查询词典 atom

By use of some atom parameters in optical-field-ionized plasmas obtained from the extended Cowan program based on Maxwell to suit any electron distribution with the help of additional program, the peak gain coefficient of Ni-like Kr system is calculated for the ion densities of 1×10 17 cm -3 and 3.2×10 17 cm -3 respectively after considering Doppler broadening and natural broadening.

利用自行编制的辅助程序将原来仅以麦克斯韦分布为基础的Cowan程序推广到适用于任意电子能量分布情形下获得的光场感生电离等离子中的一些原子参数，在考虑多普勒加宽和自然加宽，对离子数密度分别为1×1017cm-3和3.2×1017cm-3的情况下的类镍氪系统的增益系数进行了估算，理论上的峰值增益系数为14cm-1、141cm-1。

Since most of the large molecules containing phosphorus element have double bonds, it is necessary to consider the special structures of double bonds in order to deal with these large systems more accurately. So, based on density functional theory and electronegativity equalization principle, applying a general atom-bond electronegativity equalization method , using separated program, through regression and least-squares optimization , the parameters of atoms and bonds in molecules are determined . By these parameters , the charge distributions and the energy of some molecules containing phosphorus element, especial the fragment of DNA, RNA, are calculated . The results are quite good.

由于这些含磷生物大分子体系都含有双键，为了明确的处理双键，进而更准确的解释带有双键和共轭双键的含磷生物大分子结构与性质的关系，我们以密度泛函理论~([1-4])和电负性均衡原理~([5-9])为基础，应用和开发原子-键电负性均衡方法中的σπ模型，利用最小二乘法，拟合确定了一些分子（含碳、氮、氧、氢以及磷等原子）的各种类型原子及化学键区域的参数，并利用上述参数计算了一些多聚核苷酸的电荷分布以及分子的总能量，进行了讨论，得到的结果可以和从头算相媲美。

Its framework contracted but not expanded as expected when it was electrolytically colored. This probably resulted from the attraction of O atom and Li〓 that was injected the interstice of WO〓 framework.

WO〓薄膜在电致变色过程中，其"骨架"没有发生扩张，反而收缩，这可能是注入的Li〓占据了WO〓的骨架空隙，与O相互作用产生向内的收缩力所致。

In the second chapter, we introduce the semi-classical theoretical method based on single three-level A atom and the whole quantum method processing given to deal with the electromagnetically induced transparency system.

第二章系统地介绍了基于单个Λ型三能级原子的EIT机制的半经典理论处理和全量子方法处理。

At the same time, electron cloud density of the nitrogen atom may be taken as the key factor to be correlation with the biodegradation property.

同时还提出了用捕收剂分子中N原子上的电子云密度可作为衡量捕收剂生物降解性的重要参数。

Most of the atom's volume consists of a cloud of electron s that have very small mass and negative charge.

原子核被弥散的电子云环绕，电子是带负电的几乎没有质量的粒子。

The results show that the influences of the central atoms on electron cloud, electrostatic potential, total density of states are not clear. But the central atom can affect the components of the frontier orbitals HOMO and LUMO.

结果表明，中心原子对Keggin结构杂多阴离子的电子云、静电势、总态密度的分布影响不明显；但中心原子不同，前线轨道HOMO， LUMO的组成有一定差异。

The Monte Carlo method is used to electronic distribution in electron cloud and electron diffraction. The distribution graphes of the electron cloud in atom and molecule are drawn and the phenomenon of the electron diffraction from a single slit or a small aperture is simulated vividly.

运用蒙特卡罗方法处理了电子云和电子衍射中非均匀电子的产生问题，形象的绘制了原子、分子中的电子云分布图形，生动的模拟了单缝电子衍射实验现象。

Outside the atom the electron cloud has the track, according to leaves nucleus far or near differently, these orbits are divided into several levels, the more lower energy level the more near to nuclear.

原子外面的电子云运行是有轨道的，按照离原子核的远近不同，这些轨道被分为几层，离原子核越近能级越低。

The energy state of an electron within an atom, represented by the electron energy level or shell, can theoretically represent one, two, four, eight, or even 16 bits of data.

用电子能级表示的原子中电子的能态，理论上可以表示1、2、4、8、甚至16位的数据。

That snake Alaric named Archbishop...

庇护。。。那个毒如蛇蝎的Alaric被命名为大教主。。。

You have done lots of magical things to be amazed at.

你做了很多神奇的事物感到惊讶。