And they had boiling points or lines of boiling.
这里面有沸点或者沸腾线。
So more molecular branches make lower boiling points;
结果表明分子的分枝越多，沸点越低；
So strong bonds means high melting points and boiling points.
因此，如此强的化学键意味着更高的熔点，和沸点。
When boiling points are reported, the pressure must be specified.
在报导沸点时，必须说明压力。
As the molecular weights increase, so do the melting and boiling points.
随着分子量的增大，熔点和沸点也提高了。
These are huge energies, Coulombic forces, high melting points and boiling points.
这里有巨大的能量，库仑力，高熔点与高沸点。
Organic compounds with various boiling points are determined by thin layer chromatography.
采用薄层层析法对不同沸点的有机化合物进行了测定。
These experimental formulae can be used to predict the boiling points of the hydrocarbons.
应用这些经验公式可以预测不饱和链烃的沸点。
If the boiling points of the substances are nearly the same, they will all boil off together.
如果这些物质的沸点相近它们就会被一切除掉。
Corresponding appropriate film thickness is selected for samples with different boiling points.
对不同沸点的样品选择合适薄层厚度的柱子。
The boiling points of 9 halogenated ethanes were predicted for reference and test in the future.
并应用该方法预测了一些卤代乙烷的沸点，供有关研究者参考和实践的进一步检验。
In addition, the volatile substance comprises at least two catalysts with different boiling points.
另外，所述的挥发性物质由至少两种不同沸点的催化剂组成。
Nonflammable, nontoxic, and noncorrosive, they have low boiling points, which makes them useful as refrigerants.
不可燃、无毒性、无腐蚀性以及低沸点，使氟利昂用作冷冻剂。
The waste hexane could be recovered by the difference of boiling points. About 95% of waste hexane was recovered and reused.
废己烷可以通过沸点的差异得到回收，废己烷总量的95%得到回收利用，总量的5%作为废液排出。
A method of predicting vapor pressures of hydrocarbons from the normal boiling points and the molecular formulas is proposed.
提出一个只由正常沸点和分子式估算烃类物质蒸气压的方法。
Modern refining techniques produce solvents with a high degree of purity and stability in a wide range of grades and boiling points.
现代炼油技术可生产各种高纯度和高稳定性的溶剂，并有多种牌号及很宽的沸点范围。
The Poker Face star - then known by her real name of Stefani Germanotta - appeared as a contestant on MTV's Boiling Points back in 2005.
这位百变明星——她的真实姓名是斯蒂芬吉玛那图——于2005年参与了MTV台的“热点分数”节目，是参赛选手之一。
First of all, crude oil was cutting into several pseudo components which act as input of primary tower according to its true boiling points data.
首先利用原油实沸点蒸馏数据将原油切割为一定数目的虚拟组分，并以此作为常减压装置初馏塔的输入。
The cyclohexanone column was used to separate cyclohexanol and cyclohexanone by the difference of their boiling points in production of hexanolactam.
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 calculation of boiling points, densities and refractive indexes shows that the result of-calculation agrees with the experimental data very well.
对沸点、密度和折光指数的计算结果表明，计算值都很接近实验值。
Table 1.4 compares the boiling points of several alkyl ether that have permanent dipoles with those of hydrocarbons, which have no permanent dipoles.
表1.4对若干有永久偶极的烷基醚和没有永久偶极的烷烃的沸点作了比较。
The simple mercaptans have strong, repulsive, garlic-like odors which become less pronounced with increasing molecular weight and higher boiling points.
较简单的硫醇具有有强烈的象蒜一样的厌恶气味，随着相对分子质量的加大和沸点升高，气味逐减变弱。
The petroleum is first heated in a boiler to separate the smaller hydrocarbons with low boiling points from the larger hydrocarbons with high boiling points.
石油先在一蒸发器内加热，从高沸点的大分子碳水化合物中分离出低沸点的小分子碳水化合物。
Molybdophosphoric acid used as the catalyst, two alkyl glycolates were prepared. The glycolates were characterized by the boiling points and proton NMR spectra.
以钼磷酸为催化剂合成了两种羟基乙酸酯，并经沸点和核磁共振氢谱确定了它们的组成和结构。
The results showed that the calculated boiling points were in good agreement with the experimental data, and the mean relative deviation was 1.10%for 74 halogenated ethanes.
对74种卤代乙烷的计算结果表明，沸点计算值与实验值的一致性令人满意，平均误差1.10 %。
The calculated results show that the Predicted values of boiling points are in good agreement with the experimental data, and the mean relative deviation is 0.422% for 102 alkyl …
对102种脂肪胺的计算结果表明，沸点预测值与实验值的一致性令人满意，平均误差0．422％。
At a same neutralization degree and moisture content, the boiling points of both the slurry from wet process phosphoric acid and the one from dilute pure phosphoric acid are very close.
在相同中和度、相同含水率时，用工业湿法磷酸制得的酸性磷铵料浆的点与用纯稀磷酸制得的酸性磷铵料浆的沸点较为接近。
There is a common feature in those processes developed, i. e. the boiling points of products are far below those of reactants, which favor conducting the reaction rectification technique.
但目前已开发的反应精馏技术都是利用目的产品的沸点远低于原料的沸点的共性，这一共性有利于反应精馏技术的实施。
A new equation for calculating heat of vaporization of pure compounds at normal boiling points is derived with the residual function method improved by the new RK EOS which was proposed in 1980s.
应用八十年代提出的新r - K状态方程序，改进纯物质常沸点汽化热的剩余函数预测法，推导出纯物质常沸点汽化热的新计算方程序。
A new equation for calculating heat of vaporization of pure compounds at normal boiling points is derived with the residual function method improved by the new RK EOS which was proposed in 1980s.
应用八十年代提出的新r - K状态方程序，改进纯物质常沸点汽化热的剩余函数预测法，推导出纯物质常沸点汽化热的新计算方程序。
应用推荐