Cyclohexanone diethyl acetal was prepared from cyclohexanone with anhydrous ethanol as reactant, ammonium chloride as catalyst, triethyl orthoformate as water scavenger.
其制备方法是以氯化铵为催化剂，原甲酸三乙酯为解水剂，由无水乙醇和环己酮缩合合成。
Objective To investigate the effects of low-dose ammonium chloride on learning and memory in mice.
目的观察小剂量氯化铵对小鼠学习记忆功能的影响。
The features of each disposal method is analyzed and considered, and the tandem technique of combing different methods to dispose of the high strength ammonium-chloride wastewater is carried out.
在综合考虑和分析各种处理工艺的优缺点的基础上，根据废水水质特点提出利用分级串联工艺处理高浓度氯化铵废水的方案。
Method:Different extracts were administered through a stomach tube to rats of different groups with renal calcium oxalate stones induced by ethylene glycol (EG) and ammonium chloride (AC).
方法：通过喂服泽泻提取物不同组分对乙二醇和氯化铵诱导的大白鼠肾草酸钙结石模型进行实验研究。
The dolomite is calcined to form the mixture of calcium oxide and magnesia, then the mixture is extracted by ammonium chloride solution and ammonium sulfate solution respectively.
通过对煅烧后的白云石中所含的氧化钙和氧化镁，分别采用氯化铵溶液和硫酸铵溶液进行浸提，使其中的钙、镁得到较好的分离。
The main varieties include urea, ammonium sulfate, ammonium nitrate, ammonium acid carbonate, ammonium chloride, ammonium lime and ammonia water.
主要品种有尿素和硫酸铵、硝酸铵、碳酸氢铵、氯化铵、石灰氨、氨水等。
The production of potash leads to producing lots of highly concentrated ammonium chloride wastewater, which will pollute the environment and waste useful resource if discharged directly.
碳酸钾生产过程中产生大量高浓度的氯化铵废水，直接排放污染环境，同时造成资源浪费。
Ammonium chloride is a better eluant, and L-leucine and L-valine can be separated successfully by gradient elution.
结果以氯化铵作洗脱剂进行梯度洗脱，成功的将l亮氨酸与l缬氨酸分离。
The process of the crystalline mother solution, ammonium paratungstate (APT) , through the macroporous strong-base resin D296, and the recovery of tungsten and ammonium chloride in it are studied.
本文研究了用大孔强碱性阴离子交换脂树D296处理仲钨酸铵（APT）结晶母液，回收其中钨及氯化铵。
The ammonium chloride is neutralized by vaporizing and thickening from mother liquors.
而吸附钼后剩下的母液蒸发、浓缩、结晶出氯化铵，可用作农用化肥。
Objective to observe the bactericidal property and toxicity of 1210 skin disinfectant containing alkyl dimethyl benzyl ammonium chloride as the main bactericidal ingredient.
目的观察以正烷基二甲基苄基氯化铵为主要杀菌成分的1210皮肤消毒液的杀菌性能及毒性。
According to customers' requests of ammonium chloride on granularity, by studying, we invented blending, a new method of producting purified ammonium cloride with particular granularity.
根据用户对精铵粒度的要求，通过研究，发明了一种混合法生产特定粒度精铵的方法。
Gypsum, ammonium hydrogen carbonate and potassium chloride were used as raw materials in this research, to produce potassium sulfate, potassium ammonium chloride and calcium carbonate.
以石膏、碳酸氢铵和氯化钾为原料，生产硫酸钾、氯化铵钾和碳酸钙，原料综合利用充分，经济效益好。
The study of the method and the evolving on the purification of farming ammonium chloride have been summarized.
综述了农用氯化铵精制的研究进展和方法。
Sulfadiazine-polylactide, a tumor targeting drug carrier, was successfully synthesized by the phase transfer catalysis(PTC)with tetrabutyl ammonium chloride hydroxide as catalyst.
采用相转移催化法以四丁基氯化铵为催化剂合成了端基含磺胺嘧啶的聚乳酸，将肿瘤导向基团引入了可生物降解药物载体。
To treat tetramethyl ammonium chloride with H2SO4 in organic solvent, a precipitate is produced. A white crystallizing solid TMAHS is prepared after filtrating, washing and drying.
以H_2SO_4处理四甲基氯化铵的有机溶液，立即生成沉淀，经过滤、洗涤、干燥后，得到白色结晶状固体——TMAHS。
Using trimethylamine and epichlorohydrin as raw materials, an active intermediate, glycidyl trimethyl ammonium chloride (GTA), was synthesized at ambient temperature.
以环氧氯丙烷和三甲胺为原料，常温下合成活性中间体失水甘油基三甲基氯化铵(GTA)。
The extent of coprecipitation of copper with ferric hydroxide in the ammonium chloride-ammonia process has been studied.
用氢氧化铵及氯化铵以分离铜与铁，结果很好。
This article studies benzyl - triethyl ammonium chloride as catalyst of phase - transfer to prepare for phenyl acetate. Get the best operating condition and get the yield of 86%.
研究了以苄基三乙基氯化铵为相转移催化剂制备乙酸苄酯，得出了最佳操作条件，使反应收率达86%。
The synthesis conditions of acrylamide(AM) and dimethyl diallyl ammonium chloride(DMDAAC) copolymer are optimized.
首先优化了丙烯酰胺（AM）和二甲基二烯丙基氯化铵（DMDAAC）共聚物的合成条件。
Main Products: baking soda, industrial ammonium chloride, soda ash, caustic soda, potassium chloride, calcium chloride, copper sulfate, etc.
主要经营产品：小苏打，工业氯化铵，关节轴承纯碱，片碱，氯化钾，氯化钙，硫酸铜等。
The experimental process for recovery molybdenum and ammonium chloride from mother liquors of ammonium molybdate and ammonia leaching molybdic acid using HT adsorbents is presented.
介绍利用HT吸附剂从钼酸铵母液及氨浸钼渣酸分解母液中回收钼及氯化铵的实验过程。
The dimethyl diallyl ammonium chloride (DMDAAC) was synthesized by two steps based on selected optimum experimental conditions.
采用实验室最佳实验方案，利用二步法合成了二烯丙基二甲基氯化铵。
Under present process condition, the reuse of mother liquor from industrial ammonium chloride has a limitation that determined the cycle period of the reuse of mother liquor.
在现有工艺条件下，精制氯化铵母液循环使用必有其限度，以此决定母液循环使用的周期性，并推导出母液循环周期的定量表达式，为其污染控制和现场环境执法提供便利。
The tests on 2% octadecyl trimethyl ammonium chloride showed good result against the cabbage aphids.
绿清灵即2%十八烷基三甲基氯化铵可溶性粉剂，对蔬菜蚜虫具有较好的防治效果。
Suitable conditions of stripping palladium with ammonium chloride-(ammonia) solution are also studied.
也考察了氯化铵的氨水溶液反萃取钯的适宜条件。
Suitable conditions of stripping palladium with ammonium chloride-(ammonia) solution are also studied.
也考察了氯化铵的氨水溶液反萃取钯的适宜条件。
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