查询词典 laser

The perturbative theory of laser induced collisional charge exchange is presented, in which the laser induced collisional charge exchange is described as a four body system and the compound atomic and ionic states are used as basis states of LICCE, and the equation of motion for the probability amplitudes of the states are obtained.

将激光感生碰撞电荷交换看作一个四体系统，发展了激光感生碰撞电荷交换的微扰理论；以独立原子和离子的复合态波函数作为激光感生碰撞体系的基组函数，得到了体系态振幅的运动方程。

It is shown that this kind of film a-CdSe has an excellent photoelectric characteristics of instaneous response to picosecond laser pulse by testing the responsive time of those detectors using ultrashort light train pulses emitting from a colliding pulse mode -locking Nd:YAG laser.

用对撞脉冲锁模Nd：YAG激光器产生的超短光脉冲序列对探测器的响应时间进行检测，结果表明a-CdSe薄膜对皮秒10~(-12秒级的超短光脉冲作用具有良好的瞬态响应光电特性，探讨a-CdSe薄膜快速弛豫过程的内在机理。

In the process of transmitting and coupling of laser energy, there are some factors which caused energy lose. By doing experiment, these factors can be analyzed. Besides, since the instantaneity and complexity of the process, now it is difficult to completely understand the characteristics of laser ignition of energetic materials.

在激光点火系统中，激光能量的传输和耦合效果对激光点火非常重要，可用实验的方法测量能量传输过程中的能量损耗。

Okazaki in the record store data on the number of inverse laser beam focus will be on the spot diameter and the diameter is proportional to the wavelength of the laser.

冈为在唱片上所存储数据位的数目反比于将激光束聚焦后的光斑直径，而该直径又正比于激光的波长。

The relationship between the inverse number density of particle of the laser transition levels and the discharge condition such as the discharge current, the He pressure and the temperature of Cd-reservior has been achieved. The discharge condition for obtaining maximum laser output was theoretically achieved.

分析了441.6nm谱线的激发机理及各种粒子的相互作用过程，导出了441.6nm谱线跃迁能级激励的理论模型及其粒子数密度速率方程，得到了粒子反转数密度与放电电流、氦气压强和镉炉温度等放电条件的关系，从理论上，定量得出了获得最大输出功率时的放电条件。

Methods:16eyes of PACG were treated by laser peripheral iridoplasty and laser iridectomy.

16眼原发性闭角型青光眼第一次急性发作时立即行激光周边虹膜成形术和激光周边虹膜切除术治疗。

Although 25 eyes presented with acute angle closure glaucoma, 6 eyes were insidious onset and asymptomatic. While 27 eyes relieved pupillary block after laser iridotomy or surgical peripheral iridectomy, 4 eyes required vitrectomy or laser photomydriasis to relieve pupillary block. Five eyes (16%) developed chronic angle closure glaucoma due to peripheral anterior synechia. one could be controlled by chronic medical therapy, three required trabeculectomy, the another one even required cyclocryotherapy because poor IOP control after trabeculectomy.

虽然大多数的病例（25只眼）以急性发作为临床表徵，但有6只眼为隐袭性，无任何临床症状。27只眼经雷射虹彩瞳孔术或外科周边虹彩切除术后可以解除瞳孔阻塞，另4只眼无法解除而需作玻璃体切除术或雷射光瞳孔放大术。5只眼(16%)因周边前黏连发生慢性隅角闭锁性青光眼，其中1只眼可以药物控制，3只眼需做小梁切除术，另1只眼做小梁切除术后眼压仍无法控制而接受睫状体冷冻治疗。

With the ever-increasing needs of high power diode laser source, it is important to obtain symmetric diode laser beam with high power so that a kind of beam-shaping technique with isosceles right-angled prism group has been used to achieve this aim.

随着半导体激光器应用的日益广泛，半导体激光的光束质量在二维方向极不均衡的特点限制了它的应用范围。采用一种等腰直角棱镜组的整形方法，可实现二维方向的光束质量均匀化。

More recently laser surgery photorefractive keratotomy (PRK or laser insitu keratomileusis (LASIK have become popular.

较近期的激光手术（光状角膜切开术或（激光原位角膜磨镶术已成为热门。

Methods Laser sight Compak-200 laser and SCMD corneal shaper were used to corecte residual myopic after radial keratotomy on 38 eyes by PRK and 9 eyes by LASIK.

采用美国 COMPAK- 2 0 0型准分子激光治疗仪和SCMD公司的可调节器式气动微型角膜刀，分别对 RK后残留近视的 38眼和 9眼行 PRK和 L ASIK术，并随访半年以上。

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。