查询词典 refractive

In this paper, a problem in optical path design of oil content analyzers is pointed out, that is, the refractive index of medium has a great effect on the result of measurement.

指出并分析了目前国内市售红外测油仪光路设计中存在的一个问题，即光路设计中介质折射率对测量结果的影响，并提出了解决这个问题的方

The optical method for measuring the thickness and refractive index of thin films.

测量薄膜厚度及其折射率的光学方法。

The optical methods for measuring the thickness and refractive index of thin films .

测量薄膜厚度及其折射率的光学方法。

Applying matrix optics to paraxial rays, which travel through different optical elements illuminated with high-power Gaussian beams, the positions of ghost image s affected by Kerr-effect-induced nonlinear refractive index of the illuminated optics are studied.

在近轴条件下，利用矩阵光学的方法研究了高功率高斯光束通过不同光学元件时，克尔效应导致的介质折射率的变化对鬼像位置的影响。

Periodic refractive index distribution of PRIG induced under SP mode was observed in polarization optical microscope.

基于SP和SS两种模式，制作了无明显表面起伏的纯折射率光栅和有表面起伏的浮雕光栅。

Because of the collective modulation of the periodic dielectric distribution to the incident electromagnetic waves, the directions of the group velocity and the phase velocity can be opposite, a photonic crystal slab can work as a negative refractive-index material.

由于介电函数的周期性分布对入射光的调制作用，使得特定频率区域的入射光在光子晶体中传播时的群速度方向和相速度方向相反，因而使得光子晶体平板表现出负折射特性。

Refractive index is one of fundamental physical constant, which is often related to concentration, temperature, void fraction, internal strain etc.

折射率是一个基本物理量，通过它可以跟浓度、温度、空穴率、内应力等联系起来，因此折射率的测量很重要。

The results showed that the gum Lianghe in the chemical composition of turpentine contained a large number of 3-carene, pinene content was lower than GB/T 12901-2006 and in physical indicators refractive index was high.

结果表明：梁河的脂松节油在化学组成上因含有大量3-蒈烯导致其蒎烯含量低于GB/T 12901-2006，其物理指标中的折光率偏高。

In addition, the software about optical image system and some functional enhancement have been briefly introduced. The changes of the planar and spatial practical image point and ideal image point have been discussed when the vision field angle, object distance and range of refractive index have changed. Some summarizations have been put forward. Some results have been deduced and given qualitative explain.

并简单的介绍了由光学成像算法实现的软件以及对该算法的一些功能的增强从视场角、物距和折射率变化幅度三个方面讨论其分别发生变化时在平面上和空间中实际像点与理想像点的偏差的变化情况，并总结其变化规律，对其中的部分规律进行了简单的推倒和定性的说明。

Considering the ionospheric refractive index in geomagnetic field, the radiowave polarization plane rotation has been calculated. For linear frequency modulation pulse signal, the expression of Doppler shift error due to ionospheric dispersion characteristics is derived.

本文还计算了考虑地磁场时电离层双折射指数特性引起的电波极化面旋转角，推导出对于线性调频脉冲信号电离层介质色散特性引起的合成孔径时间内多普勒频移误差的表达式。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。