氨水

The optimum process was as follows : solvent is 0.3% ammonia solution , ratio of solvent to solid ratio is 10:1 , vacuum-cavitated time is 15 minutes , GA extraction yeild is 2.0%, the crude extract is 30.3%, and in which the content of GA is 6.6%.

采用负压空化方法对超临界萃取后固形物中甘草酸的提取工艺进行了研究，并研究了甘草酸纯化的工艺，通过影响因素试验和正交试验得出最佳工艺条件为：0.3%的稀氨水为溶剂，液固比为10：1，负压空化提取15min，甘草酸提取率为2.0%，含量6.6%。

The method only relates to two raw materials of zinc chloride and ammonia, which can effectively avoid generating impurities in the complicated preparation process.

这种方法只涉及到氯化锌和氨水两种原料，可有效的避免在复杂的制备过程中产生的杂质生成物。

ZnO nanostructures were fabricated by a hydrothermal decomposition method of mixing appropriate quantities of ammonia (25%) and zinc chloride solution.

以氯化锌(ZnCl2)和25%浓度氨水(NH3H2O)为原料，采用水热法制备了ZnO纳米材料。

TiO2 powder was prepared from TiCl4 with addition of aqueous ammonia by changing Ti4 hydrogel into its corresponding alcogel followed by ethanol-thermal ,dryness and calcination.

用四氯化钛为原料，经氨水沉淀、水洗、无水乙醇洗涤得到Ti4醇凝胶，对Ti4醇凝胶进行乙醇热处理、干燥、焙烧制得了TiO2粉体。

Using five kinds of different alkalized conditions in the experiment, the result showed that alkalization by strong ammonia was the best condition and obtained the highest rate of alkaloids.

在实验中采用五种不同的磁化条件，结果证明以浓氨水进行碱化为最佳条件，生物减收率最高。

Under ordinary pressure, take ammonia water and chloroethanoic acid as materials, and add catalyst which is made by our own,we can get aminoacetic acid .

以氨水、氯乙酸为原料，自制催化剂，常压下合成氨基乙酸。

The effect of puring agricultural ammoniacal chloride with barium sulphide and ammoninacal liquor was compared.

比较了硫化钡及氨水对农用氯化铵的净化效果，结果表明，硫化钡的净化效果较好，制得的工业氯化铵，白色度较高，且生产成本较低。

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。

Comparing with the activity of NiO/γ-Al_2O_3, NiO/TiO_2, and NiO/CeO_2catalysts, NiO/CeO_2 showed the highest light-off conversions of NO and CO and lowesttemperature of total conversion. Three kind of CeO_2 prepared by homogeneousprecipitation, precipitation, and direct decomposition method wereused as the carrier of NiO. Through the activity comparison of NiO/CeO_2, NiO/CeO_2and NiO/CeO_2, CeO_2 optimized as the preferable carrier for active component at aspace velocity of 120 000h~(-1, the coversion of NO is 50％at 170℃over NiO/CeO_2catalyst, and the complete conversion of NO and CO occurred at 210℃.

由Al_2O_3、TiO_2、CeO_2负载的NiO催化剂在NO-CO反应中的活性比较得出：NiO／CeO_2催化剂具有最好催化活性；分别采用直接分解法、氨水沉淀法和均匀沉淀法制备了载体CeO_2、CeO_2、CeO_2，并比较了NiO／CeO_2、NiO／CeO_2、NiO／CeO_2的活性差异，得出了以尿素作为沉淀剂的均匀沉淀法制备的CeO_2负载的NiO活性最好空速为120 000 h~(-1的条件下，170℃时，NO的转化率为50％；210℃时，NO和CO的转化率均达到了100％。

The method is based on the cobalt catalyzing oxidation of bromocresol purple by hydrogen peroxide in the media of ammonia water using potassium chloride as an activator.

研究了在氨水溶液介质中，以氯化钾溶液为活化剂，痕量钴离子催化过氧化氢氧化溴甲酚紫褪色的指示反应，通过测量590 nm处溶液吸光度的改变，建立了催化动力学光度法测定痕量钴的新方法。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。