本文采用微扰的方法讨论了极性晶体表面的激子在磁场中的性质。
The properties of surface excitons of a polar crystal in a magnetic field are discussed by using a perturbation method.
本文研究磁场中强耦合多原子极性晶体中表面电子和表面光学声子的相互作用。
In this paper, the interaction between surface electron and surface optical phonon for a strong coupling polyatomic polar crystals in magnetic field is studied.
有不少的极性晶体，电子与体纵光学声子的耦合弱，但与表面光学声予的耦合强。
There is a weak bulk coupling but a strong surface coupling between the electrons and phonon for many polar crystals.
有些极性晶体，电子与表面光学声子（SO）耦合强，与表面声学声子（SA）耦合弱。
There is weak coupling between the electron and SA phonon but strong coupling between the electron and SO phonon for many polar crystals .
考虑电子发射和吸收多个虚声子的影响，讨论了压力作用下极性晶体中极化子基态的性质。
Furthermore, the properties of polarons in polar crystals are investigated by taking account of the influence of pressure effect and the electrons emitting or absorbing many virtual phonons.
研究了磁场中多原子极性晶体中多声子相互作用对弱耦合体极化子基态能量和有效质量的影响。
In this paper, effect of many phonons interaction on the ground state energy and the effective mass of weak-coupling bulk polaron for the polyatomic polar crystals in magnetic field were studied.
本论文主要从理论上讨论与研究强非线性极性晶体中电磁波和长光学波格波耦合形成的极化激元的特性。
The main topic of this dissertation is the properties of polaritons that result from the coupling between the electromagnetic wave and the lattice wave in polar crystals with strong nonlinearity.
采用改进了的线性组合算符和微扰法导出了极性晶体中与形变势相互作用的表面极化子的有效哈密顿量。
An effective Hamiltonian of surface polaron of interacting with the deformation potential in polar crystals is derived by using improved.
介绍了绝缘门极双极性晶体管（IGBT）的基本结构、工作原理、开关特性，以及在焊接逆变器中的应用。
The paper introduces the basic structure, working principle and switching feature of IGBT and its application to the converter used for welding.
该模型考虑了载流子的速度饱和现象和寄生双极性晶体管的影响，获得了开态下LDMOS漂移区中的电场分布。
The model considers the drift velocity saturation of carriers and influence of parasitic bipolar transistor. As a result, electric field profile of n drift in LDMOS at on state is obtained.
讨论了采用级联双极性晶体管结构的超宽带极脉冲发生器，并对其电路及双极性晶体管雪崩的工作原理进行了具体分析。
The paper analyses the electric circuit and the working principle of the avalanche of the bipolar transistor of the pulser with a cascade connected bipolar transistor structure.
邻苯二甲酸氢铷单晶是一种有机极性离子型晶体。
Rubidium acid phthalate (EAP) is an ionic organic polar crystal.
本文对双极性微波功率晶体管(以下简称微波功率晶体管)求解了稳态工作条件下的三维热传导方程。
The three-dimensional heat conduction equation for steady state operating conditions of bipolar microwave power transistors has been solved.
极化子的研究对于解释离子晶体和极性半导体的光跃迁过程及输运现象有重要意义。
The study on this subject plays an important role in explaining the phenomena of light transition and transport in the ionic crystal and polar semiconductor.
在相变温度范围，发现热释电响应随时间改变极性，表明晶体中两相共存。
At the phase transition temperature region, the pyroelectric response changes its polarity with time, indicating the two phases coexistence.
邻苯二甲酸氢铷(RAP)是一种有机极性离。产型晶体。本文通过实验研究了它在非极性轴方向的介电、DC电导、P -e曲线、光透过率等有关性能。
Rubidium acid phthalate (RAP) is an ionic organic polar crys-tal. In this paper, the experimental studies of its dielectric property, DCconductivity, P-E curve and transmission are reported.
最后对晶体生长的特殊形成机制进行了研究，讨论了极性对成核和鱼刺状纳米结构生长的影响。
The special formation mechanism of crystal growth is discussed, emphasizing the effect of polar orientation on the nucleation and growth of the fishbone-like ZnO nanostructure.
模拟电路实验证明用两个同极性的晶体管以多种电路接法都能获得具有S型负阻特性的两端器件。
The experimental results of analogue circuit show that type-S negative resistance can be obtained by using two like polarity transistors with various circuit connections.
本仪器测试的对象为小功率晶体管，包括：各种二极管、双极性三极管、场效应管等。
The testing objects of the instrument are low power transistors, including the common diode, the bipolar transistor, the field effect transistor and so on.
单极晶体管根据第一端子或者第二端子电连接于单极晶体管而具有负极性或者正极性。
The unipolar transistor has a negative polarity or a positive polarity in accordance with the first terminal or the second terminal electrically connected to the unipolar transistor.
该线电压极性检测电路检测线电压的 极性且控制该驱动电路以导通或截止该栅控晶体管。
The line voltage polarity detection circuit detects the polarity of line voltage and controls the drive circuit to conduct or cut off the gate-controlled transistor.
图2 - 1 (a)给出了共发射极取向的晶体管的物理特性，同时也给出了硅器件的电压极性和大小。
Figure 2-1 (a) shows the physical representation of the BJT in its common-emitter orientation, and also shows typical voltage polarities and magnitudes for the case of a silicon device.
用极性小分子苏氨酸溶液作为活性物质制作液态有机场效应晶体管。
We focus our investigation on liquid-state OFET fabricated from dissolved L-Threonine acting as active material, which is known to be a polarizable chemical.
在传统互补式金氧半薄膜电晶体的应用上，双极性传输是一基本且重要的特性。
Ambipolar conduction is an essential and fundamental property in the application of the conventional inorganic complementary metal-oxide-semiconductor thin film transistors.
在传统互补式金氧半薄膜电晶体的应用上，双极性传输是一基本且重要的特性。
Ambipolar conduction is an essential and fundamental property in the application of the conventional inorganic complementary metal-oxide-semiconductor thin film transistors.
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