光

The polishing fluid is composed of Al2O3 micropowder with a grain diameter of 0.5-1.0 mum, coal oil, lard, plant oil and spindle oil, wherein Al2O3 micropowder is abradant, coal oil is solvent, the mixing liquid of lard, plant oil and spindle oil is as additive; and the polishing fluid is prepared by a mixing liquid which is composed of 2% lard, 2% abraser, 8% plant oil and spindle oil by volume and 88% coal oil. The polishing fluid can produce the H62 brass element with a uniform surface quality and a good surface roughness value up to 0.008 mum, has the characteristics of no eroding elements, effectively relieving mechanical score, good processing surface quality and can be used for decoration of the plastic metal material and surface polishing process before the material metallographic microscope analysis.

抛光液由粒径为0.5～1.0μm的Al 2 O 3 微粉、煤油、猪油、植物油和锭子油混合而成；其中Al 2 O 3 微粉为磨料，煤油作溶剂，猪油、植物油和锭子油的混合液作添加剂；抛光液按体积比由2％的猪油、2％的磨料、8％的植物油和锭子油的混合液、88％的煤油配制而成；该抛光液能够加工出表面质量均匀，表面粗糙度值达到0.008μm的H62黄铜工件，具有不腐蚀工件、有效缓解机械刻划作用、加工表面质量好的特点，可以用于塑性金属材料的外观装饰性加工，以及材料金相分析前的表面抛光加工。

Meanwhile, it has a good compatibility with traditional proximity or contact lithography, thus we can carry the same manufacturing process on the basis of little modification of traditional aligner's system.

由于基于表面等离子体的光刻技术和传统的光刻系统能很好地兼容，因此可以在传统接近接触式光刻机的基础上稍作改进即可实现纳米量级的光刻分辨力。

In this paper, we investigate the light intensity-dependent superprism phenomenon in the two-dimensional Kerr nonlinear photonic crystal by nonlinear finite-difference time-domain technique. We show that when the intensity of the self-pumping beam is increased from 70 to 300 W/μm , the refraction angle of the beam can be tuned about 10 degree.

基于非线性时域有限差分法，我们模拟了克尔非线性光子晶体中的光敏超棱镜现象，结果发现，当光强变化230W/μm时，两束光在空间上能被分开10o，选取较大的基本功率将有助于提高其光强分辨率，。

The tunable photon broad band radio frequency phaser based on a silicon ring resonance cavity comprises a pumping signal light-generating system, a carrier wave light-restraining double-sideband generating system, a silicon ring resonance system and a measuring system; wherein, the silicon ring resonance system comprises a light coupling device and the silicon ring resonance cavity; the output of the light coupling device is connected with the input port of the silicon ring resonance cavity; wherein, the silicon ring resonance cavity is composed of a silicon annulet and a root of a straight waveguide; the air gap distance between the silicon annulet and the root of the straight waveguide is several ten nanometers or several hundred nanometers; the taking characteristic of the silicon ring resonance cavity is the characteristic of a seasonal reject trap; the transmission rate in the position of a resonance wavelength is equal to zero or is very close to zero.

本发明包括：泵浦信号光发生系统、载波抑制光双边带产生系统，硅基环形谐振腔系统，以及测量系统。所述硅基环形谐振腔系统包括一个光耦合器和一个硅基环形谐振腔，光耦合器的输出连接到硅基环形谐振腔的输入端口，其中：硅基环形谐振腔由一个硅基微环和一根直波导构成，硅基微环和一根直波导之间的空气隙间隔为几十至几百纳米，硅基环形谐振腔频谱特征是周期性的带阻滤波特性，在谐振波长处的透射率等于0或非常接近0。

UV curable coating was used as the dispersion system. The effect of PMMA microspheres, PMMA/TiO2 nano-composite particles and dulling agent on the antiglare property, the viscosity, the mechanical property, as well as the chemicals resistance of the film was studied in this paper. The result showed that the film had better comprehensive property when 0.5% PMMA microspheres, 0.5% PMMA/TiO2 nano-composite particles and 0.75% dulling agent were doped.

紫外光固化体系成膜速度快、涂层透明性好、力学性能优良，本文采用此体系固化成膜，考察了PMMA微球、PMMA/TiO2纳米复合粒子和消光剂对薄膜防眩光性能、涂料黏度、涂膜力学性能以及耐化学药品性能的影响，确定了防眩光涂膜材料涂层的粒子配方：0.5%PMMA微球、0.5%PMMA/TiO2纳米复合粒子和0.75%消光剂。

Pathological studies also showed more tissue damage in the group with Fluorescence humic acid and arsenic injection than the group with Fluorescence humic acid injection only.

病理切片研究也发现注射萤光腐植酸加砷的一组，组织伤害远比只注射萤光腐植酸的一组严重，这也似乎表示萤光腐植酸的确有致病能力，而砷对萤光腐植酸的毒性则有加强作用。

Use photosensitive component also to give first place to photodiode and photosensitive audion in light-operated circuit.

在光控电路中使用光敏器件也以光敏二极管和光敏三极管为主。

Photosensitive audion adopt a type to be that 2 CU2B photodiode and types are 3 DU33 is an object of study , characteristic property composes in reply spectrum characteristic property from the photodiode illumination , characteristic property and corresponding wavelength carry out photosensitive audion volt-ampere characteristic property , illumination experiment.

采用型号为2CU2B的光敏二极管和型号为3DU33的光敏三极管作为研究对象，从光敏二极管的光照特性和光谱特性，光敏三极管的伏安特性、光照特性和相应波长进行试验。

Methods(1)4 cities were chosen randomly according to their economic status and geographical location.(2)An autorefractor was used to detect the diopter in the preschool children from 20 kindergartens randomly selected from each of the 4 cities.(3)1%atropine ointment was applied to the c onjunctival sac of the children with suspect myopia for 3 days and the refractio n of light in their retina was then examined by a barred beam skiascope.(4)The eye axis and corneal curvature of the myopic children were measured.(5)The diop ter,eye axis,and corneal curvature were examined every 6 months during 1-year f ollow-up after the diopter was properly rectified.

(1)依经济状况和地理位置按随机原则抽取4市县；(2)从4市县中各随机选择20间幼儿园，对所抽取的在园学龄前儿童用自动屈光仪进行屈光筛查；(3)可疑近视患者予以1%阿托品眼膏涂双眼3d，由专人用带状检影镜进行视网膜检影验光；(4)确诊为近视的患者自愿进行角膜曲率和眼轴测量；(5)近视患者经适当的屈光矫正后，按要求进行为期1年的前瞻性随访，每半年进行1次屈光状态、角膜曲率和眼轴的检测。

Chao highlighted the company's production of white, blue, green and red high quality LED products have been widely used in various lighting, display, backlight, advertising module, LED toys, instruments, etc..

公司生产的超高亮白光、蓝光、绿光及红光等高品质LED产品已广泛用于各种灯饰、显示屏、背光源、广告模组、发光玩具、仪器仪表等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。