查询词典 laser

The fluence and frequency of laser was controlled precisely, which could melt and destroy the adiposis tissue without damage to the adjacent tissues. The histological study of treated adiposis tissues, post-operative reaction and clinical results were observed and studied. Results Local adipose tissues were melted and liquefied effectively by the laser. Compact fibrous tissues of cellulite were broken by the laser into loosen structure. The bleeding was lower than traditional method due to the coagulation of capillary vessels. The advantages of laser lipolysis included less edema, petechia and complications, which produced a rapid recovery and satisfactory results.

但该方法也存在疼痛、血管损伤、出血较多[1]等不足，此法主要是利用机械力插入负压吸引管，通过较强的负压将脂肪组织吸出体外，比较适用于大范围、厚层次和疏松的脂肪吸除，难以应用于小范围局限致密的脂肪组织，如面颈部和手臂部等，这些部位脂肪构成较特殊，包含有大量坚韧的呈网状交织的纤维结缔组织，质地较紧密，普通负压难以吸除，吸脂管插入和抽动阻力较大，如强行反复抽吸对组织创伤明显，因此，有必要寻找一种更加有效的治疗方法。

Taking the laser diode line generator as the light source, the parallel laser screen unit was formed by using aplanatic cylindrical Fresnel lens with long focal length. By splicing seamlessly with multiple parallel laser-screen units, the large area laser screen can he constructed.

以半导体激光线发生器为光源，用长焦距消球差的柱面菲涅耳透镜形成平行激光幕单元，通过多个平行激光幕单元的无缝拼接可形成大面积靶面。

A cataphoresis discharge tube of 7mm inner diameter and 38cm active length was made for the He-Sr+ laser. The recombination laser at 430.5nm and the R-M transition laser at 1.03μm were obtained with the modified Blumlein circuit by high-frequency longitudinal pulsed discharge. The laser components are concentrated on the 430.5nm wavelength.

设计制作了7mm内径和38cm有效激励长度的电泳式He-Sr+激光管，采用修饰Blumlein电路，通过纵向高重复率脉冲放电激励，实现了一价锶离子复合激光430.5nm和R-M跃迁激光1.03μm的同时振荡，其中复合激光占主要成分。

According to the quasistatic model, the relationship is established between electron residual energy and driven laser polarization, intensity, wavelength, pulse and media ionization potential, residual charges. The electron residual energy change with the driven laser parameters and the media characteristical parameters is calculated. According to the calculated results, adequate driven laser parameters will be favor of the realization of OFI X-ray laser amplification.

作者根据准静态模型，建立了电子剩余能随驱动激光偏振度、激光强度、波长、脉宽以及介质电离能、剩余电荷数关系式，定量计算了电子剩余能随驱动激光参数以及介质本身一些性能参数变化关系，根据计算结果提出采用适合的驱动激光参数可能更有利于实现光场感应电离的X射线激光放大。

The key components in laser gyro is He-Ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the Lamb half classical theory, and on the base of density matrix theory, the optical Brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter-propagating wave. On the basis of this equations, adopted the simulation software MATLAB and virtual instrument programming language LabWindows/CVI, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock-in of frequency and the characteristic of light intensity and phasic of the counter-propagating wave in laser gyro.

激光陀螺的核心部件为He-Ne环形激光器，而掌握光与介质的相互作用理论是研究激光器的关键，采用拉姆半经典理论为主，在密度矩阵理论的基础上，推导环形谐振腔中描述He-Ne气体增益介质原子运动的光学布洛赫方程，运用介质极化理论得出描述激光陀螺反向行波的光强、位相所满足的自洽场方程组，在此基础上，运用MATLAB仿真软件和虚拟仪器编程语言LabWindows/CVI，对激光陀螺中的介质增益色散特性、频率牵引效应、烧孔效应及模竞争、闭锁效应及环激光的光强和相位特性进行仿真试验研究，并且运用全量子理论，对激光工作原理进行分析，得出二能级系统单模辐射场的光子数密度分布，得出激光场的光子统计分布，仿真激光场的动态建立过程。

The laser beam emitted by the laser is expanded to the cutting width required by the tipping paper via the laser beam expanding system, the expanded laser beam passes through the cylindrical surface focusing mirror and 4 focuses on the focal plane form a focal line and the tipping paper is cut off by the focal line on the focal plane.

由激光器发出的激光束经激光扩束系统将激光束扩大至水松纸所需的切割宽度，经扩束后的激光束通过柱面聚焦镜，在焦平面4聚焦形成一条聚焦线，水松纸在焦平面上被此条激光聚焦线割断。

On the base of the single-diameter laser-scanned measuring technology, a double direction laser-scanned measuring system is presented. Which combinate the laser-scanned measuring technology with special optical system. In the system, the collimation semiconductor laser-scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. The beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high-speed photoelectric transition and electronic data process. Two measured results of the diametric directs and ellipse tolerance,etc, parameter, of the turning workpiece on the same plane are obtained by non-contact automatic measurement. The problem of non-contact measurement of two perpendiculars direct of one plane of turning workpiece is settled. It processes many peculiarities, such as high speed, high accuracy and non-contact automatic measurement, etc.

在单向激光扫描检测技术的基础之上，提出了一种双向激光扫描检测系统，其采用激光扫描检测技术与特殊光学系统相结合，用准直半导体激光扫描光束对被测工件径向某一截面的两个相互垂直方向同时扫描，经扫描接收光学系统、高速光电变换、电子学系统和微机数据处理系统，对将携带有垂直方向被测量信息的光束进行处理，实现了回转体工件同一截面两个垂直方向的径向尺寸和椭圆度等参数的非接触自动测量，解决了同时非接触测量回转体零件同一截面两个径向尺寸的难题，它具有高速，高精度和非接触自动测量等特点。

In the second chapter the experiment technique and approaches are discussed,including laser induce fluorescence spectroscopy which the comprehensive adopted for liner laser spectroscopic study,and high resolution two-photon laser spectroscopy without Doppler broadening which belonged to nonlinear laser spectroscopic ,and the theory about the fluorescence rate equation .

第二章实验技术和研究方法中，讨论了在线性激光光谱中最为常用的激光感应荧光光谱、非线性激光光谱学可使谱线的多普勒宽度得以消除无多普勒双光子吸收光谱学和碰撞分析中使用的荧光的速率方程理论。

Diode-pumped solid-state laser is solid-state laser, used laser diode instead of flash lamp to pumping laser m...

激光二极管泵浦的固体激光器是用激光二极管代替闪光灯去泵浦激光晶体的固体激光器。

Funda factory laser processing plant is located with convenient transportation in Haizhu District of Guangzhou City Nanzhou Road - 583 number, my plant has experienced several engineers, more than 50 technical staff, professional to undertake the processing laser marking, laser engraving processing, plant my advanced metallic and non-metallic laser engraving machines, laser machine typesetting, computer graphics design, advanced technology and quality assurance.

丰达分厂镭射加工厂坐落与交通便利的广州市海珠区南洲路--583号，我厂拥有经验丰富的工程师数名、50多名技术员工，专业承接激光打标加工，激光雕刻加工，我厂先进金属和非金属镭射雕刻机多台，激光机械排版、电脑设计制图、技术先进、质量保证。

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。