atom of elements 中文意思是什麼

atom of elements 解釋
元素的原子序數
  • atom : n. 1. 原子。2. 微粒;微量。
  • of : OF =Old French 古法語。
  • elements : 德魯伊選擇元素
  1. Methods : the contents of the elements including chromium were determined by atom absorption spectrophotometer, and the ability of ganoderma lucidum in enriching chromium and the yield ratio of mycelium ball were studied

    方法利用原子吸收分光光度法測定了鉻等元素的含量,並對靈芝菌珠的富鉻能力、菌絲球的產率等進行了研究。
  2. The rhizome of cultivated rheum in qunjia of qinghai province, was picked broke into cortex, phloem, xylem and marrow, the content of cu, zn, fe, mn, co, ni elements of the every tissue was analyzed by atom absorb spectrum

    採集青海群加地區種植大黃根莖,分為皮層、韌皮部、木質部和髓部等四部分,採用原子吸收光譜法分別測試了其不同組織中銅、鋅、鐵、錳、鉆、鎳等元素含量。
  3. 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。
  4. Moreover, we propose some atom - optical elements based on the vccc, such as atomic funnel, atomic beam splitter and atomic interferometer. in the scheme of the uccc

    最後,利用v -型載流導體構建了多種原子光學器件,例如原子漏斗,原子分束器和原子干涉儀等。
  5. In the case of single - channel magnetic guiding, we calculate the relationship between the guiding efficiency and electric current or the transverse temperature of atomic beam. we also propose several atom - optical elements base on the uccc

    本文也計算了單通道磁導引情況下,原子導引效率和電流、原子束橫向溫度之間的關系,並採用u -型載流導體構建了多種原子光學器件。
  6. 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
  7. Popular formula of perturbation matrix elements of the hydrogen atom in the uniform magnetic field and the removal of degeneracy for higher energy levels

    在均勻強磁場中氫原子塞曼效應久期方程的簡化公式
  8. The influence of a static electric field was investigated systemic in three stratifications : the electron scope of single atom, multi - atom local effect and macro - materials character based on electron theory. the multi - scope effect of electric field on metals and alloys, such as the atomic energy, solute elements, microstructure and precipitates, fracture character, mechanic and physical properties, were studied with the purpose of finding the mechanism and the nature of the electric field

    針對目前電場作用研究中的問題,本文以鋁合金為研究對象,分別在三個不同尺度的理論范疇:單原子的電子理論,多原子(原子團簇)的微觀局域效應,和材料宏、微觀行為,系統的、多層次的研究了電場在電子層次,溶質行為,微觀組織,以及宏觀的斷裂特徵和性能等多個尺度的電場效應。
  9. 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。
  10. The results show that with the doping of some metal ( such as al ), the metal elements will exist by the form of atom clusters by adjusting the sputtering parameters. it should sharply increase the intensity of el and not change the luminescence centers

    結果表明在硅基薄膜中摻入適量的金屬(例如:鋁) ,並使其以團簇的形式均勻彌散在薄膜中,有可能既不改變薄膜的發光中心,又可大大提高其發光效率。
  11. Atom of elements

    元素的原子序數
  12. Various schemes of atomic guiding are classified and some applications of atom - guiding technology are introduced. we also introduce atomic beam splitter in details, which is one of important elements of atom optics

    本文就各種不同的原子激光導引和磁導引方案進行了分類與綜述,並就中性原子導引技術的應用及原子光學的重要元器件之一「原子分束器」作了較為詳細的介紹。
  13. Abstract : in this work, atom structure features of rare earth elements have been analyzed. reasons why changeable valence rare earth oxide can strengthen stability of atom valence in oxidized state, ability to conserve oxygen and heat stability for catalysts are discussed from mechanism. auxiliary catalyst functions are understood more deeply on the base theory

    文摘:本文從原子結構分析了變價稀土元素原子的結構特點,從機理上分析了變價稀土氧化物對催化劑原子氧化價的穩定性、貯氧能力和熱穩定性等性能增強的根源,從理論上深入認識了稀土氧化物的助催化作用。
  14. Firstly, with the help of angular momentum coupling theory, the hamiltonian for multi - electron adorns is rewritten in terms of spherical tensors. the advantage of this form is that the radial, angular and spin parts are separated completely, which makes it easy to calculate the angular matrix elements by means of irreducible tensor. secondly, theoretical expressions of the relativistic corrections including the relativistic mass correction, the darwin correction terms, the electron - electron contact terms and the orbit - orbit interaction which contribute to the non - relativistic energy for two - electron atom are theoretically derived in the lsmlms scheme

    具體內容包括:首先,藉助角動量耦合理論,將多電子原子哈密頓算符中的自旋-自旋、自旋-其它軌道以及軌道-軌道相互作用全部改用球張量表示,這種球張量形式的優點在於已將原子哈密頓算符中的徑向、角向和自旋部分完全分開,從而便於計算矩陣元,而且角向矩陣元可以方便地利用不可約張量理論來進行計算。
  15. In this paper, the current states of research about the basic theory of stationary state perturbation method are firstly reviewed, on base of them, and studied some physics issues mainly about hydrogen atom. the stark effect of the energy level ( n = 4 ) of hydrogen atom is calculated and the stark effect of three dimensional hydrogen atom is discussed by the use of the parabolic coordinates, then the perturbative matrix elements for each energy level are given

    本文首先綜述了關于定態微擾論基本理論的研究現狀,在此基礎上利用定態微擾論對某些物理問題,主要是對氫原子問題展開了研究,計算了氫原子n = 4能級的斯塔克效應,並利用拋物線坐標法求解了三維氫原子的斯塔克效應,給出了氫原子斯塔克效應中微擾矩陣元的普遍公式。
  16. The properties of these doped powders, the microstructure and composition of these rare - earth co - doped tungsten matrices and cathodes have been investigated by size analysis, xrd, sem and edax. the electronic emission performances of these cathodes are measured in uhv electron emission surveyor. aes is adopted to analyze the atom composition and diffusion behavior of active elements on cathode surfaces

    通過粒度分析、 xrd 、 sem 、 edax研究了摻雜粉末的特性、燒結基體和陰極的微觀結構和成分;用動態真空電子發射測試儀對上述陰極進行了電子發射水平的測試;採用aes對陰極表面原子組成和活性物質的擴散行為進行了研究,分析了陰極發射水平與表面原子組成的關系。
  17. " valence number of bonds ( see bonding ) an atom can form. hydrogen ( h ) always has valence 1, so other elements ' valences equal the number of hydrogen atoms they combine with.

    原子價:元素的一個原子能夠結合其它原子的數目。元素的特徵價數是以該元素一個原子可結合的氫原子數或可從一化合物中置換出的氫原子數來表示。
  18. The contents of 8 rare earth elements in chloroplasts of brassia napus were determined by instrumental neutron activation analysis. the results indicated that there were trace amounts of rees in the chloroplasts, which corresponded to 1 atom of rees per 2000 chlorophyll molecules. this content was lower than the microelements already known essential for the process of photosynthesis such as fe, mn and cu

    用中子活化分析測定了油菜葉綠體中的稀土元素含量。結果表明葉綠體中含有微量稀土,其含量相當于每個稀土原子對應約2000個葉綠素分子,低於fe , mn , cu等必需元素。
  19. The boundary radius of an atom ( ion ) is defined by the classical turning point equation ( ( r ) = - i, where i denotes the first ionization potential of the atom ( ion ). the boundary radii of atoms and ions of elements from first - to fifth - row in the periodic table are obtained

    對于中性原子,假設此時的能量等於其第一電離能i的負值,即v ( r ) = - i 。我們定義原子核到r的距離為原子的內稟邊界半徑,簡稱為邊界半徑。
  20. In fact, there are many elements which influence the special character, such as the intensity and frequency of the laser, the binding energy of atom, an additional field and so on

    實際上,有許多因素會影響到諧波譜線的具體性質。例如:所加激光脈沖的強度和頻率,原子的電離勢以及外加的磁場或電場等。
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