那是17世纪,牛顿确定水的凝固点之前。
It was the seventeenth century before Newton determined the freezing point of water.
凝固点降低的时候,我们要从液体到固体。
When we're doing freezing point depression, we're going from liquid to solid.
把沸点,换成凝固点。
如果你想看凝固点降低,这很简单。
Now. If you want to look at freezing point depression, it's really easy.
可由此读取风挡清洁剂的凝固点。
The freezing point of the windscreen cleaner can be read off here.
凝固点:液体变为固体的温度。
Freezing point: Temperature at which a liquid becomes a solid.
为什么会有高熔点,和凝固点呢?
有问题吗?关于凝固点降低,和沸点上升。
Any questions about those freezing point depression and boiling point elevation. Yes.
原油的流动性与原油的凝固点和粘度有关。
The flow of crude oil and crude oil on the freezing point and viscosity.
此方法比凝固点低压法易发生更大的实验误差。
The method is subject to greater experimental errors than the freezing-point-depression method .
用凝固点下降法测定了产品的分子量为478。
一个冷却曲线被画了出来,凝固点就被找到了。
A cooling curve is plotted and the freezing point determined.
我们来画相图,蒸汽压下降,意味着凝固点降低,和沸点降低。
And we also drew a phase diagram to show how this vapor pressure lowering was going to imply freezing point depression and boiling point depression.
物质(通常是盐和水)在水的凝固点以下形成的混合物。
The flux is generally an organic salt dissolved in water and alcohol mixture.
凝固点:原油冷却到由液体变为固体时的温度称为凝固点。
Freezing point: the cooling of crude oil into a solid by the liquid temperature at the time known as the freezing point.
沈阳油田为高含蜡、高凝固点的原油,原油集输十分困难。
The oil of high wax content and high pour point in Shenyang oilfield is very difficult to gather and transmit.
如果表面被冷却到水的凝固点以下,浓缩的水蒸汽会凝固成冰。
If the surfaces are chilled below water's freezing point, the condensed moisture can solidify into ice.
若将其还原,血液就又具有抗冻性能,而且凝固点也有所降低。
When it was put back, the blood again had its antifreeze quality and a lowered freezing point.
防冻剂:降低水之凝固点的物质,能够保护系统免受冰冻之害。
Antifreeze: Any substance that lowers the freezing point of water, protecting a system from the ill effects of ice formation.
过实验,改进了测定凝固点的方法,较之原方法更为简捷、准确.。
The method of testing solidifying point is improved through experiments, which simpler and more accurate.
井筒热流体循环是适用于开采高凝固点、高粘度原油的一种实用技术。
Wellbore hot fluid circulation is a practical technology suitable for the production of high pour-point and high viscosity oil.
将基于最小二乘支持向量机的软测量模型应用于轻柴油凝固点的预估。
Soft sensor model based on LS SVM is applied to predication of frozen point of light diesel oil.
本文探讨用凝固点降低法测定强电解质表观电离度的实用性及操作规范。
The practicality and the operational standard of determining the apparent ionization degree of strong electrolytes by means of solidifying point reduction method are researched in this article.
冷东—雷家地区储层类型复杂,原油凝固点高,属于低饱和或不饱和油藏。
The type of reservoir at Lengdong-leijia region is complicate, and solidification point of its crude oil is high and that belongs to low saturated or unsaturated oil reservoir.
凝固点高、含蜡量高、供液能力差的深井举升一直是油田开发工艺的一个难题。
The deep well artificial lift technology with high solidification point, high wax content and bad fluid supply capacity continues to be a problem for development technology in oilfield.
物理性质包括颜色、密度、粘度、凝固点、溶解性、发热量、荧光性、旋光性等;
Physical properties including color, density, viscosity, freezing point, solubility, heat, fluorescence, and optical activity, etc.
介绍凝固点下降薄层比较法测量熔点标准物质熔点的测量装置的构成与工作原理。
The structure and working principle of the devices for melting point measurement by means of thin film comparative method of cryoscopy were introduced.
采用磁防蜡器经两年试验,效果虽好,但输油温度要控制在凝固点附近而不易做到。
Magnetic wax controllor test had been done for two years, although the result was good, to control the oil delivery temperature near the pour point was difficult.
模拟结果表明:铜团簇的熔点和凝固点随其尺寸线性增加,并逐渐向大块晶体靠拢;
The results indicates that the melting and freezing points of Cu_N nanoclusters increase linearly with size, and approach to bulk crystal's gradually.
沈阳油田沈84断块原油的主要特点是高含蜡、高凝固点,低胶质和低沥青质含量。
The main features of the crude oil in fault block Shen 84 of Shenyang oil field are high wax content, high pour point, and low contents of gum and asphaltine.
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