制冷剂

According to the tracing view of material point, a general numerical simulation algorithm is established in order to apply for refrigerant's various phase areas.

基于制冷剂流体质点追踪计算观点，建立了适用于制冷换热器各相区的通用数值仿真算法。

This paper put forward a refrigeration system with CO2 vapor-solid particles as refrigerant, by which the temperature lower than the triple point is achieved.

提出一种利用CO2蒸气固体颗粒作为制冷剂的制冷系统，可以以CO2为工质获得三相点以下的温度。

The method of calibration of a new kind of capillary viscometers developed in our previous work as well as the operation method of the viscometer is put forward.

提出了一种使用改型的毛细管粘度计精确测量制冷剂饱和液粘度的新的标定和测量方法。

Solar-energy water-heater ; air-source heat pump ; flow rate of refrigerant gas ; energy adjustment

太阳能热水器；空气源热泵；制冷剂气体流量；能量调节

Design Principle : With the horizontal motional design, the wear-out of the system can be reduced, and gas leak avoided.

这种设计减少了磨损，密封性高，有效地防止了制冷剂的泄漏。

L and 72L liquefied propane cylinders of liquefied propylene; 18L, 26L, 28L, 35L, 70L, 80L, 105L, 118L Series liquefied bromomethane cylinders; 400L, 800L liquid chlorine, liquid ammonia cylinder; 720L cylinders and three sulfur 926L, 1180L large size cylinders; 40L, 60L, 82L, 118L, 400L, 800L, 926L, F21, F22, R32, R134a refrigerant and other agents and other specifications of industrial gas cylinders.

b。 12.2L、40L液化丙烷和72L液化丙烯钢瓶；18L、26L、28L、35L、70L、80L、105L、118L系列液化溴甲烷钢瓶；400L、800L液氯、液氨钢瓶；720L三氧化硫钢瓶和926L、1180L大规格钢瓶；40L、60L、82L、118L、400L、800L、926L、 F21、F22、R32、R134a等各种制冷剂及其它规格工业气瓶。

The power station at Chena uses the spring water to heat up R134a, a fluid hitherto employed mainly as a refrigerant.

位于契那的发电厂使用温泉水加热一种如今广泛使用的制冷剂——

First, a system for providing liquid refrigerant subcooling (10), subsequent to the subcooling accomplished by the primary condenser of an air conditioner, refrigeration or heat pump system, by means of evaporative cooling utilizing the condenser water of said air conditioner, refrigeration or heat pump system and/or some other water supply to wet the surface of the subcool heat exchanger and then passing the cold, dry building exhaust air (13) required for good indoor air quality across the wetted surface of the subcool heat exchanger or by using building exhaust air only to conductively subcool.

首先，一个提供液态制冷剂过冷的系统(10)，在由空调、制冷或热泵系统的主冷凝器实施完成过冷之后，通过蒸发冷却，利用所述空调、制冷或热泵系统的冷凝器水和/或一些其它水源来润湿过冷热交换器表面，然后使为达良好质量室内空气所需的建筑物干冷排气(13)通过穿过过冷热交换器的润湿表面，或只利用建筑物排气以传导方式过冷。

Safety features include high and low-pressure refrigerant controls to protect the compressor hot water high-limit desuperheater pump shutdown.

安全功能包括高，低压制冷剂控制，保护压缩机热水高限减温器泵关闭。

Evaporator heat exchanger, refrigerant suction lines, desuperheater coil and all water pipes are fully insulated to reduce condensation problems in low temperature operation.

蒸发器换热器，制冷剂吸线，减温器线圈和所有水管全绝缘，以减少低温冷凝操作的问题。

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。