有效質量 的英文怎麼說

中文拼音 [yǒuxiàozhíliáng]
有效質量 英文
active mass
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 有效 : effective; valid; efficacious
  • 質量 : 1 [物理學] mass 2 （產品或工作的優劣程度） quality 3 economy （離子源的）; 質量標準 quality level...
  1. Temperature properties of the effective mass of bound polaron

    束縛極化子有效質量的溫度特性
  2. At last, we discuss the structure of d - stars in the spacetime with a nonzero cosmological constant. the metric and effective mass formula of d - stars have been educed

    本文的第三部分，主要討論了帶有非零宇宙常數時空中d星的結構，導出了它的度規和有效質量公式。
  3. The binding energies and the ground state energies of hydrogen impurity in a lens - shaped quantum dot ( gaas / inl - xgaxas ) under vertical magnetic field using effective mass approximation and variation method have been discussed

    利用有效質量近似、變分法，研究了垂直磁場下透鏡型量子點（ gaas / in1 - xgaxas ）摻入類氫雜質后基態能和結合能。
  4. After our careful analysis, we find that there are finite part which is temperature dependent in this zero - point energy. so we have separated this part and discussed its influence to the effective nucleon mass. the result shows that this part has remarkable contribution at high temperature

    但經仔細分析會發現，零點能中含有與溫度相夫的有限部分，我ilte它分離出來並討論了其xde子有效質量的影響，發現在高溫下，這一零點s眶正有著顯著的貢獻
  5. The third aspect : as is known, the main reason of proposing zm model is to improve the properties of effective nucleon mass in qhd - i model

    第三個方面， z翩的提出主要是為了解決qhd中核子有效質量在高溫下的陡降問題
  6. In the second part, the deduced self - energy in 63 theory is derived at hard thermal loop approximation. then we calculate the effective mass and damping rate, and also show that there is thermal instability above a critical temperature tc

    在此基礎上，出自能實部和虛部與一些介質效應的對應關系式，進而求得了粒子的有效質量和衰變率，並討論了_ 6 ~ 3理論的熱不穩定性。
  7. It is proved that the system ' s structure model is correct, the database model is proper and effective, and the result is accurate by building up and managing one aircraft ' s whole mass properties database

    通過對已有飛機型號完整的質量特性數據庫的建立和管理，表明系統的結構模型是正確的，數據庫模型合理有效，質量特性計算準確、快速。
  8. In this paper, the subband structure in the inversion layer is constructed by solving the self - consistent schr ? dinger equation, thus the carrier effective mass and scattering rate can be obtained. furthermore, taking account for the carrier density in each subband, we establish carrier mobility model in strained - si mosfet

    本文通過求解自洽薛定諤方程，確定了應變硅mosfet反型層的子能帶結構，在此基礎上經進一步計算得到子能帶內載流子的有效質量和散射幾率，綜合考慮各子能帶上的載流子的濃度分佈，建立了應變硅mosfet載流子遷移率的解析模型。
  9. Abstract : the vibration solution of a massive spring system is presented, the effective mass of a spring is derived. the approximate period of the vibration is given

    文摘:給出了彈簧質量不可忽略的彈簧振子系統的振動解，導出了彈簧的有效質量的漸近級數表達式，指出振動呈擬周期性
  10. We take the center of well as the origin of coordinates. we noticed that the electron ' s effective mass is different in the well and in the barrier, but did n ' t pay attention to the mismatch of the dielectric constant

    33 ）量于階中心，把量子階中心選作坐標原點，考慮了在階中和壘中電子的有效質量的不同，但沒有考慮在階中和壘中介電常數的失配性。
  11. 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。
  12. 3 the carrier transportation and transition in led active layer had been analyzed. the larger number of quantum wells are in active layer, the lower carrier density will be, and the better confinement of carrier is

    ） y方向上的有效質量減小，而輕空穴則具有負的有效質量，這對器件電注入和光輻射復合是有利的。
  13. We find that the relations between the electronic effective mass of lowest - lying conduction band and wave vector are resemble, not only for narrow - gap semiconductor zigzag tubes but also for wide - gap semiconductor zigzag tubes. the electronic effective masses at bottom of lowest - lying conduction band depend on their tube - diameters

    我們發現，無論是鋸齒型窄隙半導體管還是鋸齒型寬隙半導體管，同一類管的最低導帶的電子有效質量隨波矢變化的規律基本相同，且其導帶底的電子有效質量隨管徑的增大而減小。
  14. Based on the effective mass theory and critical state model, an anisotropic theory of critical current and ac losses for single hts tape and tape stacks were established. analytical formulae were presented to calculate critical currents and ac losses with an arbitrary angle between the wide side of hts tape and the direction of ac or dc applied fields. from the anisotropic theory of ac losses of hts sample, a numerical model to calculate ac losses of hts coil was developed

    基於臨界態模型與高溫超導體的有效質量理論，建立了高溫超導帶材及並聯堆疊帶材的交流損耗與臨界電流的各向異性理論模型；給出了高溫超導帶材的交流損耗及臨界電流隨（交、直流）背景磁場與超導帶面夾角變化規律的理論公式；依據所建立的高溫超導短樣帶材的各向異性理論公式，給出了高溫超導線圈交流損耗的數值計算模型；並利用該模型，計算了高溫超導雙餅線圈的交流損耗；並與實驗測量結果進行了比較分析。
  15. Again, the electronic effective masses at bottom of lowest - lying conduction band of narrow - gap semiconductor zigzag tubes are inversely proportional to square of their tube - diameters. as for chiral tubes, the electronic effective masses at bottom of lowest - lying conduction band contact with their tube - diameters and chiralities

    此外，鋸齒型窄隙半導體管導帶底的電子有效質量與其管徑的平方成反比關系；對于螺旋型管，其導帶底的電子有效質量不僅與管徑相關，而且與螺旋度也相關聯。
  16. In this paper, the wavefunction is expanded in terms of the two - dimensional harmonic oscillator eigenfunction and the mismatch of the effective mass is considered. we calculate the energy of the ground state, the energy of the first excited state and the oscillator strength of the single electron in a square quantum wire with finite barriers

    本文選取了以二維諧振子本徵函數為基展開的波函數，並且考慮了有效質量的失配性，計算了有限深方形量子線中單電子的基態能，激發態能和振子強度。
  17. Topics covered include : crystal lattices, electronic energy band structures, phonon dispersion relatons, effective mass theorem, semiclassical equations of motion, and impurity states in semiconductors, band structure and transport properties of selected semiconductors, and connection of quantum theory of solids with quasifermi levels and boltzmann transport used in device modeling

    被覆蓋的論題包括：晶格、電子能帶結構、聲子色散關系、有效質量理論、半經典運動方程和半導體中的非純態、選擇性半導體的帶結構和輸運性質固體量子理論與準費米能級以及用於器件建模的玻爾茲曼輸運理論之間的聯系。
  18. Effective masses at the top of valence band and at the bottom of conduction band are deduced from the band structure

    價帶頂和導帶底的有效質量從計算得到的能帶結構中求出。
  19. We discuss the qcse of the impurity in the finite square qwws considering impurity position, and raise a point of the qcse under the influence of the masses mismatch and the aspect ratio of the quantum well wires. without considersion of the mismatch of the effective masses between the well and barrier, we obtain the conclusion as follows : ( l ) the first band energy of the electron is decreased under the electric field

    在前人工作的基礎上，我們在有效質量近似下討論了外加電場下有限深方形gaas ga _ （ 0 . 63 ） al _ （ 0 . 37 ） as量子阱線的雜質態和雜質的stark能移，並把我們的結果與前人的結果進行了比較。
  20. In two - component model of hydrogen - bonded chains, the system with nonlinear and linear coupling between proton sublattice and heavy - ion sublattice is investigated. fast - mode soliton pair and slow - mode soliton pair are obtained. as for fast - mode soliton the effective mass of the kink in the proton sublattice decreases due to the nonlinear coupling and increases due to the linear coupling. for slow - mode soliton, the thing is quite opposite to that of fast - mode soliton

    在氫鍵鏈二分量模型中，研究質子子晶格和重離子子晶格相互作用項中同時含有非線性耦合和線性耦合兩部分的系統，得到快模孤子偶和慢模孤子偶.對于慢模孤子而言，非線性耦合降低了質子子晶格中孤子的有效質量，而線性耦合增加了質子子晶格中孤子的有效質量；對于快模孤子而言，情況正好相反
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