There are some components that direct contact with the pumped medium in the reciprocating diaphragm pump, such as diaphragm, pump valve and air vessel, so these components are key components that influence the operating life of the reciprocating diaphragm pump.

By deduced air dissolution equation, it was found that when air dissolved and then released the proportion of oxygen would decrease and the air space in the dissolved air vessel would probably accumulate oxygen.

推导多组分空气溶解方程后发现，空气先溶解再释放后，氧气所占比例下降，滤罐空气层中可能积累O2。

Safety valves for marine air vessel

GB/T14087-1993船用空气瓶安全阀

One of the main parameters of designing the flotation system for water treat-ment is the recycle water ratio or its corresponding air/ water ratio, so that it is necessary to determine the efficiency of air saturation in the vessel.

水处理的气浮的系统的一个主要设计参数是溶气水回流比或者是相应的气水比，因此必需确定溶气缸的溶气效率。

Using a seam auto-tracking technique with arc sensor, seam tracking experiments for circumferential lap weld of automobile air storage vessel have been performed in this paper. In addition, influence factors of tracking effect and weld quality are analyzed.

采用电弧传感式焊缝自动跟踪技术，对汽车贮气筒环缝搭接进行了自动跟踪工艺试验，并对影响跟踪效果和焊缝质量的因素进行了分析。

On Improving the Quality of Exchange Air of Vessel Diesel

提高船舶柴油机换气质量的管理策略

High purity methanol is a very important solvent for chemical microelectronic industry.

高纯甲醇是一种重要的化工溶剂.

Main products are of high purity lead, refined lead and silver high.

主要产品为高纯铅 、 精铅和高纯银.

High purity aluminum pressed reflector, asymmetrical type, and dazzling controlling ability.

反射器高纯铝压花成型, 非对称型配光, 眩光控制好.

Some principles in preparing of high purity oxide are briefly discussed.

简要分析了高纯氧化镁合成中的一些工艺原理.

A new process for producing high-purity silica acid is introduced.

介绍一种用氟硅酸制高纯二氧化硅的新工艺.

These products are with high purity, strong decolorizing power, and quick filtration.

本品纯度高 、 脱色力强 、 过滤速度快.

A high purity, high viscous organic anti-sediment agent was developed.

研制了一种高纯度 、 高粘度有机防沉剂.

The invention relates to a high optical purity toughened copolymer film or coating.

本发明涉及一种光学纯度高的、增韧共聚物膜或涂层.

The optical purity of cis-R ( + )-and cis-S (-)-DCCA was 93.7 % and 81.8 % , respectively.

顺式 -R ( + ) - 和顺式 -S ( - ) - 二氯菊酸光学纯度分别为93.7%、81.8%.

While print art born from typography has dismantled the function of image copy undertaken for centuries and has entered the palace of modern art as a kind of art mode with purity and singularity.

而诞生于印刷术的版画艺术，已完全卸掉它负担了几个世纪的复制图像的功能，以一种纯粹的独具魅力的复数艺术，进入现代艺术的殿堂。

The numerical analysis of this ECRM shows that this configuration nay operate at millimeterand submillimeter wavebands effectively and provide very high output power with high mode purity.

前者使它能有效地工作在直到亚毫米波段，后者能提供强大的输出功率。此外谐振腔优异的模式分割能力有利于提高模式纯度并保证稳定的工作。

Effects on mode purity of the parameters of input coupler structure are compared and a wide-band, high mode purity input coupler is designed.

比较了耦合器各个结构参数对模式纯度的影响，最终设计出了高模式纯度宽频带输入耦合器。

An input coupler for the Ka-band second harmonic gyroklystron is proposed and studied using three-dimensional electromagnetic code in this paper. High mode purity of a circular TE_ ( 021) mode in an input cavity is obtained.

研究结果表明，该输入耦合器具有较高的能量耦合效率，并能在Ka波段获得高纯度的TE021谐振模式。

With the help of field match method and HFSS, an input coupler with high mode purity is simulated and optimized.

利用场匹配方法优化设计了输入耦合器，利用高频模拟软件HFSS分析了耦合器中的模式纯度。

Effective air handling and regeneration system is needed to wipe off harmful impurity inside enclosed space and to maintain required air purity and necessary gas element since the air inside the enclosed space can't exchange with the atmosphere.

封闭舱室不能与大气中的空气进行交换，必须去除舱室中有害杂质，维持必需的气体成分和纯净度，需要一套有效的空气调节和再生装置来完成这一任务。