查询词典 refractive

Methods Four hundred and eighty-four (968 eyes) myopes were treated with laser in situ keratomileusis in the Qinghai Red Cross Hospital from May 2005 to March 2007. The predictability of visual acuity and refractive error postoperative were analyzed.

收集2005年5月～2007年3月在地处高原地区的青海红十字医院完成准分子激光角膜磨镶术(laser in situ keratomileusis， LASIK)的患者484例（968眼）。

The continuously varying of the refractive index is considered, and according to the property of holographic material, the small wavenumber approximation is utilized and the periodicity of the grating is used.

在矩阵建立过程中考虑了介质折射率是连续变化的，并且根据全息介质的特性采用小波数近似，同时充分利用了光栅结构的周期性特点。

Objective To investigate the variation of the refractive errors in the middle and old-aged.

目的了解中老年人屈光不正变化规律。

Wenzhou Desk Calendar printing company launched in 2008 a grand new: calendar, calendar, calendar, weekly calendar, crystal calendars, silk calendars, gold foil calendars, three-dimensional calendar, alluvial gold calendars, laser calendars, refractive index calendars, metal calendar, calendar notes large classes, crystal desk calendar, colorful calendar 24K gold-plated tag, Fuk word tag, tag calendar blister calendar and ultra-long full-paper pairs of senior Alice calendar, special rules affect cloud Paper Art Biennial calendar, Western-style art cardboard pairs calendar , high-grade 24K gold eagle folded tag calendar, high-grade 24K 2 folding tag calendar, high-grade colorful refraction tag calendar, published calendar, high-paper planes art calendar, horizontal paper rack Art calendar, advanced optical lens paper notes the new calendar, 365 colored authentic can tear calendar, 185 colored authentic tear calendar can close more than a thousand species, inventories are adequate and complete variety, reasonable prices.

温州台挂历印刷公司隆重推出2008年新款：挂历，台历，日历，周历、水晶挂历，丝绸挂历，金箔挂历，三维挂历，沙金挂历，镭射挂历，折光挂历，金属挂历，大班记事台历，水晶台历，七彩台历24K镀金吊牌，福字吊牌、吊牌月历、吸塑年历及超长全开高级雅丽纸双月历、特规影云纸艺术双月历、西欧式艺术卡纸双月历、高档24K金雕三折吊牌月历、高档24K二折吊牌月历、高档七彩折光吊牌月历、专版台历、高纸架艺术台历、横纸架艺术台历、高级新型便签镜光纸台历、365张彩色正宗可撕日历、185张彩色正宗可撕日历等近千余种，库存充足，品种齐全，价格合理。

Enantiomer or solid-state form ratios (e.g., for racemates, and for defined admixtures of isomers or enantiomers or solid-state forms); solubility profile (aqueous and nonaqueous as applicable); partition coefficients; solution pH; dissociation constant; melting or boiling point; refractive index; specific gravity.

该要求可以通过提供下述信息来满足：名称（通用名、化学名、编码等）、化学摘要服务编码、性状描述（如：外观、颜色、物理状态）、分子式和分子重量、结构式、立体化学（找出手性中心、顺式反式异性等）、对映结构体比率（如：外消旋物、规定的异构体、对映异构物和固态形式的混合物）、溶解度概况、分配系数、溶液pH值、解离常数、熔点或沸点、折射率、比重。

In the program, on theoretically we have studied the effects of configuration, the arranged periodic length and the refractive index ratio on PBG using finite difference time dormain method; on experimental, we have synthesized monodispersed silaca microspheres with size of 150-320 nm by colloidal chemical methods. And 3D perfect photonic crystals were prepared using the evaporating of acetone self-assembling the monodispersed SiO2 microspheres on quartzes by and horizontal and vertical deposition methods.

在本项目的研究中，理论上我们应用有限时阈差分法研究了光子晶体光子带隙形成与空间构型、排列的周期长度及折射率比之间的关系；实验上，我们应用胶体化学方法制备了150-320 nm的SiO2胶体微球，以丙酮为挥发溶剂，通过水平重力沉积法和垂直自然吸附法制备了各种粒度、排列完美的面心立方光子晶体。

The aberration properties of optical systems with large tilted and decentered plane-parallel refractive plate system and wedge system were analyzed with a new primary aberration analysis method for non-coaxial optical systems,i.e.vector aberration theory.

运用一种新的分析偏心和倾斜光学系统初级像差特性的方法-矢量像差理论，分析了具有较大交叉倾斜角的平行平板光学系统和具有较大倾斜角的光楔光学系统的像差特性。

This polywater, made by ex posing very fine glass capillanes to a saturated atmosphere of water vapor, was very viscous, dense and had a refractive index similar to that of glass.

通过将非常纤细的玻璃毛细管放在饱和的水蒸气中产生的这种&聚合水&的粘滞性和密度都很大，其折射系数与玻璃的相似。

The invention comprises a free-form surface prism with three optical surfaces, and a micro-image display; the free-form surface prism is made of plastic glass materials with the refractive index greater than 1; the three free-form optical surfaces are concave surfaces, which meet one of the three surface-type equations, and the location relationship of each surface meets three condition equations; the incident angle formed between the widest-field upper edge rays emitted by an LCD and the second free-form surface meets the total reflection conditions; and an image source element is an LCD of 0.61 or 0.59 inches.

本发明包含一个具有三个光学表面的自由曲面棱镜和一个微型图像显示器，自由曲面棱镜采用折射率大于1的塑料玻璃材料，自由曲面棱镜的三个自由曲面光学表面均为凹形面，它们应满足三个面型方程之一，并且各表面的位置关系应满足三个条件方程，由LCD发出的最大视场上边缘光线在第二自由曲面上的入射角应满足全反射条件，像源元件为0.61或0.59英寸的LCD。

Further analysis indicated that the optical clearing effects of skin causeded by alcohols were related to the number of hydroxyl groups, but not to the refractive index or molecular weight of OCAs.

进一步分析表明，醇类试剂的光透明效果主要与化学结构中所含羟基的数目有关、与试剂的折射率和分子量不相关。

This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。