trichromatic

Lesions of vitiligo vulgaris mainly distributed on the trunk and the proximal extremities ( 85%), in contrast, the trichromatic vitiligo lesions of our cases predominated on the trunk ( 95%) except one case with lesions on the right lower leg.

至就诊时平均病程为4.4年。白癜风皮损首发部位以躯干和四肢近端为多85%，而三色白癜风皮损除1例位于右小腿外，其余19例均位于躯干95%。

Firstly, we studied the transitions in three-level system driven by a trichromatic field and probed by a monochromatic field. Based on that, we wrote out the density matrix equation.

首先研究了级联型三能级模型在三色驱动场和单色探测场作用下原子的跃迁情况，据此写出了密度矩阵所满足的方程。

We will study the affection to color rendering of trichromatic of laser paper through many experiments and by contrasting laser paper with art paper gold and silver foil paper.

通过大量的实验研究镭射卡纸对黄、品、青三原色油墨色彩再现的影响，同时与铜版纸、金银卡纸进行对比。

Bichromatic and trichromatic manipulation of spontaneous emission in a three-level system in A configuration also investigated.

同时,还研究了多色控制人型三能级原子系统的自发辐射.

Firstly, the trichromatic images of color object are separated using three Fresnel holograms with trichromatic laser wavelengths ( 632.8 nm, 514.5 nm and 488 nm).

首先，利用三原色激光（632.8nm，514.5nm，488nm），记录彩色物体的菲涅耳全息图，以此得到彩色物体的三原色分色像；

The reactive dyes are widely applied in trichromatic combination dyeing because of reliable dyeing results, so it is an important work for dyers to make a right selection for three primary colors.

活性染料的拼色染色以其可靠的染色结果而得到广泛应用。

Trichromatic Fluorescent Powder of Rare Earths and Energy Saving Fluorescent Lamp

稀土三基色荧光粉和节能荧光灯

The sum of the relative phases of the sideband components of the trichromatic field compared to the central component plays a crucial role in the response of the medium.

三色驱动场中，边频部分相对于中心频率部分的相对相位之和在响应中起关键作用。

Using the present numerical method, we also study theoretically the behalf of double switching from normal to anomalous dispersion of N-type four-level atomic system via trichromatic phase manipulation of electromagnetically induced transparency.

本文还应用此方法，在理论上研究了通过三色场相位操纵电磁诱导透明，从而实现N型四能级原子系统的从正常色散到反常色散的双重转换行为。

Twenty cases of trichromatic vitiligo are firstly reported in China, of whom, 11 are males and 9 females.

报告20例三色白癜风，其中男11例、女9例。

Research on trichromatic system of light resource of medical electronic endoscope

医用电子内窥镜光源分色系统研究

Trichromatic LED commercial lighting products using the most advanced digital controls, thermal management and lighting design, product quality and performance are up the international standards.

俪福LED室内照明产品采用最先进的数码控制、散热管理以及照明灯具设计，产品质量和性能均达到国际水平。

With the emergence of blue LED, trichromatic LEDs have been completed and LED has also been applied to the projection display.

随着蓝光LED的问世，LED三基色发光已齐备，近年来被逐步应用于投影显示中。

In this paper, the phase-dependent resonance fluorescence spectrum of a two-level system in a trichromatic field is calculated by the quantum regression theorem, Fourier transform and matrix inversion method.

本文利用量子回归定理、傅立叶变换和矩阵求逆的方法研究了三色激发二能级系统的共振荧光谱的相位依赖性。

Phase Dependence of the Fluorescence Spectrum under Trichromatic Excitation

三色激发共振荧光对相位的依赖性

Devise of Trichromatic Vagina Microscope System based on Digital Image Process

基于数字化影像处理的分色阴道显微镜系统的设计

Considering the fact that multiple switching from normal to anomalous dispersion at multiple frequency regimes has some potential uses in quantum computation and quantum information, etc, we explore mainly the dispersion switching properties of a two-level system driven by the trichromatic field.

考虑到正负色散在多个不同频率区域上的多重转换在量子计算和量子信息等方面有着潜在的应用，在本文中我们集中研究了三色激发二能级系统的多重色散转换特性。

Nonlinear Response of a Three-level System Driven by a Trichromatic Field and Probed by an Arbitrary Intense Monochromatic Field

三色场驱动和任意强度单色场探测三能级系统的非线性响应

USES: As red phosphor for color Tv-sets and trichromatic lamp.

用途: 作彩色电视和三基色稀土节能红灯等红色荧光粉.

This paper presents a new data structure trichromatic tree for ordered sets.

提出一个表示有序集的新的数据结构。

The possibility is explored to select trichromatic dyes for rapid dyeing from the common disperse dyes.

探讨了由一般分散染料中筛选出作为三原色快速染色染料的可能性。

The brightness of dyed luminous fiber was also decreased along with the increase of K/ S value during trichromatic dyeing.

在三原色染色时，随着K/S值的增加，染色夜光丝的发光强度减弱。

But was an extra photopigment all that was needed to evolve trichromatic vision? Or does seeing the world in all its colourful splendour require extra brain power too?

但是是否另一种感光色素必须完全进化成三色视觉？或者要看到世界所有颜色需要特别的脑部功能？

Rare Earths Chemistry and Developments of Trichromatic Fluorescent Powder Made from Rare Earths

稀土化学与灯用三基色荧光粉的发展

This paper introduces the color television trichromatic mixing theories and the methods of creating and using CAI software for color televison trichromatic mixing experiment.

介绍了彩色电视三基色混色原理及三基色混色实验CAI课件实现方法。

In this paper, fundamental principles and compositions of three types of moisture meters by means of infrared rays were introduced The measuring principles of these moisture meters were bichromatic, trichromatic and double optical ways bichromatic, respectively Guidelines for these moisture meters in use were also discussed

本文介绍了双色、三色和双光路双色红外水分仪的测量原理、仪器的光学系统和基本组成，并指出了红外水分仪的使用要点

High performance trichromatic beam splitter for deuterium fluoride chemical lasers

高性能DF化学激光三色分束器

A self-adaptive threshold method, which can correct color aberration effectively and can machine-read the 2-D barcodes correctly, is put forward based on RGB trichromatic histogram and the principle of probability statistics.

基于RGB三基色直方图和概率统计原理，提出能有效校正颜色失真、正确机读二维条形码的自适应阈值法。

By dyes selection, the BS-RR Red and BS-RR Yellow and BS-RR Blue were served as trichromatic, and the dyeing process was discussed. The process recipe and condition of bulk production were listed.

对染料进行筛选，以采用浅三原色活性染料BS-RR红、BS-RR黄、BS-RR蓝进行工艺参数试验，并例举了大生产工艺处方和工艺条件。

Clinical analysis of twenty cases of trichromatic vitiligo

三色白癜风20例临床分析