查询词典 refractive index

The results show that the chlorite jade is in dark green, semi-translucent to opaque, and lepidoblastic texture, with hardness of 2.5, refractive index 1.58 and density 2.60 g/cm^3. It has homogeneous texture and less fissures, and no fluorescence under ultraviolet fluorescence lamp. XRD analysis shows that the mineral composition of the chlorite jade is mainly chlorite.

结果表明，该绿泥石玉呈深绿色、微透明－不透明集合体，具鳞片变晶结构，裂隙少，质地均匀，在紫外荧光灯下不发荧光，摩氏硬度为2.5，折射率为1.58，密度为2.60g/立方公分。X射线衍射分析结果表明，该绿泥石玉的物相为绿泥石。

The "Lvlongjing" samples for the study have the unique dark green to celadon colour, lepidoblastic and foliaceous textures, density of 2.61~2.62g/cm^3, refractive index of about 1.57 and Mohs' hardness of about 2.5. The mineral component of the "Lvlongjing" sample is mainly composed of penninite-a subspecies of chlorite.

本次研究用&绿龙晶&样品具有独特的深绿色至灰绿色，呈鳞片状至叶片状结构，密度为2.61~2.62g/立方公分，折射率约为1.57，摩氏硬度约为2.5，其主要矿物组成为绿泥石的亚种叶绿泥石。

It is difficult to be simulated and analyzed due to the excessive surfaces, complex structure and locomotory parts in zoom lens. All the transmission planes taken as the partial reflection and partial transmission planes were simulated with ASAP（advanced system analysis program）and the stray rays on "dangerous surfaces" which easily generate the ghost images in zoom lens were analyzed. Based on it, the zoom lens was optimized and the quality of image was improved by changing the curvature and refractive index of the second reflection planes.

利用ASAP软件模拟每个透射面作为部分透射、部分反射的表面，对变焦光学系统非轴上光进行分析，模拟出变焦系统的光学元件表面和光机内壁，实行实际光线追迹，然后以像面为研究对象，进一步实施实际光线追迹，模拟出全部散射光在像面上的能量分布，找出鬼像形成的原因，并在此基础上通过改变二次反射所在面的曲率或改变所在面的折射率两种方法对变焦光学系统进行优化，减小鬼点数目，以提高系统的成像质量。

Er3+-doped (100-x)TeO2-xNb2O5 (x=5,10,15,20 mol%) niobic tellurite glasses were synthesized, and their density, refractive index, glass transition temperature, crystallization temperature, Vickers microhardness, absorption spectra, fluorescence spectra and the lifetimes of Er3+∶4I13/2 level were measured.

熔制了掺铒碲铌玻璃样品100-XTeO2-XNb2O5(X=5，10，15，20 mol%，测试了其密度、折射率、转变温度、析晶温度、维氏机械强度、吸收光谱、荧光光谱、荧光寿命等参量。

Zirconium silicate has higher refractive index 1.93～2.01, enjoys sound chemical stability. It's a quality and cheaper opacifier finding widespread application in manufacturing various building ceramics, sanitarty ware,daily ceramic products,and high-quality ceramic products.

硅酸锆的折射率高1.93-2.01，化学稳定性能好，是一种优质、价廉的乳浊，被广泛用于各种建筑陶瓷、卫生陶瓷、日用陶瓷、一级工艺品陶瓷等的生产中，在陶瓷釉料的加工生产中，使用范围广，乳浊行，流动行好，具有较强的耐磨性和增白作用。

Two factors, refractive index and reflective area related with the retroreflective capability are discussed.

从理论和实验两方面分析了玻璃微珠的回向反射特性，主要讨论了玻璃微珠的折射率和其反射层面积这两个因素对回向反射性能的影响。

The influence of the gap between the prism and negative-refractive-index film on the measurement is both theoretically and simulatively studied.

用传输矩阵法进行了模拟论证，得到了模拟反射率曲线，同时模拟分析了空气间隙对测量结果的影响。

It means that through tomographic detection of reconstructed image of double-exposure hologram the 3-D refractive index field has been measured.

还给出了初步的试验验证，证明该方法是可行的。

When using different refractive index of the glue, the light transmissivity is different.

Rochon棱镜胶合剂的折射率不同时，出射o、e光的光强透射比会不同。

Lianghe turpentine relative density, refractive index, initial boiling point, distillation range size, optical activity and chemical composition as well as the softening point, acid value, unsaponifiable matter content, ethanol insoluble matter, ash, optical activity and chemical composition and other physical and chemical characteristics of rosin gum were studied.

研究梁河脂松节油的相对密度、折光率、初馏点、馏程体积、旋光度和化学组成以及脂松香的软化点、酸值、不皂化物含量、乙醇不溶物、灰分、旋光度和化学组成等物理和化学特征。

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。