The solutions are adding the pour point depression agent and steam injection from the top.
解决方案为加入降凝剂，并在罐上部注入蒸汽。
Expounds the mechanism of freezing point depression from the viewpoint of free energy and colligative properties.
从自由能和依数特性的原理出发阐明了结冰相变点下降的机理。
Effects of raw material and product color of alkyl naphthalene on the pour point depression of lube oil were investigated.
考察烷基萘的原料(石蜡熔点)和产品色度对该剂降凝效果的影响。
Design of a freeze concentration system must take into account the natural freezing-point depression observed in many foods.
设计冷冻浓缩系统时，我们必须考虑到许多食品的自然冰点下降。
The effects of crude oil properties, the structure of PPD and the testing conditions on pour point depression were discussed.
讨论了原油的性质、降凝剂的结构及试验条件对降凝效果的影响。
In addition, the higher alcohol acrylate polymer was prepared, the pour point depression performance of the polymer was investigated.
同时制备了丙烯酸高碳醇酯的聚合物，并对聚合物的降凝性能进行了探讨。
Several empirical equations for the calculating of freezing points through freezing point depression methods are introduced in this paper.
本文介绍了几种通过计算冻结点下降值求得冻结点的经验公式。
The quality of diesel oil producing was advanced by isomery pour point depression technique applying in hydrogenation unit in Harbin Petroleum Company Branch of PetroChina.
介绍了中国石油哈尔滨石化公司柴油加氢精制-临氢降凝装置采用异构降凝技术提高产品柴油质量的生产情况。
The paraffin control unit also can be used for surface process, so as to be effective measures on paraffin control and pour point depression for crude oil gathering pipeline.
该防蜡器亦可用于地面流程，作为原油集输管线的防蜡、降凝有效措施。
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.
介绍一个改进的凝固点下降法测定摩尔质量实验装置，它由保温瓶、凝固点杯、贝克曼温度计、电动搅拌器等几部分构成。
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.
介绍一个改进的凝固点下降法测定摩尔质量实验装置，它由保温瓶、凝固点杯、贝克曼温度计、电动搅拌器等几部分构成。
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