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。
Petrol has a low boiling point; if a little is poured into the hand, it soon vaporizes.
汽油沸点低，如果倒入少许在手上，它立即就蒸发掉。
Gas is certainly the most supple heat source, but if gas pressure is low, it is wise to have one strong electric hot plate for sautes and for boiling large POTS of water.
煤气或天然气的确很容易控制，但气压偏低时，你最好能预备一个大功率的电热炉来炒菜或是烧开大锅的沸水。
It was the beginning of winter, when low temperatures and relentless winds made dinner over a pot of boiling broth very enticing.
那正是初冬时节，阵阵寒意和瑟瑟冷风使得围着一锅滚沸的肉汤享用美食变得妙不可言。
When the pressure gets low, the boiling point becomes low.
气压低时，沸点就低。
Since R134a has a relatively low boiling point, the water is hot enough to convert it into a gas.
因为R134a的沸点相对较低，温水的热量足以将它汽化。
The formaldehyde content of wort can be decreased if the malt, adjunct and enzyme was selected with low formaldehyde content and low polyphenol index, and the boiling degree was controled reasonably.
选择甲醛含量和多酚聚合指数较低的麦芽、辅料及酶制剂，糖化控制合理的煮沸强度，可以减少麦汁中的甲醛含量。
So far all the studies have shown that composition shift will happen in the direction of composition increase for the low boiling point components.
到目前为止，所有的研究都认为，组分迁移会导致低沸点组分的循环浓度升高。
ASE can extract the substances such as acids. terpenes, aldehyde ketones and the big polar alcohols with low boiling point as well as the high boiling point.
ASE除了萃取低沸点的萜类外，还有高沸点酸类、萜类、醛酮类和大极性醇类。
On the fact of using purpose, the aluminum dissolved quantity arranged from high to low as: boiling water, boiling milk, cooking porridge and cooking rice.
从使用目的上看，铝的溶出量从高到低依次为：煮水、煮奶、煮粥和煮米饭。
Warm liquor or yellow wine may be aroma for drinking and some bad substances like aldehyde with low boiling point could be volatilized so as to reduce injurious ingredients.
不管是白酒、黄酒，加温后饮用：一是芳香适口；二是可挥发掉一些沸点低的醛类有害物质，减少有害成分。
The alcohol treatment mechanism is that the invaded water can be removed by decreasing surface tension and forming low boiling point azeotrope.
这是因为醇可以减小表面张力，与水或水和烃形成低沸点共沸物，将侵入的水排出。
An extremely low freezing point and high boiling point, for low temperature and overheat engine provide good protection.
极低的冰点和较高的沸点，对低温和过热的发动机提供良好的保护。
The invention relates to a method of recycling low boiling organic solvent from factory effluent in the wastewater treatment field.
本发明涉及水处理领域中的从生产废水中回收低沸点有机溶剂的方法。
First, the preparation process of low boiling point initiator polyetherswas moditied.
首先，对低沸点起始剂酯醚的合成工艺进行了研究。
The results indicated that thermal desorption is a good way of analyze the flavor compounds with low boiling point flavor.
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。
A new combined thermal power and cooling system is developed using the characteristic of low boiling non azeotropic ammonia water mixtures.
利用氨水混合物低沸点的特点，设计了以氨水混合物为工质的电冷联产循环系统。
Main reason for frequent failure on mechanical seal of low boiling column bottoms in the production of methane chloride is due to impurity entry and airproof structure, unreasonable material.
对甲烷氯化物低沸塔底料泵机械密封频繁失效进行了分析，主要原因是物料中杂质进入和密封结构、材料不合理等。
Vacuum pump and the distillation system is often connected in series between the protection devices to prevent the low boiling point substances and corrosive gases into the vacuum pump.
真空油泵是一种比较精密的设备，它的工作介质是特制的高沸点、低挥发的泵油，它的效能取决于油泵的机械结构和泵油的质量。
Vacuum pump is a relatively sophisticated equipment, it's working medium is a special high boiling point, low-volatile oil pump, its effectiveness depends on the mechanical pump and pump oil quality.
真空油泵是一种比较精密的设备，它的工作介质是特制的高沸点、低挥发的泵油，它的效能取决于油泵的机械结构和泵油的质量。
This paper presents the inner cooling theory that use the high insulating property and low boiling point materials instead of water as coolant in turbo-generator's stator windings.
简要介绍采用高绝缘低沸点介质替代水内冷介质，用于汽轮发电机定子绕组内部冷却的原理。
Because oil noodles contain low levels of alkali add a little white vinegar to boiling water when blanching to reduce their alkali.
因油面含有少量的碱，汆烫时加入少许白醋，可降低碱味。
A method of detecting low and high boiling components contained in VCM quickly and accurately by gas chromatography and GC working station is introduced.
介绍了用气相色谱仪及色谱工作站快速、准确地检测氯乙烯单体中高、低沸物的方法。
It is concluded that the application of the aid in low grade massecuite boiling might have remarkable economical gain.
认为该助剂应用在末段糖膏煮炼中的经济效益是显著的。
Low air pressure, low boiling point.
气压低，沸点就低。
The performance and hysteresis of boiling heat transfer of T-tube with different opening, low fin tube, and two kind of plain tubes have been studied experimentally.
本文报道了几种不同平均开口度的T管、低肋管和光管的沸腾传热性能及沸腾滞后现象。
The paper covers the technical parameter, production flow and the device about low boiling point solvent extraction technology.
文章介绍了低沸点溶剂技术的工艺参数，生产流程和装置，并对几种含有不同脂质成分的天然物料进行萃取研究。
The paper covers the technical parameter, production flow and the device about low boiling point solvent extraction technology.
文章介绍了低沸点溶剂技术的工艺参数，生产流程和装置，并对几种含有不同脂质成分的天然物料进行萃取研究。
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