折射光学的

Phase contrast studies of biological specimens with the x-ray microscope at BESSY .

孙怡，朱佩平，于健，陈欣，"X射线衍射增强成像中吸收、折射以及散射衬度的计算层析"，光学学报 27，

Even a small level of birefringence hampers optical properties and product performance.

即使是一个小级别的双折射阻碍了光学性能和产品性能。

Such substances are optically anisotropic and birefringent.

这种材料是光学各向异性的，因而是双折射晶体。

Using these molds, nano-dot-array with 200nm diameter, binary optical micro-lens array, refractive micro-lens array, cross micro-fluidic channel and cap for glucose test strips are fabricated by thermal nanoimprint process.

此外，针对纳米压印光刻在制备三维微结构方面的优势，采用热压印方法制备了二元光学微透镜阵列，折射微透镜阵列，微流体通道、血糖检测芯片封盖等。

In this paper, we used the object and eyepiece lens of refracting telescope for instance, at first we conferred the optical system design analyze, and emended the and try to get better optical quality.

本论文以折射式望远镜的物镜及目镜为例，首先探讨光学系统，并修正镜片的设计分析，尝试得到较佳的光学品质。

According to the physical optics theory, the light will reflect and refract at the interface of the different medium.

根据物理光学原理，在不同介质界面处光线会发生反射和折射，从而得到振动方向相互垂直的s偏振光和p偏振光。

The prototype of SGT is successfully developed for the demand of high accuracy and high speed of Attitude and Orbit Control System of the SST. The prototype images by a refracting telescope with optical aperture, focal length and field of view 60mm, 810mm and 1°×1°, respectively.

针对SST姿态控制系统高速高精度的导行要求成功研制了太阳导行镜样机，该样机采用折射望远镜成像，光学口径60mm，焦距810mm，视场1°×1°。

In this work, firstly, we give a historic survey of the optical principle based on Snell\'s law which was discovered more than three hundred years ago.

这触及到对核心光学原理的深刻认识和修改，以及所伴随产生的一系列与传统光学原理和规律尖锐冲突的问题，并延伸研究到很多方面，如负折射、人工材料、光子晶体、表面等离子体等，都成为近年来最热门的前沿研究课题，大量理论和实验结果发表在Nature，Science和PhysicalReview Letter等国际核心期刊上，促使世界范围内的研究小组通过各种不同的实验方法和理论模拟，积极探索这些感兴趣的核心问题。

The birefringence effect in transmissive optical components caused by thermal stress in complex environment is harmful for image quality of optical systems.

复杂环境中的透射光学元件中通常存在热应力，由此引起的双折射效应将损害光学系统的成像质量。

Shi. Method to enhance the accuracy of the retardance measurement of quarter-wave plates.

线性双折射温度特性对光学电流互感器影响的理论分析。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。