用美国石油学会比重度和中沸点估算馏分燃料十六烷值公式计算得到的数值结果。
The numerical result calculated by the formula for estimating the cetane number of distillate fuels from American Petroleum Institute (API) gravity and midboiling point.
在我的试验中，对于液态氮来说，比其沸点高几百度的皮肤就是那个平底锅。
To liquid nitrogen, flesh is like that skillet-a surface hundreds of degrees above its boiling point.
在所有元素中，氦的沸点最低，只有4.2 K。
在真沸点蒸馏过程中，对规定温度范围内所收集的馏分可加以回收。
During the course of the TBP distillation, the distillates which accumulate between specified temperatures are withdrawn.
在己内酰胺生产过程中，环己酮蒸馏塔的作用是利用环己酮与环己醇沸点差异，将二者分离。
The cyclohexanone column was used to separate cyclohexanol and cyclohexanone by the difference of their boiling points in production of hexanolactam.
结果表明，对于低沸点的化合物，由于样品在点样和展开过程中挥发损失的原因而不能进行显色处理，从而无法进行测定。
The experimental results show that the organic compounds with lower boiling point can not be determined by thin layer chromatography because they are volatile.
相对来说，丙酮提取物中的低沸点组分偏多，正己烷提取物中的高沸点组分偏多。
Relatively, the acetone extract includes more components of lower boiling point, while it is opposite for n-hexane extract.
而从具有最低恒沸点的混合溶剂中吸附溶质时，吸附量与溶剂组成的关系与直线呈负偏差。
From constant boiling mixtures with a minimum, the adsorption of solutes also varies with the composition of mixed solvents, but a negative deviation is observed.
在催化裂化过程中为促进高沸点烃类转化成低沸点烃类所用的催化剂。
Catalyst for promoting conversion of high-boiling hydrocarbons into lower-boiling types in catalytic cracking process.
把牛奶加热至沸点，然后再加加进鸡蛋和糖的混合液中。
Scald the milk and then add it to the egg and sugar mixture.
结果表明：热脱附法可以很好的检出金华火腿中的低沸点化合物。
The results indicated that thermal desorption is a good way of analyze the flavor compounds with low boiling point flavor.
如果给两种挥发性物质的混合物加热，在分离的物质中，低沸点的物质的浓度比溶解的高沸点物质的浓度要高的多。
If a liquid mixture of two volatile materials is heated, generally the vapor that comes off will have a higher concentration of the lower boiling materials than the liquid from which it was evolved.
《物理化学》中的稀溶液沸点升高与《有机化学实验》中的水蒸汽蒸馏看似矛盾，实质上是它们的原理不同。
The boiling point rise of dilute solution in physical chemistry seems to contradict with vapor distillation in experiment of organic chemistry. Actually, they are of different principles.
单环芳烃在土壤基质中相对斜率的大小与化合物本身的沸点以及辛醇-水分配系数呈负相关。
The relative slope of mononuclear aromatics in soil matrix negatively correlates to the boiling point of the compounds and the partition coefficient between octanol and water.
通过在适当条件下汽化一部分液体进料在下流式沸点反应器中引发脉冲流动。
The pulse flow is induced in a downflow boiling point reactor by vaporization of a portion of the liquid feed at proper conditions.
在高温高湿条件下，木材中的松节油与水在紧接水的沸点温度下共沸，并随蒸汽排出试材。
In the condition of high temperature and high humidity, the turpentine oil will boil together with water, and it will be removed from the test wood accompanying with the water vapour.
因此在本单元的学习过程中，学生通过实验的方式对其中的两个知识点“杂质对纯物质熔沸点的影响”和“影响扩散速率的因素”进行了学习。
In this process the students learned "How the impurity affects the melting point and boiling point" and "the factors affecting the rate of diffusion" by doing experiments themselves.
高沸点能防止煞车系统中形成的蒸气，提高煞车系统的效能。
Prevents formation of deposits and keeps the braking system clean.
高沸点能防止煞车系统中形成的蒸气，提高煞车系统的效能。
Prevents formation of deposits and keeps the braking system clean.
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