温度、压力和物质的量的单位相消。
The units of temperature, pressure, and amount of substance cancelled out.
温度、压力和物质的量的单位相消。
用摩尔来表示物质的量通常是很方便的。
It is often convenient to use the mole to describe the amount of substance.
同时这些图还会显示土壤里有机物质的量。
The images also will show the amount of organic material in the soil.
目的：研究马勃多糖的单糖组成及其物质的量之比。
Objective: To identify the components of polysaccharides from Calvatia gigantea and their molar ratio.
色层析分析谱图中的峰面积与样品中物质的量是成正比的。
Chromatogram is proportional to the amount of that substance in the sample.
听起来也许令人惊讶——宇宙中暗物质的量是明亮物质的50倍。
As surprising as it might seem, there is more than 50 times more dark matter than bright matter in the universe.
探讨了醇酸物质的量比、催化剂用量、反应时间等因素对酯收率的影响。
The influence of the molar ratio of n-amyl alcohol and acetic acid, the quantity of the catalyst, the reaction time etc on the ester yield was discussed.
正因如此，近年来物质的量概念教学的研究受到教育研究者们广泛的重视。
Thus, the teaching and learning of the concept 'amount of substance' receive a growing concern by researchers over recent decades.
研究了化合物的物性与其结构的关系；研究了反应物质的量比对反应的影响。
The relation between the physical properties of the compounds and their structures, and the effect of the reaction molar ratios to the reaction were studied.
考察了催化剂用量、釜残液与氯化苄的物质的量的比和反应时间对收率的影响。
The effects of catalyst amount, mole ratio of sodium benzoate and benzyl chloride, reaction time on the esterification rate were studied.
研究了催化剂用量、酸醇物质的量比以及反应时间等因素对产品酯化率的影响。
The influence such as molar ratio of salicylic acid to isobutyl alcohol, amount of catalyst, and reaction time on the yield of isobutyl salicylate were discussed.
通过对硫代卡巴肼的合成研究，确定水合肼与二硫化碳最佳的物质的量配比为3。
According to study of synthesis thiocarbohydrazide, confirmed the optimal ration of hydrazine hydrate to carbon disulfide is 3.
考察了催化剂用量、醇酸物质的量比、带水剂种类、反应时间等因素对收率的影响。
Many synthesis parameters were investigated such as amount of catalyst, reaction time, molar ratio of alcohol to acid and different water carriers.
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。
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.
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.
当二胺A与对苯二胺的物质的量比例为10∶0～5∶5时，所得聚合物溶解于强极性溶剂。
When the mass ratio of diamine A top -phenylenediamine reached 10 : 0 - 5 : 5, the resultant polymers were soluble in strong polar solvent.
方法考察硫酸镓用量、醇酸物质的量比、反应时间及催化剂重复使用次数等因素对收率的影响。
Methods the effects of amount of gallium sulfate, molar ratio of alcohol to acid, reaction time and repeated times of catalyst on the yield of n-butyl propionate were investigated.
同时考察了乙酸酐与苯酚物质的量比对苯酚转化率的影响，得到了合成乙酸苯酯的最佳工艺条件。
Meanwhile, the influence of the ratio between phenyl hydroxide and acetic anhydride to translating rate was also studied, and the optimum technological condition…
如果释放到一个区域的放射性物质的量低至对人体不构成损害，那么植物体和动物也不会受到影响。
Plants and animals will be protected if the amount of radioactivity released into an area is low enough to be safe for human beings.
在今天结束的时候，你们就可以知道这点，好，现在当我达到某一纯度的时候，这是我得到的物质的量。
So at the end of the day, you can figure out, OK, now when I reach a certain degree of purification, here's how much of the stuff I end up with.
库仑测定法，电量测定法：一种分析方法，用测量消耗的库仑数来测定电解过程中释放出的物质的量。
An analytical method for determining the amount of a substance released during electrolysis in which the number of coulombs used is measured.
探讨了酸醇物质的量的比，催化剂的用量，反应时间和反应温度对酯化率的影响及催化剂的重复使用情况。
The effects of molar ratio of anhydrous ethanol to glacial acetic acid , dosage of catalyst, reaction temperature and reaction time on the esterification ratio and reuse of catalyst were discussed.
不过，总会到一定时间母乳就已经不再满足到BB的需求，而不能提供婴儿的成长需要各种的营养物质的量。
However, there will be a time when the baby needs much more nutrients as they grow up and mother's milk can not accomplish it anymore.
本文对化学教学中的物质的量和反应进度的概念和应用进行了讨论，并对它们之间的联系和区别进行了辨析。
In this paper, the concepts and the applications of amount of substance and extent of reaction have been discussed.
采用非等温差示热量扫描DSC曲线方法探讨了竹材液化物酚醛树脂胶不同物质的量之比时的固化反应过程。
The curing reaction process of bamboo liquefaction phenolic resin with different molar ratio was studied by non-isothermal differential scanning calorimetry(DSC).
考察了催化剂用量、醇酸物质的量比、反应时间、带水剂种类及催化剂重复使用性等因素对产品收率的影响。
Factors affected the yield including the amount of catalyst, reaction time, molar ratio of alcohol to acid, different carrying water agents and times for repeated USES were discussed.
PET可以通过检测到血流量及人体利用氧气和葡萄糖这类的营养物质的量来探测人体器官和组织的功能状况。
PET technology determines how well organs and other tissue are functioning based on blood flow and the amount of nutrients, such as oxygen or glucose, that they are using.
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 intro...
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 intro...
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