tunneling effect 中文意思是什麼

tunneling effect 解釋
穿隧效應
  • tunneling : 管道傳送，隧道，管道傳輸
  • effect : n 1 結果。2 效能，效果，效力，效應，作用，功效；影響。3 感觸，印象；外觀，現象。4 旨趣，意義。5 ...
  1. Magnetic properties of feco - sio2 granular film and its tunneling magnetoresistance effect

    2顆粒膜的磁性和隧道磁電阻效應研究
  2. By analysis and comparison of the results, we draw the conclusion as follows : firstly, the quantum tunneling effect is quite pronounced

    通過分析和比較計算結果，我們得到如下結論。第一，體系的能量-反應幾率變化曲線說明量子隧道效應顯著。
  3. It is found that the main electronic conduction mechanism in the high field regions of the i - v characteristics is identified to be fowlernordheim tunneling. the effect of y ray on sic mos c - v characteristics depends strongly on the bias voltage applied to the gate electrode during irrad

    當氧化層中存在較強電場時，電離輻照對s匯mos電容的影響會更明顯， sicmos器件比st器件具有更好的抗y輻照的能力。
  4. We examin e the generation of bell state in bose - einstein condensates of two interacting species trapped in a double - well configuration analytically and the density of probability for finding the entangled bell state is given. we find that the oscillation amplitude of the probability of density for finding the entangled bell state becomes greater as the ratio of the interspecies interaction strength and the tunneling rate increases, moreover the self - interaction strength of the component a ( b ) has no effect on it. also we use the time - dependent su ( 2 ) gauge transformation to diagonalize the hamilton operator, obtain the berry phase and analytically the time - evolution operator

    此外我們還研究了在雙阱玻色-愛因斯坦凝聚中糾纏態的演化，研究發現隨著組分間相互作用和隨穿率的比值的增加系統演化到bell態的概率變大，而且組分自身內在的相互作用對形成bell態的幾率沒有影響；並且用含時su （ 2 ）規范變換對角化哈密頓量得到了系統的berry位相和時間演化算符，並研究了量子隨穿過程。
  5. The results showed that with the increase of the field strength, the conduction of the films was separately dominated by ohm ' s law, schottcky effect, pool - frenkel effect, and fowler - nordheim tunneling breakdown

    結果顯示，隨著場強的增加，導電機制分別以歐姆定律、肖特基效應、普爾弗蘭凱爾效應，和f - n為主，最後發生f - n擊穿。
  6. Theoretical study of tunneling effect in one - dimensional quantum sine - gordon model

    模型隧道效應的理論研究
  7. It provided a in - depth discussion about the mechanism of tunneling effect as well as the i - v relation and the expression of tunneling current based on the model of metal - insulator - metal

    對隧道效應理論進行了深入探討，並以金屬?絕緣層?金屬結為模型，討論了隧道效應中的i ? v關系以及針尖一樣品間的隧道電流表達式。
  8. 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 ）的材料是產生大的隧穿磁電阻（ tmr ）效應的關鍵之一，而半金屬（ half - metal ）鐵磁材料的自旋極化率p理論上可達100 。
  9. Bolt has been in wide use as a kind of support in tunneling, especially fully grouted bolt. but the design method for fully grouted bolt is limited due to the shortage of it ’ s support effect mechanism at present

    錨桿尤其是全長粘結式砂漿錨桿是隧道工程廣泛應用的支護型式，但由於目前對全長粘結式砂漿錨桿支護作用力學機理認識不足，使其設計方法存在一定的局限性。
  10. Secondly, in view of the limitation and shortage of traditional simulation of finite element approaches for bolt, a new composite grouted bolt element including nonlinear contacting relation will be built based on the above study of the mechanics mechanism of fully grouted bolt. then, an elastic - plastic finite element program will be developed for the analyses of tunnel stability, in which the composite grouted bolt element and nonlinear finite element analysis method will be used ; the patterns and the affect of main design parameters on the support effect of bolt will be analysed using the program, and conclusions of guidance importance for tunnel support design will be drawn. finally, simulation compution for the excavation and support of a highway tunnel will be made out using the above production, and the method of application of the program will be discussed ; analysis of the deformation, stress and distribution of plastic range will be done, and rational support plan will be worked out, which is of guidance importance for tunnel support design and the thery and technique of fully grouted bolt used in tunneling will be perfected further

    首先，本文在綜合分析隧道穩定性影響因素及失穩破壞模式的基礎上，對全長粘結式砂漿錨桿作用力學機理進行了深入研究，為全長粘結式砂漿錨桿的有限元模擬分析奠定了基礎;其次，針對傳統錨桿有限元模擬方法的局限性與不足，在上述全長粘結式砂漿錨桿作用力學機理研究基礎上，建立出能反映界面非線性粘結的新型復合砂漿錨桿有限單元模型;然後，運用上述復合砂漿錨桿單元模型，引進非線性有限元分析手段，開發了隧道支護穩定性分析的有限元程序，並就全長粘結式砂漿錨桿的型式與設計參數對支護效果的影響進行了深入探討，得到了對隧道支護設計具有指導意義的結論;最後，運用本文研究成果對某公路隧道工程實例進行了開挖與支護的模擬計算，探討了其應用方法，並就隧道變形與應力及塑性區分佈規律進行了分析，從而提出了合理的支護方案，為隧道支護設計提供了參考依據，完善了隧道全長粘結式砂漿錨桿支護的理論與方法。
  11. 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
  12. 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

    研究光子隧道穿透效應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應用的交叉課題，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應用價值。
  13. Magnetoresistance effect of double - barrier magnetic tunneling junction applied in spin transistors

    雙勢壘磁性隧道結的磁電阻效應及其在自旋晶體管中的應用
  14. Gmr effect is also discoveried in guanular film 、 tunneling junction resistance and spin valve. the

    但在這幾種巨磁電阻效應中，要數隧道結巨磁電阻效應最引人注目。
  15. This paper discussed about the changes of stress state on effect of soil properties. the reason of surface settlement and layer losses is that the stress state is not primeval one in and after tunneling construction. therefore it is necessary to select strength data in actual stress path in making tunnel deformation and stability analysis with continuous media mechanics

    本文討論了隧道施工過程中，由於應力狀態的變化對土性的影響， ，隧道施工之所以造成地表沉降和地層損失，是因為隧道施工過程中以及隧道施工結束後土層的應力狀態已經不是原始應力狀態，因此在選用連續介質力學方法對隧道施工進行變形和穩定性分析時，必須採用實際應力路徑下強度參數。
  16. The tunneling magnetoresistance effect and microstructure of fe25ni75 sio2 discontinuous multilayer films

    2多層膜的微結構和隧道磁電阻效應
  17. 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。
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