查询词典 atomic

In this lecture, the study content of nonlinear atom optics and their experimental results and recent progress are introduced in some detail, which includes atomic solitons, four-wave mixing, slow light group-velocity and superluminal light, superfluid and vortex, Josephson effect and phase-coherent amplification of atomic matter waves, and so on

文章重点介绍了非线性原子光学的研究内容、实验结果及其最新进展，主要包括原子孤子、原子物质波中的四波混频、光速减慢与负群速现象、超流及涡流、Josephson效应和物质波的相位相干放大等。

In a word, a new method that theoretically calculates the relativistic corrections and the fine structure of the energy levels in two-electron atom, including the atomic Hamiltonian expressed by spherical tensors, the calculation of the angular matrix elements and the summations over spin of the various interactions in the atomic Hamiltonian, and the approximate calculation of the radial matrix elements, has been provided in this thesis.

总之，本文为双电子原子能级的相对论修正和精细结构的理论计算提供了一种新的方法，包括原子哈密顿算符的球张量表示方法、原子哈密顿中各种相互作用项的角向矩阵元和自旋求和的计算方法，以及径向矩阵元的近似计算方法。

Our research indicates that the electronegativity of elements varied with the intensive electrostatic potential of atomic nucleus Vic and the quantity of electricity of atomic valence shell qcj.

研究表明，元素电负性XSc与原子核在原子边界面上的强度电势Vic和价层电子电量qcj成线性关系。

Our research indicates that the electronegativity of elements X(subscript Sc varied with the intensive electrostatic potential of atomic nucleus V and the quantity of electricity of atomic valence shell q.

研究表明，元素电负性X与原子核在原子边界面上的强度电势V和价层电子电量q成线性关系。

We discuss the influences of the initial state of the field on the atomic information entropy squeezing. We compare its results with those of atomic squeezing based on the Hesienbeg uncertainty relation.

讨论了场的初态对信息熵压缩的因影响，并且比较了分别从基于信息熵测不准关系和海森堡测不准关系出发得出的结果。

The hyperfine fields of Fe hexagonal-based atomic chains are presented, the equilibrium atomic distance and electronic structure are investigated, with the comparison of the bcc Fe, two-dimensional monolayers and one-dimensional monoatomic linear chains of Fe.

国际上首次研究了基于六角结构的Fe原子链的超精细场，给出了平衡原子间距，分析了电子结构，同bcc Fe，Fe单原子层和Fe单原子链的结果进行了比较。

When the spawning weight range from 0.1～2.0g,it has the positive correlation with hatch amount,but when the spawning weight exceeds 2.0g,hatch amount will reduce.(5) Analyse the content of heavy metals and pesticide residues for soil and aquaculture water in W.pigra with the help of atomic absorption spectrophotometers,atomic fluorescence spectrophotometers and gas chromatography.

结果表明，蚂蟥产卵和孵化的最适温度为25℃，产卵的最佳体重为20g左右；温度能影响蚂蟥产卵前后的体重，而体重大小对产卵前后体重变化影响不明显；当卵重在0.1～2.0g之间时与孵出量成正比，当卵重大于2.0g时孵出量反而有所下降。

America's Atomic Energy Commission developed HEPA filters sixty years ago to protect workers who were developing the atomic bomb.

美国原子能委员会在六年前发明了高效微粒空气过滤器用以保护制造原子弹的工作人员。

Experts at the International Atomic Energy Agency believe Tehran has the ability to make a nuclear bomb and is working on developing a missile system that can carry an atomic warhead, AP reported, citing a confidential report it acquired.

据美联社报道，该社所获的一份机密报告显示，国际原子能机构认为伊朗已经具备制造核弹的能力，并且正在研发可以携带核弹头的导弹系统。

Atomic warfare,ie using atomic bombs

原子战争。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。