正子

Using characters of periodic fading of channel in frequency selectivity, the invented method partitions orthogonal FDM modulation sub carrier wave into some sub bands in two types crossed arranged to be assigned to two typed users.

一种正交频分复用调制子载波分割与子带交叉排列的方法，用于数字信息传输技术领域。

In this paper the synthesis of propyl gallate from gallic acid and n-propyl alcohol as reactants and catalyzed by sodium bisulfate was studied; various influencing factors on the reaction were also investigated.

研究了以硫酸氢钠为催化剂，没食子酸和正丙醇为原料合成没食子酸丙酯，并考察影响反应的因素。

Chapter 2 is devoted to the third order nonlinear Schrodinger equation with fiberloss term.

第三章研究弱阻尼〓方程的吸引子的正则性和吸引子的流形逼近，该方程实际上是第二章中三阶〓方程的特殊情形。

Direct and inverse theorems of approximation by this kind of operators are discussed, and the Jackson—type integral estimation of approximation and Steckin — Marchaud inequality of weak type of uniform approximation for these operators are obtained.

讨论了一元Bernstein型算子的逼近正逆定理，建立了该算子逼近的Jackson型积分估计式和一致逼近的弱Steckin-Marchaud型不等式。

With the use of linear-combination operator and unitary transformation method,the influence of the dispersion of phonons on the properties of weak-coupling magnetopolaron in a parabolic quantum dot is studied.

利用线性组合算符和幺正变换的方法，研究声子色散对磁场中抛物量子点弱耦合磁极化子性质的影响。

Considering interaction between phonons and electron spin and using unitary transformation and linear combination operator method, studied is influence of electron spin on energy magnetic field effect of weak-coupling 2-D spin magnetopolaron in SiC.

在考虑声子之间相互作用和电子自旋的情况下，应用么正变换和线性组合算符法研究了电子自旋对SiC半导体弱耦合二维自旋磁极化子能量磁场效应的影响。

The properties of bound magnetopolaron with strong electron-LO phonon coupling were studied using a linear combination operator and a unitary transformation method in an asymmetry quantum dot.

采用线性组合算符和幺正变换方法，研究了非对称量子点中电子和体纵光学声子强耦合下束缚磁极化子的性质。

The influence of the electric field on the properties of the bound magnetopolaron in an infinite-depth GaAs semiconductor quantum well is investigated using the linear-combination operator and the unitary transformation method. The relationships between the polaron's ground state energy and the Coulomb bound potential, electric field, magnetic field, and well-width are derived and discussed.

研究了在外加电场作用下无限深GaAs半导体量子阱中束缚磁极化子的性质，采用线性组合算符及幺正变换方法导出了量子阱中弱耦合束缚磁极化子的基态能量与阱宽、电场强度、磁感应强度、库仑束缚势的变化关系，同时讨论了振动频率和库仑束缚势、外场之间的变化关系。

The variational relations of the first internal excited state energy,the excitation energy and the frequency of transition spectral line between the first internal excited state and the ground state of the electron which is strongly coupled with phonon in an asymmetry quantum dot with the transverse and longituainal effective confinement length of quantum dot and the electron-phonon coupling strength were studied by using a linear combination operator and the unitary transformation methods.

采用线性组合算符和幺正变换方法研究非对称量子点中与声子强耦合的电子的第一内部激发态能量、激发能量和第一内部激发态到基态的跃迁谱线频率随量子点的横向和纵向有效受限长度，电子-声子耦合强度的变化关系。

The wounded kings, the son of Tydeus, Ulysses, and Agamemnon son of Atreus, fell in Nestor as they were coming up from their ships- for theirs were drawn up some way from where the fighting was going on, being on the shore itself inasmuch as they had been beached first, while the wall had been built behind the hindermost.

其时，几位宙斯养育的王者正朝着奈斯托耳走来，曾被青铜的枪械击伤，此时沿着海船回行，图丢斯之子、俄底修斯和阿特柔斯之子阿伽门农。他们的海船远离战场，早被拖拽上岸，停栖在灰蓝色的大海边。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。