空穴理論 的英文怎麼說

中文拼音 [kōngxuélún]
空穴理論 英文
cavity theory
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 名詞1 (巖洞; 窟窿) cave; cavern; grotto 2 (動物的窩) den; hole 3 (墓穴) grave4 [中醫] (穴...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 空穴 : [電子學] hole; electron hole; cavity; positive hole
  • 理論 : theory
  1. Taking this as a base, a concept of believability has been introduced, and the expression method of criterion of fuzzy critical hole expansion ratio under the upper and lower approximation set of rough set theory was advanced

    在此基礎上,引進可信度的概念,提出模糊臨界擴張比判據在粗糙集的上、下近似集下的表示方法。
  2. The theoretical analysis shows that any human activities, responsible for the changes of rock, air, water, soil and biology inside or outside the caves, will influence inevitably cave animals in terms of such levels as molecule, cell organelle, cell, tissue, organ, system, individual, population, society and ecosystem. these effects can be observed on cave animal ' s shape - building, activity, tissue structure, metabolism, space - time distribution, biothythm, structure of population and society, food chain, bio - relation, diversity of population and society, and function of the above - mentioned levels

    分析表明,凡是能夠引起地表和洞巖石、氣、水、土壤、生物等變化的一切人類活動都不可避免地使洞動物在分子、細胞器、細胞、組織、器官、系統、個體、種群、群落和生態系統各級層次上產生效應,這些效應具體表現在影響洞動物形態建成、行為、組織結構、新陳代謝、時分佈、生物節律、種群和群落結構、食物鏈結構、生物關系、種群和群落多樣性以及各層次所表現的功能的多少、快慢、強弱等方面。
  3. This should be an incentive to apply the rrpa method with non - linear effective lagrangians to study other systems such as unstable nuclei near drip lines. for nuclei with the extreme value of n / z, low - lying collective excitations are found in isovector dipole modes, which are mainly due to the particle - hole excitation of weakly bound states near fermi surface and the isospin mixture effect

    將相對無規位相近似推廣應用到奇特核集體激發態的研究,發現對于奇特核的同位旋矢量激發模式在很低能量下會出現軟模式的巨偶極共振,這主要是由於費米面附近粒子-激發所形成的。
  4. The relativistic random phase approximation ( rrpa ) is a relativistic extension of the random phase approximation for studying microscopically nuclear dynamical excitations and giant resonances. the consistency of rrpa calculations requires two aspects : first, it demands that the relativistic mean - field wave " function of nucleus and the particle - hole residual interactions in the rrpa are calculated in a same effective lagrangian. second, the consistent treatment of rrpa within rmf approximation requires the configurations including not only the pairs formed from the occupied fermi states and unoccupied stat es but also the pairs formed from the dirac states and occupied fermi states

    自洽的相對無規位相近似的自洽性要求有兩方面的內容:第一,描述原子核的激發態性質和基態性質時必須從同一個有效的拉矢量出發;第二,相對無規位相近似計算,不但要考慮正能的粒子-組態的貢獻,而且還要考慮從fermi海核子態到dirac海負能核子態形成的對激發的貢獻。
  5. These characteristics and phenomenons have effect on the quality of gear pump, and it is difficult relatively to research them by theory. at present the research is limited to the phase of examination testing. theoretic research of the characteristics and the phenomenons of polymer gear pump are blank in china when the gear pump feeds the viscous polymer liquid of chemical flow with high temperature and high pressure

    齒輪泵除具有流量和容積效率、扭矩和機械效率、功率和總效率等基本特性外,還存在著困油、噪聲和氣等現象,這些特性和現象直接影響齒輪泵的質量,對斜齒齒輪泵的這些特性和現象的研究難度較大,目前大多仍局限於實驗測試研究階段,而聚合物齒輪泵在輸送化工流程中的高溫、高壓的粘流態聚合物時特性的研究在國內基本還處于白。
  6. Xps showed that there were much chemical absorbing water on the ti _ ( 2 ) film surface which mainly existed in form of - oh, and the contents of - oh was increasing with the annealing temperature. hydrophilic property became better with the annealing temperature ; the essential relation between the changing of contact angle and light - induced - electrons and light - induced - cavities was studied in details. the photocatalysis of samples without heat treatment was very bad, but that of samples after heat treatment was much better

    Xps的分析表明:試樣的表面含有大量的化學吸附水,主要以羥基的形式存在,隨著熱處溫度的升高,吸附羥基的含量在增加;親水性能測試表明:隨著氧氣分壓的變化,其親水性能變化不大,隨著熱處溫度的增加,試樣的親水性能在變好,並從上解釋了親水性能光照前後變化和光生電子?對之間的本質關系。
  7. On the basis of in - site test of piles in two great bridges in one expressway project, this paper investigates the application of this technique applying to cast - in - situ pile in gravel, studies the bearing properties of grouted piles, examines the practicality of high - strain test use in grouted piles and analyses the grouted piles with vesic theory

    根據現場樁基動、靜載試驗,對卵石層中樁端壓力灌漿樁的承載特性進行了分析;探討了基樁高應變case法在灌漿樁中的適用性;並應用vesic球形擴張對灌漿結果進行了分析。
  8. The proposed methods can be used as data preparation techniques to detect bad data and fill the blank with a more accuracy value in an initial series. the modeling accuracy of grey system is greatly improved by such methods

    2 、針對序列中含有或不良數據的情況,將參數估計與不良數據辨識作為數據預處技術應用於灰色系統建模,使得模型預測結果更為精確。
  9. The quantitative relation of both the p - wave particle displacement proportion to charge and the root mean square of amplitude proportion to the 3 / 2 root of cavity radius was obtained, then the elongated charge, and the vertical delay stacked source, and the concentrating energy source, and the detonating seismic hammer, and opposite collision source were developed

    本文基於球腔震源的縱波位移方程、激發子波的振幅及頻率與藥量的關系等基礎,總結了縱波質點位移與藥量成正比、振幅譜均方根與半徑的3 2次方成正比的定量關系。
  10. This paper has five chapters : the first chapter : describing the evolution of the organic / polymeric electroluminescent device, analyzing its advantages and disadvantages when acting as flat display, introducing the oled structure, luminous mechanics and the methods of increasing the luminous efficiency, etc. the second chapter : discussing the effects on the performance of oled if the lif acts as an electron inject layer and / or cupc acts as a hole inject layer

    本文共分五章:第一章:詳細敘述了有機聚合物電致發光器件的研究進展,分析了其作為平板顯示的優缺點,介紹了oled結構、發光原和提高其效率的途徑等。第二章:討了lif作為電子注入層, cupc作為注入層對器件性能的影響。
  11. Firstly on the basis of twin shear unified strength theory and spherical cavity expand theory it is established the expression about target defense force, given the equations of rod projectile penetrate and impact velocities on ceramic / composite target under the same pressure and verified through the experiment. secondly the analysis model of ceramic / grfp / steel composite multi - layer target penetrate depth employing above differential equation of target defense force, penetrate velocity and rod velocity. there are two team of experiments which testify separately the penetrate depth and effect with different length - to - diameter

    首先,基於雙剪統一強度和球型膨脹建立了靶板抗力表達式,並通過壓力相等條件給出了桿式彈侵徹陶瓷復合靶板的侵徹速度與撞擊速度的表達式,最後用試驗進行了驗證;其次,利用上面的靶板抗力表達式、侵徹速度、彈桿速度的微分方程,建立了陶瓷/玻璃鋼/鋼板復合多層靶板侵徹深度分析模型,分兩組試驗對侵徹深度、不同長徑比的侵徹效果進行了驗證;最後,建立了桿式彈垂直侵徹陶瓷多層復合靶板的工程模型,給出了預測靶板抗彈性的k 。
  12. Uniform distribution of cavitation at the nozzle exit section is obtained by increasing length - diameter ratio and leads to the improvement of atomization

    從燃油霧化的角度出發,強度的提高以及在出口截面上的均勻分佈都有利於燃油的破碎霧化。
  13. Moreover, the sio2 / tio2 composite thin film showed the lowest pl intensity due to a decrease in the recombination rate of photo - generated electrons and holes under uv light irradiation, which further confirmed the film with the highest photocatalytic activity at 700 c. when the calcination temperature was higher than 700 c, the decrease in photocatalytic activity was due to the formation of rutile and the sintering and growth of tio2 crystallites resulting in the decrease of surface area

    同時,此時sio _ 2 / tio _ 2復合薄膜的熒光光譜顯示最低的熒光強度,這表明此時薄膜中的光生電子和的復合速率最低,因而更有利於物質的光催化降解。當熱處溫度高於700時,武漢工大學碩士學位文薄膜的光催化活性下降,這是由於薄膜中晶相二氧化欽的燒結和成長導致樣品的表面積下降以及金紅石相的形成。
  14. Appling p - n graded heterojunction instead of abrupt one is studied deeply in theory, and the conclusion is that it will enhance the current injection ratio, decrease the built - in voltage, improve the quality of the crystal and it will not affect the confinement to the hole

    上提出在hb - led器件的dh結構中使用p - n結的漸變異質結替代現行的p - n突變異質結。分析採用異質結漸變方式將增加hb - led的電流注入比,減小內建電勢,改善晶體質量,並且不影響p - n結對的限制。
  15. Firstly, we calculate variationally the binding energy and correlation energy of excitons in finite deep gaas - al0. 33ga0. 67as quantum wells. in the calculation, we consider the effect of effective mass and dielectric constant mismatch in the two materials. the results we obtained are basically conformed to the ones obtained from the previous theory and experiment

    首先,我們計算了有限深gaas - al _ ( 0 . 33 ) ga _ ( 0 . 67 ) as量子阱中激子的束縛能,其中考慮到了阱和壘兩種材料中電子和的有效質量以及介電常數的失配影響,我們計算得到的激子的束縛能及相關能與前人的結果和實驗結果基本上相符合。
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