查询词典 aluminium hydroxide

It is found that the particle size may be controlled by modulating the quantities of nitric acid and ammonium hydroxide, the quantities of the residues carbonate ions are affected by the quantities of the citric acid and ethylene glycol.

通过调节硝酸和氨水的用量可以控制粉体的粒度，柠檬酸和乙二醇的用量影响产物中碳酸盐的含量。

Filter, wash the precipitate with dilute ammonium hydroxide and then dissolve in 5％ acetic acid to make 10 ml of solution.

分出氯仿液，加酸性乙醇，在520毫微米下比色，測定索拉索丁的含量。

It was found that high reclaiming cost was required for the process catalyzed by sulfuric acid or ammonium hydroxide, and the process of PET hydrolysis at high temperature showed profitable.

此外，以氢氧化铵或以硫酸催化程序中必须消耗多量硫酸，及产生石膏或硫酸铵废弃物，因而所需的操作费用较高。

Two methods for the determination of magnesium in rare earth-magnesium middle alloy by EDTA titrimetry, i. e. oxalic acid precipitation and ammonium hydroxide precipitation, were studied.

研究了分别采用草酸和氢氧化铵沉淀分离稀土镁中间合金中的稀土，EDTA络合滴定法快速测定电解稀土镁中间合金中镁的两种方法。

The reaction is then hydrolyzed by pouring it onto a mixture of crushed ice and ammonium chloride, containing some ammonium hydroxide.

然后将反应混合物倒进由碎冰和氯化铵组成的含少量氢氧化铵来进行水解。

Methods The plasma was alkalified by ammonium hydroxide, and fluconazole was extracted by acetic ether; and methyl parahydroxybenzoate was used as internal standard.

以对羟基苯甲酸甲酯为内标，血浆用氨水碱化后，用乙酸乙酯提取，测定血浆中氟康唑的浓度。

The mass concentrations of sodium hydroxide,cetyltrimethyl ammonium bromide,sodium citrate and glycerin in the aqueous stripper are 90～100 g·L-1,10 g·L-1,10 g·L-1 and 10 g·L-1,respectively.

该脱漆剂以氢氧化钠水溶液为主体系，其中氢氧化钠的质量浓度为90~100 g.L-1，溴化十六烷基三甲基胺的质量浓度为10 g.L-1，柠檬酸钠的质量浓度10 g.L-1，甘油的质量浓度为

Melamine is eluted from the SPE cartridge with 5% ammonium hydroxide / methanol, evaporated to dryness, reconstituted with internal standard and 50% acetonitrile / water, and analyzed by LC/MS/MS.

三聚氰胺使用5%的氢氧化铵/甲醇从SPE柱中洗脱，蒸发至干燥，用内标物与50%的乙腈/水重新配置成原来的浓度，通过LC/MS/MS分析。

The SPE-eluent was prepared just before use and consisted of a mixture of 2.5 ml 25% ammonium hydroxide, 2.5 ml 1.0 mg/ml methanolic ascorbic acid and 45 ml methanol.

SPE洗提液在用途之前准备了并且包括了2.5 ml 25%氢氧化铵， 2.5 ml 1.0 mg/ml methanolic抗坏血酸和45 ml混合物甲醇。

The anionic polymerization of octamethylcyclotetrasiloxane (D4) catalyzed by tetramethyl ammonium hydroxide in the presence of water under conditions of high temperature and oxygen-off was investigated.

以八甲基环四硅氧烷为单体，四甲基氢氧化铵为催化剂，微量水为链封端剂，进行有水条件下环硅氧烷阴离子开环聚合。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48