查询词典 refractive index

In this paper we have point out the error of principle formula quoted by all literatures at home and abroad to measure the refractive angle and the method of V-prism, derive from beginning the right formula of measuring refractive index by the method of minimum deviation angle and the method of V-prism.

本文指出了测量光学材料折射率的最小偏向角法和V棱镜法国内外所有文献的原理公式误差，重新推导了最小偏向角法和V棱镜法测量折射率的正确公式。基于最小偏向角法用精密测角仅可以获得±3×10-6的折射率的测量精度，然而，这些文献沿用经典的测量原理公式却具有-4×10－4数量级的原理公式误差，因此导致错误的测量结果。

Because the vapor and water have different refractive indexes, the vapor-to-water ratio can be deduced from the response characteristic of refractive index of two-phase flow.

由于干蒸气和水的折射率不同，汽液的比例可以从汽液两相流的折射率响应特性反映出来。

Results The axial length of eyeball was gradually decreased during the adult years of life accompanying with the increases of corneal and lens refractive powers and a decrease of anterior chamber depth fur maintaining a emmetropia status, and the steepness and thickness of lens, shallowness of anterior chamber contributed to emmetropia by decreasing the refractive index of lens.

结果 随着年龄增大，眼轴逐渐变短，但同时伴有角膜、晶状体屈光力的增大及前房深度的变浅以维持正视状态，晶状体的增厚、曲率的变大及前房的变浅可能通过屈光指数的减小同样维持了正视状态。

Each structure has its own refractive index, and when a light ray crosses an area where the index changes, the light scatters, creating a degree of opaqueness .

每个构造都有各自的折射率，当光线穿越折射率不同的区域时，便会散射而造成某种程度的不透明。

In addition to measure the refractive index profile of a GRIN lens, we also measure the refractive profile and radius curvature of a Plano-convex lens by means of this imaging ellipsometric technique.

本文将此简式影像式椭圆偏光术应用在非均匀平面材料光学参数之量测，及平凸透镜之量测；我们不但量出了渐变式光纤折射率的径向分布并证明其表面的平整度，另外也量出平凸透镜的曲率半径及折射率。此法可将椭圆偏光术延伸到曲面薄膜量测。

Based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the GRIN medium, using quadrivalent Runger-Kutta method to carry out the light tracking, by this means the mainly imaging character index of themicro-lens such as foci, longitudinal and transverse spherical aberrations aberration etc is calculated.i.

第五章 从测量所得折射率分布曲线出发，根据梯度介质球内光线传输的理论模型，用四阶runger-kutta方法进行光线追迹，计算了此种梯度球的纵横向球差等光学特性，给出所制作梯度折射率微球透镜成像性能的评价。

The result indicates that retarders are more sensitive to variations in the input angle of incidence with refractive index increasing, so the higher refractive index material should be avoided in designing retarders .

结果表明，随着折射率的增加，器件对入射角的变化更加灵敏，因此设计器件时应尽量避免选择高折射率材料。

Eigenvalue of "Baosheng Brand" special made tea seed oil (specific gravity, refractive index, iodine value and so on) is very similar to unsaturated fatty acid (oleic acid, linoleic acid and so on) easy to be absorbed by human body and abroad rare olive oil and quality index of tea seed oil is better olive oil (for concrete quality index, function and efficacy, please refer to table one and two).

&宝生牌&特制茶叶籽油的特征值和人体极易吸收的不饱和脂肪酸与国外名贵的橄榄油十分相似，而且质量指标好于橄榄油（具体质量指标、作用、功效见表一、表二）。

The model of photon-induced refractive index change based on GaAs materials is presented briefly, then the model based on GaAs/AIGaAs quantum wells materials is deeply analyzed by treating the effects of photon-excited carriers self-consistently. Furthermore, the propagation characteristics of multi-quantum well waveguide is invested, and the low-loss multi-quantum well rib waveguide deeply etched is also designed by using the spectral index method.

在简要分析了基于GaAs材料的光致折射率模型的基础上，通过自洽的方法，重点研究了基于GaAs/AlGaAs多量子阱材料的光致折射率模型；其次分析了量子阱波导传输特性，利用谱折射率法设计低损耗的深刻蚀脊形量子阱波导。

Plastic rods with gradient refractive index were successfully fabricated by the interfacial-gel polymerization technique,in which two kinds of dopants were used for their higher refractive index and different molecular volume.

用甲基丙烯酸甲酯作为基质，采用界面-凝胶聚合技术成功地制备了渐变型塑料光纤预制棒，并探讨了掺杂剂浓度及其分子体积以及聚合温度对折射率分布的影响。

On closer examination, though, this is not a vote for multilateralism but just the opposite.

仔细审视后我们发现，这并非是对多边主义投出的赞成票，而是恰好相反。

Uncovering their weak spots, so I can defeat them.

揭露出他们的弱点，这样我就可以打败他们了。