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All 5 patients of benign polyp were found to have excellent effect after Nd-YAG laser therapy, and so for, there was no recurrence. Two (esophageal cancer 1 and rectal cancer 1) of 19 patients of G-I cancer had excellent results with tumor size reduced over 90% and endoscope could pass through the stenotic area smoothly after Nd-YAG laser treatment. Six (esophageal cancer 2, gastric cancer 4) of them had good results with tumor size reduced 50-90% and patient could take semiliquid food after laser management. Eight patients (esophageal cancer 2, gastric cancer 4, rectal cancer 2) had fair effects with tumor size reduced less than 50%, but the oral intake or stool passage was improved. Three patients (15.8%) refused further endoscopy and laser management because of poor tolerance.

这5例良性息肉经雷射治疗后，肿瘤完全消失且目前无后发现象。19位恶性癌中，经Nd-YAG雷射治疗后，效果极佳（肿瘤大小减少90%以上，内视镜可通过肿瘤狭窄处）者2例（食道癌及直肠癌各1；效果佳（肿瘤大小减少50~90%，且病人可进食半流体食物）者6例（食道癌2，胃癌4）；效果尚可（肿瘤大小减少50%以下，但饮食进步或排便较过去进步）者8例（食道癌2，胃癌4，直肠癌2；3例患者(15.8%)因不能忍受内视镜及雷射治疗之痛苦，拒绝进一步的治疗而失败。

Now we maufactured products on scale, including: Semiconductor Laser / Low-frequency Treatment Instrument, Al Ga In P Semiconductor Laser Cure Instrument, Single-use Laser Head Cover, Laser Sitz Bath Instrument etc.

现规模生产半导体激光/低频治疗仪、铝镓铟磷半导体激光治疗仪、一次性使用导光头、激光坐浴机等系列产品。

BSpatial characterization of laser induced Cu plasma in air with different laser focusing distancesThe plasma spectra induced by pulsed laser ablation of copper target are measured. By adjusting the distance of the len-sample, the spectrum of air spark plasma、 Cu plasma and the reciprocity of both plasmas are analysed. From the result, it has been shown that the focusing of the laser beam has an important infunence to analyse the properties of the sample.

b 不同的激光焦点位置产生的等离子体光谱的空间特性研究激光烧蚀置于空气中的Cu靶产生等离子体，通过调节透镜与Cu靶的距离，本文观测了激光烧蚀空气产生的空气火花等离子体、激光直接烧蚀铜靶产生Cu等离子体以及空气火花等离子体与Cu等离子体相互作用等不同情况下的激光诱导击穿发射光谱，激光束焦点的位置在分析材料性质的过程中有着重要的影响。

The laser is a laser original Chinese name, is the stimulated emission of optical amplification means, laser engraving machine is laser engraving machine.

而镭射是激光最初的中文名，是受激辐射的光放大的意思，镭射雕刻机即是激光雕刻机。

The results are introduced in this paper. Backscattered light energy is 7.8% of laser energy when laser is focused on Au disk target; when laser beam is smoothed, it is 6.2%. The comparison shows that laser smoothing can restrain backscattered light efficiency.

结果表明：激光辐照Au盘靶时，在聚焦条件下背向散射能量约占打靶激光能量的7.8%；在束匀滑条件下背向散射能量份额下降到6.2%左右，证明了束匀滑可有效抑制背向散射。

Backscattered light energy is 7.8% of laser energy when laser is focused on Au disk target; when laser beam is smoothed, it is 6.2%. The comparison shows that laser smoothing can restrain backscattered light efficiency.

在聚焦条件下背向散射能量约占打靶激光能量的7.8％；在束匀滑条件下背向散射能量份额下降到6.2％左右，证明了束匀滑可有效抑制背向散射。

According to the influence of each laser parameter on processing and the advantage that a laser can achieve high laser quality nearby the last threshold,AOM Q-switched Nd∶YAG pulsed laser is adopted for microdrilling. As a result,the 15μm microhole in 0.7mm-thick zincification plate steel is obtained,and the ratio of depth and width is over 50,100% drilling rate is acquired.

基于各个激光参数对加工微孔的影响以及激光在阈值附近工作时光束质量较好的优点，采用声光调QNd∶YAG脉冲激光器进行阈值附近的微孔加工，在0.7mm的镀锌钢板上获得了直径为15μm的微孔，深径比超过50，打孔成功率为100%。

According to the anti-counterfeiting laser molded holographic imaging technology identifies the hologram of different can be divided into three dimensional laser pulse classics, bolographic anti-false and molded synthetic molding, multiple image laser molding, dynamic molding, dynamic grating molding, embedded hologram molded, inks encryption such as holographic laser molded anti-false identification.

根据激平模压全息不攻假标记全息图不败像技艺的差别可不兵其不合为经典、脉冲不一维激平模压全息不攻假标记以及不合不败模压、众轻图像激平模压、不静态模压、不静态平栅模压、隐不神全息模压、不攻假油墨加密激平模压等全息不攻假标记。

Recent years, laser medicine in vascular disease and dermopathy have enormousdevelopment, and researchs indicated that repetition Q-switch Nd:YAG laser hasextensive prospect. The double-pulsing Q-switch Nd:YAG laser (1064nm or 532nm)can cure dermopathy, and the repetition Q-switch Nd:YAG laser can cure vasculardisease.

近几年激光治疗血管类疾病和皮肤色素类疾病的医学研究表明，重复率Q开关Nd：YAG激光器在激光医学应用中有着新的广阔的前景，其中一类是用双脉冲Nd：YAG激光(1064nm或532nm)治疗皮肤类疾病，另一类是用重复率Nd：YAG脉冲激光治疗血管类疾病。

A general laser scanning altimetry equation is developed that describes an ideal system, followed by developing an error model for the laser scanner, and the INS and GPS units. The result is a modified laser equation that contains all errors introduced. The error model is evaluated by analyzing the difference between errorless equation and laser equation with errors.

本文从机载激光扫描测高对地定位的几何模型出发，详细推导了各项误差对机载激光扫描测高对地定位结果的影响关系式；详细分析了不同误差对激光脚点坐标的影响规律，并给出了相应的数值结果和量化指标。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。