查询词典 refractive

The refractive indices of some fresh animal tissues in vitro were studied at wavelength of 650 nm by total internal reflection.

利用全反射原理测量了新鲜离体动物组织在650 nm处的折射率。

A simplified numeric algorithm expression for solving transcendental equation of optical constants was obtained by analyzing the test principle of ellipsometer. A Microsoft Windows based calculating program for optical constants of thin films with "Solve Block" module of MathCAD by ellipsometer was developed. It can be used to calculate refractive index and thickness of thin films with little absorption or even no absorption as its feature.

通过对椭圆偏振仪测试原理的分析，得到求解薄膜光学常数超越方程的数值算法简化公式，并利用MathCAD的"Solve Block"模块开发了基于Windows系统的椭圆偏振测量薄膜光学常数的计算程序，该程序可用于单层有吸收薄膜或无吸收薄膜折射率和厚度的计算。

With given parameters of the fiber grating, the transmission spectrum of the long-period fiber grating was obtained by simulation with Matlab. As a result, the position of the resonant wavelength of the long-period fiber grating is decided by the grating′s period. The attenuation changes with the length and refractive index of the grating.

在设定的光纤光栅参数条件下，通过Matlab进行模拟得到了最终需要的长周期光纤光栅透射谱，并由此得出：长周期光纤光栅谐振波长出现的位置主要由光栅的周期决定，损耗大小可以通过调节光栅长度和折射率来实现。

Research on spectrum line refractive index of triangular prism with spectrometer measuring;2. The amplitude spectrum line and the amplitude spectrum function are proposed for the airborne particle scattering light signal,and their properties are studied in probability space.

针对粒度仪标定的准确度，在概率空间基础上，提出了尘埃粒子散射光信号幅度概率谱线和散射光信号幅度概率谱函数的概念，并对谱线在概率空间下的性质进行了研究。

The relation between the stress along the optical axis of trigonal crystallographic system and the refractive index is established.

运用折射率椭球分析晶体的弹光效应，给出了三方晶系沿光轴方向的应力与折射率的变化关系。

The compatibility of the blends was studied by viscometry, refractive index, and the thermal stability of them was also observed by TG.

以黏度法、折光指数法和热重分析法研究了PA-170与EC的相容性和热稳定性。

Pumped by evanescent-wave along the fiber axis, the lasing wavelength of whispering gallery mode is found blue-shifting with the refractive index of dye solution increasing.

实验发现，随染料混合溶液折射率的增加，回音壁模式激光辐射的波长向短波方向移动。

Objective To value the accuracy of Zywave aberrometer measuring refractive errors for myopic eyes.

目的 评价Zywave波前像差仪测量近视眼屈光不正的准确性。

All optical switches use the third-order optical nonlinearity of materials, whose work principle can be described as follows. One laser beam inducing the change of refractive index of materials, signal beam transmitted in mate rials will produce accessional phase change to realizing the "On" or "Off" ofoptical switches.

全光开关的工作原理利用了材料的三阶非线性光学特性，用一束光引起材料的折射率发生变化，信号光在其中通过时就会带来相位的变化，从而实现光开关的开关动作。

Based on the scattering and absorbing characteristic of aerosol,a effective medium approximative method was given, and the effective refractive index of aerosol was calculated.

为了了解气溶胶折射率对研究大气气溶胶的辐射效应的影响，给出了一种基于气溶胶散射和吸收特性的有效媒介近似方法，以计算大气气溶胶的有效折射率。

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。