I would say with the aid of an energy level diagram explain the fact that helium is found as atomic gas and not molecular. How about this one?
我要说的是，在能级图的帮助下，可以解释氦气是单原子气体，而不是分子气体这一事实，那么这个呢？
About 1.5 million years young, the cluster stars are near the center in this colorful skyscape, along with dark dust clouds silhouetted against glowing atomic gas.
这个星团的年龄大约只有一百五十万年，在这幅彩色图中靠近中心位置，四周是受原子气体光辉映照着的尘埃云气暗影。
He had a tube with electrodes potted in it filled with atomic hydrogen. And by applying a voltage, he was able to get the gas to glow.
他有一根装着电极的管子，里面充满了氢原子。通过施加电压，他能够使气体发光。
As the height of the magnetic barrier is slowly lowered, the fastest atoms leave the bottle and the remaining gas rethermalizes via elastic atomic collisions at lower and lower temperatures.
由于磁化空腔的效能慢慢降低，那么那些速度还很快的原子就很容易逸出，而其余的气体粒子在不断的碰撞中消耗能量，使得温度降低。
This is the diagram taken right from your text, there are the two electrodes coming in and this is atomic hydrogen in the gas tube.
这是从教科书上复制下来的图表，这里有两个电极进来，这是气体管中的氢原子。
It begins with Maarten Schmidt who hypothesized that star formation rate (SFR) was related to the surface density of atomic hydrogen gas in the cloud.
最早是MaartenSchmidt猜测恒星形成率(SFR)与云层中氢原子气体密度有关。
Atomic number 18, atomic weight 39. 948, is a rare gas. 1894 by the British chemist Rayleigh and Ramsay found.
原子序数18，原子量39。948，是一种稀有气体。1894年由英国化学家瑞利和拉姆赛发现。
The atomic reactor used a gas coolant.
这个原子反应堆使用了一种气态冷冻剂。
The basic task of atomic and molecular physics is to research the atomic structure, property and interaction regularity. It came from the study of sun spectrum and gas discharge at 19 century.
原子物理学是研究原子的基本结构、性质及其相互作用规律的科学，起源于19世纪对太阳光谱和气体放电的研究。
Changes in surface roughness after gas cluster ion bombardments have been measured by an atomic force microscope.
用原子力显微镜测量了气体离化团束照射后表面粗糙度的变化。
At very low pressures the formation of atomic hydrogen is linked with the increasing gas velocity.
在很低的压力下，原子态氢的形成与越来越高的气体速度有关。
Plasma forms when gas becomes so hot that electrons are stripped from atomic nuclei, leaving behind a soup of charged particles.
当气体变得异常炽热，电子脱离了原子核，留下一团带电荷的粒子，等离子体就形成了。
The study of gas-liquid two-phase flow has important applications in engineering, such as oil, atomic energy, aerospace, dynamical and chemical engineering, etc.
气液两相流的研究在石化工程、原子能工程、航天工程、动力工程及化学工程中均具有重要的研究价值。
Two stage gold amalgamation cold vapor atomic adsorption spectrometry method was used to determine the content of mercury in piping gas of Guiyang city.
采用二次金汞齐-冷原子吸收光谱法对贵阳市城市民用管道煤气中汞含量进行了测定。
Its main thrust is to explore on molecular (atomic) scale such macroscopic gas-surface processes as catalysis, corrosion, adsorption, desorption and energy accomodation.
它的主要突破在于从分子(原子)量度来揭示诸如催化、腐蚀、吸附，脱附和能量适应等宏观的气体—表面作用过程。
Test Method for Trace Metals in Gas Turbine Fuels by Atomic Absorption and Flame Emission Spectroscopy 05.
用原子吸收和喷焰光谱法测定燃气涡轮机燃料中痕量金属的试验方法05。
The hyphenated gas Chromatography-microwave induced plasma atomic emission spectrometry (GC-MIP) has been used for the determination of empirical formulae for deuterium labelled hormones.
本文应用气相色谱-微波诱导等离子体发射光谱联用(GC -MIP)方法对氘标记的激素样品经验式进行了测定。
Employ potassium borohydride as reducer, reduce mercuric ion in liquor to Hg vapour, the Hg vapour is carried to atomization device by ar gas, determined by cold-atomic fluorescence.
用硼氢化钾作还原剂，将溶液中汞离子还原成汞的蒸气原子，用载气导入原子化器中，直接用冷原子荧光光谱法测定水样中痕量汞。
Additionally increasing the gas pressure reduces the amount of atomic hydrogen due to higher recombination in the gas phase.
另外，由于气相中高度复合的缘故，提高气压可减少原子态氢的数量。
Main Instruments and Equipments: Gas Chromatograph, Liquid Chromatography, Atomic Absorbance Spectrophotometer and UV Spectrophotometer.
主要仪器设备：气相色谱仪、液相色谱仪、原子吸收分光光度计、紫外分光光度计。
Main Instruments and Equipments: Gas Chromatograph, Liquid Chromatography, Atomic Absorbance Spectrophotometer and UV Spectrophotometer.
主要仪器设备：气相色谱仪、液相色谱仪、原子吸收分光光度计、紫外分光光度计。
应用推荐