查询词典 water system

Systematic isopiestic measurements have been made at the temperature 298.15K for the quaternary system {water (A1)+methanol (A2)+sodium bromide + ammonium bromide} with the mass ratios of water: methanol=9∶1 and 4∶1 and for the quinary system {water (A1)+methanol (A2)+ethanol (A3)+sodium bromide +ammonium bromide} with the mass ratios of water: methanol: ethanol=18∶1∶1 and 8∶1∶1, which were the first isopiestic determining examples for mixed solvent systems.

本文系统地测定了298.15K时混合溶剂各组元质量比为w〓∶w〓＝9∶1和4∶1的四元系{H〓O+甲醇(A2)+NaBr+NH〓Br}和w〓∶w〓∶w〓＝18∶1∶1和8∶1∶1的五元系{H〓O(A1)+甲醇(A2)+乙醇(A3)+NaBr+NH〓Br}的等压平衡，是混合溶剂体系等压性数据的首例。

The water storage function of condenser is the must not only for gathering and storing condensed water, various water repellence of thermal system, exhaust steam and chemical feedwater, but also for cushioning dramatically changing turboset flow during the operation, improving the stability of system regulation and ensuring the essential water-absorption pressure head of condensation pump.

凝汽器的蓄水作用既是汇集和贮存凝结水、热力系统中的各种疏水、排汽和化学补给水的需要，也是缓冲运行中机组流量急剧变化、提高系统调节稳定性的需要，并且是确保凝结水泵必要的吸水压头的需要。

Building-type air cooled cool water and hot water unit is central air-conditioning system using the air as the refrigeration source , the water as the refrigeration agent . As the equipment integrating the refrigeration and hearting generation , the air cooled water and hot waterunit omits the cooling tower and its corresponding tube system , its structure is simple and economizes much installation space , the maintenance and management is very convenient , the utilization is wide .

户式风冷冷热水机组是以空气为冷源，以水为供冷介质的中央空调机组，作为冷热兼用型的一体化设备，户式风冷冷热水机组省却了冷却塔及相应管道系统等许多附件，系统结构简单，安装空间节省，维护管理方便且节约能源，适用广泛。

The field survey, sampling, testing and collection of the geological and hydrogeological data were done for the description of evolutional geological structure and sedimentation and division and definition of water-bearing system and hydrogeological age and hydro-pressure system and study of the vadose field and chemical field. By establishing the rammer numerical model, the sandy mudstone thickness recovery model, water-rock interaction particle translative simulation and hydrogeochemical simulation, and using geological statistics, analogism and complex analysis method, water circulation and water exchange of each layer in each study stage have been researched, The results show the regularity of the vadose field evolution in different stages.

本项以野外调查、采样测试和搜集的地质、水文地质大量第一性资料为依据，在论述盆地的地质构造演化、沉积演化的基础上，以含水系统、水文地质期和水压系统类型的划分和定位为研究的切入点，渗流场、化学场为研究主线，通过建立压实数学模型、砂泥岩恢复厚度数学模型、水岩作用物质成分转移的实验模拟、水文地球化学模拟、地质统计法、类比法、综合分析法等方法，模拟计算了各研究层在各研究时期水循环特点和水交替强度，揭示了各研究层渗流场在地史进程中形成演化的规律性。

As water resource is the indispensable material in life and its security is emergent, the development of water security evaluation and assurance system is desiderated so that we can recognize the water security position through system method and can discuss measures and methods to ensure water security.

由于水资源是维持生命所必需的物质，其安全保障问题迫在眉睫，因此亟需建立起水安全评价体系及水安全保障体系，通过系统的方法和技术认清水安全形势，探讨保障水安全的措施和方法。

The this design basis related standard, in the consideration energy conservation and under the comfortable request's premise, the refrigeration engine room supposes in underground one, selected has opened the advantage factory piston cold water unit, in the refrigeration engine room establishes the circulating water pump, the supplies water pump, to divide the water collector, the zeolite softener and so on supporting facility; The air-conditioning system uses the air blower serpentined to add the new atmosphere system, each has the corresponding new atmosphere unit, the indoor load mainly undertakes by the air blower serpentined.

本设计依据有关规范，在考虑节能和舒适性要求的前提下，制冷机房设于地下一层，选取了开利厂家活塞冷水机组，制冷机房内设置了循环水泵、补给水泵、分集水器、软水器等辅助设备；空调系统采用风机盘管加新风系统，每层都有相应的新风机组，室内负荷主要由风机盘管承担。

In PT-2B SERIES CONTROLLING MODLE the automatic sprinkler system, alarm valve is a critical component, and its role to three factors: connect or disconnect the water supply, the output alarm signal and the prevention of water pumped back into the water supply source, and through the alarm valve can be installed on the system of water supply and alarm device for testing.

在自动喷水灭火系统中，报警阀是至关重要的组件，其作用有三：接通或切断水源、输出报警信号和防止水流倒回供水源，以及通过报警阀可以对系统的供水装置和报警装置进行检验。

In the automatic sprinkler system, alarm valve is a critical component, and its role to three factors: connect or disconnect the water supply, the output 600X Hydraulic Electric Control Valve alarm signal and the prevention of water pumped back into the water supply source, and through the alarm valve can be installed on the system of water supply and alarm device for testing.

在自动喷水灭火系统中，报警阀是至关重要的组件，其作用有三：接通或切断水源、输出报警信号和防止水流倒回供水源，以及通过报警阀可以对系统的供水装置和报警装置进行检验。

Research on water hammer with gas in pressure conduit system Through physical experiments, researches on pressure conduit system with gas releasing and liquid column separating, which consist of observing flow patterns, testing the conditions under which liquid column separation brings into existence and the water hammer in water interception collision, and studying effects resulting from gas content and different water velocities in pipeline, was done.

输水管道系统中含气水锤研究通过物理试验，对有压输水管道系统中的气体释放与液柱分离进行了研究，观察其流态、测试液柱分离发生的条件及断流弥合水锤压力，研究了含气量、流速等参数对液柱分离的影响。

The whole system has no dangers such as the flammables , explosive , poison , erosion , short circuit and electric shock in the traditional water heating system , the hot water is gained through the heating exchange between the high temperature refrigerant and water , the water

整个系统的运行无传统热水系统中，能存在的易燃、易爆、中毒、腐蚀、短路、触电等危险，热水通过高温冷媒与水进行热交换得到，电与水在物理上分离，是一种完全可靠的热水系统。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。