If water had a negative index of refraction, then a straw placed in a glass would appear to bend back under itself.
如果水具有负折射率，那么放在玻璃杯中的吸管似乎可能弯曲到自身下方。
What would a negative index of refraction look like?
如果折射率是负的,会发生什么事情?
They then cascaded the negative index medium with a positive refractive index medium so that the complete nanostructure behaved as one with an index of refraction of zero.
他们将负折射率材料和正折射率材料级联起来成功实现了零折射率行为的纳米结构。
Diamond is the only one of the highest hardness sets, strong index of refraction and in the integration of high-dispersive gemstone varieties, are unparalleled in any other gem varieties.
钻石是唯一一种集最高硬度，强折射率和高色散于一体的宝石品种，任何其它宝石品种都是不可比拟的。
This speck disrupts the otherwise uniform index of refraction creating a cloudy spot in a person's field of vision.
这种小颗粒会破坏水晶体原本均质的折射率，在视野中制造出模糊的点。
In real life this is a phenomena that occurs when sunlight travels through a medium with a different index of refraction in certain cuts and angles.
在真实世界中，这是一种当阳光以一定角度穿过具有不同折射率的媒质时所发生的现象。
Abbe fold light meter to use passage measurement index of refraction simplicity may measurement water content of honey.
利用阿贝折光器，通过测定折光率可以简便的测定蜂蜜中的含水量。
The core has a high index of refraction, whereas the surrounding cladding, with its air holes interspersed with silica, has a lower index.
核心的石英折射系数高，环绕在外的外层石英与孔洞交错，所以折射系数较低。
According to the displacement of the fringe and the relation between temperature and index of refraction, a two-dimensional temperature profile is obtained.
根据条纹弯曲偏移量，由折射率与温度的关系，画出空气温度的二维分布图。
Is mainly used as additive for special optical glass and fibre glass slice with high index of refraction for electronic microscope and energy-saving light.
主要用作特种光学玻璃和光学纤维，高折射电镜片和节能电光源的添加剂。
Heating the oil produces changes in the index of refraction of the oil making the cell boundaries visible.
取暖油产生变化，在折射率的油，使细胞界限明显。
When we were discussing the index of refraction we saw that an incoming beam of light will make the atoms rediate again.
在讨论折射率时，我们曾看到入射光束使原子再辐射。
Atmospheric turbulence occurs with the variation of refraction index of atmosphere caused by random variation of atmospheric temperature and pressure.
大气湍流是由于大气温度、压强的随机变化引起大气折射率随机改变而产生的。
On the basis of analysising the optical characteristic of axisymmetrical field, this paper shows a new way to calculate the distribution of refraction index axisymmetrical field.
本文分析了轴对称场的光学特性，在此基础上，给出了一种计算轴对称场中折射率分布的新的再现方。
In studying the characteristics of electromagnetic radiation particle theory, the particle nature of the index of refraction is the prerequisite and basis for the particle radiation.
在研究颗粒辐射特性的电磁理论中，粒子复折射率是颗粒辐射特性计算前提和基础。
The effect induced by the increment of refraction index and dispersion of glass in the wide bands FT(Fourier Translate) lens were introduced.
介绍了宽谱段傅里叶变换镜头中光学玻璃的折射率、色散变化对系统的成像质量的影响。
Nonlinear refraction index change is proportional to square of mean pump power.
非线性折射率与泵浦平均功率的平方成正比。
On account of mire interfere technology, fixed position and refraction index vary distribution of stripe of phase object has been analyzed, and give the important conclusions.
本文应用干涉度量的理论，分析了相位物体漫射照明度量中的条纹定域以及折射率变化的分布，给出了几个重要结论。
This speck disrupts the otherwise uniform index of refraction, creating a cloudy spot in a person's field of vision.
这种小颗粒会破坏水晶体原本均质的折射率，在视野中制造出模糊的点。
This paper uses Senell sLaw and applys the way of Computer Modeling to draw the light track in the media which have layer gradients of the index of refraction.
本文利用斯涅耳定理，采用计算机模拟的方式给出光在折射率呈层状梯度分布的介质中的传播路径。
The curves of refraction index and extinction coefficient with different wavelength and the thickness of films were obtained from transmission spectrum.
获取了薄膜的折射率和消光系数随波长的变化曲线以及薄膜的厚度。
Within the coupled resonant frequency region, the negative index of refraction can be achieved.
在负的磁导率和负的介电常数重叠的频率区域，能得到一个负的折射系数。
The covering material that encases the core of an optical fiber. the cladding material usually has a lower index of refraction than the core material and may be either glass or plastic.
一种包装光纤芯的保护材料。保护材料的折射率通常比光纤芯的折射率低，它一般是玻璃或塑料。
The refraction index of transparent glass-plate was measured with ray-displacement method, formulas of the refraction index and experimental error were obtained by theoretical analysis.
采用光束位移法测量了透明玻璃板的折射率，分析了折射率的公式和实验误差处理公式。
An improved method of the glancing incidence measuring index of refraction of crystal medium and prism was presented.
本文提出了掠入射法测定透明介质折射率的一种改进方法。
We study the beam paths in uniaxial crystal with arbitarily oriented optical axis in general conditions, by it′s plane and ellipsoid of refraction index and Fresnel law.
从菲涅耳定律出发，利用单轴晶的折射率面和光率体，讨论了在一般情况下单轴晶内部的光路问题。
The index of refraction for the extraordinary ray is therefore a function of direction.
折射光线的折射率因此在各个方向不同。
Other properties strongly influencing the light output are the transparency and the index of refraction of the scintillator.
强烈影响光输出的其他特性有：闪光体的透明度和折射率。
A rapid method for analysis of fructose and glucose is based on the index of refraction and the degree of optical rotation of the solution to be assayed.
果糖和葡萄糖快速分析方法的原理是测定待测溶液的折光度和旋光度。
A rapid method for analysis of fructose and glucose is based on the index of refraction and the degree of optical rotation of the solution to be assayed.
果糖和葡萄糖快速分析方法的原理是测定待测溶液的折光度和旋光度。
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