凝固点降低

利用wiebe－Bagley模型及直接从凝固点降低法计算了醇类在苯及对二甲苯中不同浓度下的平均缔合度n＿（WB）及n＿（dir）。

With Wiebe-Bagley association model and data directly from freezing point depression , n , the average degrees of association of alcohols in benzene , p-xylene were calculated .

稀溶液的凝固点降低和三相点温度降低

The Freezing Point Depression and the Temperature Depression of Triple Point in a Dilute Solution

TP（801）控制凝固点降低法测定分子量

The Measurement of Molecular Weight by way of Controlling Solidifying-Point Drop with TP_ ( 801 ) Microcomputer

凝固点降低法研究NMMO与水分子的相互作用

Study of the Interaction between NMMO and Water by Freezing-point Depression Method

凝固点降低法测摩尔质量实验研究

Research on the Determination of Molar Mass by Freezing Point Depression

一种精确的稀溶液凝固点降低经验公式

An Accurate Empiric Formula for Freezing Point Drop in Dilute Solutions

本文探讨了用不同方法推导的凝固点降低公式的差别，指出推导结果的不同来源于不同的代换关系。

The cryoscopic formula by different deduction methods are discussed .

凝固点降低法计算溶剂活度的关系式

On the Calculation of Solvent Activity from Freezing point Depression of Solutions

凝固点降低法测分子量

A method of solidifying point depression used for determinating molecular-Weight

凝固点降低法研究某些脂肪胺的自缔合作用

A thermodynamic study on self-association of some aliphatic amines by freezing point depression

凝固点降低法测定分子量实验改进

Improvement on Experimental Method for Determining Molecular Weight by Freezing Point Fall Method

此方法比凝固点降低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 .

关于凝固点降低的几点讨论

The Discussiones On the Freezing - Point Depression

凝固点降低法测定摩尔质量实验装置的改进

Improvement of the Experiment Device of Measuring Molar Mass by Freezing Point Depression Method

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 .

凝固点降低法测定强电解质表观电离度的探讨

Study on the Determination of Apparent Ionization Degree of Strong Electrolytes by the Solidifying Point Reduction Method

各流分通过凝固点降低法测定其相对分子质量，再经薄层色谱分析。

The flow of points determined by freezing point lower the molecular weight , and then by TLC . 4 .

本实验室将筛选的降凝效果较好的降凝剂与双子表面活性剂复配，可以使凝点为50℃的辽河A原油凝固点降低9℃。

The better pour point depressant compound with gemini surfactants can make crude oil Liaohe A freezing point lower 9 ℃ .

从三方面对凝固点降低法测定分子量的实验进行了改进，一是以水&葡萄糖体系代替原来的苯-萘体系；

In this paper , experimental method for determining molecular weight by freezing point fall method was improved from following three aspects .

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 .

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 .

用凝固点降低法测定了聚合物的数均相对分子质量为1.4×10~4，产物的玻璃化温度为4.18℃，采用红外对产物的结构进行了表征。

The number average relatively molecular mass of product was 1.4 × 10 ~ 4 by freezing-point depression . The structure of product was characterized by IR spectrum .

溶液的这四个特性：蒸汽压下降、凝固点降低，沸点升高和渗透压，称为溶液的依数性。

The four properties , vapour pressure lowering , freezing point depression , boiling elevation , and osmotic pressure , are known as the colligative properties of solutions .

降凝剂是一种主要的润滑油添加剂，它不仅可以使润滑油的凝固点降低，还可以使其低温流动性得到改善。

The pour point depressant is a major lubricating oil additives , it can not only make the lubricating oil freezing point depression , can also make it low-temperature flow ability is improved , so the oil on the pour point depressant has a high selectivity .

用改进的凝固点降低法测相对分子质量的实验，仪器设备简单，无环境污染，操作简便，快捷，实验结果符合误差要求。

The experiment of testing the relative molecule quality by the improved condensation point reduction method is done , in which the instrument used is simple , no environment is polluted , operation is easy and quick and the experiment result conforms to the requirement for error .

实验结果表明，经微生物降解后，稠油粘度和凝固点分别降低了36%和75℃；

The results show that after degradation , viscosity and setting point of crude oil are reduced by 36 % and 7.5 ℃ respectively ;

以原油为碳源发酵后，油粘度、蜡含量、凝固点均显著降低。

Using crude oil as carbon source , the viscosity , the wax content , solidify point decline notably after fermenting .