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1)  low0freezing
低凝固点
2)  freezing point depression
凝固点降低
1.
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.
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)。
2.
A device for measuring molarmass by freezing point depression method was improved.
对凝固点降低法测定摩尔质量的实验装置进行了改进。
3)  low-freezing
低凝固点的
4)  freezing point depression
凝固点降低法
1.
A device for determining molar mass with freezing point depression was improved,which consists of the Dewar bottle,sample container,Beckmann thermometer,and motor stirrer.
实验结果显示,改进的凝固点降低法测定摩尔质量实验装置结构合理,其测定误差可控制在±0。
2.
Combined with determining molar mass with freezing point depression examples of physical chemistry experiment,the data,which come from the full automaticity molar mass with freezing point depression produced by experimental chemistry teaching center of Shaanxi Normal University,were analyzed by using Excel software and Origin software.
结合物理化学中的经典实验——凝固点降低法测定萘的摩尔质量的实例,介绍利用Excel和O rigin软件对全自动凝固点下降法测量仪所测的TXT格式数据进行处理的方法。
5)  winter black oil
低凝固点车油
6)  low cold-test distillate
低凝固点馏出物
补充资料:凝固点
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性质:物质的液态与其固态呈平衡时的温度。含有非挥发性溶质的稀释溶液的凝固点(TK)(指溶剂与其因态平衡时的温度)比纯溶剂的凝固点(T0K)要低。凝固点降低,△T= T0- T,与溶质的质量摩尔浓度m呈正比,△T=Kf·m,其中Kf称为凝固点降低常数,只为溶剂性质有关。水的凝固点即冰点,它的Kf=1.86。

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