氢氧化钠

The elution results showed that there would be a definite effect after the fiber was treated by sodium cyanide after elution by sulphuric acid and ammonia, then with sodium nitrate.

铁的解吸探索实验发现，用第一步硫酸解吸回收氰化氢的氢氧化钠溶液处理第二步氨水解吸后的纤维，然后用硝酸钠解吸，有一定的效果。

Results The major occupational hazards in the expansion project were sulfuric acid, hydrochloric acid, ammonia, sodium hydroxide, cyanide, nickel and its compounds, formaldehyde, organic solvent and noise. Many protective measures would be carried out in this expansion projects.

结果该建设项目在生产过程中存在的主要职业病危害因素有硫酸、盐酸、氨、氢氧化钠、氰化物、镍及其化合物、甲醛、有机溶剂、噪声等，根据有关规定企业拟采取相应的措施。

In the sodium hydroxide concentration, temperature 20 ~ 25 ℃ to obtain a higher yield, and reaction conditions and mechanism are discussed

在氢氧化钠浓度0.3%，温度20~25℃时获得了较高产率，并对其反应条件及机理进行了讨论。

For example , if improved moisture adsorption is sought, the sodium hydroxide concentration is kept low.

例如，如果希望改善吸湿性，氢氧化钠溶液的浓度应较低

An approach to the relationship between free sodium hydroxide in boiler water and its conductivityhas been made.

对炉水中游离氢氧化钠浓度与电导率和pH值的关系进行探讨。

It is possible to produce high purity magnesium by treating the solution with sodium hydroxide solution.

由氢氧化钠和氯化镁反应经水热法制得的高纯(＞99%)氢氧化镁是镁资源利用的一条可行之路。

Hydrogen peroxide and sodium hydroxide was used respectively to degrad goat wool in different conditions.

研究了氢氧化钠和双氧水对羊毛的降解作用，得到了羊毛降解的合适条件。

Add the sodium hydroxide and indicator to the bubble solution.

添加氢氧化钠和指标的泡沫液。

By agents of chemical products have beads granular sodium hydroxide, potassium hydroxide, ferric chloride massive six water, copper sulfate, sodium metasilicate; thermoset plastic products have UF molding compound (commonly known as electric jade powder), and melamine-mode plastic.

所代理的化工产品有珠粒状氢氧化钠、氢氧化钾、块状六水氯化铁、硫酸铜、偏硅酸钠；热固性塑料产品有脲醛模塑料和蜜胺模塑料等。

Insoluble in water. Soluble in ammonia, sodium hydroxide solution, dilute nitric acid, sodium thiosulfate solution.

水中难溶。溶于氨水、氢氧化钠溶液，稀硝酸，硫代硫酸钠溶液。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。