查询词典 air conditioning

R12 on the ozone layer due to the destruction of the requirements of the developed countries for environmental protection from 1996 to start using refrigerant R134a Automotive Air-conditioning and the construction of air-conditioning at home in a similar, it is often installed in the compressor engine, and with a belt drive, the condenser installed in the car in front of the radiator, and evaporator in the car inside, and work out from the evaporator of low pressure gaseous refrigerant flows through a high-pressure high-temperature gas compressor After cooling condenser cooling tube cooling into the low-temperature high-pressure liquid, through the desiccant dryers and storage of buffer, and then to a more stable flow of pressure and flow expansion valve, the final expenditure and the flow of relief evaporator.

由于R12对大气臭氧层的破坏，出于环保的要求发达国家从1996年开始改用R134a做制冷剂汽车空调的构造和家用的分体空调类似，它的压缩机往往是安装在发动机上，并用皮带驱动，冷凝器安装在汽车散热器的前方，而蒸发器在车里面，工作时从蒸发器出来的低压气态致冷剂流经压缩机变成高压高温气体，经过冷凝器散热管降温冷却变成高压低温的液体，再经过贮液干燥器除湿与缓冲，然后以较稳定的压力和流量流向膨胀阀，经节流和降压最后流向蒸发器。

To meet the construction requirements, the need Rendering Home and air-conditioning systems-profile, refrigeration room Profile map, water system diagram, Figure air-conditioning systems, refrigeration room adjacent shaft map.

为满足施工要求，需绘制首页、空调系统平剖面图、制冷机房平剖图、水系统原理图、空调系统图、制冷机房轴侧图。

states the characteristics of the condensing-temperature control in variable condenser water flow of central air-conditioning systems. analyses the effects of variable condenser water flow on cop of centrifugal chillers. indicates that although the negative effect is not negligible, it is less than the positive effect on pump's energy-saving and the condensing-temperature control is helpful to the resulting energy-saving for air-conditioning systems by combining with an example.

摘 要：论述了在集中空调冷却水变流量系统中冷凝温度控制法的特点；分析了冷却水变流量对离心式制冷机性能系数的影响；结合实例说明虽然冷却水变流量对于冷水机组制冷性能的负面影响不可忽略，但这一负面影响较对于水泵节能的正面影响要小，采用冷凝温度控制法对于空调系统综合节能是有益的。

States the characteristics of the condensing-temperature control in variable condenser water flow of central air-conditioning systems. Analyses the effects of variable condenser water flow on COP of centrifugal chillers. Indicates that although the negative effect is not negligibleit is less than the positive effect on pump's energy-saving and the condensing-temperature control is helpful to the resulting energy-saving for air-conditioning systems by combining with an example.

摘 要 论述了在集中空调冷却水变流量系统中冷凝温度控制法的特点；分析了冷却水变流量对离心式制冷机性能系数的影响；结合实例说明虽然冷却水变流量对于冷水机组制冷性能的负面影响不可忽略，但这一负面影响较对于水泵节能的正面影响要小，采用冷凝温度控制法对于空调系统综合节能是有益的。

Studies the collective harmonising and control of large space air conditioning, based on the application architecture of building automation equipment and computer control networks, proposes to improve dynamic performance of an air conditioning control system with measurement information redundancy, and describes some control strategies applying an artificial neural network controller to fusing information.

研究了大空间大面积空调系统设备的集群协调控制问题，分析了楼宇自动化设备及计算机网络的应用体系结构，从信息理论的角度提出利用大空间空调系统的测量信息冗余提高动态控制性能的措施，并介绍了采用人工神经网络控制器进行信息融合进而实现协调控制的对策或方法。

It is reported, the aptitude attestation that installs staff this involves 6 large category in all, include air conditioning, central air conditioning, small home appliance, ice to wash, flat TV and computer.

据悉，此次安装人员的资质认证共涉及六大品类，包括空调、中央空调、小家电、冰洗、平板电视和电脑。

The thermoelectric air-conditioning is also called semiconductor air-conditioning, working under Peltier effect to implement functions of refrigeration and heating.

热电空调也称半导体空调，它利用半导体热电材料的珀尔帖效应实现制冷或制热。

According to evaluation of the thermal, hydraulic, environmental and mechanic characteristics and energy performance of building and VAV air-conditioning system, and evaluation of the control performance of local control loops using the simulator of VAV system, this paper presents five on-line supervisory control strategies for local control loops: on-line optimization of VAV supply air static pressure set-point, on-line optimization of AHU supply air temperature set-point, on-line optimization of on/off set of CAV sub-system, on-line optimization of outdoor air set-point and on-line optimization of chilled water secondary pump pressure set-point.

通过数字仿真器对建筑物及其变风量空调系统的热力、动力、环境和能耗等运行特性的模拟，以及对系统常规采用的下位机控制回路可控性和稳定性等控制特性的研究和分析，本文先从局部的角度开展了系统局部优化的研究。提出并在仿真器上分别实施了VAV送风静压设定的实时优化，AHU送风温度设定的实时优化，CAV子系统开／停的实时优化，新风量设定的实时优化以及二级泵冷媒水供水压差设定的实时优化。

By the analysis of heat transfer between air and wall in vertical direction and the mechanism of air flow in large space building, this paper provides a theoretical model that the air temperature in vertical direction can be divided into three zones: temperature-constant air-conditioning zone, main convection zone and top heat stagnation zone.

通过对大空间建筑室内垂直方向上空气与壁面换热和流动机理分析，提出了空气温度在垂直方向上划分为等温空调区、对流主区域、顶部热滞留区域三个区域，建立了对流主区域、顶部热滞留区域求解空气温度的数学模型，推导得到了相应的分析解，提出了计算大空间建筑室内垂直温度分布简易模型。

The economical evaluation mainly depended on parameters of indoor air, supplied air temperature and selection of outlet. The influence of less economizer cycle's operating times due to using cold air distribution systems on annual economical efficiency of air-conditioning system was analyzed.

低温送风系统的经济性评价主要取决於室内参数和送风温度的设定及末端送风方式的选择，分析了省能器循环的减少对低温送风系统全年经济性的影响。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。