electron structure of atom 中文意思是什麼
electron structure of atom
解釋
原子的電子結構-
In this thesis, based on racah method of two - electron atom and non - relativistic energy structure for helium - like atoms, the relativistic corrections and the fine structure of helium - like atoms, including the relativistic mass correction, the darwin correction terms, the electron - electron contact terms, the orbit - orbit interaction, the spin - orbit interaction, the spin - other - orbit interaction and the spin - spin interaction, are studied systemically using irreducible tensor. concretely, the main works of this thesis are as follows
本文以雙電子原子結構的拉卡理論和類氦離子的非相對論原子結構的計算結果為基礎，利用不可約張量理論，較為系統地研究了類氦離子的相對論效應和精細結構，包括相對論質量修正、達爾文修正、電子與電子之間接觸相互作用、軌道-軌道相互作用、自旋-自旋相互作用、自旋-其它軌道相互作用以及自旋-軌道相互作用。 -
Through analysis on the structure of valence electron shell, the atom radius, the bonding orbital and other important parameters, this paper discusses the irregularity in the second circle of nonmetal elements and the irregular courses
摘要本文通過對第二周期元素價電子層結構、原子半徑、成鍵軌道及其重要參數的分析，討論了第二周期非金屬元素的不規則現象，並且分析了產生這些不規則性的原因。 -
Abstract : the light atom imaging method in high resolution transmission electron microscopy ( hrtem ) and its application in crystal structure analysis for a series of metastable oxides of copper, nickel and silver is described. the idea stemming from this method has been extended to show the possibility of observing surface structure in a series of rather thick films with the hrtem plan - view imaging mode
文摘:介紹了利用高分辨電子顯微學進行晶體結構分析的一種方法輕原子成像法的建立過程及其在銅、鎳、銀等金屬的初期氧化（硫化）產物結構分析中的應用.介紹了利用輕原子成像法的思想解決厚膜上觀察表面結構的可能性問題的新進展 -
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
總之，本文為雙電子原子能級的相對論修正和精細結構的理論計算提供了一種新的方法，包括原子哈密頓算符的球張量表示方法、原子哈密頓中各種相互作用項的角向矩陣元和自旋求和的計算方法，以及徑向矩陣元的近似計算方法 -
In the present research, scanning electron microscope ( sem ), laser raman spectroscopy ( lrs ), x - ray photoelectron spectroscopy ( xrs ), x - ray diffraction ( xrd ) and electron probe micro analysis ( epma ) were utilized to investigate the difference in micro - structure and elements distribution between domestic and foreign pdcs. combined with analysis on current manufacturing process, the mechanism for the difference was discussed. scanning electron microscope ( sem ), laser granularity analysis, atom emission spectroscopy ( aes ) and plasma emission spectroscopy ( icpaes ) are also utilized to investigate the grain shape and impurities of key material - diamond power
本課題採用掃描電鏡、拉曼光譜、光電子能譜、 x -射線衍射分析、電子探針等方法分析了國內外聚晶金剛石-硬質合金復合片在微觀組織結構、元素成分分佈方面的差異，結合對現有燒結工藝的分析，研討了造成這些差異的機理；採用掃描電子顯微鏡、激光粒度分析、原子發射光譜、等離子發射光譜等方法對關鍵原材料-金剛石微粉的晶形、雜質含量進行了比較分析測試。 -
General expressions of the fine structure energy levels for two - electron atom including the spin - spin interaction, the spin - orbit interaction and the spin - other - orbit interaction in the lsjmj scheme are derived
在這些推導中，完成了所有角向積分和自旋求和計算，相應的結果用3j 、 6j 、 9j符號和待定的徑向矩陣元來表示。
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