能量壘 的英文怎麼說

中文拼音 [néngliánglěi]
能量壘 英文
energy barrier
  • 能 : 能名詞（姓氏） a surname
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 壘 : Ⅰ動詞（用磚、石、土塊等砌或築） build by piling up bricks stones earth etc : 壘豬圈 build a pigst...
  • 能量 : 1 [物理學] energy; amount of energy 2 （能力） capabilities; capacity; 能量不滅 conservation of e...
  1. Gaas / algaas quantum well photodetectors ( qwips ) are new type devices and progressed rapidly in recent 20 years. qwips utilizing intersubband absorption between gallium arsenide ( gaas ) well and aluminum gallium arsenide ( alxga1 _ xas ) barriers were perfected. therefore, the ability to accurately control the band structure and hence the spectral response, as well as both established technology for growing and processing gaas optical devices and commercially available large area vlsi gaas ic ' s, makes gaas / algaas qwips attractive devices for use in very large focal plane arrays ( fpas ), especially available in the range of long wavelength 8 - 12 urn

    Gaas algaas量子阱紅外探測器（ qwips ）是近二十年來迅速發展起來的一種新型紅外探測器，它成功地利用了gaas勢阱和al _ xga _ （ 1 - x ） as勢壘之間的子帶間吸收，使之具有能帶結構可精確設計從而獲得指定光譜響應的特點，加之成熟的材料生長技術、器件工藝，以及商業上可獲得大面積的vlsigaas集成電路，使得gaas algaasqwips尤其適宜製作8 12 m長波范圍的大面陣探測器。
  2. The result does not accord with the corresponding relation between the classical and the quantum. in quantum mechanics, because the particle has wave - corpuscle duality, the particle can tunnel the potential barrier which is higher than its energy

    這說明我們普遍認為的經典可積量子也可積的觀點在有些情況下並不適用，之所以會出現這個結果，與量子力學中粒子具有波粒二象性有很大關系，粒子的波動性使它能夠貫穿高度大於它自身能量的勢壘。
  3. On the basis of one - electron hartree - fock approximation, the extended - ion method and ab initio method have been used to investigate the f center migration between f ~ - layers, br ~ - layers and from f ~ - layer to br ~ - layer. we have calculated the energy barrier of these three f center migrationes and energy of f center, exciton energy. the results of f center and exciton are in good agreement with the experimential data

    本文是在單電子hartree - fock近似的基礎上採用擴展離子方法和全電子從頭計算方法，研究了bafbr ： eu ~ （ 2 + ）晶格中的f ~ -離子層間的f心遷移， br ~ -層的f心遷移和f ~ -離子與br ~ -離子層間f心遷移過程中的能量勢壘和f心基態、激發態以及激子能量，對于f心和激子的研究結果與實驗符合的很好。
  4. The transmission factor describes the gradual opening of a fission channel as the energy approaches the fission barrier.

    透射因子描述了當能量趨近於裂變勢壘時裂變逐漸地開放。
  5. In the second part, we discuss the binding energy of the impurity in finite gaas / gai. xalxas quantum wire in the first place, in which the dismatch of effective mass and dielectric constant between the well and the barrier is taken into account

    在第二部分，首先討論了有限深gaas ga _ （ 1 - x ） al _ xas量子阱線中雜質態的束縛能，其中考慮到了阱壘中電子有效質量及材料中介電常數的失配性。
  6. We have investigated transport properties of electrons in magnetic quantum structures under an applied constant electric field. the transmission coefficient and current density have been calculated for electron tunneling through structures consisting of identical magnetic barriers and magnetic wells and structures consisting of unidentical magnetic barriers and magnetic wells. it is shown that the transmission coefficient of electrons in a wider nonresonance energy region is enhanced under an applied electric field. the resonance is suppressed for electron tunneling through double - barrier magnetic ( dbm ) structures arranged with identical magnetic barriers and magnetic wells. incomplete resonance at zero bias is changed to complete resonance at proper bias for electron tunneling through dbm structures arranged with different magnetic barriers and magnetic wells. the results also indicate that there exist negative conductivity and noticeable size effect in dbm structures

    對磁量子結構中電子在外加恆定電場下的輸運性質進行了研究.分別計算了電子隧穿相同磁壘磁阱和不同磁壘磁阱構成的兩種磁量子結構的傳輸概率和電流密度.計算結果表明，在相當寬廣的非共振電子入射能區，外加電場下電子的傳輸概率比無電場時增加.對于電子隧穿相同磁壘磁阱構成的雙磁壘結構，共振減弱；對于電子隧穿不同磁壘磁阱構成的雙磁壘結構，無電場作用時的非完全共振在適當的偏置電壓下轉化為完全共振，這時的電子可實現理想的共振隧穿.研究同時表明，磁量子結構中存在著顯著的量子尺寸效應和負微分電導
  7. Referring to the formation process of qd, it is accepted that there formed a groove around the dot during the formation process due to mass - transfer. when the dots were capped by a compound with larger band gap, there will appear a potential maximum due to larger confinement. the maximum will prevent the carriers from entering the dot, and the origin of the kink point is resulted from the prevention

    根據s - k模式量子點的形成過程，我們認為在點的形成過程中由於質量遷移會在點的周圍形成一個凹槽，加上覆蓋層后，由於大的量子限域效應該處將形成一個勢能極大值，該勢能極大值將阻礙載流子從勢壘層向量子點的注入，該過程是導致上述拐點出現的原因。
  8. Standardization, woodworking machinery of production, to take important means and essential terms that produce now, it is the variety of woodworking machinery of rational development, prerequisite of organizing specialization to produce, it is the foundation that enterprises implement scientific management and information - based management, is the assurance of improving product quality, reduce the base that raw materials and energy waste, popularize the new craft, bridge of the new technology, dispel the international trade barrier, the important guarantee of bringing about an advance in international trade

    木工機械生產的標準化，是現化化生產的重要手段和必要條件，是合理發展木工機械品種組織專門化生產的前提，是企業實行科學管理和信息化管理的基礎，是提高產品質量的保證，是減少原材料和能源浪費的根本，是推廣新工藝新技術的橋梁，是消除國際貿易壁壘，促進國際貿易發展的重要保障。
  9. Kitchen and washroom were kept out the house. in this kind of house, the living space is very limited and only can satisfy the requirement of sleeping. the special space of common activities in congregate housing disappeared

    文革開始后，全國強調降低非生產性建築造價，因陋就簡，實行干打壘的住宅建設方式建造大量簡易房，每產將廚廁擠到戶外，在居住空間十分有限的簡易房空間內，只能維持最低生活要求? ?寢的需要，專屬宅內公共活動空間消失。
  10. In this paper, first, the study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied. then, the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code ， and the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position are obtained. and, the group velocity and energy velocity of wave packet through barrier are calculated

    從90年代開始， emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖的傳播。在本論文中，作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式，然後，採用magic程序模擬了這種波導結構中電磁波的傳播情況，得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖，並由模擬結果計算了波包穿越勢壘的群速和能量速度。
  11. It is showed the energy barrier is very high in transformation from h - bn to r - bn, but it is very low from r - bn to c - bn. in fact, defects and impurities in c - bn thin films might favorably drive the transformation from h - bn to c - bn. defects and impurities can reduce the energy barrier for the transformation from h - bn to r - bn

    研究發現:純的h - bn到r - bn的轉變需要克服一個很高的能量勢壘，而r - bn到c - bn的轉變只需要克服一個很低的能量勢壘; c - bn薄膜中存在的大量缺陷和雜質大大降低了從h - bn到r - bn轉變所需要的能量，促進了薄膜中立方相的形成。
  12. When the energy accumulation surpasses the potential barrier and reaches the expected difficulty, thus completing the process of thinking creativity

    通過超過勢壘能量的蓄積，達到預定成果的難度水平，即可以完成思維創新過程。
  13. One reason for that is the dismatching of effective mass and dielectric constant between the well and the barrier, another important reason is the consideration of the correlation between confined and non - confined direction in the wider well condition

    其原因是除了考慮了阱壘中電子有川北帥他人學顧十研究生學位論義蘇會效質量及介電常數的失配性外，更重要的是在寬階時不能忽略限制方向與非限制方向的相關性因素
  14. In the case of 8 interaction potential, because the range of action is very small, the influence that the energy levels are suffered by the tunneling effect is smaller than that of the nonzero distance interaction ; the system ca n ' t manifest the chaotic character. the conclusion shows that the wave - corpuscle duality and the tunneling effect can make t

    在占勢作用時，雖然也有勢壘隧穿ll . j影響，但是由於作用勢存在的范圍很小，量子系統的能級受到的影響t匕非零距離作用勢時小得多，所以不會出現goe的統計分佈。
  15. In the first part, following ref [ 27 ], the expression of the envelop function is obtained. then, considering the dismatch of effective mass between the well and the barrier, using the variational approach, we calculate the binding energy of hydrogenic impurity

    在第一部分，我們按照文獻[ 27 ]中的方法，得到了包絡函數的表達式，並利用變分法計算了類氫雜質的束縛能，其中考慮了阱壘中電子有效質量的失配性。
  16. The binding energies of excitons are calculated with the use of variational approach, we consider the mismatch of effective masses between the well and the barrier in the process of calculation, calculate and talk about the virial theorem values in square quantum - well wires in presence of a magnetic field

    本文採用變分法，在外加磁場條件下分別計算了激子在無限深和有限深方形量子線中的基態束縛能。在計算的過程中進一步考慮了阱，壘中粒子有效質量不匹配的影響，最後我們計算並討論了外加磁場情況下的維里定理。
  17. For many years. because chinese construction industry has been surrounded by a low barrier, multitude of various enterprises entered into, which leads to a large amount of surplus of production competence

    多年來，由於中國建築產業的進入壁壘很低，大量企業湧入，產業生產能力大量過剩。
  18. Test method for measuring softball bat performance factor

    測量壘球球棒性能因數的試驗方法
  19. Standard test method for measuring softball bat performance factor

    測量壘球球棒性能因數的標準試驗方法
  20. The applicability of complementary - cluster energy - barrier criterion on researching stability of shaft system torsional vibration is discussed

    對互補群群際能量壁壘準則在汽輪發電機組軸系扭振穩定性研究中的適用性進行了探討。
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