自动阀

Balancing valve have some great pressure within the air-conditioning equipment to limit the maximum flow, automatic constant flow characteristics, in the large-type, complex, air conditioning load is not constant heating works, a simplification of the system into debugging, and shorten the debugging time.

平衡阀具有在一定的压力范围各种阀门种类和原理内限制空调末端设备的最大流量、自动恒定流量的特点，在大工型、复杂、空调采暖负荷不恒定的工程中，简化了系统调试过成，并缩短了调试时间。

Balancing valve have some great pressure within the air-conditioning equipment to limit the maximum flow automatic constant flow characteristics in the large-type complex air conditioning load is not constant

平衡阀具有在一定的压力范围内限制空调末端设备的最大流量、自动恒定流量的特点，在大工型、复杂、空调采暖负荷不恒定的工程中，简化了系统调试过成，并缩短了调试时间。

As for hydraulic excavator routine three lever power models,pump engine match principles and realization methods are expounded,then the characteristics of load sense system are analyzed,and the conflict between load sense control and pump engine match is clarified.

就液压挖掘机中常见的三档功率模式，详细地阐述了泵与发动机的匹配原理及其实现方法，分析了负荷传感系统的特点，阐明了负荷传感控制与泵、发动机匹配相矛盾的实质，提出了在保留泵与发动机匹配时应舍弃负荷传感控制的论点，对于泵与发动机匹配时的液压回路进行了较深的探讨，提出了由计算机依据泵与发动机匹配的原则，通过主阀自动调节和分配各执行器流量和功率的新的学术思想，推导了相关的公式。

With all the automatic back wash piping, valves, manometers and

过滤：包括沙滤器，活性炭过滤器和微滤器，过滤单元应包含自动反洗管道，阀，压力表和控制部分。

How it works: decompression works is the use of diaphragm, spring and piston and other sensitive components, to change the valve core and valve seat of the gap to achieve the automatic decompression purposes.

工作原理：减压工作原理是利用膜片、弹簧和活塞等敏感元件，改变阀芯与阀座的间隙来达到自动减压的目的。

The effect of new automatic filter and pressure relief valve are intr.

介绍自动滤水器及减压阀在丹江口水电厂的应用效果。

With the application of theory and technology of programmable logic controller -PLC, the control system of transplanting potted seedlings manipulator was developed. First, the hardware of control system for transplanting seedlings manipulator was designed in detail, including the implement components, electrical control components and sensors. Then the design and selection of cylinder, solenoid valve and travel switch, configuration of I/O interface and wiring of PLC were completed and ladder chart and repertoire were drawn up.

应用PLC技术设计开发了穴盘苗自动移栽机械手的控制系统详细地介绍了硬件结构即电气系统的设计，包括气缸、电磁阀及行程开关的选择、IO接点的分配及PLC接线图的设计，编制出机械手运动过程梯形图和指令表程序，完成了控制系统的安装和调试。

With a reverse acting valve plate to adapt to the automatic shutdown system operation.

带有反向作用板的闸阀，适应于自动关断系统操作。

Industrial control and data acquisition, which is a pulse valve control source, the control experiments.

工业控制和数据采集，这是一个脉冲阀的控制原代码，自动控制实验过程。

Apply to motor vehicles, petroleum, chemical, pharmaceutical and automatic control valve system.

适用于汽车、石油、化工，制药及自动控制系统中的调节阀。

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。