This article described the design, principle of the mini ion pump and its application in the pumping process of X ray tube manufacture.
介绍微型溅射离子泵的结构、工作原理及其在X射线管制造中的应用。
In the pumping process, if water levels continue to decline, we should pay attention not to let the exposed surface of the water running submersible pump.
在抽水过程中,若水位不断下降,要注意不要让潜水电泵露出水面运行。
In accordance with this problem, a new pump of small diameter with double barrel has been developed. Experimental study of the deep pumping process has been conducted and attained a success.
针对这一问题,研究设计新型双筒式小直径抽油泵,进行了深抽采油工艺技术的试验研究,获得了成功,取得了良好的经济及社会效益。
This process involves a compressor and with it associated thermal, mechanical and pumping losses, which affect fuel consumption.
这一过程涉及压缩机和与之相关的热,机械和抽水的损失,影响燃料的消耗。
Based on the principle of mass balance, this paper deals with rules of. motion of the pseudo-fluid level in the annular space in the process of testing the pumping oil well.
本文应用物质平衡原理,研究了抽油井环空拟液面在测试过程中的运动规律。
Since a mine pumping system can generally be simplified into a complicated pipe-line system in series, the transient process is simulated by a method of characteristic line.
根据矿井排水系统一般可以简化为串联复杂管路系统的特点,采用特征线法模拟其断电停泵的瞬变过程。
The cementation of tailings mainly includes the process of pumping sand, adding cementation material, tailings' dehydrating, and piling after dehydration.
尾矿固结排放工艺流程主要包括泵砂、添加胶凝材料、尾矿脱水和脱水后尾矿堆排。
The design layout, key process of construction, such as well point drilling quality, filtrating quality, well washing quality, continuity of pumping were discussed.
阐述了管井井点排水的设计布置及井点钻孔质量、三滤质量、洗井质量、抽水连续性等关键工序的施工技术。
The parametric pumping, a novel separation technique, has been reviewed with respect to its technological progress and process modeling.
从工艺和模型研究两方面对参量泵技术的研究进展进行了评述。
The temperature field and warming process of the transient and steady state in the laser rod by symmetrical trigonal side-pumping were simulated using the finite element analysis method.
用有限元法计算模拟了三角均匀分布侧面泵浦结构激光棒瞬态温升过程及稳态温度分布情况。
On the basis of hydraulic performance of batch transportation pipeline, the paper analyzes the determination process of operating point of pumping station-pipeline system for Huangdao Oil Terminal.
在研究顺序输送管道水力特性的基础上,对黄岛油库泵站-管道系统工作点的确定过程进行了分析。
In this paper the process, structure, architectural and automatic control design and the operation of this pumping station are presented.
本文主要介绍了罗雨排涝泵站的工艺设计、结构设计、建筑设计和电气自控设计,以及泵站的运行效果。
Based on the analysis of the process of regenerative braking, this paper put forward a new method to restrain the pumping voltage by changing PWM ratio.
文中通过对再生制动过程的分析,提出了通过控制占空比的办法来抑制泵升电压。
At the appropriate pressure, the chamber is opened to a high-vacuum pumping system that continues to reduce the pressure of the process chamber.
在适当的压强下,工艺室被接通高真空泵系统抽气,以继续降低工艺室的压强。
Process pumps are designed for continuous operation in the industrial processes and pumps can be used for pumping various kinds of liquids and stocks.
泵是为工业工艺流程连续操作而设计的。该泵可用于输送不同种类的液体和浆料。
This paper introduces the process of people death accident caused by crank of pumping unit, analyzes the causes in detail, and offers the improvement measures.
简述了抽油机曲柄致人死亡事故的经过,详细分析了事故发生的原因,提出了整改的措施。
Vacuum packer can complete the whole process of pumping air into vacuum state, sealing, lettering, cooling and exhaust in terms of the process, but just need to press the vacuum cover.
真空包装机只需按下真空盖即自动按程序完成抽真空、封口、印字、冷却、排气的全过程。
Deep pumping has been one of THD important methods of mechanical oil recovery raffinate... the paper introduces the pump well raffinate's corollary process technology and its applied situation.
深抽已成为机采提液的一项重要手段。本文介绍了濮城油田抽油机井提液的配套工艺及其应用情况。
Based on vacuum pumping accompanied with throttling process, presenting several superfluid helium cooling cycles and analyzing their flow principle and cooling characteristic.
以抽真空与节流相结合为基础,给出了几种超流氦冷却循环方式;分析了这几种方式的流程机理和冷却特性。
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。
Currently, the main aging evaluation methods of pumping station in China include general formula method, expert evaluation method, analytical hierarchy process (AHP), and so on.
目前,国内泵站老化评估的主要方法有:通用公式法、专家评估法和层次分析法等。
According to operating process of trailer mounted pumping unit, an auto control operation system of trailer mounted pumping unit is developed.
根据采油车的作业流程,设计开发出了一种采油车作业的自动控制系统。
According to operating process of trailer mounted pumping unit, an auto control operation system of trailer mounted pumping unit is developed.
根据采油车的作业流程,设计开发出了一种采油车作业的自动控制系统。
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