查询词典 ion-pair

The color fading reaction of pyrocatechol violet with iodate ion in stronger acid was studied and a method for determination of iodine in the salt was proposed.

研究了在强酸性条件下，邻苯二酚紫与碘酸根离子的褪色反应，拟定了测定加碘食盐中碘离子简便、快速的分析方法，确定了该褪色反应的最佳褪色条件。

When high iodate potassium spectro-photometric method is used to carry on the determination to manganese concentration, calcium ion can be interferenced in the determination.

电解锰废水中，钙往往与锰共存，采用高碘酸钾分光光度法(GB/T 11906-1989)对锰浓度进行测定时，钙离子存在对锰测定的干扰较大，从而影响测定结果。

A novel ion chromatographic method has been developed for the simultaneous analysis of the inorganic anions (iodate, bromate, nitrite, bromide and nitrate) in their mixture.

本研究主要是发展出一种新的离子层析方法，针对无机阴离子之混合物(iodate、bromate、nitrite、bromide和nitrate)同时进行分析。

There is an additional advantage in using iodide ion in the developer; namely, increased stability of the process

在显影液中采用碘离子可增加本方法的标定性。

Objective To establish a method of ion chromatography for urine iodide determination and evaluate its application in epidemiological studies.

目的 建立离子色谱法测尿碘，以便能应用于流行病学调查研究。

This paper describes a method for measurement of the content of iodide in Pharmaceuticals with oxygen-flask combustion and ion-selective electrode.

介绍了采用氧瓶燃烧和离子选择性电极测定药物中碘含量的方法。

In this paper, ion chromatography was used to analyze iodide in edible salt.

研究了用离子色谱法，分析加碘食盐中的碘含量，碘的回收率在98.98%～99.53%之间。

Using Agilent 8453 ultraviolet-visible spectrophotometer, the affecting factors were studied on the kinetic processes in iodometry involved in the volatilization of iodine and the oxidation of iodide ion by dissolved oxygen, in particular such as the shape of the vessel, the volume of the solution tested, the concentration of KI and the temperature and the acidity of tested solution.

利用紫外－可见分光光度仪测量了I2挥发、I在酸性介质中被溶解氧氧化的动力学过程，着重研究了容器形状、溶液体积、KI浓度、温度等因素对I2挥发速率的影响以及溶液酸度与I氧化反应速率的关系。

Under the laser irradiation,the characteristics of the metal ion in the deposition processes are described in the paper.

文摘：介绍在镀液中，在激光光束作用下，金属离子沉积过程的一些特点，并对其原因进行了简单的探讨。

In chapter 2, we systematically introduced the theory and process of radio frequency magnetron sputtering and ion beam deposition sputtering.

第二章较为系统地介绍了溅射机理以及磁控溅射镀膜和离子束溅射镀膜机理和工艺特点，薄膜的沉积过程。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。