氦气

有的气球是用氢气充填的，有的则用氦气。

Some balloons are filled with hydrogen , some with helium .

EAST高压氦气密托卡马克绝缘子测试与分析

Test and Analysis of High Voltage Helium Tight EAST Tokamak insulator

氦气环境中湿样品软X射线显微成像研究

Soft X Ray Microscopy of Wet Samples in Helium Environment

MRI设备氦气放空管道和回收系统的研制

Development of Helium Blowdown Tube and Helium Recovery System for MRI Facility

颈部内镜手术充CO2和氦气对代谢和血流动力学的影响

The effect of cervical gas insufflation on metabolic and hemodynamic during endoscopic neck surgery

LaB6在低压强氮气和氦气中的放电特性

Discharge performance of LaB_6 cathode in helium and nitrogen of low pressure

高温气冷堆氦气透平直接循环的Exergy分析

Exergy Analysis of Gas Turbine Combined 100 MW High-Temperature Gas-Cooled Reactor

VM型氦气制冷机高温导向环材料的研究

An investigation on high-temperature materials for guide ring in VM type helium cryogenerator

VM型氦气制冷机是依靠外界输入热量来制冷的微型制冷设备。

The VM type cryogenerator is a mini-device using heat imput from outside .

氦气（He）的比冲远高于氩气（Ar）的比冲。

The specific impulse of helium ( He ) propellants is higher than that of Argon ( Ar ) .

CO2对腹腔细胞释放TNF-α功能影响较大，而氦气则影响较小。

CO_ ( 2 ) has more effects on TNF - α releasing from peritoneal cells , while He does less .

计算电流引线片中氦气流阻比较好的方法是采用有限元软件Fluent。

It is a better method that finite element program , fluent is adopted in solving the helium resistance .

200m氦氧模拟饱和潜水实验的氦气回收

Reclamation of helium in 200m simulated He-O2 saturation diving

由于在液氮温区附近氦气高低压焓差不平衡，导致G－M机蓄冷器中温度分布出现低温平台。

The disequilibrium of the enthalpy difference of helium at liquid - helium temperature region results in that the temperature distribution in the regenerator of a GM refrigerator forms a platform .

用CFD技术对光腔段的模拟表明，采用小尺寸喷管，并且在基区大量注入氦气有利于激光器压力恢复。在本文最后，根据以上研究的结果，提出了基区非匹配压力引射结构。

And the answer also shows that the small nozzles with helium injected in the base region are good for laser chamber pressure recovery .

应用透射电镜观察不同氦气和氩气流量比对Ti膜微观结构及氦泡形貌和分布的影响，并研究退火温度对氦泡聚集和长大行为的影响。

The influence of He-Ar flux ratio on the Ti film microstructure was studied , and the influence of temperature on the evolution of helium bubbles was analyzed .

ITER中国氦冷固体实验包层模块温度场和氦气流场三维数值分析

Three-Dimensional Numerical Simulation of Temperature Field and Helium Flow Field in ITER China TBM

清华大学10MW高温气冷堆氦气辅助系统的调试

Assisted examination Commissioning of Helium Auxiliary System for HTR-10

10MW高温气冷堆堆用氦气阀门要求的研究

Research on Requirements of Helium Valves in HTR-10

HTR-10氦气透平直接循环回热器的设计研究

Study on the Recuperator Design Used in the Direct Helium-turbine Power Conversion Cycle of HTR-10

HTR-10氦气阀门设计要求

Design requirements of HTR 10 helium valves

HTR-10一回路氦气流量的软测量方法

A Soft Measuring Method of the Helium Flow Rate for the Primary Loop of the HTR-10

10MW氦气轮机涡轮轮盘强度的计算方法

A Method for Calculating the Strength of Wheel Disks of a 10 MW Helium Gas Turbine

第三部分研究了在氦气作保护气体的情况下，用变极性TIG焊方法焊铝时，焊接电流、电弧电压的变化情况和电弧形态的变化。

The third is , when Al is welded by means of VPTIG method of helium , the changes in current , voltage and arc shape .

以光谱纯试剂做标凖系列，氦气光路，XRF法测定工业循环水中硫和氯。

Sulphar and chlorine in industrial circulate water were determined by XRF with the spectrum pure reagent , in helium light way .

基于Lissajous图形研究大气压氦气介质阻挡放电

Dielectric Barrier Discharges Under Higher Frequency Voltages in Helium at Atmospheric Pressure Based on Lissajous Figures

结果表明，环境气体对激光诱导Fe等离子体发射光谱具有增强作用，而在较低气压下氩气比氦气的辐射增强效果更为显著。

The experimental results show that the ambient atmosphere has an enhancement effect on the emission intensity of the laser-induced Fe plasmas , and Ar atmosphere has more enhancement effect than He atmosphere at reduced pressure .

为了获得CH分子束及其相关特性，以氦气为载气，利用直流脉冲放电技术产生了CH分子束。

The CH molecular beam was generated by DC pulsed discharging methane seeded in helium in the supersonic expansion to study the generation and features of CH molecular beams .

研究用氧气/空气/氦气和空气/氦气常压等离子体处理退除棉织物上的PVA浆料。

This study is designed to investigate desizing PVA on cotton fabric using an atmospheric pressure plasma treatment with oxygen / air / helium or air / helium mixture gases as medium .

氦气球降落伞Q.如果我背着几罐氦气和一个巨大的未充气的气球从飞机上跳下来会怎么样？

FALLING WITH HELIUM Q. What if I jumped out of an airplane with a couple of tanks of helium and one huge , un-inflated balloon ?