激子

In the second part, we have considered the polariton system described by the model effective Hamiltonian involving single mode photon field interacting with a transverse optical phonon in a more realistic form. On this basis, we have discussed the dynamical evolution of the wave function , the dynamical variables and the non-classical properties for the system in a analytic form for the first time.

第二部分将极化激元系统约化成模型单模光子—横向声子有效相互作用系统，在此基础上以解析形式首次讨论了系统的波函数、力学量和压缩态、亚泊松分布等非经典效应的动力学演化行为。

First, based on coupled wave equations of interaction between pump field. stokes field, acoustic field in SBS processing under stable station, theoretic characteristic parament of SBS are induced, such as gain, threshold, and condition of effective SBS interaction.

首先由受激布里渊散射过程的泵浦场、斯托克斯场和声子场三波相互作用的耦合波方程组，推导出了稳态SBS过程的增益指数、阈值增益，及产生有效SBS相互作用的条件。

Objective To study the redox damage of lung and blood cells in rats inhaled radon and its progeny.

目的研究氡及其子体吸入对大鼠肺与血细胞的氧化应激损伤。

"Psyllium offers benefits in patients with irritable bowel syndrome in primary care," the study authors write.

作者们写道，洋车前子在一级照护上提供大肠激躁症的治疗利益。

Furthermore, approximately half of patients with irritable bowel syndrome receive drug treatment, often including psyllium based supplements.

再者，将近半数大肠激躁症患者接受药物治疗，通常包括以洋车前子为主的补充品。

"The benefit of psyllium may be somewhat greater in patients who fulfill the Rome II criteria for irritable bowel syndrome," the study authors conclude.

作者们写道，洋车前子的治疗利益对於大肠激躁症罗马准则第二版的病患比较大。

SOS methods receive much attention of researchers because of their simple computation and convergence rates.

在本论文第3.7节，提出了一种信道阶数与冲激响应函数的联合估计算法——线性组合子空间法，提高了SOS算法的效率。

Propagation of optical solitons in fiber amplifiers is discussed by considering a model that includes gain dispersion, intrapulse stimulated Raman scattering and two-photon absorption.

本文建立了包括增益色散，受激喇曼散射，双光子吸收效应的理论模型，讨论了光孤子脉冲在光纤放大器中的传播。

Based on the theory of stimulated polariton scattering, adopting reported experimental conditions that generate tuning terahertz wave utilizing nonlinear optical parametric oscillation as the theoretical analysis model, taking GaAs, GaP, InP, ZnTe crystal as representative, the absorption and gain characteristics in zinc blende crystal are calculated, and the output tuning characteristics of terahertz wave are also analyzed.

基于受激电磁耦子散射原理，采用已报道的利用非线性光学参量振荡方法产生可调谐太赫兹波的实验条件作为理论分析的实验模型，以GaAs、GaP、 InP、ZnTe晶体为代表，计算分析了在闪锌矿晶体中参量振荡产生太赫兹波的吸收、增益特性，对输出THz波的调谐特性给出了详尽分析。

The analyses indicated that the upstream sequence contained several regulatory elements,such as CCAAT-binding factor,GC-box,HSE and GATA,but TATA-box and CAAT-box were not be found.

分析表明，该上游序列的转录起始位点位于第3255位G碱基处，没有明显的TATA-box和CAAT-box，但含有CCAAT-binding factor、GC-box等重要的转录因子结合位点，以及热激应答元件HSE和GATA元件等启动子顺式调控元件。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。