查询词典 sulfuric

Concrete with the addition of ground blast furnace slag and limestone can improve the resistance of sulfuric attack effectively.

掺入磨细矿渣和石灰石粉对于混凝土抗酸侵蚀性能有较好的改善作用。

Methylmercury was extracted from the homogenized tissue with toluene in the presence of copper sulfate, sodium bromide and sulfuric acid

在存在硫酸铜、溴化钠和硫酸的情况下，用甲基从组织匀浆中萃取甲基汞。

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。

The aluminum foils were galvanostatically etched in an aqueous solution of hydrochloric acid, sulfuric acid, sodium dichromate and hydrofluoric acid.

发现硫酸的添加主要是改善了溶液的钝化性能，铬酸酐的添加则不仅改善了溶液的钝化性能，而且减轻了阴极极化。

The solution of sulfuric acid was added dropwise to the reaction vessel contained 1,3-dichloro-2-propanol, sodium dichromate and water.

将硫酸水溶液滴加到1，3-二氯-2-丙醇与重铬酸钠水溶液的混合物中，在温度23~27℃的条件下搅拌反应5 h，重铬酸钠∶1，3-二氯-2-丙醇=1∶2，此条件下收率为79.6%。

Mahkota Indonesia is a well-known manufacturing company which produces Sulfuric Acid, Aluminium Sulphate and Sodium Silicate in Indonesia.

mahkota印度尼西亚是一个著名的制造公司生产硫酸，硫酸铝和硅酸钠在印尼。

Acidic solutions of sulfuric acid, alkalescence franctional solation sodicity franctional with sodium hydroxide.

硷性溶液的酸度以硫酸的分数来表现，碱性溶液的碱度以氢氧化钠的分数来表现。

Calibration models were established by the spectral measurement of a set of hydrolyzed standard sugar solutions by treating with concentrated sulfuric acid and a chemometrical software.

其原理是基于样品中的糖经浓硫酸处理后生成有紫外吸收的糠醛和羟甲基糠醛，进行紫外波长吸收测定；通过化学计量学软件，根据一组已知糖浓度标准样品的多波长光谱和所对应组成浓度之间的数学关系，建立校正模型。

Animals with alkali and sulfuric acid. The result was a product called stearin.

文章第一句同时也是一个时间的分水岭，告诉我们19世纪蜡烛工业的变革是怎么样的。

Stearin is harder and burns longer than unrefined tallow. This breakthrough meant that it was possible to make tallow candles that would not produce the usual smoke and rancid odor.

在19世纪早期到中期，蜡烛处理工艺使用alkali和sulfuric acid来提炼tallow，提炼后的产品就是stearin，stearin比未经提炼的tallow坚硬而且燃烧得更久。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。