硫酸

Ml sulfuric acid and 1 ml acetone were added for a total volume of 6 ml.

1毫升1毫升硫酸、丙酮等内容进行了总额6毫升。

The resulting solution was cooled on an ice bath and 130 ml of concentrated hydrochloric acid was added drop wise.

将得到的溶液在冰水中冷却，并将130毫升浓硫酸逐滴滴入。

Key words: sulfuric acid; electrostatic mist precipitator; design parameter; performance experience

硫酸；电除雾器；设计参数；运行经验

Brown and chicken cartilage contains a large number of sulfuric acid osteoprotegerin, which is the elastic fibers of the most important element.

鸡皮及鸡的软骨中含大量的硫酸骨素，它是弹性纤维中最重要的成分。

All the pollution is not acid rain, i.e., sulphuric and nitric acid dissolved in precipitation .

酸雨为含有硫酸和硝酸的雨，它并不是造成污染的唯一原因。

The resultant precipitation —— acid rain is a dilute mixture of sulphuric acid and nitric acid.

由此产生的沉降物——酸雨是稀释后的硫酸和氮酸的混合物。

This archaic process of sulfuric acid making enjoys a history of more than 500 years up to now.

这种最老的制取硫酸的方法距今已有五百多年历史了。

Know to make two kind method of sulfuric acid, contact process and nitrification law.

了解制造硫酸的两种方法，接触法和硝化法。

The effects of concentration of sulfuric acid, temperature and time on acid leaching process were studied, and the regularity of these affecting factors was analyzed.

研究了酸浸过程中硫酸浓度、浸取温度、时间对铁浸出率的影响，分析了各个影响因素的规律性。

1 The scavenging effects of fucoidans on superoxide, hydroxyl radical and hypochlorous acid were studied by the method of chemiluminescence and Escherichia.coli.

发现低分子量的岩藻聚糖硫酸醋对LDL有很好的抑制作用，活性明显高于大分子的组份，而且硫酸根含t越高，抗氧化效果越好。

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％。