查询词典 chlorination

Chlorination tablet can is add to water to make it safe to drink.

将加氯消毒片放入水中可以使之安全。

Selecting chlorination of hydroxyl group in sucrose 6-acetate is a key in the process of making sucralose.

蔗糖-6-乙酸酯的选择性氯化是合成三氯蔗糖的关键步骤。

Are China's urban water supply and the mainstream of traditional disinfection methods, and more and more studies have shown that, in the face of heavier pollution, excessive use of chlorination methods will instead have a negative impact on water quality and safety.

是中国的城市供水和传统的消毒方法的主流，越来越多的研究表明，在重污染面前，过度使用氯化方法将改为对水质安全的负面影响。

This paper reports the IR spectroscopy of CPE synthetized by solid-phase chlorination process under different conditions.

本文研究在不同条件固相氯化聚乙烯的红外光谱，探讨了一步和两步氯化合成的CPE的结构差别，着重讨论了两步氯化的CPE结构特点。

Selecting chlorination of hydroxyl group in sucrose 6-acylates is a key in the process of making sucralose.

蔗糖-6-乙酸酯的选择性氯化是合成三氯蔗糖的关键步骤。

GC-MS shows that chlorophenol and chloroguaiacol are found in the spent liquors of the first two stage (chlorination and caustic extraction). After the mixed bleaching effluents are treated by white-rot fungus P.

GC-MS分析结果表明，苇浆CEH漂白的氯化段和碱抽提段废水中均含有氯代酚和氯代愈疮木酚，而次氯酸盐处理段废水中，没有检出氯化酚类化合物。

Chlorinated paraffin-52 was prepared by photochemical chlorination of hydrocracking tail oil with chorine,using H_2SO_4 as acid washing solution,bentonite as absorbent.

以加氢尾油、氯气为原料，浓硫酸为酸洗剂，白土为吸附剂，通过光氯化法合成了氯化石蜡-52。

To effectively enhance the contraposition selectivity of chlorinating reaction the p-chlorotoluene was prepared by direct chlorination of toluene and chlorine gas in the presence of zeolite catalyst.

为了有效提高甲苯氯化反应的对位选择性，研究了在分子筛催化作用下甲苯与氯气直接氯化制取对氯甲苯。

Under the microwave radiation, makes the catalyst with the potassium iodide,The sodium hydroxide makes the neutralization agent, synthesized the phenmethyl -2- naphthyl ether, take 2- naphthol and the chlorination animal pen as the raw material, Uses the single factor cut-and-try method, To a reactant mole of ratio, the catalyst and the solvent amount used, the microwave power, the radiation time and so on have conducted the research to the product receiving rate influence.

在微波辐射下，以2-萘酚和氯化苄为原料，用氢氧化钠作碱剂，碘化钾作催化剂，水-DMF为溶剂合成了苄基-2-萘基醚；采用单因素实验法，对反应物的摩尔比、催化剂及溶剂用量、微波功率、辐射时间等因素的影响进行了研究。

The chlorination products were extracted by ethyl ether and isolated further through times of silica column chromatography.

研究建立了饮用水中TCMCD富集分离、定性定量的分析方法，并对一些水厂的水样进行了检测，最高浓度可达80.1ng/L。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了