The relation between quantity of pollution discharge and river water quality is one of key technical problems that environmental management urgently wants to solve. 点源污染物排放与流域水质目标的关系是当前环境管理亟待解决的技术关键问题之一。
Discharge Amount of key Pollutants in Exhaust Emission in Recent Years in the Whole Country Unit: 10 thousand tons 全国近年废气中主要污染物排放量单位:万吨
It is important to safely and economically solve flood discharge and energy dissipation during the course of the key layout of high concrete dam hydro-junction. 在高混凝土坝枢纽布置中,安全经济地解决枢纽的泄洪、消能问题对于枢纽布置有重要意义。
Discharge Amount of Key Pollutants in Exhaust Emission In 2001, the discharge amount of SO2 in the exhaust emission in the entire country hit 19.478 million tons. 废气中主要污染物排放量2001年,全国废气中二氧化硫排放总量1947.8万吨。
Partial discharge ( PD) is one of the key factors in insulation failure of inverter-fed traction motor. 局部放电是导致变频电机绝缘失效的主要原因之一。
Discharge of Domestic Pollutants by Key City Key River Basins and Offshore Marine Areas 重点城市生活污染物排放情况重点流域及近岸海域统计
By using an ultra-wide frequency band partial discharge detecting system, the discharge signal from disk-type spacer in key part of 110 kV GIS ( which is used in Yuquan power supply substation) is acquired and studied. 采用超宽频带局部放电测试系统,研究了玉泉变运行中的110kV电压等级GIS各关键部位盘式绝缘子的超宽频带局部放电信号。
The incineration temperature selected in incinerating organic wastewater and discharge of specific pollutant are illuminated, and several key issues encountered during handling organic wastewater by incineration in the world are described. 论述了有机废液焚烧处理时焚烧温度的选择、特殊污染物的排放、有机废液焚烧所面临的问题等几个关键问题。
This article is to introduce the working principle of high-efficiency air floatation used in treating oily discharge, key technique point of the equipment and the condition of its running. 介绍EGFU高效气浮在含油污水处理中的工作原理,设备的技术关键点及运行情况。
Enhancement of slurry discharge is the key to raise the efficiency in the production of sedimentation by machines. 在机淤生产中加大泥浆流量是提高机淤生产率的关键。
The accurate control of single pulse discharge energy is one of key techniques in micro-EDM. 放电单脉冲能量的精确控制是实现微细电火花加工的关键技术之一。
Obtaining the partial discharge ( PD) characteristic is one of the key issues of PD ultra-high frequency ( UHF) detection. To study the relation between PD pulse current and its UHF signal is helpful to the insulation diagnosis. 获取局部放电(PD)特征信息是局部放电特高频(UHF)检测的关键问题之一,研究UHF信号与PD脉冲电流之间的关系有助于绝缘缺陷的诊断。
In an unintermitted DC regulated power supply system, the charge and discharge control of the batteries is a key of guaranteeing the normal working of the load after the power is cut off. 在不间断直流稳压供电系统中,蓄电池的充放电控制是保证负载在断电后能否正常工作的关键。
It is showed that the appropriate design for inlet elevation, diameter and planar situation of a flood discharge tunnel is the key to the sedimentation engineering design for a reservoir. 实践经验表明,水库工程泥沙设计的关键在于合理确定泄洪排沙洞的进口高程、洞径及其平面位置。
How to identify key pollutants and to reduce the discharge of key pollutants as much as possible is a practical problem. 如何确定主要污染物并尽可能地降低主要污染物的排放量是一个实际问题。
The statistics on the measured data in a oil-field shows the submergence depth and discharge coefficient are very low, some key measures for improving discharge coefficient and sucker rod pump performance are presented; 通过对某具体油田区块测试数据分析,指出该区块油井存在沉没度、排量系数低的现象,提出了提高抽油泵排量系数、改善工作性能的措施。
The valve discharge coefficient is the key to optimized operation of piping systems, since the valves control the flow and pressure in long-distance conduits in water transfer projects. 阀门的过流特性以及水击压力控制是输水管道优化运行的关键技术之一。
So detection and location the Transformer inner partial discharge source is the key task of transformer maintenance, it is also emphasized by electric power operating utility. 因此,局部放电检测是变压器状态检修的关键工作之一,也是电力运行部门的重点关注对象。
And discharge power is the key factor determining the performance of ionic wind. 相比于电极直径、电极间距等因素,放电功率才是决定离子风性能的关键因素。
The model in this thesis checks the influence of different ratio biomass content in raw material on synthesis gas and discharge of CO2.The key of high-efficient synthesis gas to FTL is its catalyst choice. 本文建立的模型核算了原料中不同比例生物质含量对合成气的影响以及C02排放的影响。高效的合成气制费托油关键在于其催化剂的选择。
Based on the function of the power plant in need and the calculation of gas flow, cooling water flow, humidification, discharge coefficient, and other key parameters, this paper makes selection for valve, flow meter, solenoid valves, sensors and other components. 根据动力装置需要实现的功能和通过对气体流量、冷却水流量、加湿量、流量系数等关键参数的计算,对调节阀、流量计、电磁阀、传感器等零部件进行了选型。
The pulse powersupply is the most important part of electric discharge machining machine tool. Itis one of the key equipments that influence various parameters of EDM. 脉冲电源是电火花加工机床的主要组成部分,并且是影响电火花加工工艺指标关键的设备之一。
CO2 is widely used as an important resource, and the discharge of CO2 is also the key cause of the global warmth. 二氧化碳作为一种重要的资源用途广泛,同时二氧化碳的排放也是造成全球变暖的主要原因,所以有效的回收二氧化碳既可以节约资源也可以减少大气污染和温室效应。
Formation and capacity testing are two important process for the secondary lithium battery production procedure. And the battery charge& discharge system are the key parts for related production equipment. 在二次锂电池生产过程中,化成和容量测试是非常重要的两道工序,对生产设备而言,则主要是电池充放电系统。
With increasing of the discharge voltage, the corona discharge will play a key role in the whole process. 而随着电压的提高,电晕放电在整个过程中将起到主导作用。
Sediment delivery ratio is a good connection between amount of soil erosion and the sediment discharge. It is a key factor to define the change of erosion and sediment production in a basin. 泥沙输移比将流域土壤侵蚀量和输沙量很好的联系在一起,长期以来被作为判断流域侵蚀与产沙变化特征的重要因素。
Flood discharge and energy dissipation is always a key factor for water-control projects. 一直以来,泄洪消能的安全问题都是水利枢纽工程建设成败的关键因素之一。
Instructors to promote ovarian follicle and discharge as the key to treatment of PCOS Infertility. 导师把促使卵泡发育成熟并排出做为治疗PCOS不孕之关键。
The research of partial discharge ( PD) location testing is the key project of quality control and insulation mechanism study of transformer. 电力变压器局部放电的超声阵列定位是变压器质量监控与绝缘机理研究的关键研究项目之一。
Because of its excellent properties, such as high power density, high output voltage, long cycle life and low self discharge properties, lithium battery has been the key storage powers for portable electronic devices, computer and satellite. 锂电池具有能量密度高、输出电压高、循环寿命长、自放电率低等优点,成为便携式电子设备、卫星、电脑等领域的主要储能电源。