barrier energy 中文意思是什麼

barrier energy 解釋
勢壘能量
  • barrier : n. 1. 柵，柵欄，隔欄，障壁，隔板，擋板；賽馬的出發柵。2. 關口，（海關）關卡。3. 障礙；壁壘；界線。4. （擴伸到海洋中的）南極洲冰層。vt. 用柵圍住。
  • energy : n. 1. 干勁，活力。2. （語言、行為等的）生動。3. 〈pl. 〉 （個人的）精力；能力。4. 【物理學】能，能量。
  1. Ideally, the cars slide along this wall or crash barrier and dissipate energy and speed

    理想上，賽車沿著這面墻或者是防撞護欄消散沖擊力和速度。
  2. For the long term operation, the growth rate of temperature is higher than that of average temperature of the soil, the system analysis should therefore be implemented from the viewpoint of both energy equilibrium and heat barrier in order to ensure the whole stability and reliability

    長期運行中，熱屏障帶的溫度增長速率要高於土壤平均溫度的增長，建議從負荷平衡和熱屏障兩個角度進行分析，以保證地源熱泵系統穩定可靠的運行。
  3. Conventional resonant tunnel diodes allow currents to flow at a specific voltage, one at which the electrons have an energy that is resonant with the tunneling barrier

    傳統共振穿隧二極體在特定電位下可讓電流通過，此時電子的能量共振于（即等於）穿隧位障。
  4. The t type barrier stilling basin has developed to a new energy dissipation technology which is adapted for energy dissipation of underflow in recent years

    T形墩消力池是近年來發展起來的新型消能技術，適用於底流消能形式。
  5. 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。
  6. This overview highlights selected algorithmic solver code advances in the used simulation tools, the use and the modelling of new materials for crash energy absorption, concept car design techniques, massive parallel programming and performance gains, side impact barrier modelling, mechanical occupant surrogate modelling ( dummies ), biomechanical models of human parts, as well as extensions of crash simulation techniques to the simulation of drop tests for appliances, shock absorption of a mars lander, etc

    內容包括作為模擬手段的計算程序的最新進展，新的緩沖材料的應用和模擬，大規模并行程序的編制和性能的增加，側撞障礙物模擬，乘客模型（假人） ，生物人體部件模型，碰撞模擬技術擴展應用到設備跌落試驗和火星著陸艙的緩沖等。
  7. 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。
  8. 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。
  9. If the wave energy is weak coastal barrier sands do not form where the delta meets the sea.

    如果波浪能量低，在三角洲與海交匯的地方就不會形成海岸障壁砂。
  10. Microstructural change and thermal shock performance of metal / ceramic graded thermal barrier coatings in thermal shock experiments were studied by scanning electron microscope and energy - dispersive spectrometry. the results showed : 1 ) metal microstructure kept intact while ceramic microstructure had been destroyed ; 2 ) thermal shock performance of coatings was interrelated with its function to relax residual stresses, therefore thermal shock performance of gradient thermal barrier coatings was better than that of terraced thermal barrier coatings ; 3 ) thermal shock performance was concerned with metal content in metal / ceramic thermal barrier coatings, which would be improved when metal content was increased

    利用掃描電子顯微鏡和能譜成分分析技術研究了金屬/陶瓷梯度熱障塗層在熱震過程中的顯微組織變化及其抗熱震性能.結果表明： 1 ）金屬顯微組織保持完好，陶瓷顯微組織有明顯的破壞； 2 ）塗層抗熱震性能與其熱應力緩和功能密切相關，梯度熱障塗層比階梯熱障塗層具有更高的抗熱震性能； 3 ）金屬/陶瓷熱障塗層抗熱震性能與其中金屬相含量有關，金屬相含量增加可改善塗層抗熱震性能
  11. The revolutionary nib - seal bronze ball valve stops condensate, cold. its unique thermal barrier design keeps moisture from infiltrating your insulated system while preventing thermal energy loss through exposed metal handles

    具有創新功能的nib - seal青銅球閥能夠防止冷凝和冷卻。獨特的熱障結構設計阻止水分滲透到保溫系統中，防止熱能從暴露的金屬手柄上流失。
  12. 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。
  13. 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
  14. Energy dispersive x - ray analysis in studying the permeability of blood - brain barrier caused by lead in rats

    採用能譜法研究鉛對大鼠血腦屏障的通透性
  15. By analyzing their energy offset on the interfaces, we found that the introduction of ii - vi compounds replaces the original steep barrier with ladder - like barriers. the injection probability becomes the production of two injection probabilities through lower barriers and become larger than the original one. in chapter 5 we want to utilize the deeper, dynamical ( in addition of static ) properties of semiconductor to reinforce the luminescence of oel

    為使類陰極射線發光同有機電致發光集成，我們設計了非對稱結構al sioz mnppvn ， mn ppv中的發光是由於從sioz出來的電子和從ld注人的空穴的復合，而由於sioz中的電子的倍增過程，從sioz層出來的電子能量不是單一的，而有一個從低能到高能的分佈。
  16. Energy barrier. you convert energy attacks to harmless light

    能量障壁：你將能量攻擊轉變成無害的閃光。
  17. 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。
  18. Energy barrier and post - buckling behavior for thermal buckling of a liner shell

    點鉚固殼環熱屈曲能障及后屈曲性態
  19. Because of the larger contact angle 9 of low - energy surface, the phase transformation energy barrier of vapor is higher than those of high - energy surface, and the frosting of air cooler is effectively restrained ; 3

    低能表面因水接觸角大，水蒸氣相變時的核化能障較大，從而有效地抑制了蒸發器的結霜。
  20. 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。
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