物质的量浓度

有关化学量的概念物质的量浓度；

Amount-of-substance concentration ofB & the concept on chemical equivalent ;

当Yb与Eu加入的物质的量浓度比为3：7时，光强达到最大值。

When the molar ratio of Yb to Eu was3:7 , luminescent intensity reached to the maximum .

物质的量浓度与分析化学

Concentration for amount of substance in Analytical Chemistry

考察了催化剂物质的量浓度、[Al]/[Cat]摩尔比、温度、聚合时间对聚合性能的影响。

The affection of catalyst concentration , molar ratio of [ Al ] / [ Cat ] , temperature and time on polymerization was studied in detail .

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。

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 .

文章以正确理解物质的量和浓度为前提，阐明等物质的量反应规则在容量分析计算中的运用。

In this article , we illustrate the application of equimolecular reaction mechanism in volumetric analysis after expanding on molecule and concentration correctly .

对溶液组成标度，如质量分数、体积分数、质量浓度、物质的量的浓度、体积比的正确表述也一一进行了介绍。

Some right expressions relating to solution composition , such as mass fraction , volume fraction , mass concentration , molarity and volume ratio were introduced .

物质的量（或浓度）对化学平衡影响的讨论

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

考察了原料油水分含量、醇油物质的量比、催化剂浓度、反应温度、反应时间等对转酯化反应的影响，以及水洗、酸洗、萃取、减压蒸馏等不同后处理方法对产品品质的影响。

The influence of water content , molar ratio of methanol to oil , concentration of alkaline catalyst , reaction temperature and time different reaction factors to transesterification , and methods such as water washing , acid washing , extraction and pressure reduced etc.