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氯化铵

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Chloro-2-hydroxypropyl trimethylammonium chloride was synthesized by using trimethylamine hydrochloride and epichlorohydrin as the raw materials and anhydrous as solvent.

以无水乙醇作溶剂、三甲胺盐酸盐和环氧氯丙烷为原料合成了3-氯-2-羟丙基三甲基氯化铵,探索出最佳合成条件为:n∶n为0.95∶1,反应温度为40~50℃,反应时间为30m in,所得产品质量分数大于98%,收率达90%。

The determination of zinc chloride and ammonium chloride in electrolyte of dry cells was stu died based on the principle of complexometric titration and acid alkali titration.

应用络合滴定和酸碱滴定的原理,对干电池电解液中氯化锌氯化铵的测定进行了探讨。

Taking acryl amide, dimethyldiallyl ammonium chloride, acrylic acid as the monomer, amphoteric polyacrylamide was prepared by solution copolymetization. The effect of reaction conditions on the molecular weight and flocculation performance of AMPAM was studied.

以丙烯酰胺、二甲基二烯丙基氯化铵、丙烯酸为单体,用溶液共聚法制备两性聚丙烯酰胺,研究了反应条件对两性聚丙烯酰胺分子量及絮凝性能的影响。

In this paper, with continuous cultivation simulating fermentations in different nutritional conditions, continuous cultivation of Alcaligenes faecalis with glucose and ammonium chloride as a sole limited substrate were carried out respectively, and kinetics and characteristics of continuous cultivation were investigated.

以葡萄糖、氯化铵分别为限制性底物,对粪产碱杆菌进行了连续培养,模拟了粪产碱杆菌在不同的营养条件下的发酵情况,并对连续培养特性和动力学性质进行了分析。

Synthesis and application of formaldehyde-free dye-fixing agent ENF;2. Chlorine-resistant reactive dye-fixing agent CRS was prepared by mixing polyamine CS and polymer CR synthesized by dimethyldiallyl-ammonium chloride and allylamine.

文章以二甲基二烯丙基氯化铵和烯丙基胺为原料合成聚合物CR,与胺类聚合物CS复配制备活性染料耐氯固色剂 CRS,用于棉活性染料染色布固色整理,研究其耐氯性能。

Using EDTA as titratant,murexide as indicator,sodium tartrate ammonium fluoride and sodium thiosulfate as masking agent, nickle concentration was determined in ammonic medium.

以EDTA为滴定剂,紫脲酸铵为指示剂,NH4F、酒石酸钾钠、Na2S2O3为掩蔽剂,在氨性介质中测定镍的浓度;在pH值为8.0的氨-氯化铵缓冲液中,采用滴定比色法测得钴的浓度。

To the most suitable nitrogen source for the growth of black spot disease of Araliaceae was the complete protein peptone which was stronger than comparison, glutanic acid, asparagine,alanin, potassium nitrate, nitrate of soda, ammonium sulfate, ammonia water, ammonium chloride.

对刺五加黑斑病菌最适合生长的氮源为完全蛋白胨强于对照,强于谷氨酸,强于天门冬酰胺,强于丙氨酸,强于硝酸钾,强于硝酸钠,强于硫酸铵,强于氨水,强于氯化铵

ResultsThe results show that the copolymerization of DMAEMA and DADMAC is an azeotropic compound.

结果 2-甲基丙烯酸二甲胺乙酯和二烯丙基二甲基氯化铵为共沸化合物。

By single factor experiment,experiment studied on the effect on the dosage of NaOH、CHPTMA、sodium chloroacetate 、temperature and time to reaction.

并通过单因素实验讨论了NaOH用量、氯乙酸钠用量、3-氯-2-羟丙基三甲基氯化铵用量、反应温度和反应时间等对合成反应的影响。

Determination of high-content Ammonia Chloride in the rare-earth wastewater where there is little suspended matter by conductometric and refractometric analysis is described.

阐述了折光率法与电导率法测定稀土废水中高浓度氯化铵的原理和方法。

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Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严,以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆,把帆卷起,系住。

Therefore, positively advances the interest rate marketability reform is one of current our country finance reform important tasks.

因此,积极推进利率市场化改革是当前我国金融改革的重要任务之一。