光子

The model of full vector Galerkin finite element method with transparent boundary conditions is established.

建立了基于透明边界条件的全矢量迦辽金有限元法分析二维光子晶体光纤的模型，并对椭圆芯等5种高双折射光子晶体光纤基模的模式双折射、限制损耗及色散特性进行了数值分析和比较。

The electromagnetic propagation process of a Gaussian pulse through an unmagnetized plasma photonic crystal is investigated.

它具有一定的光子能带结构，一定频率的光不能在晶体中传播，从而产生了光子禁带。

And group velocity can be controlled actively by changing the parameter of photonic crystal.

调节光子晶体的参数可以动态地改变光子晶体缺陷模式中的光群速，从而获得可调的光延时。

Since MCT photon device s are working under natural environment,the input and output characteristics appear unstable resulted from the enormous change in temperature,which will greatly influence the accuracy of MCT hotbox detector for measuring axle temperature.

MCT 光子器件工作在自然环境下，环境温度变化幅度大，导致MCT 光子器件的输入输出特性不稳定，严重影响MCT轴温探测器探测铁道车辆轴温的精度。

Since MCT photon devices are working under natural environment, the input and output characteristics appear unstable resulted from the enormous change in temperature, which will greatly influence the accuracy of MCT hotbox detector for measuring axle temperature.

MCT光子器件工作在自然环境下，环境温度变化幅度大，导致MCT光子器件的输入输出特性不稳定，严重影响MCT轴温探测器探测铁道车辆轴温的精度。

That is, the objective distance can be changed freely while keeping the image distance constant and vice versa.

并给出了多层光子晶体平板的成像结果，实现了正方形三角形混合晶格光子晶体平板近远场成像。

The influence of uncaptured electron on energy conversion efficiency in multiphoton nonlinear Compton scattering has been studied by using a particle theory and the inelastic collision model about electron and photon.

应用单粒子理论和电子与光子非弹性碰撞模型，研究了未被俘获电子对多光子非线性Compton散射能量转换效率的影响。

The energy conversion efficiency of the multi-photon nonlinear Compton scattering in the cone-shaped femto-second high power laser-plasma is given by using the inelastic collision model of relativistic electron and photon, and relativistic electricity theory.

应用相对论性电子与多光子集团非弹性碰撞模型和经典相对论电动力学理论，分析、计算了锥形飞秒强激光等离子体中多光子非线性Compton散射的能量转换。

Under the action of the femto-second laser, when the multi-photon nonlinear Compton scattering takes place in the linear plasma, the effects of the femto-second coupling laser field formed by the scattering laser and incident laser on the light field and electron density profile in the linear plasma have been studied using the model of the inelastic collision between the electron and multi-photon group and the model of the cold plasma.

应用电子和多光子集团非弹性碰撞模型和冷等离子体模型，研究了飞秒强激光与线性等离子体发生多光子非线性Compton散射时，散射激光与人射激光形成的飞秒耦合激光场对线性等离子体层中光场和电子密度分布的影响。

Including two-photon fluorescence and second harmonic generation, its optical sectioning ability and minimally invasiveness makes it a preferable choice for intravital observation.

多光子显微术包含多光子萤光与倍频讯号，其光切片效果及低侵入性，使这项技术非常适合运用於活体观察。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。