查询词典 refractive

Or leaf through the Yellow Pages to call refractive surgery centers in your area.

或翻阅黄页呼叫中心屈光手术中的面积。

Objective To analyze the results of phacoemulsification cataract surgery in eyes that had refractive surgery and to compare the predictability of K value in Holladay Ⅱ formula of intraocular lens power calculation.

目的分析应用 HolladayⅡ公式计算角膜屈光手术后人工晶状体植入度数的准确性。

Logarithm vision table and refractive test from a series of diopteric lens were used for screening the poor vision and the suspectmyopia, respectively.

选取全国30个省市区的7～18岁汉族中小学生，分城乡男女4群体；用对数视力表-屈光串镜结合法筛查视力不良和"疑似近视"。

Results of this thesis indicate that the novel polymer DFB gratings fabricated via UV-photopolymerization can achieve high refractive index modulation and low surface relief. Since this method has obvious predominance over other fabricating methods, it is believed to have promising application future in the organic semiconductor lasers.

本论文的研究结果表明，基于紫外光聚合反应的新型聚合物光栅可以实现较高的折射率调制幅度，和很低的表面起伏深度，相比其它有机DFB光栅的制作方法具有明显的优势，因此在有机半导体激光器的制作中具有很好的应用前景。

Experimental results show that the refractive index modulation can reach about 0.010; and the depth of surface relief is low to about 0.7~12.4nm, which will be lower than 1nm in the gratings with 200~400nm period(according to the first-order and second-order DFB grating period of organic semiconductor lasers).

实验结果表明，折射率调制幅度较高，可以达到0.010左右；表面起伏很低，约0.7~12.4nm，在周期为200~400nm(对应于有机半导体激光器的一级和二级DFB光栅周期)的聚合物光栅中，表面起伏深度小于1nm。

The results show that volume concentration and magnetic field intensity have a great impact on refractive coefficients and extinction coefficionts of ferrofluids.

实验制作了光纤端面浸没在磁性液体中的传感元件，设计了测量光路系统，得到了反射率随外加磁场强度变化的情况，与理论分析结果相吻合。

In order to find a powerful assistant computation tool for further analysis and design of multilayer optical coatings,an analytical model is mathematically established for accurate calculation of the first and second derivatives of the spectral coefficients of multilayer optical coatings with respect to layer parameters like thickness,real refractive index and extinction coefficient. It is based on the matrix theory of calculating the spectral coefficients of multilayer optical coatings and is achieved by perfectly using the trace operation of matrix.

为了寻找一种膜系深入分析与设计的有力辅助计算工具，从光学薄膜光谱系数的矩阵计算理论出发，基于对矩阵求迹运算的巧妙运用，从数学上建立了准确计算膜系光谱系数关于膜层几何厚度、实际折射率和消光系数等膜层参数的一阶和二阶偏导数的解析模型。

The effects of emulsions, pigments, conventional fillers, heat-insulation fillers and film thickness on the reflection and heat-insulation properties under infrared lamp are investigated in order to find the best materials for the heat-insulation coatings. It is found that both the titanium dioxide with high refractive index and the diatomite powder with micro pores possess the optimal reflection and heat-insulation properties, calcium carbonate also has sonic heat-insulation effect. However, the filler such as meerschaum, which in theory possesses the effect, has not shown heat-insulation function.

通过研究涂料配方中所用乳液、颜料、常规填料和隔热填料在红外灯下的反射、隔热和保温性能，发现高折射率的二氧化钛和含有微孔的硅藻土具有最佳的反射和隔热保温效果，轻质碳酸钙和重质碳酸钙具有一定的隔热保温作用，而理论上具有隔热保温效果的填料海泡石等并没有预期的效果。

The mature schizont contains 4-8 merozoites, with one pigment granule, they hardly be observed the cytoplasm, not tend to the pole of host cell and has no"the tie structure"in the mature schizon, the merozoite has no refractive globule.

成熟裂殖体含有4-8个裂殖子，并有一颗恒定的疟色素粒，没有"领带结"结构，裂殖子没有折光球，成熟裂殖体几乎观察不到细胞质。

A method of investigating how refractive index of transparent liquid varied with temperature by using Michelson Interferometer was proposed.

文章提出了一种利用迈克尔逊干涉仪研究透明液体折射率受温度影响变化的实验方法。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。