制冷剂

Injection tube (1) is in the back pressure chamber, which injects gasiform refrigerant.

在背压室具有注入气体状制冷剂的注入管(1)。

The main reasons for the higher efficiency are the elimination of the water pump, the elimination of the water heat exchanger (which is a source of heat losses), and the phase change of the refrigerant in the ground itself, allowing a higher temperature gradient between loop and ground resulting in a higher rate of heat transfer.

为高效率的主要原因是水的泵，水的热交换（这是一个消除热损失的来源），以及本身在地面制冷剂相变，从而使一回路和地面之间的热传递率较高导致较高的温度梯度。

Under the condition of energy-saving and environmental protection, XX industrial conditioners are perfect union of latest refrigeration technique and conservation concept.

在二十一世纪倡导环保节能的大环境下，"XX"工业空调将欧美最新制冷技术与环保概念完美结合，以水为制冷剂，不含"氟里昂"，对大气无任何污染、破坏

A backpropagation neural network model with the input matrix composed of the characteristic indexes of pressure is proposed to classify the running state of refrigerating units in order to diagnose and forecast the leakage fault.

研究了冷库制冷机组制冷剂泄漏的特征，分析了泄漏引发的流量和压力参数变化情况，并提取了反映泄漏故障的特征指标，建立了能对制冷机组运行状态进行分类的神经网络模型，以诊断和预报泄漏故障的发生。

Shenling has taken part in drafting the national standards: Dehumidifiers, energy efficiency limit value of the Chillers and its energy efficiency ratio grade, energy efficiency limit value of the Packaged Air Conditioner and its energy efficiency ratio grade, Rooftop Air-conditioners, Vapor Compression Cycle Chillers, For Industry and Commerce Use and Similar Purpose Chillers, Packaged Air Conditioners, Changeable Air Amount Terminal Units, Aeration Equipment for Air Energy Reclaiming, core documents of quality standards for constructing project products, Positive Displacement Compressing Condensers, Heat Pump Chillers,Modular Air Handling Units,screw type refrigerant compressors, Purchase specification on heating Ventilating and air conditioning equipment for chemical plant.

申菱公司参与起草的产品国家标准：除湿机、冷水机组能效限定值及能源效率等级、单元式空气调节机能效限定值及能源效率等级、屋顶式空气调节机组、蒸气压缩循环冷水机组工商业和类似用途的冷水机组、单元式空气调节机、空调变风量末端装置、空气——空气能量回收通风装置、建设工程产品质量标准核心条文、容积式压缩冷凝机组、热泵热水机、组合式空调机组、螺杆式制冷剂压缩机、化工暖通空调设备采购规定。

Shenling has drafted the following national standards independently: air handling units for operation room, entire fresh air type dehumidifier units and low temperature packaged air conditioners.shenling has taken part in drafting the national standards: dehumidifiers, energy efficiency limit value of the chillers and its energy efficiency ratio grade, energy efficiency limit value of the packaged air conditioner and its energy efficiency ratio grade, rooftop air-conditioners, vapor compression cycle chillers, for industry and commerce use and similar purpose chillers, packaged air conditioners, changeable air amount terminal units, aeration equipment for air energy reclaiming, core documents of quality standards for constructing project products, positive displacement compressing condensers, heat pump chillers,modular air handling units,screw type refrigerant compressors, purchase specification on heating ventilating and air conditioning equipment for chemical plant.

参与起草的16项国家或行业标准是：gb/t 19411-2003《除湿机》、gb 19577-2004《冷水机组能效限定值及能源效率等级》、gb 19576-2004《单元式空气调节机能效限定值及能源效率等级》、jb/t 10538-2005《防爆除湿机及空调机》、gb/t 20738-2006《屋顶式空气调节机组》、gb/t 18430.1-2007《蒸气压缩循环冷水机组第1部分：工业或商业用及类似用途的冷水机组》、gb/t 17758《单元式空气调节机》、jb/t《空调变风量末端装置》、gb/t 21087-2007《空气-空气能量回收通风装置》、《建设工程产品质量标准核心条文》、gb/t 21363-2008《容积式制冷压缩冷凝机组》、gb/t 21362-2008《商用或工业用及类似用途的热泵热水机》、gb/t 14294《组合式空调机组》、gb/t 14296 《空气冷却器与空气加热器》、gb/t 19410《螺杆式制冷剂压缩机》、hg/t 20697-2007《化工暖通空调设备采购规定》。

When used as butyl rubber reaction solvent and refrigerant respectively, methyl chloride and 1,1- difluoroethane (HFC-152a) have critical requirements for their water contents.

一氯甲烷和1，1-二氟乙烷(HFC-152a)，分别作为丁基橡胶反应溶剂和制冷剂使用时，对其含水量有苛刻的要求。

At the first time, microscopical and macroscopical growth photos of gas hydrate have been taken see Fig.

通过建立的可视化实验装置，在国际上首次拍摄到制冷剂水合物的宏观和微观生长图像，见图4。

This refrigerant is being phased out in favour of ozone-friendly R410A for new construction.

这种制冷剂是被淘汰的友好支持臭氧剂R410A 的新建筑。

Presents the design of heating ventilating and air conditioning systems in which low temperature hot water floor panel heating systems in winter,variable refrigerant volume split air conditioning systems in summer,and central ventilation systems through all-year are adopted.

介绍了该工程的供暖系统、空调系统及通风系统的设计。冬季采用低温热水地板辐射供暖，夏季采用变制冷剂流量多联分体式空调系统供冷，全年采用集中新风系统供给新风。

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。