查询词典 refrigerating system

In order to improve the refrigerating efficiency of the micro-vortex-tube, we have proposed a cooling system of a micro-vortex-tube with humidifying at the hot end.

为了提高微型涡流管的制冷效率，提出了涡流管热端加湿制冷系统，通过对热端气体加湿降温，获得低于环境温度的气体，同冷端气体一起制冷。

System uses atmosphere as low temperature heat source.It imbibes heat from atmosphere by evaporation of the refrigerating medium in vaporizer and transfers the heat to phase change materials by heat transfer unit then transfers the heat to cool water from cool water pipe.

它利用空气作为低温热源，由蒸发器内制冷剂的蒸发来吸收空气中的热量，通过传热盘管将热量传递给相变储能材料，获取盘管承压，使贮罐形状不受压力容器限制贮能。

Presents the application of lithium-bromide absorption refrigerating and heating machine with flue gas heat recovery in combined cooling heating and power system.

介绍了烟气余热回收利用型溴化锂吸收式冷热水机在冷热电三联供系统中的应用。

Chooses the flat plate collector,a single-stage LiBr absorption type refrigerating machine and a flat plate solar water heater as the major equipment of the system ...

另外还对该技术进行技术可行性和经济性分析，对于利用现有太阳能热水器技术开发制冷空调具有现实意义。

ABSTRACT Introduces three methods that can adjust refrigerating output according to the variation of load aimed at the varying duty condition during the practical operation process of refrigeration system,frequency inverter technique,parallel unit with several compressors and liquid refrigerant storing method.

摘 要针对制冷系统实际运行过程中存在的变负荷工况，介绍三种根据负荷变化调节制冷量的方法：变频技术、多机并联压缩机组以及液体制冷剂储存方法。

A new special economical experimental unit which applies to the R717 recurrence system of the screw compressor with the economizer has been designed and set up. The experiential results of the single stage recurrence and recurrence with the economizer, such as refrigerating capacity, shaft power, volumetric efficiency etc, under different conditions are got from the experiments. The author analyze and the calculate results of theory in this paper.

建立了独特节能的R717工质带经济器螺杆制冷循环系统的试验装置，通过对所研究压缩机的试验测试，得到了普通单级螺杆循环和带经济器螺杆循环在各种工况下的制冷量、轴功率、容积效率、相对补气量、中间压力等数据，并与了本文理论计算的结果进行了比较分析。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。