Study on the relationship between normal boiling points of alkanes and their molecular structures by using molecular topology;
烷烃正常沸点与分子结构的拓扑相关性研究
From the relation between vaporization heat(or normal boiling point) and carbon number,the correlation between vaporization heat and normal boiling point was theoretically deduced,and a simple but valid equation was fitted:Hυ=23.
通过对正烷烃蒸发热、正常沸点与碳数关系的研究,理论推导出蒸发热与正常沸点之间的关系,并拟合得一简单适用的公式:Hυ=23。
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。
Comparison and evaluation of group-contribution techniques for estimating the normal boiling point of organic compounds;
估算有机物正常沸点的基团贡献法比较与评价
In the point of view of molecule force theory, the physical regularity reflected in physical phenomenon of the normal boiling point for open chain, aromatic, alicyclic hydrocarbons and carboxylic acids, a new theoretical equation of the normal boiling point for them is proposed.
应用分子力学理论揭示出烃类和羧酸等的正常沸点Tb这一物理现象中的物理规律性,从而提出其正常沸点的理论方程,物理意义明确,经用链烃,环烃和羧酸等的298个纯质的实测值验算,平均误差为0。
A cryogenic liquid is defined as a liquid with a normal boiling point below -240 f (-150 c).
低温液体定义为正常沸点在–240°F (–150°C)以下的液体。
Lasater's bubble-point pressure correctio
莱氏泡沸点压力校正
Of or relating to a temperature scale that registers the freezing point of water as0=and the boiling point as100=under normal atmospheric pressure.
摄氏的将正常大气压下水的冰点作为0=C、沸点作为100=C的一种温标的,或与之相关的
More often than not, however, the geological temperature is only slightly above the boiling point, or even as low as80.
然而通常,地热只稍高于沸点,甚至80度。
Research of azeotropic point of n-butane water system at middle-pressure(0.4MPa);
正丁烷—水中压(0.4MPa)共沸点研究
Suffice it to say that the unusually high boiling point of acetic acid.
只要谈一下醋酸的不寻常的高沸点就行。
Separation and Purification of Organic Mixture and Its Mensuration of Boiling Point Under Ordinary Pressure;
常压下有机混合物的分离提纯及沸点测定
The Boiling Point Rising of the Mixed Solvent Dilute Solution and Its Constants Calculation;
混合溶剂稀溶液的沸点升高及其常数的推算
Upon heating the zeolite, the normal siloxane linkage would also experience strain due to thermal expansion.
当加热沸石时,由于热膨胀作用,正常的硅氧烷鍵也会存在张力。
" You're fine. Have a drink of water."
“你一切正常,喝点水吧。”
"Just try to relax," he said, "Everything is all right.
“尽量放松一点。 一切正常。”
I do hope the train is on schedule.
我非常希望火车能正点。
The pot is boiling away on the fire.
炉子上的水壶正在沸腾。
Molal solution are normally used when the physical properties of solutions, such as vapor pressure, freezing point and boiling point, are involved.
在涉及溶液的物理性质如蒸汽压,冰点和沸点时,通常使用重量克分子浓度。
100℃ is the boiling point of water.
摄氏100度是水的沸点。
The boiling point of water is 100 degrees centigrade.
水的沸点是摄氏100 度。
The low-boiling inflammable part and the high-boiling residue both had to be discarded as useless.
低沸点易燃部分和高沸点之残渣油均须弃置用。
N o mal healing were observed in all the7 cases, absorption and poor healing at bot h ends of the graft were not found, too.
所有7例煮沸肿瘤骨均获正常骨愈合,与活骨端相连接的植骨两端未见煮沸肿瘤骨吸收或愈合不良。
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