自动阀

Detector the gas strength which examines the sensor transforms the electrical signal, passes commits a footfault the cable to transmit the controller, the gas strength is higher, the electrical signal is stronger, when the gas strength achieves or surpasses the alarm point which the warning controller establishes, the alarm apparatus send out the alarm, and may start the solenoid valve, the exhaust fan substandard association equipment, removes the hidden danger automatically.

探测器将传感器检测到的气体浓度转换成电信号，通过线缆传输到控制器，气体浓度越高，电信号越强，当气体浓度达到或超过报警控制器设置的报警点时，发出报警信号，并可启动电磁阀、排气扇等外联设备，自动排除隐患。

This paper describes the assembly method of the Aeromagnetic Gradiometric System which can be used not only in horizontal (including transverse and longitudinal plane) but also in vertical gradient survey on the Y-5 fixed-wing aircraft with the single engine and the double wings. The method and the results of applying AADCⅡ Automatic Aeromagnetic Digital Compensator are also preliminarily discussed.

介绍了在单阀双翼的运五飞机上安装既可进行垂直梯度测量，又可进行水平梯度测量（包括横向和纵向水平梯度测量）的航磁梯度测量系统的方法，初步探讨应用航空地球物理综合测量系统自动航空磁力数字补偿仪的方法，并对补偿结果进行评价。

Pass and export the passway in the form of information, send out and control the order in time , control the opening and stopping of the press, operation and conversion , Stone of valve of air blower movement, in order to realize automatic control in central air conditioner is it go on the regulation of the air to the air conditioner room to come.

以信息的形式通过输出通道，及时发出控制命令，控制压机的启停，风机的运行和四通阀的转换等动作，以实现对中央空调的自动控制来对空调房间进行空气调节。

Based on the characteristics of the chip we designed to control the hydraulic servo system for the core of this system, control circuit valve using digital potentiometer, through programming, automatic regulation resistance, high AD698 and accurately by an LVDT valve mechanical displacements converted single polarity dc voltage, through the simulation, the design of PID algorithm of closing valves, the degree of control system and superordination machine, realize the valve control circuit of adjustment and control.

基于上述特点我们设计了以单片机为控制核心的液压伺服阀控制电路，本系统采用数字电位器，通过编程自动调节电阻值，采用AD698 与LVDT 配合，高精确地将阀门的机械位移转换成单极性直流电压，通过模拟PID调节算法，设计实现了对阀门开合程度的控制，该系统与上位机进行通信，实现对阀门控制电路的调试及监控。

The direct reverse circulaeion tor dyeing is executed by change ralve inside the pump .The impeller inside the pump can provide large flow and enough head coelicient for yarm dyeing procredure.Due to its strong penetrbility,it is suitable for very difficrlt texture and various kinds of textures.The dyed textrue is with high color fastness and good uniform dyeing effects.

其染液正反循环通过泵内的换向阀自动完成，泵内叶轮能为染纱过程提供大流量和足够扬程系数，其穿透性强，适染高难织物，被染织物色牢度高，具有很好的匀染效果，适染多种织物。

AMF electromagnetic flowmeter function characteristic: The entire Chinese menu, the large screen four line of high definition LCD back light demonstrated: 1st, does not need to hit the starting blank pipe warning function; 2 provide the sensing sensor section misalignment revision function; 3 frequency quantities output 4----the 20MA output, flows to the output, the cumulant pulse output; 4 cumulant valve value outputs the RS485 output; 5 use the international advanced fabrication technology, the stable property, remarkable; 6 input the port to be equipped with the safe anti-radar protection; 7 automatic controls, the measuring range bound may establish voluntarily; 8 regurgitation to measurement; 9 small signal excisions; 10 use highly effective, the high stability PWM wave excitation constant current; 11 damping times elect; after 12 power failures, data long-term preservation; 13 scaling factors not fluid characteristic, active status, influences and so on conductivity.

AMF电磁流量计功能特点：中全中文菜单，大屏幕四行高清晰度LCD背光显示：1，无需打开机空管报警功能；2 提供传感传感器段非线性修正功能；3 频率量输出4----20MA输出，流向输出，累积量脉冲输出；4 累积量阀值输出RS485输出；5 采用国际先进的制造工艺，性能稳定，卓越；6 输入端口均设有安全防雷保护；7 自动调节，量程上下限可自行设定；8下反流向计量；9 小信号切除；10 采用高效，高稳定度PWM波励磁恒流源；11 阻尼时间选；12 断电后数据长期保存；13 仪表系数不受流体特性，工作状态，电导率等影响。

Check valve Jangled nerves - used to automatically reduce pipelines and equipment in the medium pressure.

减压阀—用于自动降低管道及设备内介质压力。

The author ' s opinions related to the automatic sprinkling fire system design such as the nozzles, pipeline network, installation of alarm valve and the protection of the system are proposed on the basis of personal experiences in practice for years.

根据多年工作经验，就自动喷水灭火系统的喷头、管网、报警阀设置、系统的保护面等问题提出己见。

The liquid level can be measured. Said upper- and lower-limitation alarm is sound-light alarm. The valve can be controlled. The impurities in valve can be automatically removed by the reciprocating movement of valve, resulting in more convenient and more safe liquid level control.

本发明可对液位进行测量，具有上、下限报警功能，同时可以控制阀门开／关，并可通过阀门的往复运动自动清除阀内杂质、使液位控制更简便、更安全。

Note automatic leak control arm cylinder valve and locked balance valve.

说明内泄出自动臂缸的控制阀及锁死平衡阀。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。