查询词典 flow control

The transmission and print system for shunting trip plan is the important part of railway marshalling station management information system, whose first generation is based on the transmission system of IPC and the second generation is based on embedded and dedicated transmission gateway system. Based on this, the paper studies and proposes a system structure suitable for remote maintenance and management and further optimizes the control of information flow.

钩计划传输与打印系统是铁路编组站信息管理系统的重要内容，第一代是基于工控机的传输系统，第二代是基于嵌入式专用传输网关系统，在此基础上，研究提出了适合于远程维护和管理的系统架构，并对信息流控制做了进一步优化。

Train trestle bridge ; automatic loading ; measurement ; control system ; mass flow meter ; verification

火车栈桥；自动装车；计量；控制系统；质量流量计；检定

By using mass flow meter in the front of petroleum products tubing of oil filling riser of centralized trestle bridge, the quality of the petroleum products flowing by can be verified, thus batch control and accurate measurement of the whole petroleum-paying operating process are realized.

系统在集中式栈桥大鹤管前端油品管线上安装质量流量计，直接测量流过油品的质量，并实现对整个付油过程的批量控制和准确计量。

By analysising cost and output for low yield oil wells, in the paper, the method of flow switch is used to judge if the well bore has the oil flows, which change the traditional experienced method (touch the beam hangers temperature and look if it has the oil film) and the present automatic liquid level monitoring manner, and it is the closed-loop control and reduce the intensity of labour and the cost of the production. The hill-climbing mathematical method is considered as the most effective way.

论文中采用了流量开关的方法判断井口是否出油，打破了传统用经验判断(看抽油杆是否发热、是否附有油膜)的方法和现有的自动液位监测仪判断方法，形成了闭环控制，降低了劳动强度和减少了生产成本；并将数学方法上的瞎子爬山法用在了本优化控制系统中。

This project mainly Yuzui watershed embankment, Feisha spillway weir, three-bottle most of the intake and Baizhang embankment, were the words ancillary works on a dike, scientific solution to automatically divert the river (Yuzui watershed embankment 40 6 watershed), the automatic flushing (Yuzui watershed sand embankment on February 8 points), control water flow and other issues, eliminate the flooding, the West Sichuan Plain to become a "people from the flood and drought""Land of Abundance."

这项工程主要有鱼嘴分水堤、飞沙堰溢洪道、宝瓶口进水口三大部分和百丈堤、人字堤等附属工程构成，科学地解决了江水自动分流、自动排沙、控制进水流量等问题，消除了水患，使川西平原成为&水旱从人&的&天府之国&。1998年灌溉面积达到到66.87万公顷，灌溉面积已达40余县。

In order to control the steam temperature at the outlet of the primary superheater of a 1000 t/h once-through boiler, the start up condition is analyzed in accordance with the concept of " isenthalpic switchover" and it is suggested that the ratio of fuel feed to steam flow through the primary superheater before the switchover during cold startup be used as the criterion for judgement.

为控制1000吨/时直流锅炉低温过热器出口汽温，本文系根据&等焓切换&原理对锅炉启动工况作了分析，并提出以冷态启动切分前锅炉燃料量与低温过热器工质通流量的比值作为判断依据。

And this course of change of water level of steam dome caused to perturbation of water flow can pass experiment test and receive the accurate mathematics model with data processing , can design the routine controller to control like this, and can reach very good result.

而给水流量的扰动造成的汽包水位变化这一过程可以通过实验测试和数据处理得到精确的数学模型，这样就能够设计常规控制器来控制，并能达到很好的效果。

And this course of change of water level of steam dome caused to perturbation of water flow can pass experiment test and receive the accurate mathematics model with data processing , can design the routine controller to control like this, and can reach very good result.

并通过常规三冲量PID仿真与模糊控制仿真进行了一系列对照，结果证明对于那些过程复杂，具有时变性和明显滞后以及难以取得精确的数学模型的系统，模糊控制比传统的三冲量控制更容易实现全自动并且控制作用相当有效。

Power, the solenoid pull-in, moving the upper core of the sealing block with a spring to close the exhaust port, air flow from the inlet into the film first played the role of control.

通电后，电磁铁吸合，动铁芯上部带弹簧的密封块把排气口关闭，气流从进气口进入膜头，起到控制作用。

Control system and PLC flow chart of fluid viscous equipment for speed controlling by differential gear system are designed in this paper.

设计了差动轮系液粘调速装置的机械传动控制系统，以及其PLC 流程图，并对其压力控制系统进行了具体设计，该设计具有广泛的推广作

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。