Traditional systems have used oil diffusion pumps .
常规的系统使用油扩散泵。
The injector uses original oil diffusion pumps temporarily.
注入回旋加速器真空系统利用了原有油扩散泵。
The device is equipped with a cryogenic pump, an oil diffusion pump and a mechanical pump.
该机抽气系统由低温泵、扩散泵和机械泵组成。
A new measurement method of surfactants in oil diffusion coefficient is established and is simple and practical.
建立了一种新的测量表面活性剂在油中弥散系数的实验方法，该方法简单适用。
Meanwhile, the relations between oil leaching rate and oil diffusion coefficient in flake were analyzed and the restrictions …
同时分析了浸出速率与扩散系数的关系，指出了油脂浸出速率数学模型在应用中的局限性。
Therefore, it is necessary to do researches on the CO2-crude oil diffusion mechanism and change law in the process of gas injection.
因此，有必要针对注气过程中的CO2 -原油扩散机理及变化规律进行探讨。
Describes in detail the unified standards formulated in 1953 for the series of high vacuum oil diffusion pumps manufactured in the former USSR.
详细地介绍了前苏联1953年由国家制订的高真空油扩散泵工业产品的统一系列。
The results show that the releasing intensity mainly depends on the oil diffusion rate and also on the intensity from pore water into overlap water.
结果表明：水体沉积物中石油类的释放主要取决于间隙水中石油类向上覆水体扩散的速度与强度。
KT-400 high vacuum oil diffusion pump, which is characterized by extreme high vacuum, pumping speed large, increase production efficiency while the vacuum pneumatic valves with automatic control.
KT- 400高真空油扩散泵，它的特点是真空极限高，抽速大，提高生产效率，同时真空气动阀门采用自动控制。
Oil gas diffusion can probably occur from the product pipeline due to some factors such as pipe corrosion, foreign power collision, oil stolen by drilling hole or water hammer.
成品油管线在运营过程中会发生泄漏，主要原因为管线腐蚀、外力撞击、打孔盗油及水击等，泄漏后油品蒸发扩散形成的爆炸性区域具有很大的危险。
A strict mathematical deduction is conducted under given boundary condition, then the analytical solution of oil droplet's transport and diffusion equation is presented.
在所给定的边界条件下，进行严密的数学推导，给出了油滴输移扩散方程的解析解。
The antimicrobial activity of the oil was evaluated against 2 fungi and 12 bacteria including 6 clinical isolated strains using the AGAR disc diffusion and broth micro dilution methods.
同时采用滤纸片琼脂平板扩散法和肉汤稀释法测试了其挥发油对2种真菌和12种细菌(包括6种临床致病菌)的抗菌活性。
That the migration and accumulation efficiency of natural gas is far less than that of oil results from their differences in physical properties such as solubility, diffusion and absorptivity.
天然气的运聚效率远小于石油，是由于天然气在溶解性、扩散性、吸附性等物理性质方面与石油有差异。
Diffusion and aggregation behaviors of silver atoms deposited on charged liquid substrates (silicone oil) are studied.
研究了沉积在带电液体基底(硅油)表面的银原子的凝聚以及扩散行为。
The petroleum migration mainly in an oil phase, as for natural gas migration, it can occur in water-solution, oil-solution, free gas and diffusion phase.
石油运移的相态主要是油相，天然气可以是水溶相、油溶相、气相和扩散相。
In this paper, a strict mathematical deduction is finished under given boundary condition, then the analytical solution of oil droplet's transport and diffusion equation is followed.
在所给定解条件下，进行严密的数学推导，给出油滴输移扩散方程的解析解。
Several experiments were finished and then find the explanation for the diffusion of the Ag clusters towards the oil edge.
并对银原子及其团簇向样品边缘扩散的物理机制进行了解释。
The metal deposit rule was depended on the patterns of the metals in crude oil and the property of the catalyst as well as the diffusion and decomposition rates of metal compounds in the catalyst.
金属在催化剂上的沉积规律与金属在原油中的存在形态、催化剂性质及金属化合物在催化剂中扩散和分解速率有关。
Gonghua brand series diffusion pump oil is the work fluid used by metal diffusion pumps and glass diffusion pumps in the process of vacuum pumping.
巩华牌系列扩散泵油是金属扩散泵及玻璃扩散泵真空抽气时使用的工作液。
This paper has main researches on the molecular diffusion in the process of CO2-oil displacing, carrying our deep experimental researches in PVT cell and porous medium.
本文主要研究注CO2驱油过程中的分子扩散问题，分别从PVT筒及多孔介质两方面进行深入的实验研究。
Thus oil recovery is enhanced. The mechanism of molecular filming agent mainly includes absorption, wettability alteration, diffusion and capillary imbibition etc.
分子膜剂作用机理主要表现在吸附作用、润湿性改变、扩散作用、毛细管自吸作用等几个方面。
First we have established the testing method of CO2-crude oil system molecular diffusion tests, and then have carried out experimental tests in PVT cell and porous medium respectively.
首先建立了测试CO2 -真实原油体系分子扩散实验测试方法，分别在PVT筒内及多孔介质内进行了分子扩散实验测试。
First we have established the testing method of CO2-crude oil system molecular diffusion tests, and then have carried out experimental tests in PVT cell and porous medium respectively.
首先建立了测试CO2 -真实原油体系分子扩散实验测试方法，分别在PVT筒内及多孔介质内进行了分子扩散实验测试。
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