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。
Diffraction Aberration of Focusing Atom Beam of Metastable Helium in Laser Standing Wave
亚稳态氦原子束在激光驻波场中聚焦的衍射像差研究
Calculating Ground State Energys of Helium Atom and Quasi-heliumion by Use of Approximation Model
用近似模型计算氦原子和类氦离子的基态能量
Theory Investigation on the Zeeman Effect of 1snp Configuration of Helium;
氦原子1snp组态塞曼效应的理论研究
They would form helium and a subatomic particle, called a neutron.
聚变后形成氦以及一种称为“中子”的亚原子粒子。
Research on Positron Collisions with Ground and Excited Helium;
正电子与基态及激发态氦原子散射的理论研究
Treating the ground states of hydrogen, positronium and helium atoms by Bohr model uniquely
用玻尔理论统一处理氢原子、电子偶素和氦原子基态能级
Many-Body Correlations among Helium Atoms & Equation of State of Condensed Helium at High Density and High Temperature;
高温高密度状态下氦原子间多体相互作用与状态方程研究
There is a stable ground state of the atom.
原子有一个稳定的基态。
"Metastable state: Excited state (see excitation) of an atom, nucleus, or other system that has a longer lifetime than the ordinary excited states and generally has a shorter lifetime than the ground state."
亚稳态: 原子、核或其它系统的激发态,比普通激发态的寿命要长,一般地比基态的寿命要短。
Diagnosis of Atomic Hydrogen and Metastable Molecular Hydrogen Anion in Hydrogen Plasmas;
氢等离子体中氢原子密度定量测定及亚稳态氢分子负离子的产生与检测研究
Calculation of He Atom Ground-State Energy Using Double Generalized Laguerre Polynomial in the Weakest Bound Electron Potential Model Theory
最弱受约束电子势模型理论下使用双广义拉盖尔多项式计算氦原子基态能量(英文)
"Helium: Chemical element, chemical symbol He, atomic number 2."
氦:化学元素,化学符号He,原子序数2。
After hydrogen, the atom with the simplest structure is that of helium.
在氢元素之后，氦的原子结构最简单。
A Studying of Recurrence Spectra of Helium Rydberg Atoms in External Fields;
氦里德堡原子在外场中的回归谱研究
Adiabaticity and Stability of the Ultracold Atom-molecule Dark State
超冷原子—分子暗态的绝热性和稳定性
The force between a pair of helium atoms is so weak that helium does not solidify at all.
一对氦原子之间的作用力微弱得使氦根本不能固化。
They applied about 26 atmospheres of pressure to liquid helium, forcing the atoms to lock in place and thereby form a fixed lattice.
他们对液态氦施加约26倍大气压力，使原子固定在位置上，形成固定的晶格。
Influence of helium on volume change and stability of titanium structure:An atomistic simulation
氦对钛的体胀及稳定性影响的分子动力学模拟