查询词典 pour point

The petroleum of BoHai bay is a kind of high gluey, asphaltum and viscosity crude oil. Its emulsion is very difficult to be broke, only less than high pour point and heavy crude oil. And it is always a serious problem to choose several good kinds of demulsifiers in the oil gathering process of BoHai bay.

渤海地区海上原油的特点是属于高胶质沥青质环烷基稠油，其所形成的原油乳状液是比较难处理的原油乳状液，它的脱水难度仅次于高凝稠油，其针对性破乳剂的选择一直是困扰生产的主要问题。

The graft copolymer has an optimum effect of pour point depressing for the Daqing crude oil when it was synthesized under the conditions of that the mole ratio of EVA and octadecyl maleimide was 1:20, mass fraction peroxidation benzoin formyl was 2.5%, polymerization time was 6h, and the polymerization temperature was 90℃.

以目标物的降凝幅度为评价指标，优选出适合的合成条件为：EVA与十八烷基马来酰亚胺的摩尔比为1：20，引发剂过氧化二苯甲酰的量为2.5%，聚合时间6h，聚合温度为90℃。

However, crude oil is not only insufficient, but also limited by the temperature in transporting. It is necessary for it to calefacient when it is below the pour point which makes the contradiction more obvious between the supply and demand of crude oil.

然而，原油不仅在供应上不够充分，而且在输送方面还受到温度的限制，当气温达到原油凝点时，就需要加热输送，这就会消耗能源，从而使原油的供求矛盾更为明显。

The effect of the compound Pour Point Depressant for Daqing crude oil was evaluated at different compound proportion, dosage and temperature.

考察了复配型降凝剂在不同温度、不同复配比例、以及不同加剂量下对大庆原油的降凝效果。

Hollow sucker rod is a kind of special product designed for production of high pour point, high condensation, high paraffin crude oil. Its connector and coupling is welded with sucker rod body in friction welding. We can get the function from the hole of hollow sucker rod. The properties of hollow sucker

空心抽油杆是用于开采"高凝、高粘、高含蜡"原油的专用产品，它是将空心杆头、接箍通过摩擦焊，焊接到无缝钢管两端形成的抽油杆，其管柱内部形成一条通道，利用这一孔道实现空心抽油杆的各种功能。

It is important to study the influence of pour point depressant on wax precipitation.

目前采用了许多物理或者化学方法来解决这一问题。

The author reviews the historical aspects of development and describes the present situation of pour point depressant at home and abroad.

指出了降凝剂在研究和应用中存在的问题，对降凝剂降凝技术的发展进行了客观评价和展望

Finally, in view of the malpractice of traditional pour point depressant, we developed new condensed suspension PPD.

最后，针对传统的降凝剂应用工艺的弊端，开展了新型缩悬浮体降凝剂的研制。

Finally, carry on the effect of pour point depressant and viscosity reducer.

在此基础上合成三元共聚物AVM和四元共聚物ASMV。

An application of wheel flow simulator in the evaluation of pour point depressant is described in this paper.

探讨了用转轮流动模拟器评价原油降凝剂的效果和模拟输油管道输送添加降凝剂含蜡原油的工业性试验的可行性。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。