液氦温度

直接达到液氦温度的G-M型制冷机及其应用

G-M refrigerator operating at liquid helium temperature and its application

EAST装置于2006年成功进行工程调试和物理实验，全部超导磁体均已冷却到液氦温度，并获得了第一次等离子体。

EAST ( Experimental Advanced Super-conducting Tokamak ) is an experimental device for controlling nuclear fusion . In 2006 , the engineering commissioning of EAST has already been done successfully . All of the superconducting magnets have been cooled down to LHe temperature .

在室温、液氮和液氦温度下，首次用连续调谐的CO2激光器研究了n-InSb自由载流子法拉第旋转。

The free carrier Faraday rotation in n-InSb has been studied by using a tunable CWCO_2 laser for the first time at room temperature , liquid nitrogen and liquid helium tempe-rature .

用于低温及液氦温度的玻璃钢

Fiberglass plastics for low temperature or liquid helium temperature use

本文给出了若干国产常用二极管、场效应管等半导体器件在液氮、液氦温度下的特性曲线。

Several characteristic curves of some China-made , common diodes and FET at the LN2 and LHe temperatures are given .

从硬件和软件上设计了一套可以精确测量和监控液氮温度和液氦温度的温度采集系统。

This paper introduces a temperature acquisition system that can accurately measure and control the temperature of liquid nitrogen and liquid helium .

研究了在液氦温度下天青釉超精细相互作用参数的变化和参数变化的机制。

The variation of the hyperfine interaction parameters and the variable mechanism of the sky-green glaze at liquid helium temperature is studied .

要走第三步，达到液氦的温度4°K需要十分精湛的技术。

Real ingenuity is required to take the third step to attain liquid helium temperatures of 4 ° K.

用大型软件Fluent对液氦杜瓦的温度分布并用ANSYS对磁体磁场分布进行了数值模拟。

The commercial software Fluent is used to simulate the temperature distribution of liquid helium dewar and ANSYS is used to simulate the distribution of magnetic field .

通过对低温泵的真空度及其抽速与液氦低温板温度的关系进行模拟，验证了真空系统设计的合理性。

By simulating the temperature of the cryopanel and the relation between the pressure and pumping gas speed of the cryopump , it was verified the vacuum system design was rational .

用绝热法测量了YBa＿2Cu＿3O＿（7－δ）高温超导体的比热，介绍了测量方法和测量装置，并给出了在液氦77～110K温度区所测比热的结果。

The specific heat measurement of YBa_2Cu_3O_ ( 7 - δ) superconductors are introduced . With our experience for the specific measurement for YBa_2Cu_3O_ ( 7 - δ) superconductore , the measuring adiabatic calorimetry method are discussed .

小型超导磁体采用再冷凝方式冷却，优点是磁体温度均匀，失超时通过蒸发液氦从而延长磁体温度上升到失超温度的时间。

The small scale superconducting magnet is immerged into liquid helium and the liquid helium is used for cooling .

观测了300欧元件在液氦温区的温度、磁致电阻、磁场强度的关系，给出了数据和曲线。

Investigations have been made on the temperature , magnetoresistance , magnetic field characteristics of the 300.fi resistors in the LHe temperature range .

液氦自动补加实验液氦流动速度对温度测量的影响

Influence of the flow velocity of liquid helium on its temperature measurement