helium

Atoms of hydrogen are fused to make helium .

氢原子可熔合成氦。

Helium is a very light gas .

氦是一种非常轻的气体。

Helium is a gas used in balloons .

氦是一种用于气球的气体。

Some balloons are filled with hydrogen , some with helium .

有的气球是用氢气充填的，有的则用氦气。

Best short live action film : Helium

最佳真人短片奖：《氦》

Some white dwarves4 have almost pure hydrogen or helium atmospheres , but this star has an atmosphere unusually high in the heavier element , carbon .

一些白矮星的大气中几乎只有纯氢或氦，但这颗星的大气中重元素碳的含量异常高。

Conceptual Design for Experimental Main Loop with High Temperature Helium Gas

高温氦气实验回路氢气主冷却回路的概念设计

Design and test of liquid helium system of space simulator

空间环境试验舱液氦系统设计与测试

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

液氦自动补加实验液氦流动速度对温度测量的影响

Theoretical analysis for experimental results of electron momentum spectroscopy of helium

He原子电子动量谱学实验结果的理论分析

Linear Variation Method for Calculating Energy Levels of the Helium Atom

用线性变分法计算氦原子能级

High Temperature Safe Operation of the Helium Test Loop

氦气试验回路的高温安全运行

Study on the data acquisition system of superfluid helium obtaining experiment

超流氦获取实验液位数据采集与测试系统研究

A Study on Analytic Method of Helium Isotope for Solid Sample

固体样品的氦同位素分析方法

Study and Application of Metal Mesh Filtration Technology in Liquid Helium Purification

金属丝网过滤技术在液氦纯化中的研究与应用

Application of soil helium measurement in fracture geothermal field exploration

土壤氦气测量方法在控热构造勘查中的应用

Development of a New Helium Refrigerator System

气氦制冷系统的研制

Time dependent density functional theory for high order harmonic generation of helium atom

含时密度泛函方法模拟氦原子高次谐波的产生

A new inversion simulation method for analyzing experimental data of helium bubble growth in materials

氦泡生长实验数据的反演模拟计算方法

The application of colour helium bubble in the wind tunnel test

彩色氦气泡在风洞试验中的应用

Study of the Method of Simulate Modeling Tests of Helium Expansion Turbines

氦透平膨胀机相似模化试验方法的研究

Partial wave analysis in exploring the structure of helium atom

分波分析在探索氦原子结构中的应用

Some Technical Problems in Positive Pressure Helium Leak Detection

正压氦检漏的几个技术问题

Points out the importance of application of helium leak detector .

指出了氦质谱检漏仪在溴化锂制冷行业中应用的重要性。

Improvement of helium purification technology on site of a launching station

发射场氦气现场提纯技术

Colour helium bubble flow visualization is a new and unique technique .

彩色氦气泡流动显示是一极好的新技术。

Fiberglass plastics for low temperature or liquid helium temperature use

用于低温及液氦温度的玻璃钢

Researches on temperature effects on leakage rate of helium permeating leak

温度对薄膜渗氦型漏孔漏率的影响研究

A system of metastable helium atom beam source has been developed .

研究设计了一种亚稳态氦原子束源系统。

Pressurized leak detection method by using helium mass spectrometer leak detector

氦质谱检漏法应用研究氦质谱正压检漏法