helium
- n.氦;氦气
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Atoms of hydrogen are fused to make helium .
氢原子可熔合成氦。
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Helium is a very light gas .
氦是一种非常轻的气体。
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Helium is a gas used in balloons .
氦是一种用于气球的气体。
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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。
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Best short live action film : Helium
最佳真人短片奖:《氦》
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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。
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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
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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
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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
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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
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Linear Variation Method for Calculating Energy Levels of the Helium Atom
用线性变分法计算氦原子能级
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High Temperature Safe Operation of the Helium Test Loop
氦气试验回路的高温安全运行
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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
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A Study on Analytic Method of Helium Isotope for Solid Sample
固体样品的氦同位素分析方法
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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
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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
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Development of a New Helium Refrigerator System
气氦制冷系统的研制
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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
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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
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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
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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
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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
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Some Technical Problems in Positive Pressure Helium Leak Detection
正压氦检漏的几个技术问题
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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。
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Improvement of helium purification technology on site of a launching station
发射场氦气现场提纯技术
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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。
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Fiberglass plastics for low temperature or liquid helium temperature use
用于低温及液氦温度的玻璃钢
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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
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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。
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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