硫酸

There is a growing need in sulphuric acid plants to increase capacity of existing mist eliminator instal- lations without significant vessel modifications for minimizing overall cost.

越来越多的硫酸装置要求在不过多改动壳体的情况下提高除雾器的处理能力，以降低总费用。

This article compares with chromatographic peak shape of samples to determine the kind of polluted PCBs with potassium hydroxide and vitriol interferer.

本文通过氢氧化钾、浓硫酸破坏样品中可能的干扰物。再将样品色谱峰形进行比较。

Use of Sulfuric Acid may cause initial discoloration of interior tank wall surface due to oxidation.

盛装此浓度的硫酸时，刚开始时会使桶内壁氧化变色。

The influence of various factors on the efficiency of separation on ammonia nitrogen was investigated, including the surfactant dosage, the value of pH in the external phase, the concentration of sulfuric acid in the internal phase, the ratio between the volume of oil phase and the volume of water phase and so on.

用ME表面活性剂制作的乳液萃取冶金废水中的氨氮，考察了表面活性剂用量、外相水pH值、膜内相硫酸浓度、油内比、乳水比等因素对氨氮去除率的影响。

Tempbond mixed with barium sulfate was applied by a periodontal probe to the tip of the interproximal dental papillae and mucogingival junction. Periapical films using parallel technique were taken. The presence of interproximal dental papilla was determined on radiographs.

实验部位为上颚前牙右侧犬齿到左侧犬齿，实验使用Tempbond混合硫酸钡剂，以牙周探针涂在齿间乳突尖和黏膜牙龈交界(mucogingival junction， MGJ)，作为利量点，并以平行法照射根尖片X光。

Different doses of Chitosan were intraperitoneally injected into mice with sarcoma 180 and EAC cancer respectively for 10 days.

结果：硫酸壳聚糖高、低剂量组和氟尿嘧啶组的抑瘤率分别为38.67%、30.19%和43.27%，3组的生命延长率分别为65.38%、69.23%和54.93%。

In the medium of H_2SO_4 and catalyzed by potassium bromide, iodate can oxidize and decolorize methyl orange very well.

基于硫酸介质中，碘酸根在溴化钾的催化作用下对甲基橙有较好的氧化褪色作用。

Using a special experimental apparatus, referring to the iodometry, the optimal measuring condition of high DO, the optimal dose of alkaline potassium iodide and sulfuric acid are determined.

采用自制的实验装置，参照碘量滴定进了试验，确定了碱性碘化钾和硫酸试剂的最佳加入量和最佳测定条件。

An analytical method for the determination of streptomycin sulfate by reverse phase ion-pair chromatography was introduced in this paper.

本文提出了采用离子对反相液相色谱分离技术测定硫酸链霉素含量的方法。

Ammonium iron blue was prepared after the white slurry had been boiled at 100 ℃ for 1 h, added 50% sulfuric acid then boiled at 100℃ for 2 h, and oxidized at 70 ℃ for 3 h by 10% NaClO_3 solution.

将所得白浆在100℃下热煮1 h，加入质量分数为50%的硫酸溶液酸煮2 h，降温至70℃后加入质量分数为10%的氯酸钠溶液氧化3 h得到铁蓝。

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％。