供水

In order to solve these problems, this paper combines control technology and transducer technology to research constant pressure water supply system. Two independent sub-systems are irrespectively built with water place sensor and pressure sensor.

为了解决这些问题，本文采用控制技术和变频调速技术相结合的方法来研究恒压供水系统，该系统与现场液位传感器、压力传感器一起组成了两个独立的闭环控制子系统。

Two independent sub-systems are irrespectively built with water place sensor and pressure sensor.

为了解决以上这些问题，本系统采用控制技术和变频调速技术相结合的方法来研究恒压供水系统，该系统与现场液位传感器、压力传感器一起组成了两个独立的闭环控制子系统。

In chapter four the realtime integrated optimal operation of reservoir and canal irrigation systems under limited water supply is studied based on self-tuning adaptive control theory.

第四章基于自校正自适应控制的思想，研究了有限供水条件下水库与田间配水整合实时优化调度模型。

The main innovation of the thesis includes the research thinking of multireservoir operation is put forward in the integrated optimal operation of reservoir and canal irrigation systems, and the optimal control theory is introduced, and the limitations in the earlier works are removed.

本文主要的创新之处在于采用水库群调度的思路研究有限供水条件下水库和田间配水整合优化调度问题，并将优化控制理论引入到本文研究中，解决了前人模型中的缺陷。

The article describes a process control system based on ethernet and fieldbus technology. This system can complete parameter control, storage and analysis, such as temperature, pressure, flow rate and level. In the process of control, we use PID algorithm and realize isobaric water supply, then complete the stabilization of water tank.

利用以太网，结合西门子现场总线搭建了过程控制平台，完成了对温度、压力、流量和液位这些典型过程参数的采集、存储和分析，并利用PID算法通过对变频器、电控阀门的控制，实现恒压供水任务，进而完成对于水箱液位稳定的控制。

Hubei Dongfeng special type car, production and sales of Dongfeng dump truck, road Wrecker (Tow Wrecker type of road, flat road of a drag-II Wrecker, multi-function type of road Wrecker), road sweeping truck (dry Type of road sweeping vehicles, multi-functional full-suction road sweeper), tankers, chemical tankers, Sprinkler (spray-type sprinklers, washing-type sprinkler, spraying - flush-type sprinkler), fecal suction sewage suction truck, garbage truck (swing arm type garbage truck, Kakei Self-loading garbage truck, compression type garbage truck, garbage truck compartment removable, sealed dump garbage trucks), vans, refrigerated trucks:, dairy products, vegetables and fruit, vaccines drugs, Truck crane, electric power engineering vehicles, fire engines (pump fire engines, water-tank fire, foam fire engines, high-powered foam of fire engines, fire engines carbon dioxide, dry powder fire engines, foam - dry powder combined with fire engines, airport rescue pilot fire engines, airport rescue fire engines, lifting a high jet of fire engines, hydraulic platform trucks, ladder truck vehicles, communications, command and fire engines , lighting, fire engines, rescue trucks, surveying fire engines, smoke fire engines, water supply, fire engines, for the liquid fire engines, equipment, fire engines, rescue trucks, fire engines promotion, OS system, fire trucks), bulk cement truck , semi-trailer, high-altitude operation vehicle (folding arm aerial vehicles, telescopic boom aerial vehicles, hybrid arm aerial vehicles, self-propelled aerial vehicles) and other special type of hundreds of Dongfeng and Dongfeng series of vehicles and spare parts of cars and special-purpose vehicles chassis.

中国湖北东风专用特种汽车，生产销售东风自卸车、道路清障车(拖吊型道路清障车、平板一拖二型道路清障车、多功能型道路清障车)、道路清扫车（干式道路清扫车、多功能全吸式道路清扫车）、油罐车、化工罐车、洒水车（喷洒式洒水车、冲洗式洒水车、喷洒-冲洗式洒水车）、吸粪吸污车、垃圾车（摆臂式垃圾车、挂桶式自装卸垃圾车、压缩式垃圾车、车厢可卸式垃圾车、密封自卸式垃圾车）、厢式车、冷藏车：（食品冷冻车、奶制品、蔬菜水果、疫苗药品、随车吊、电力工程车、消防车（泵浦消防车、水罐消防车、泡沫消防车、高倍泡沫消防车、二氧化碳消防车、干粉消防车、泡沫－干粉联用消防车、机场救援先导消防车、机场救援消防车、举高喷射消防车、登高平台消防车、云梯消防车车、通讯指挥消防车、照明消防车、抢险救援消防车、勘察消防车、排烟消防车、供水消防车、供液消防车、器材消防车、救护消防车、宣传消防车、OS系统消防车）、散装水泥车、半挂车、高空作业车（折叠臂高空作业车、伸缩臂高空作业车、混合臂高空作业车、自行式高空作业车）等数百种东风专用特种车辆和配件及东风系列整车和专用汽车底盘。

We are waiting for water and gas to be lain on.

我们在等待供水和供气。

For example, using up more land to build rail and water networks can destroy landscapes and habitats.

例如，使用了更多的土地来建设铁路和供水网络可能会破坏景观和栖息地。

Near the shore is a two-lane highway, some landscaping watered by the county water system (which brings water down from K by aqueduct, basically), and a lot of k, also known as mesquite.

Near岸边是双车道的高速公路，一些美化，县供水系统浇水（这使淡化从K的管道，基本上），和很多的k，也梅斯基特众所周知的。

In order to reveal the difference between hourly reference crop evapotranspiration(ET0) calculated by FAO56 Penman- Monteith equation and that by ASCE Penman-Monteith , as well as the 24-hour accumulated daily ET0, well watered lysimeter experiment were carried out on turf grass.

为了揭示ASCE和FAO56两种Penman-Monteith公式在计算小时参考作物腾发量（ET0）时的差异，开展了充分供水草坪草腾发量观测试验。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐