穿隧效應 的英文怎麼說

中文拼音 [chuānsuìxiàoyīng]
穿隧效應 英文
tunneling effect
  • 穿 : Ⅰ動詞1 (破; 透) pierce through; penetrate 2 (通過孔、隙、空地等) pass through; cross; go thro...
  • : Ⅰ名詞1. (隧道; 地道) tunnel; underground pass2. [書面語] (道路) road3. (郊外的地方) suburbsⅡ動詞[書面語] (旋轉) turn
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • 效應 : [物理學] effect; action; influence
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的力場、位移場的變化規律進行了研究,分析了加錨支護對洞圍巖力、變形的影響。
  2. Quantum tunneling and macroscopic quantum effects in molecular magnets

    分子磁體中的量子穿及宏觀量子
  3. Therefore, it is an efficient way to dilute cro2 granules for enhancing extrinsic mr, due to the formation of new metal - insulator microstructure, which adjusts natures of barrier. in much of work published, much interest involves the fabricating technique and magnetotransport of cro2 ferromagnet, experimentally

    因此,採用cro _ 2 -絕緣顆粒復合的方法,以形成新的微結構來調整顆粒界面狀態和穿勢壘性質,是降低外磁場、增強外稟磁電阻的有手段。
  4. It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling. first, a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects. then, spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii. finally using the periodic instanton method we evaluate the transition amplitude, energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained

    文章首先對磁性宏觀量子的理論和實驗方面作了簡單介紹,然後藉助于ulyanov和zaslavskii發展的一種等勢描述方法,把外磁場沿難磁化軸方向時的自旋穿約化成在等雙勢阱中運動的粒子,利用瞬子方法給出基態能級劈裂,最後利用周期瞬子方法分別計算了穿幅、能級移動以及wkb前因子,從而給出由於熱助量子穿引起的激發態的穿率。
  5. With the continued scaling - down of mosfet, the ultra - thin gate oxide causes some serious problems of devices. the ultra - thin sio2 dielectrics cause significant leakage current, consequently increases standby power of device. meanwhile, the reliability of gate dielectrics is also degraded

    當mosfet器件按比例縮小到70nm尺寸以下時,傳統的sio _ 2柵介質的厚度將需要在1 . 5nm以下,如此薄的sio _ 2層產生的柵泄漏電流會由於顯著的量子直接穿而變得不可接受,器件可靠性也成為一個嚴重的問題。
  6. The mram needs to be of a large magnetoresistance ( mr ) effect at room temperature and lower magnetic field, in order to demands of practical application. however, the large tunneling mr effect is strongly dependent upon electrode material, which is of high spin polarization

    採用高自旋極化率( p )的材料是產生大的穿磁電阻( tmr )的關鍵之一,而半金屬( half - metal )鐵磁材料的自旋極化率p理論上可達100 。
  7. The effects of the operation temperatures, gate voltages, drain - source voltages and magnetic field upon the characteristic of device are analyzed in detail. coulomb blockade and single electron tunneling are observed in the devices. 3

    詳細地分析了工作溫度、柵極電壓、漏源電壓和磁場對其特性的影響,觀測到明顯的庫侖阻塞和單電子穿,器件的工作溫度可達到77k以上。
  8. 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.對于電子穿相同磁壘磁阱構成的雙磁壘結構,共振減弱;對于電子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穿.研究同時表明,磁量子結構中存在著顯著的量子尺寸和負微分電導
  9. Current flows through the device by the process of quantum tunneling : a small number of electrons manage to jump through the barrier even though they are forbidden to be in the insulator

    電子在元件中利用量子穿隧效應流動,少量的電子可穿過絕緣層的障礙到達另一邊。
  10. Underlain by these models and theories, a crawling algorithm based on " tunneling " and bayes classification is explored and a mathematical function model of tunneling distance for this algorithm is established, and moreover the practical procedure of this crawling algorithm is discussed

    在這些研究的基礎上,本文探索了一種基於和貝葉斯分類途徑的特定主題爬取演算法,並建立了這種爬取演算法的穿越距離函數模型,同時分析了這種演算法在爬取中的具體實現過程。
  11. It is a cross - issue involving many subjects simultaneously for us to study the photonic tunneling effect or the anomalous propagation of electromagnetic wave, and, as a young and spunky field, it has theoretical and practical interest

    研究光子穿或電磁波的異常傳播現象,是一個同時牽涉到多個學科的理論與用的交叉課題,同時也屬於一個年輕且頗具生機的領域,研究這一領域既有理論價值也有用價值。
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