硫酸

A simple and sensitive kinetic-spectrophotometric method is described for the determination of titanium based on its catalytic effect on the oxidation of Wright's stain by potassium periodate in the medium of sulfuric acid.

基于硫酸介质中，Ti对KIO4氧化瑞士色素反应的催化作用建立了测定微量钛的动力学光度法新体系。

On the basis of catalytic action of iridium on the oxidation reaction of xylene cyanol FF by the potassium periodate in the medium of 0.02mol/L H2SO4 and heating at 95℃, a new catalytic kinetic spectrophotometry for the determination of iridium is established.

在0.02mol/L硫酸介质中及95℃的加热条件下，对高碘酸钾氧化二甲苯蓝FF的褪色反应具有显著催化作用，据此建立了催化动力学光度法测定痕量依的新方法。

The organochlorine pesticide were extracted with acetone and petroleum ether, and purified with sulfuric acid.

用丙酮提取样品中残留的有机氯农药，石油醚萃取，萃取液以浓硫酸净化。

Technical parameters for the separation and purification of phenazine from the waste and synthesis of phenazine methyl sulfate were studied.

研究了RT培司废料处理及提纯吩嗪的方法，以及吩嗪硫酸甲酯合成的优化工艺条件。

The humanization and specificity of chimeric antibody was identified by ELISA and Western bloting, and the tumoricidal activity of the expressed chimeric antibody was detected by tetrazolium salt phenazine methosulfate assay.

采用ELISA和Western bloting法鉴定抗体的人源性和抗体-抗原结合活性，四唑盐/吩嗪硫酸甲酯比色法检测抗体的生物学活性。

1 A mediator modified carbon glassy electrode (NMP-GC electrode) is made by immobilizing N-methyl phenazine sulfate as the mediator on the surfase of carbon glassy electrode, which successfully catalyzes the oxidation of NADH and reduce the over-potential of NADH almost 700mv.

采用N-甲基吩嗪硫酸酯作为氧化还原介体，制作了NMP修饰的玻碳电极，将该电极用于NADH的电催化，实现了NADH在NMP-GC上的可逆氧化还原，并且将NADH在电极上的过电位降低了700mv左右。

A kinetic spectrophotometric method for the determination of copper is established based on its catalytic effect on the oxidation of phenol red by hydrogen peroxide in H2SO4 medium.

发现在硫酸介质中，痕量铜催化过氧化氢氧化酚红褪色的指示反应，研究了催化褪色反应的最佳条件和动力学参数，建立了测定痕量铜的新方法。

In a system consisting of 20% PEG 400 and 12% magnesium sulfate, the partition coefficient of PGA was less than 0.01, PGA almost completely partitioned into the magnesium sulfate-rich bottom phase. Meanwhile, the partition coefficient of cephalexin was 6.7, the partition coefficients of phenylglycine methyl ester and 7-ADCA were 1.5 and 1.2, respectively.

通过考察头孢氨苄、苯甘氨酸甲酯和7-氨基脱乙酰氧基头孢烷酸(7-ADCA)在ATPS中的分配行为建立了一个含20%PEG 400和12%硫酸镁的ATPS，在此体系中头孢氨苄的分配系数为6.7，苯甘氨酸甲酯的分配系数为1.5，7-ADCA的分配系数为1.2，且青霉素酰化酶的分配系数小於0.01。

Objective: To evaluate the effects of ultra-violet irradiation in the treatment of chemotherapy-related phlebitis.

目的：比较紫外线照射和硫酸镁湿敷治疗化疗后急性静脉炎的疗效。

It can be use as an environment-friendly intermediate and starting material for organic synthesis substituting the poisonous phosgene and dimethyl sulfate in carbonylation and methylation reaction.

它可以代替剧毒的光气和硫酸二甲酯作为环境友好的有机合成中间体和起始物质，应用与羰基化和甲基化反应中。

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％。