electron theory 中文意思是什麼

electron theory 解釋
電子理論
  • electron : n. 【物理學】電子。 the electron beam 電子束。 the electron theory 電子(學)說。
  • theory : n. 1. 理論,學理,原理。2. 學說,論說 (opp. hypothesis)。3. 推測,揣度。4. 〈口語〉見解,意見。
  1. However, the manufacture process of twt is so complicated that many kinds of subject, such as electron optics, magnetics, cathode electronics, microwave electronics, electronmagnetic fields theory, material science, mechanics and calorifics are involved in

    行波管的研製涉及到電子光學、磁學、陰極電子學、微波電子學、電磁場理論、材料學、機械與熱分析諸多學科,工藝過程十分復雜。
  2. We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center

    我們分別以苯、二苯乙烯、噻吩為中心,氨基、二苯氨基和二乙氨基為電子給體,硝基為電子受體組合形成的分子為研究對象,在從頭計算的水平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度,重點研究了分子的長度、中心和給體的供電子能力對分子單、雙光子吸收的影響。研究結果表明,分子長度與單光子吸收強度之間有密切關系,而在雙光子吸收中這種關系較弱;中心在雙光子吸收中具有重要的作用;在中心和受體一定的情況下,增加給體的供電子能力,可提高雙光子吸收強度。
  3. The silicon plates are formed reverse four wimble array in koh solution by wet - etching technology. then the electrochemical etching experiments are done in three poles electrobath. and some technology questions such as heat oxygenation, light etching, wet etching and electrochemical etching have been analyzed. at the same time sample appearances are analyzed by scanning electron microscope. according to current burst model theory, the electrochemical deep holes etching mechanism are analyzed

    在三極電解槽中,進行了電化學深刻蝕的探索性實驗。對氧化、光刻、濕法刻蝕和電化學刻蝕中的工藝問題進行了初步的理論和實驗研究,同時,採用sem對實驗樣品進行了形貌分析,並採用電流突破模型對電化學深孔刻蝕機理進行了理論分析。
  4. However, the theory ignores the interaction between the electron and a quantized electromagnetic field.

    不過,該理論忽略了電子與量子化的電磁場之間的相互作用。
  5. Main works are as follows : 1. to design electron guns with plane cathode according to high current electron optics theory

    主要工作如下: 1 .根據強流電子光學理論,在填充等離子體條件下,設計平面陰極電子槍。
  6. The main works of the dissertation are listed as following : fist, know the theorical basis and software use of egun, magic. represent the theory and calculation method of electron optics

    本文主要工作如下:掌握egun 、 pic粒子模擬程序兩種軟體設計電子槍的理論基礎,熟悉軟體使用,闡述電子光學系統的基礎理論與計算方法。
  7. The methods that will be discussed are based on concepts derived from various fields, namely electron optics, the interaction of electrons with crystals, elasticity theory, crystal defect theory and crystallography

    我們要討論的途徑是以源自多種領域的觀念為基礎,也就是電子眼,電子和晶體之間的干擾,彈性理論,晶體缺陷理論和結晶學。
  8. The quantum field theory method in electron - atom collision

    量子場論方法在電子與分子碰撞中的應用
  9. Bohr radius was the radius of the circle in which the electron moved in the ground state of the hydrogen atom, according to the bohr theory.

    根據玻爾理論,玻爾半徑是在基態氫原子中電子運動的圓周半徑。
  10. The theory is that when a muon encounters a gas molecule, it can knock off an electron, leaving a positively charged ion in its wake

    實驗原理:當介子遇到氣體原子時,將失去一個電子,從而成為一個正離子。
  11. Based on the hmiltonian expression for hydrogen atom in combination with the theory proposed, the theoretical values of the hydrogen atom ' s energy, ground state energy and spectrum constant and the electron orbital angular momentum are given

    根據氫原子的量子哈密頓量表示,結合創新的量子算符代數理論,得到氫原子的能量、氫原子的基態能量、電子軌道角動量、氫原子的光譜常數等各種物理量的理論值。
  12. Electron theory studies on structure andproperties for tib2 and zrb2 phases

    2晶體結構與性能的電子理論研究
  13. Collective electron theory

    集體電子理論
  14. Electron theory analysis of alloying elements impoverishment in 12cr1mov

    固溶體中貧化的電子理論分析
  15. Study on valence electron theory of phase relationship in a m transformation

    奧氏體向馬氏體轉變時位向關系的價電子理論研究
  16. Design the configuration parameter of the electromagnets using magnetic circuit theory, and check the temperature increase of the electromagnet. and design a power device using igbt with electric and electron theory. it can supply the electromagnets excitation current which changes regularly on a given rule

    對于彎扭矩檢測系統,運用應變儀的原理,在試件上的合適位置加貼應變片並組成惠斯登全橋差動電路,檢測出實際加載在試件上的彎矩和扭矩的大小。
  17. Based on the transferred - electron theory of the iii - v compound semiconductor and the research on the lock - on effect of the si - gaas pcss ' s, this paper proposes the monopole charge domain model similar to the guun or high - field domain to explain the peculiar switching phenomena occurring in the lock - on mode theoretically

    本文基於gaas等?族化合物半導體的轉移電子理論,結合半絕緣gaas光電導開關中特有的lock - on效應的研究,提出了類似於耿疇(高場疇或偶極疇)的單極電荷疇理論模型,對光電導開關lock - on效應的各種現象給出了理論解釋。
  18. 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。
  19. By employing one - dimension planar gap model, the physical mechanism of rtto is studied by single electron theory approximately

    採用一維平板間隙模型,運用單電子理論分析了rtto的工作機制。
  20. The following results are achieved : ( 1 ) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure na, the elements for matrix - strengthening can be chosen. ( 2 ) on the basis of the available phase - equilibrium thermodynamics calculation of alloy system and phase diagrams, which have been worked out, the contents of alloy elements can be identified with reference to the types, quantity and phase - transformation of carbides. ( 3 ) both the values relating to toughness ( including bending strength, yield strength, impact value of unnotched samples ) and hardness of new dm9 die steel are higher than those of crl2mov die steel

    結果得出: ( 1 )根據固體與分子經驗電子理論,利用偏聚結構單元的最強共價鍵上的共用電子對數n _ a ,可以選擇工模具鋼基體相的強化元素; ( 2 )根據合金系相平衡熱力學計算及已有的相圖,可以碳化物類型、數量及其相變確定合金元素含量; ( 3 )新型dm9鋼在強韌性(抗彎強度、屈服強度、無缺口沖擊值)和硬度方面均高於cr12mov鋼; ( 4 )以dm9鋼與6crw2si 、 7cr2wmovsi ( dm7 ) 、 h13和cr12mov四種模具鋼的實驗比較,進一步驗證了上述冷作模具鋼合金設計方案是合適的。
分享友人