查询词典 potassium

Qualitative and quantitative mensurations were done to the cationic surfactants with the methods of basic bromophenol blue and potassium ferricyanide.

通过对1227、1231、1631和FC-911四种季铵盐阳离子表面活性剂的定量分析，确定阳离子表面活性剂最佳的定量分析方法为铁氰化钾法，运用此法测得合成季铵盐的产率。

In this section, we study the reactions of both potassium ferricyanide and hexaammineruthenium chloride at a 4-aminobenzoic acid modified glassy carbon electrode by SECM in different pH solutions.

应用扫描电化学显微镜对4-氨基苯甲酸修饰的玻碳电极进行了电化学表征，研究了酸度对电极表面修饰的4-氨基苯甲酸解离形态的影响，及不同的荷电中介体在此修饰电极表面的电化学行为。

The electrode surface properties of different polymerization coils are characterized by cyclic voltammetry method and electrochemistry scanning microtechnique as potassium ferricyanide probe.

以铁氰化钾为探针采用循环伏安法和电化学扫描显微技术表征了不同聚合圈数的电极的表面性质。

Based on the enhancement by trans-resveratrol of the chemiluminescence from luminol-potassium ferricyanide system in alkalihe medium, an HPLC-CL method has been developed for the determination of trans-resveratrol in red wines.

基于反式白藜芦醇对luminol-K〓Fe〓体系的增强作用建立了直接测定葡萄酒中白藜芦醇含量的HPLC-CL分析法。

Several kinds of 4-arninopyrazolone derivatives were synthesized. The reactions between those derivatives and phenol under potassium ferricyanide were used to enrich and determine phenol by an online capillary tube coupled with flow injection system with our own design.

本文合成了几种4-氨基吡唑啉酮衍生物，比较了它们在铁氰化钾存在下与苯酚及其衍生物的反应，并利用这些反应生成的化合物於自行设计的流动注射分析系统，实现了总酚在线分离富集。

With potassium ferricyanide as electron transfer mediator,glucose oxidasewere immobilized on a screen-printed carbon electrode by direct absorption.

探讨了氧化酶固定化过程中氧化酶含量、铁氰化钾含量、缓冲液类型以及干燥过程对传感器保存稳定性的影响。

Potassium ferricyanide and dithiothreitol were used to control redox potential from －100 mV to －450 mV in 3 L fermenter.

在3 L发酵罐上利用铁氰化钾和二硫苏糖醇调节发酵体系氧化还原电位值在－100～－450 mV，结果表明－350 mV为菌体生长和产丁二酸的最佳电位，丁二酸生产速率由0.75 g/提高到1.18 g/，产物丁二酸与副产物乙酸的质量浓度比由2.5提高到3.9。

The results demonstrated that the OCP corresponding to ferricyanide, hydrogen peroxide and potassium dichromate could reach 0.72V, 0.33V and 1.13V respectively, which was observed to be lower...

结果表明，铁氰化钾、过氧化氢和重铬酸钾对应的开路电位分别为0·72V、0.33V和1.13V，均低于高锰酸钾的1.41V。

The four methods, air oxidation, DMSO/H_2O oxidation, potassium ferricyanide oxidation, Cu~(2+) oxidation and H_2O_2 oxidation, were used to promote the formation of disulfide bond in octreotide at different concentrations.

分别采用空气氧化法、铁氰化钾氧化法、DMSO氧化法、Cu~(2+)氧化法和双氧水氧化法对不同浓度的还原型奥曲肽进行了氧化实验。

Several kinds of 4-aminopyrazolone derivatives were synthesized. The reactions between those derivatives and phenol under potassium ferricyanide were used to enrich and determine phenol by an on-line capillary tube coupled with flow injection system with our own design.

文章摘要：本文合成了几种4-氨基吡唑啉酮衍生物，比较了它们在铁氰化钾存在下与苯酚及其衍生物的反应，并利用这些反应生成的化合物于自行设计的流动注射分析系统，实现了总酚在线分离富集。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷