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refrigerator
相关语句
  制冷机
    Optimization of The Carnot Refrigerator On Which The Thermal Conductivity Law is q∝Δ1/T
    热传导规律为q∝△1/T的卡诺制冷机的最优化
短句来源
    (εR)_(max) of Carnot Refrigerator for Heat Transfer Law Q∝△(1/T)
    导热规律为Q∝△1/T时卡诺制冷机的(εR)_(max)
短句来源
    Optimization of the Irreversible Carnot Refrigerator which Obeys the Heat Conduction Law is q ∝ΔT ̄m
    导热规律为q∝ΔT~m的不可逆卡诺制冷机的最优化
短句来源
    Analysis of Finite Time Thermodynamics on a Magnetic Stirling Refrigerator
    磁性斯特林制冷机的有限时间热力学分析
短句来源
    STUDY ON A 4K TWO STAGE PULSE TUBE REFRIGERATOR WITH DOUBLE ORIFICES
    4K双小孔型二级脉管制冷机研究
短句来源
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  致冷器
    It is consisted of a high precision wide range temperature sensor, a semiconductor refrigerator with two way control and an automatic temperature control circuit. Multifunction intelligent control is realized by single chip microcomputer. The device is also able to carry out real time temperature measurement.
    研究了一个实用化的LD温度控制装置,利用高精度宽温温度传感器、双向控制的半导体致冷器及自动温控电路,通过单片机实行多功能智能化控制.该装置兼有实时温度检测功能,实验结果表明装置能很好地保证LD的工作环境.
短句来源
  制冷器
    A semiconductor refrigerator was used in the cooling system and a new idea to seal and dry the laser rod and mirrors was presented and relatively ideal results were obtained when this idea had been applied in the experiments.
    设计了一种以半导体制冷器为制冷元件的冷却系统,并针对激光晶体和谐振腔镜片设计了一个干燥及密封设备,并在实验过程中取得了较理想的效果。
短句来源
  “refrigerator”译为未确定词的双语例句
    A gas laser with a refrigerator
    一种制冷式气体激光器装置
短句来源
    Thermal analyses on the 2K cooling stage for superfluid helium refrigerator system
    超流氦制冷系统2K冷却级热力分析
短句来源
    The Curie or N'eel temperature is below 1.6K. The Weiss constants are all found smaller. As far as the magnetism in weak field of the materials was concerned, they appear suitable as working substance for the magnetic refrigerator from 1.6 K to 4.2 K.
    根据测量结果分析表明:这四种材料的磁化率与温度的关系在该温区里都遵守居里定律或居里-外斯定律,它们的居里点或奈尔点都低于1.6K,外斯常数都比较小,就磁性而论,这四种材料都可以作为工作温度在1.6一4.2K温区里的磁制冷介质。
短句来源
    The transition temperatures Tc and the transition curves of five superconductive transition points, AuIn2, AuAl2, Ir, Be, W of SRM768 device have been realized on a dilution refrigerator.
    在~3He-~4He稀释致冷机上复现了SRM768的全部五个超导固定点(即AuIn_2,AuAl_2,Ir,Be,W)的转变温度T_e和转变曲线,给出了转变宽度w和互感变化△M。
短句来源
    OPTIMUM PERFORMANCE OF STIRLING REFRIGERATOR WITH THE REFRIGERATION RATE IN COOPERATION WITH THE ENTROPY PRODUCTION RATE
    斯特林致冷循环致冷率与熵产生率的协调优化性能
短句来源
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  refrigerator
Available energy analysis of new tandem double-capillary tube refrigeration system for refrigerator-freezers
      
A new tandem double-capillary tube refrigeration system for refrigerator-freezers is proposed.
      
Three-dimensional numerical simulation of the basic pulse tube refrigerator
      
A three-dimensional physical and numerical model of the basic pulse tube refrigerator (PTR) was developed.
      
Operation of a Dilution Refrigerator in a Micromode
      
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The susceptibilities of the rare earth materials Dy2Ti2O7, GdPO4, Gd2(SO4)3, Gd2(S04)3·8H2O were measuratured from 1.6K to 4.2 K. The results showed that the meterials investigated obey the Curie or the Curic-Weiss laws in this temperature range. The Curie or N'eel temperature is below 1.6K. The Weiss constants are all found smaller. As far as the magnetism in weak field of the materials was concerned, they appear suitable as working substance for the magnetic refrigerator from 1.6 K to 4.2 K.

我们用互感法在1.6—4.2K的温区内对稀土化合物Dy_2Ti_2O_7、GdPO_4、Gd_2(SO_4)_3、Gd_2(SO)_3·SH_2O进行了磁化率测试.其中在对Dy_2Ti_2O_7的测量中,最低温度达到了~1.4K。根据测量结果分析表明:这四种材料的磁化率与温度的关系在该温区里都遵守居里定律或居里-外斯定律,它们的居里点或奈尔点都低于1.6K,外斯常数都比较小,就磁性而论,这四种材料都可以作为工作温度在1.6一4.2K温区里的磁制冷介质。

Based on the calibration experiment on low temperature thermocouples of alloysof Cu-Fe and Au-Fe, a comparison is made beween the two kinds of thermocouples intheir calibration characteristics and the microchanisms. They have been examined inthe temperature measurement on the second cold head of a G-M type refrigerator. A4--273K calibration table of a domestic NiCr-CuFe thermocouple containing 0.13% Feis obtained, proving theoretically and experimentally that the same good thermo-ele-ctric performances...

Based on the calibration experiment on low temperature thermocouples of alloysof Cu-Fe and Au-Fe, a comparison is made beween the two kinds of thermocouples intheir calibration characteristics and the microchanisms. They have been examined inthe temperature measurement on the second cold head of a G-M type refrigerator. A4--273K calibration table of a domestic NiCr-CuFe thermocouple containing 0.13% Feis obtained, proving theoretically and experimentally that the same good thermo-ele-ctric performances are available with low temperature thermocouple of alloys of Cu-Fe as with Au-Fe in a fairly wide range of temperatures.

本文以铜铁合金、金铁合金低温热电偶的分度实验为基础,对两种热电偶的分度特性、微观机理等进行了分析比较.并在微型气体制冷机二级冷头温度(10K)测定中进行了实际考核.给出了国产含铁0.13%的镍铬-铜铁热电偶(NiCr-Cu+0.13%Fe)4—273K的分度表.从理论和实验上肯定了在较广的温域使用铜铁合金低温热电偶与金铁合金具有相同优越的热电性能.

Gd_3Ga_(5-x)Al_xO_(12) single crystal has been grown by the Czochralski rechnique. It was ascertained as garent single phase material by X-ray photography. Experimental studies of the magnetization and susceptibility of Gd_3Ga_(5-x)Al_xO12 have been carried out along the [111] crystal axis in the temperature range of 1.5 to 77 K, and compared with Gd_3Ga_5O_(12) (GGG). The primary results show that the susceptibility of this material obeys the Curie-Weiss law when the magnetic field is below 500(Oe), the ordering...

Gd_3Ga_(5-x)Al_xO_(12) single crystal has been grown by the Czochralski rechnique. It was ascertained as garent single phase material by X-ray photography. Experimental studies of the magnetization and susceptibility of Gd_3Ga_(5-x)Al_xO12 have been carried out along the [111] crystal axis in the temperature range of 1.5 to 77 K, and compared with Gd_3Ga_5O_(12) (GGG). The primary results show that the susceptibility of this material obeys the Curie-Weiss law when the magnetic field is below 500(Oe), the ordering temperature is far below 1.5 K. The magnetization of GGAG is about 4% higher than that of GGG for magnetic fields greater than l0000(Oe). When the magnetic field is about 30000 (Oe). The Critical magnetic field of GGAG is about 4000(Oe) higher than that of GGG. It is shown that the substitution technique is efficient in searching after new working substance for magnetic refrigerator.

采用提拉法制备了Gd_3Ga_(5-x)Al_xO_(12)(以下简称GGAG)单晶,经X射线粉末照相证实为石榴石型单相结构。在T=1.5—77K温区里,场强从45—6O000Oe范围内,沿[111]晶轴方向测量了磁化强度和磁化率,并与本文所用钇镓石榴石Gd_3Ga_5O_(12)(以下简称GGG)和文献[1,2]报道的GGG单晶数据作了比较。实验结果表明:(1)在场强H<500Oe时,磁化率X与温度T的关系遵守居里-外斯定律,其有序温度T_N远低于1.5K;(2)H>10000Oe时,该材料的磁化强度(或磁化率)比GGG高3—4%;(3)在H~30000Oe时,特定温度T_(min)对应的临界场H_c比GGG约高4000Oe。实验研究表明,采用离子代换法寻找新的性能良好的磁致冷剂的途径是可行的。

 
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