查询词典 refractive

Thirdly, on the basis of the refractive index function around a hot-rolling bar obtained from experiments, the law of the light-ray propagation traces and the light-ray deflection around a high-temperature bar (stationary and in motion, respectively) is studied by the numerical computing of the light-ray differential equations.

作者用光学干涉和热电偶测温法，系统地对直径从35-86mm、壁温从500-1170℃的水平圆柱在自然对流及受迫对流状态下、周围折射率场或温度场进行了实验研究，得到了高温差水平圆柱对流换热的实验关联式。

When the defect medium refractive index is increased, the center frequency of the transmitted spectrum decreases linearly.

改变中心缺陷介质柱直径时，该波导透射光波中心频率随介质柱直径的增大也呈逐渐减小趋势。

The direction of the outgoing laser beam from this device can be changed arbitrarily by turning the two planes through two motors within a certain range,which depends on the wedge angle and the refractive index of the plane material.

该装置结构简单，主要由两个楔形光学平板组成，通过电机转动两个楔板可使出射光束方向在一定范围内任意改变，该调节范围由楔板的楔角和折射率决定。

The fringe contrast of interference from the reflection spectrum of the sensor is influenced by the refractive index to be measured outside.

干涉条纹的对比度受光纤头端面外部的折射率影响，在干涉条纹包络的波谷处具有最大的对比度，外部待测折射率可通过计算该处的对比度得到。

Intraocular surgery has been used for refractive corrections with the development of aspheric intraocular lenes capble of correcting high order corneal aberration.

白内障手术已经进入屈光手术时代。新型的可以矫正角膜高阶像差的非球面人工晶状体已经陆续问世。

In light of the thermal conductivity equation,we have studied refractive indexchange resulted from thermal effect induced by linear and nonlinear absorption inZ-scan measurement with pulse laser.

从热传导方程出发，对在脉冲激光作用下由于样品线性吸收和非线性吸收产生热效应引起的折射变化进行了研究。

On the basis of imaging principle of a coaxial spherical surface optical system, a new measuring method using glass capillary for the the refractive index of micro-quantity liquid was introduced.

介绍了一种用玻璃毛细管精确测量微量液体折射率的新方法。

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。

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。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。