Microwave digestion spectrophotometric determination of COD biochemical oxygen demand meter for seawater 微波消解光度法测定水中化学需氧量海水生化需氧量测定仪
Cumulative demand meter This plant is a gross feeder. 累计式最大需要电量计这植物需要大量肥料。
Sulfur by bomb method biochemical oxygen demand meter for seawater 氧弹法测定的硫含量海水生化需氧量测定仪
The Application of Multistep Water Price in Urban Household Water Demand Regulation biochemical oxygen demand meter for seawater 阶梯式计量水价在城市居民生活用水需求管理中的应用海水生化需氧量测定仪
Quartz crystal differential thermometer thermal demand meter 石英晶体差示温度计
According to the actual demand for the application, the intelligent network system is divided into four different functional parts, which are the environment maintenance subsystem, the security management subsystem, the information appliance subsystem and the automatic reading meter subsystem. 本文根据实际应用将智能楼宇网络系统划分为四个功能体系,包括:环境维护子系统,安全维护子系统,信息家电子系统以及自动抄表子系统,并具体研究了各子系统功能结构。
The water quality indexes, including total nitrogen ( TN), total phosphorus ( TP), the chemical oxygen demand ( CODcr) and pH value, were respectively determined by alkaline potassium persulphate digestion-UV spectrophotometric method, ammonium molybdate spectrophotometric method, dichromate method and pH meter. 分别用碱性过硫酸钾消解紫外分光光度法、比色法、重铬酸盐法测定了灌溉前后灌溉水水质指标总氮、总磷、化学需氧量(CODcr),同时测试pH值。
An intelligent recognition system of meter display value is developed in order to satisfy the demand of automatic recognition of analog meter display value in power system. 结合电力系统中指针式仪表智能读数的需求,完成了智能仪表读数识别系统的软硬件设计。
To meet the demand of real time pricing mode, an intelligent kilowatt hour meter reading system based on power transmission line carrier is presented in this paper. 文章介绍了一种利用电力线载波传输的智能化抄表系统。
Multi-function electronic watt-hour meter has been widely applied in the electric power department, and the growing demand for power measurement and management also promote the development of watt-hour meter technology. 电子式多功能电能表如今已被广泛应用于电力部门,电力计量与管理部门不断发展的需求也一直在促进电能表技术的不断发展。
With the promotion of energy measurement automation and the popularity of large customers meter reading, as well as the full implementation of the policy about energy prices relating to the rate periods and billing, the demand of three phase electronic multifunction watt-hour meter is growing rapidly. 随着电能计量自动化的推广和大用户抄表的普及,以及全国避峰电价政策的全面推行,三相电子式多功能电能表的需求迅速上升。
The simulation result can meet the demand of actual flood forecast when the grid size is less than 800 meter in mountainous area and 400 meter in hill area. 在山区DEM网格小于800米时,丘陵地区DEM网格小于400米时,模拟结果能满足实际洪水预报要求。
The instrument has the following advantages: simple structure, strong anti-interference ability, high degree of integration, low cost, low power consumption, there is much room for development in the market, compare to adapt the market demand of the power meter. 该仪表具有以下优点:系统结构简单、抗干扰能力强、集成化程度高、功能强、成本低、功耗低等,在市场上有很大的发展空间,比较适应电能表市场的需求。
With the rapid growth of electricity consumption in recent years, national power departments need multi-function energy meter to charge the clients more reasonably, and better plan energy production. So the demand of single-phase multi-function energy meter is urgently required. 近年来电能消费急剧增长,各国电力部门需要具有更多功能的电能表更公平合理地收取电费,更好地规划电能生产,因此,对单相多功能电子式电能表的需求非常旺盛。
With the growing electricity demand, the traditional watt-hour meter and charging mode are gradually difficult to meet the needs of contemporary management of electricity. 随着电量需求的日益增加,以往电能表和收费模式逐渐难以满足当代的用电管理。