To guarantee the reliability of measuring, the high concentration of gas should not be used, and should stabilize the testing voltage. The interference of humidity on measuring result can be decreased by testing relative sensitivity.

1、

In the scheme we designed effectively high voltage control circuit. It works accurately to digitally control the testing voltage and testing current.

方案中设计高效高压控制电路，实现测试电压与测试电流的精确数字控制。

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2、

This paper discusses the virtual instrument hardware and software configuration, and two applications in testing of pneumatic components and systems, the testing of pneumatic valve effective area and dynamic characteristics of pneumatic cylinder drive system

以气动阀的有效截面积和气缸驱动系统动态特性的测试为例，讨论了气动元件和系统测试虚拟仪器的硬件软件构成、信号连接以及编程方法

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3、

The paper describes that the principle and design of rubber valve for closing the reflowing holes, comparison testing of mounting the valve, and gets the influence of the mounting the valve and without the valve on the performance of pump.

阐述关闭回流孔的橡胶阀原理及设计方法，进行装阀前后的对比试验，得出装阀与否对泵性能的影响。

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4、

Starting from the analysis on the characteristics of the measured object the accuracy and functions of the system are considered comprehensively. The automatic testing system for balancing valve and d/ p valve which is based on the industrial PC open architecture is introduced.

从分析被测对象的特性入手，综合考虑了系统的精度和功能，介绍了基于工业PC的开放式结构的平衡阀、差压阀自动测试系统。

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5、

Whereas lacking of test equipment for solenoid valve with comprehensive function and advanced technology in our country, a multifunctional and intelligent testing system of solenoid valve is developed in this paper by cooperating with a leading enterprise.

鉴于我国目前尚没有功能完备且技术先进的电磁阀自动检测设备，本论文以某电磁阀生产企业的项目为背景研发了一套多功能和智能化的电磁阀检测系统。

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6、

The main content of the pneumatic and electronic design and test software programming in order to achieve accurate testing of electronic drivers valve.

研究的主要内容是试验台的气路和电路设计及程序编制，以达到准确测试电子式车长阀的目的。

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7、

But in order to reduce the testing cost, the valve of the cooling controlled system needs to be improved.

为了节约测试成本，需要厂家对仪器冷却控制系统的电磁阀门进行改进。

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8、

The Special Clamp for Testing to Double Proportional Valve for Automobile

汽车复式比例阀测试专用夹具

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9、

The Design of Water press Testing Machine for Input valve in Closestool

洁具进水阀门水压测试机的设计

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10、

Analysis of the hydraulic property testing of versatile spherical valve

多功能球阀水力性能测试分析

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11、

Research on Performance Testing of Electronic Expansion Valve

电子膨胀阀性能测试研究

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12、

Development of a Testing System for Proportional Valve

比例阀测试系统的研制

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13、

Development and Application of Pressure Testing Equipment for Pneumatic Valve

气压式阀门试压装置的开发与应用

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14、

Research on the Testing Methods of Safety Valve Discharge Capacity

安全阀排量测试方法的研究

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15、

Research of Testing Error Based on Valve Automatic Testing and Sorting System

气门自动检测与分选系统检测误差的研究

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16、

The characteristics of overflow valve Roots pump and ways of testing the overflow valve differential pressure are introduced. And it is pointed out that the overflow valve differential pressure of overflow valve Roots pump should be examined in test procedure.

介绍了带溢流阀罗茨泵的特点和溢流阀压差的试验方法，明确提出应对带溢流阀罗茨泵考核溢流阀压差。

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17、

The definition of the diaphragm valve specific property, the method and the required of testing JC-50 diaphragm valve specific property are introduced.

介绍了膜片阀的特性的定义及JC-50膜片阀特性测试的方法和要求。

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18、

Study of the bedstand for regulating and testing hydraulic rotary valve of power steering in automobiles

汽车动力转向器液压转阀调试实验台的研究

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19、

The result is that the efficiency of testing electrohydrau1ie servo valve is improved.

整个系统提高了电液伺服阀的测试效率。

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20、

Acoustics testing method for valve inner leakage under pressure

承压阀门内漏声学检测方法

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