酸正丁酯.

Study of poly ( p-chloro-aniline) film chemically modified electrode as pH sensor

聚对氯苯胺修饰电极pH传感器的研究

Thermal Analysis of Thermotropic Liquid Crystal Chloro-aromatic Polyesters

热致液晶&聚芳酯液晶含氯聚芳酯的热分析

Abstract: 2-Chloro-5-chloromethylpyridine is an important intermediates of the pesticide and the pharmacology.

文摘: 2- 氯 -5- 氯甲基吡啶是农药和医药的重要中间体.

Firstly, a new functional monomer 5-chloro-sulfonyl isophthalic chloride ( CSIC) was prepared. The chemical structure of the monomer was proved by infrared spectroscopy ( IR) while the melt point and purity were determined by melting point apparatus and liquid chromatograph.

首先制备了功能单体5-氯磺酰异酞酰氯（CSIC），其结构由红外光谱（FT-IR）验证确定，熔点仪及液相色谱仪分别测定其熔点和纯度。

In order to study the biological effects of compound disinfectant of p-chloro-m-xylenol, quantitative germicidal test and animal experiment were used to observe its germicidal efficacy and toxicity.

为研究对氯间二甲苯酚复方消毒剂生物效应，采用定量杀菌试验和动物实验对其杀菌效果和毒性进行了观察。

This report studied the influence of a coupling agent on the flow behaviour of blends of chloro-polyether and chlorohydrin rubber in the molten state.

本文研究了偶联剂对氯化聚醚/氯醇橡胶共混物熔体基本流变行为的影响。

Batch chloration plant of synthesizing β-chloro t-butyl carboxylic acid chloride was improved by using continuous liquid phase method.

利用连续液相氯化法对一套间歇氯化法生产β-氯代特戊酰氯的装置进行改造。

Objectives To know the resistance of common nosocomial infection pathogens to P-chloro-m-xylenol ( PCMX ) .

目的了解常见医院感染病原菌对对氯间二甲苯酚的 抗力.

In this paper, DAR was synthesized by catalytic HDC and nitro reduction of 2-chloro-4,6-dinitroresorcinol over 10 wt.% Pd/ C catalyst.

本论文以2-氯-4,6-二硝基间苯二酚为原料，10wt.%Pd/C为催化剂一步加氢脱氯、硝基还原反应合成DAR。

Market at home and abroad, synthetic methods and application were described for p-chloro-phenylaldehyde .

介绍了对 氯苯 甲醛的国内外市场 、 合成方法及用途.

At present are 2-chloro ben-mode of destructible cover stealthily.

目前主要有2种形式可破坏显偷换盖.

This article introduced a method for preparing α-chloro-isobutylaldehyde , in order to explore a practical chloration of oxo-compound.

本文介绍了制备氯代异丁醛的方法, 其目的在于探索羰基化合物的一种实用的氯代方法.

Enantiomer Separation of 2 Chloro 1 Phenylethanol and 2 Bromo 1 Phenylethanol by Chiral High Performance Liquid Chromatography

2-F氯-1-苯基乙醇和2-溴-1-苯基乙醇对映体的高效液相色谱分离

Synthesis of kojic distearate from stearate acid, chloro-sulfoxide and kojic acid was studied.

介绍了以硬脂酸, 氯化亚砜,曲酸等为原料制备双硬脂酸曲酸酯的方法.

Chloro-benzenes have the intense carcinogenesis, tetratogenesis and mutagenesis, and may enter human body through food chain and are concentrated at there, thus endanger the human health. Similarly, benzidines are suspected to be carcinogenic to human beings.

氯代苯类化合物具有强烈的致癌、致畸和致突变作用，可通过食物链进入人体并富集从而危及人类健康；同时，联苯胺类化合物对人类有致癌嫌疑。

7-bromo-6-chloro-4 ( 3H)-quinazolinone is an important intermediate of anticoccidial drug halofuginone, which was prepared from nitrobenzene by bromination, reduction, condensation, cyclization and so on. The overall yield of the seven-step is 60%.

研究以硝基苯为起始原料，经过溴化、还原、缩合、环化等七步反应，合成了7-溴-6-氯-4（3H）-喹唑啉酮，总收率为60%。

As one of the main precursor of poly ( phenylene sulfide amide), 4 chloro N ( 4 ′ chlorophenyl) benzamide ( DCBA) of high purity was two step synthesized from 4 chlorobenzoic acid and 4 chloroaniline with good yield.

以对氯苯甲酸和对氯苯胺为主要原料，高产率获得了4－氯－N－（4′－氯亚苯基）苯甲酰胺（简称DCBA）。

OBJECTIVE: A facile synthesis of sodium salt of 5 chloro 3 ( 2 thenoyl) 2 oxindole 1 carboxyamide from common 4 chloroaniline is described.

目的：合成具抗炎活性的5氯3（2噻吩甲酰）1甲酰胺2羟基吲哚钠盐。

STUDY AND APPLICATION OF GF REINFORCED CHLORO OXIDE MG COMPOSITES.

Ti-Nb系复合氧化物的氧敏响应特性.

Tetrabromobisphenol A-di ( o-chloro benzyl ) ether is a novel efficient flame retardant.

四溴双酚A - 双 ( 邻氯苄基 ) 醚是一种新型高效阻燃剂.