查询词典 reflection of light

Based on Fermat's theorem, the law of reflection and refraction is obtained, and the geometrical ray tracing method of reflected light is introduced. In response to geometric optics rainbow theory and Airy rainbow theory, the relationship formula of the N-order rainbow angle with the refraction index and the Airy peak value position formula are derived, and the physics causation of the first order rainbow are discussed and analyzed in detail. The distribution properties of the first and second order Airy structures of spherical particles are calculated.

利用费马原理推导了反射和折射定律，以反射射线的跟踪为例介绍了几何光学射线跟踪方法的推导过程；根据几何光学彩虹理论和Airy理论，推导了N阶几何光学彩虹角与入射角和折射率的关系及Airy峰的位置表达式，详细阐述了一阶彩虹形成的物理原因，计算了球形粒子的一、二阶Airy分布。

On the approximation that the ink is non-scattering and its refractive index is nearly equal to papers, we propose a spectral reflectance color prediction model for recto-verso halftone images by making use of the theory of the light propagation in paper with long- and short-distance model and net structure of multiple reflection in the recto-verso halftone images.

在假定油墨是非散射介质以及油墨的折射率与纸张的折射率近似相等的条件下，利用光在油墨与纸张中散射迁移路径长短不同的分程理论和多重内反射的网状结构分析方法，研究了光照射在双面印刷品上的光谱反射规律，建立了双面印刷品的光谱反射色彩预测模型。

Thus,in combination with neutron,resistivity and density logging,this paper reconstructs feature parameters K1,K2and establishes K1-K2 pattern which can qualitative evaluate gas AOF.Additionally,in the light of different reflection toward gas between neutron and density logging,a relation between test nonresistance outflow and gas-bearing content which varies with different neutron and density logging is built,thus the gas AOF can be quantitative evaluation.

采用中子、电阻率与密度测井相结合，重构指示气层含气性的特征参数K1和K2，放大气层的响应特征，建立根据特征参数定性评价气层无阻流量级别的图版；并根据中子、密度对天然气的反映，建立了基于密度、中子孔隙度差值的含气当量与测试无阻流量的关系式，实现了定量计算致密砂岩气层无阻流量的目的。

Markov chain of stochastic process theory was introduced into the reflection mathematic model by considering the fact of total reflectance when light propagate to optically thinner medium from denser medium. The reflectance mathematic model of halftone image coated with different reflectance ink layer was established and discussed.

将随机过程论中的马尔可夫链理论引入到印刷品的反射－透射数学模型中，考虑到光在由光密介质进入光疏介质中传播时会发生全反射现象的事实，讨论并建立了不同折射率油膜层叠加的半色调图像光谱反射率数学模型。

Place the specimen in the spectrophotometer with its cylindrical axis parallel to the slit and in such a way that the light beam is perpendicular to the surface of the section and that the losses due to reflection are at a minimum.

将样品放入分光光度计，使其圆柱轴与狭缝平行，这种方式可以使光垂直照射在样品的表面上并使光反射的损失最小。

In this paper, the stray light and ghost image caused by multi-reflection in high power infrared optical systems are analyzed and discussed, and the comprehensive method incorporating paraxial approximation and real ray trace is presented; the data structure of binary tree is used in the storage of interdata so that the storage problem of huge-size data is resolved.

本文主要研究了大功率红外光学系统中光学表面多重反射而形成的杂散光及其数学模型与计算方法，提出了将近轴近似法和有限光线追迹法相结合的综合分析方法；同时在数据存储方式上采用二叉树这种数据结构，巧妙地解决了鬼像分析中海量的中间数据存储的问题。

In this paper, by using to the ray tracing method, the light scattering characteristic of glass microspher reflection pellicle is discussed.

本文主要运用射线跟踪方法研究目标涂层材料玻璃微珠反射膜的光散射问题。

To bring the charm of Debussy's music, people often think of the piano song "Moonlight" It's a transparent floating slowly down the soft light;"Night in Granada," which is slightly lost in the guitar and pizzicato sound of distant ring sound board decorated by the Spanish style;"water reflection" in the reverse position to carry out the chords to the music mode constitutes a symbol of water ripple, ripple the surface, the dynamics of continuous proliferation; symphonic sketch "spray games" are short motive , the phrase cheerful, bright colors and sound, the playing of the background chatter String outlined noisy waves, wave jumping, laughing water, sunlight flashing screen play.

提起德彪西音乐的魅力，人们常常会想起钢琴曲《月光》那缓缓向下漂浮的透明的柔和光芒；《格拉纳达之夜》中稍现即逝的吉他拨奏与远方响起的响板声所点缀的西班牙情调；《水中倒影》中反向进行的和弦对位构成的音乐模式象征水波荡漾、涟漪泛起，不断扩散的动态；交响素描《浪花游戏》则以短小动机、欢快的乐句，色彩明朗的和声，弦乐颤奏的背景勾勒出波涛喧闹、浪花跳跃、水珠欢笑、阳光闪烁的嬉戏画面。

This reflection vector is used as an index into the environment cubemap, essentially retrieving the incoming light from the direction of the reflected view ray.

从观察射线的方向查询入射光。

Experimental results. show that the step number and ratio between the etching depth and the light wavelength are closely associated with the diffraction efficiency of reflection step grating.

初步试验表明，反射型阶梯光栅的衍射效率与台阶数、蚀刻深度与入射波长的比值均有密切相关。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。