amount of substance

Preliminary study on general unit method in determining the amount of substance

广义单元法确定物质的量初探

Discussion on Amount of Substance and Extent of Reaction

物质的量和反应进度

Math skills may affect students ' solving ' amount of substance ' problems .

数学能力的高低会影响学生进行物质的量问题解决。

The Concepts and the Applications of Amount of Substance and Extent of Reaction

物质的量和反应进度的概念及应用

A Discussion about the Amount of Substance ( or Concentration ) Effect on Chemical Equilibrium

物质的量（或浓度）对化学平衡影响的讨论

" Amount of Substance " Teaching Design and Practical Research Based on " Structure-direction " Teaching Theory

基于结构一定向教学理论的物质的量的教学设计与实践研究

Dynamic changes in the amount of substance in wound tissue of scalded rats

烫伤大鼠创面组织中P物质含量的动态变化

Application of the Reaction Rule of Equivalent Amount of Substance into the Teaching of Analytical Chemistry

等物质的量反应规则在分析化学教学中的应用等物质的量反应规则和容量分析计算

Concentration for amount of substance in Analytical Chemistry

物质的量浓度与分析化学

On The Description of the Amount of Substance

关于物质的量的表述

It is often convenient to use the mole to describe the amount of substance .

用摩尔来表示物质的量通常是很方便的。

Abrogation of equivalent and rules of equal for amount of substance

当量的废除与等物质的量规则及应用

This is a paper which makes a study of cognition structure for amount of substance forming the classroom teaching design .

本文是一篇研究物质的量认知结构形成课堂教学设计的论文。

Derivation of Lambert-Beer law by amount of substance

引用物质的量概念推导光吸收定律

The Amount of Substance is regarded as the elementary quantity in the sciences of Physical Chemistry and Molecular Physics .

物质的量是物理化学和分子物理学的基本量。

Objective To study the dynamic changes in the amount of substance P ( SP ) in wound tissues of scalded rats .

目的观测神经肽P物质（SP）在不同深度烫伤大鼠创面中含量的动态变化。

The molecular weight of a substance expressed in grams ; the basic unit of amount of substance adopted under the System International d'Unites .

用克来表示一种物质的分子量；国际单位制所采用的基本物质的量的单位。

Since most paints contain inflammable organic solvent , and some of paints also contain a small amount of substance of harmful to health .

大多数涂料都含有可燃性有机溶剂，部份涂料还含有少量有害健康的物质。

Proposals Concerning the Modifications of " Amount of Substance ", " mol " and the Definition and Symbol of Avogadro Constant

关于修改物质的量、摩尔及阿伏伽德罗常数的定义和符号的建议

A ratio of the amount of substance of K0H / Mn02 about 45 ;

碱锰的物质的量的比为45；

The effects of reaction temperature , ratio of amount of substance , polyurethane prepolymers on rate of blocking reaction of ethylene glycol monoalkyl ethers were studied .

本文讨论了反应温度，物质的量比和聚氨酯预聚体对乙二醇单烷基醚的封闭反应速度的影响。

An Introduction to Equimolecular Reaction Mechanism and the Method of Volumetric Analysis The necessity of abandoning normality and the advantage of using amount of substance concentration have been discussed .

讨论了废除当量浓度，采用物质的量浓度的优越性。对所谓等物质的量反应规则及其计算公式进行了剖析，说明其不宜作为滴定分析计算的依据。

The copolymerization method has the best results as the solid content is 20 % , urea formaldehyde content is 60 % , the amount of substance ratio between formaldehyde and urea is 1.5 .

共聚改性的最佳配方是固含量20%、脲醛含量60%、甲醛脲素的物质的量的比值为1.5。

With the benefit of XRD , the influences of the ratio of the amount of substance of potassium and niobium , reaction temperature and time on the crystal phase and granularity were analyzed .

借助XRD分析了钾铌物质的量比、反应温度和反应时间对晶相和粒度的影响；

In this paper some formulas to calculate the mass percentage of all sort of compound in and rock salt and mirabilite were created on the reaction rule of equal amount of substance .

本文以等物质的量的反应规则建立了岩盐、芒硝中各种化合物的质量分数的计算公式。

So students in the process of amount of substance thematic learning an error what is the cause of the problem solving ? How to solve the high student in the amount of material project learning problem solving wrong ?

那么学生在物质的量专题学习过程中解题出错的原因到底是什么？如何减少学生在物质的量专题知识习题解题出错？这是本文要重点研究的问题。

In this paper , abrogation of equivalent and its causing dimension have been reviewed clso , rules of equal for amount of substance and its use in analytical chemistry have been studied .

本文对当量及其导出量的废除，等物质的量规则及其在分析化学中的应用作了研究评述。

The yield of the ester could reached 42.6 % under amount of substance ratio of acetic acid , ethyl alcohol and ferric sulfate were 1 ︰ 2.5 ︰ 0.025 , refluxing for 1 h.

乙酸、乙醇和硫酸铁的恰当摩尔比为1∶2.5∶0.025，回流反应1h，产品收率达42.6%。

The yield of the ester could reach 93 % under amount of substance ratio of benzoic acid , ethyl alcohol and sodium bisulfate were 1 ∶ 8 ∶ 0.86 , time of refluxing was 8h .

当苯甲酸、乙醇和硫酸氢钠的质量配比为1∶8∶086，回流8h时，酯收率达93%。

The yield of the ester could reached 97.9 % under amount of substance ratio of p-hydroxy benzoic acid 、 n-butyl alcohol and amino sulfonic acid were 1:4:0.41 , refluxing and water segregation for 3h .

当对羟基苯甲酸、正丁醇和氨基磺酸的物质量比为1：4：0.41，回流分水3h，酯收率达97.9%。