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Various techniques have been used to prepare ZnO films, such as pulsed laser deposition, chemical vapor deposition, molecular beam epitaxy, magnetron sputtering, and metalorganic chemical vapor deposition.

有很多种技术已经用於制作氧化锌薄膜，例如：脉冲雷射沉积法、化学气相沉积法、分子束磊晶法、磁控溅镀法、有机金属气相沉积法等等。

Photochemical reduction of UO2(NO3)2 and production of HNO2 in 30% TBP-kerosene solution are investigated using an argon ion laser with 488 nm monochromic beam, and the effects of some, factors on quantum yield have also been studied.

用Ar~+激光器的488nm单色光研究了UO_2(NO_3)_2-30％TBP-煤油体系中U的光化学行为。实验表明：光照后TBP有机相内含有还原生成的U和TBP的主要降解产物DBP和丁醛；生成U的量子产额与酸度、温度、TBP浓度有关。

In order to depress the gas thermal effects on laser propagation,it should be considered to minimize the superposed areas in beam path.

因此，为抑制气体热效应对光束的影响，在考虑其它因素的同时，应尽可能减小光路中的光束交叠区域。

The development of a broadly tunable excimer laser source by exploiting bound-free transitions of electron beam-pumped diatomic and triatomic are gas halides is described.

宽带可调谐准分子激光源，是电子束泵浦的双原子和三原子稀有气体卤化物通过束缚-自由跃迁产生的。

Results showed that due to the ununiformity of the laser power intensity in spatial distribution,the depth of the hardened layer at either side of the beam spot differed obviously.

结果表明，由于激光能量密度空间分布的不均匀，导致光斑左右两侧硬化层深浅不一致。

The main factors to influence collimating the beam of laser diode with lenses are analysed.

分析了它们各自的适用范围、优点和局限性。

This article chiefly studies the beam collimating of high power diode arrays laser.

本课题主要对大功率半导体激光器阵列光束准直技术进行了研究。

This paper concerns the thermal lensing effect that occurs as laser going through an optical window,and its influence on beam quality.

分析了高功率激光通过窗口时，引起的窗口热透镜效应及其对激光光束质量的影响。

Both a system and method are provided for modulating the intensity of an output beam generated by semiconductor laser.

本发明提供了调制由半导体激光器产生的输出束的强度的系统和仪器。

In chapter 2, based on analysis for the existed methods of torsional vibration measurement, a novel measuring method, parallelling dual-beam laser doppler torsional vibration measurement is first put forward by the author, it not only divides translation and rotation of the rotor, but also can be used to measure torsional vibration of non-cylinder rotor.

本文的第二章在分析现有扭转振动测量方法的基础上，首次提出平行双光束激光多普勒扭转振动测量方法，它不仅解决了转子平动与转动的完全分离，还能测量各种非圆形截面转子的扭转振动；为辨别转子的转动方向，还提出双频激光多普勒测振仪，满足故障诊断对测量启、停转子和转速方向变化转子性能的要求。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。