查询词典 titration

The HPW/M-SiO2 catalyst is characterized by means of infrared-ray spectrum, X-ray diffraction and n-C4H9NH2 Potentiometric titration. The effects of amount of the catalyst, molar ratio of acid and alcohol, reaction temperature and reaction time on synthesis of methyl mandelate have been investigated.

运用IR， XRD和n-C4H9NH2电位滴定法测试技术表征HPW/M-SiO2催化剂，考察了催化剂用量、物料配比、反应温度和反应时间等对扁桃酸甲酯合成的影响。

Grafted PHB was characterized by means of chemical titration and 〓C NMR, and the results proved that MA group was successfully grafted onto the methine carbon of PHB chains.

采用对酸酐基团进行化学滴定和〓C NMR方法对接枝产物的接枝率和结构进行了表征。

Samples of lactide with melting point 127℃ were conducted a quantitative analysis test by using non aqueous titration with sodium methoxide and Karl Fischer method.

用甲醇钠非水滴定法、卡尔－费休法对熔点为127℃的丙交酯样品进行了定量分析试验，测出残存的乳酸和水的质量分数分别为0.09％和0.07％左右，回收率分别为98.64％～101.2％和98.74％～101.1％。

The titration of the sodium hydrogen carbonate content in medicinal sodium bicarbonate tablet was compared with microburette under syringe control made on our own with conventional burette.

药用小苏打片中NaHCO3的微型滴定分析杨左海（咸宁医学院化学教研室湖北437100关键词小苏打片碳酸氢钠微型滴定法常规滴定法中图分类号O655.22小苏打片为NaHCO3加淀粉等压制而成，用于碱化尿液及酸血症，也可用于胃酸过多。

Results: The contents determined with microtitration were 98.73% and that of regular titration was 98.71%.

结果：微型滴定和常规滴定分别测得马来酸氯苯那敏的含量为98.73％和98.71％，平行测定结果差异无统计学意义。

Results: The contents determined with microtitration were 98.73% and that of regular titration was 98.71%.

通过微型滴定和常规滴定对比，高氯酸冰醋酸（0.1 mol/L）为滴定液，结晶紫为指示剂，用非水滴定法测定马来酸氯苯那敏的含量。

Crystal violet was indicator. Results: The contents determined with microtitration were 98.73% and that of regular titration was 98.71%.

摘要］ 目的：研究利用自制微型滴定装置测定马来酸氯苯那敏含量的可行性。

Methods: Perchloric acid and glacial acetic acid were volumetric solution. Crystal violet was indicator. Results: The contents determined with microtitration were 98.73% and that of regular titration was 98.71%.

通过微型滴定和常规滴定对比，高氯酸冰醋酸（0.1 mol/L）为滴定液，结晶紫为指示剂，用非水滴定法测定马来酸氯苯那敏的含量。

Chloride EDTA displacement titration murexide chloride content determination

氯化物； EDTA ；置换滴定；紫脲酸铵；氯含量；测定

Content of (NH_4)_2C_2O_4 in the white muscardine silkworm is mensurated primely by oscilloscopic potentiometric titration, being independent of colour and turbidity.

白僵蛹与白僵蚕草酸铵含量的相似决定了它们疗效的相似，因此自僵蛹可以代替白僵蚕使用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。