隧穿模 的英文怎麼說

中文拼音 [suìchuān]
隧穿模 英文
tunneling mode
  • : 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
  • 穿 : Ⅰ動詞1 (破; 透) pierce through; penetrate 2 (通過孔、隙、空地等) pass through; cross; go thro...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  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,從等效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、等效加固后的圍巖、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;在數值擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦型為基礎,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型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對洞圍巖應力、變形的影響。
  2. In 1995, the experiment of resonant tunneling diode in a magnetic field tiled by an angle with respect to the tunneling direction was accomplished by t. fromhold and b. willkinson etc. subsequently, e. e. narimanov and a. d. stone have theoretically studied this system with the square - potential well model

    例如, 1995年, t . fromhold和b . willkinson等人所做的傾斜磁場作用下的共振穿二極體實驗,以及后來由e . e . narimanov和a . d . stone等人採用方勢阱型進行的理論研究。
  3. Firstly, i provide a brief review of the previous achievements and investigations on the low - dimensional quantum devices and semiconductor superlattice, in which some principal theories such as bloch oscillations, wannier - stark ladder, zener tunneling and related progress in experiments are introduced

    首先綜述了過去三十年低維量子器件與半導體超晶格的發展與相關研究,介紹了bloch振蕩、 wannier - stark臺階、 zener穿等關鍵理論以及相關實驗方面的進展,並引入簡化型:緊束縛型與單帶型。
  4. Hot electron tunneling mechanism of current collapse in gan hfet

    溝道熱電子穿電流崩塌
  5. Quantum capture is a complicated process and capture time computation and experiment test are provided. it is difficult to ascertain carrier ' s transportation and distribution in multiply quantum wels and tunneling time and heating emitting time computations are also provided. optical gain whose formula is complicated is a critical parameter and it is useful for structuring model to obtain a concise formula by means of experiment curve

    詳細說明了確定半導體激光器速率方程的一些重要參量的方法,如:載流子在三維sch區的輸運行為對激光器的調制特性有較大影響;量子阱對載流子的捕獲是一個復雜的過程,文中給出了量子捕獲時間的計算方法以及實驗證明;多量子阱中載流子輸運與分佈也是相當復雜的問題,文中給出了穿時間與熱發射時間的計算方法;光增益是關鍵的參量,它的解析式相當繁瑣,由實驗曲線擬合其較為簡明的經驗式,對定工作是有利的。
  6. 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道效應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型,同時分析了這種演算法在爬取中的具體實現過程。
  7. Through simulating model tests of shield tunnel passing through the yellew river in the diversion project from south to north china, a systematic analysis on the primary factors affecting joint stiffness, including arrangement of joint bolt, thickness of annular packing of bolt, behavior and thickness of cushion material between two tube plates, magnitude of prestressing force of joint bolt and different stressed states at tube plate joint etc., are performed. the study results may provide reference for tube plate design of shield tunnel

    通過南水北調穿黃盾構型試驗,對影響接頭剛度的主要因素即連接螺栓的布置、螺栓墊圈的厚度、管片與管片之間墊層材料的性能和厚度、連接螺栓的預緊力的大小及管片接頭不同的受力狀態進行了系統的分析,為盾構道管片設計提供了參考。
  8. Abstract : through simulating model tests of shield tunnel passing through the yellew river in the diversion project from south to north china, a systematic analysis on the primary factors affecting joint stiffness, including arrangement of joint bolt, thickness of annular packing of bolt, behavior and thickness of cushion material between two tube plates, magnitude of prestressing force of joint bolt and different stressed states at tube plate joint etc., are performed. the study results may provide reference for tube plate design of shield tunnel

    文摘:通過南水北調穿黃盾構型試驗,對影響接頭剛度的主要因素即連接螺栓的布置、螺栓墊圈的厚度、管片與管片之間墊層材料的性能和厚度、連接螺栓的預緊力的大小及管片接頭不同的受力狀態進行了系統的分析,為盾構道管片設計提供了參考。
  9. Comparision and combination of two calculation methods for nucleon - nucleus cross section

    理論和選擇共振隧穿模
  10. 2. calculating and analyzing the scouring and filling up of engineering across section by using two - dimensions water and sand mathematics model which is put forward in this paper. the result provides foundation for engineering designing

    ( 2 )提出利用二維水流、泥沙數學型計算分析了在出現極端水情下,工程過江斷面沖淤的情況,為穿越長江的軸線設計提供了依據。
  11. Thus, two 2d elastic finite - element models of tunnel are respectively established, both of which go through i wall - rock sector and wall - rock sector by means of large - scale finite element software ansys. thereby, the magnitude of wall stress, displacement, submergence of arch roof and terrestrial sedimentation in tunnels will be attained via numerical simulation of the whole construction process

    通過運用大型通用有限元軟體ansys ,分別建立穿越類圍巖地段和類圍巖地段的兩個二維彈塑性有限元型,進行施工全過程的數值擬,得到道中墻應力和位移以及拱頂下沉和地表沉降值。
  12. Since the concept of superlattice was proposed, vertical transport in superlattice has been investigated widely. the electric field domains and current self - oscillations which result from sequential resonant tunneling between different subbands of the superlattice are very significant phenomena. such kind of oscillation can be uesd to make tunable microwave oscillaors. in this thesis, low temperature transport problem, especially the formation of field domain and the condition of current self - oscillations in doped gaas / alas superlattice with weak coupling are investigated thoroughly and also by combining the macroscopic model with the microscopic one., the voltage - current characteristic and the current oscillation are simulated. the calculated result is nearly consistent with the experimental data

    由超晶格中子能級之間的順序多阱共振穿引起的電場疇及電流自維持振蕩現象是其中的一個非常有意義的分支,該現象可用來製作電壓調諧微波振蕩器。本論文對弱耦合摻雜gaaa alas超晶格中的縱向輸運特別是針對低溫下的場疇的形成和固定偏壓下電流自維持振蕩產生的條件進行了深入的探討,並結合宏觀型和微觀型對超晶格在時變電壓作用下的電壓-電流特性以及固定偏壓作用下的電流特性進行了擬計算。
  13. Numerical calculations are performed by the standard k - model and dynamic mesh capability on vehicles being in crosswinds, running in tunnel, passing by and overtaking each other. their aerodynamic characteristics are analyzed and some different turbulence properties are obtained

    本文對fluent進行二次開發,採用動網格技術及標準k -兩方程湍流型對類車體在側風情況、穿道及超車、交會過程進行三維非定常數值擬,獲得了規律性的認識。
  14. Based on the theory of hydrogen solution in palladium in hydrogen / palladium system and the theory of normal temperature nuclear fusion material and selective resonant tunneling model, some experiment for was carried out producing the " excess heat " and " heat after death " phenomena in ambient condition

    基於對氫鈀系統中氫溶於鈀的理論分析,並結合「常溫核聚變材料」理論和「選擇性共振隧穿模型」 ,通過實驗探索產生「過熱」 ( excessheat )及「滯后發熱」 ( heatafterdeath )現象的客觀條件。
  15. With flac3d, this paper established the shield construction numerical model and simulated the influence on shield tunnel passes through existed structure

    利用flac3d軟體建立了盾構施工的物理力學型,數值擬了盾構穿越既有結構物對結構物的影響。
  16. However, a thorough understanding of the properties and mechanisms of these materials is still lacking. in this paper, we discuss the properties observed in two kinds of half - metallic granular systems, powders and polycrystalline materials and propose two models to explain the experimental results

    我們建立了一個由直接穿電導和cotunneling電導組成的網路型,採用有效介質理論對該網路進行處理,同時還考慮了小尺寸顆粒的超順磁行為對磁電阻的影響。
  17. Taking the shield structure tunnel for project r413 of shanghai metro line 9 goes down through shanghai - hangzhou railway as a background, this paper compares and analyses the influence of ground settlement coursed by shield structure construction through fem, holds that this method shall be applied for other engineering projects to ensure the safety of the railway

    摘要以上海軌道交通9號線r413項目盾構道下穿滬杭鐵路線施工方案為背景,運用有限元數值擬,就注漿和不注漿加固兩種方案,分析了盾構法施工對地表變形造成的影響,提出合理的施工方案。
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