查询词典 Pulse

Simulations of gain and aberrance are done to study the amplification of pulse signal with a frequency of 0.25MHZ.

对频率为0.25MHZ的脉冲信号放大进行了仿真，分析了其增益和脉冲畸变随放大参量的变化情况。

In the first section of the thesis, Er: YAG lasers of different mode and pulse width were used to ablate rabbit's corneas.

本研究的第一部分采用不同脉宽和模式的Er：YAG激光消融兔眼角膜组织。

Using Nd:YAG laser (with a wavelength of 1064nm and a pulse width of 10ns) ablate copper target in air to observe the emission spectra of plasma.

利用Q-开关Nd：YAG激光器产生的1.06μm、10ns的脉冲激光聚焦在空气中的Cu靶上，观测了激光诱导的Cu等离子体发射光谱。

Using Nd:YAG laser (with a wavelength of 1064 nm a nd a pulse width of 10 ns) ablate copper target in air to observe the emission spe ctra of plasma.

利用Q-开关Nd：YAG激光器产生的1.06 μm、10 ns的脉冲激光聚焦在空气中的Cu靶上，观测了激光诱导的Cu等离子体发射光谱。

In this thesis, the study results of the basic characteristics of laser-ablation Cu plasma are given, Following are the details, The research of laser induced Cu plasma emission spectra in airUsing Nd:YAG laser (with a wavelength of 1064nm and a pulse width of 10ns) ablate copper target in air to observe the emission spectra of plasma.

本论文采用光谱方法对激光烧蚀产生的Cu等离子体的基本特征进行了实验研究，主要内容有：空气中激光烧蚀Cu产生等离子体发射光谱的研究利用Q-开关Nd∶YAG激光器产生的1.06μm、10ns的脉冲激光聚焦在空气中的Cu靶上，观测了激光诱导的Cu等离子体发射光谱。

Experiments that use single-pulse laser to ablate small steel ball in atmosphere were conducted.

采用单脉冲激光进行了大气环境下激光烧蚀小钢珠实验，得到其推进效应参数，发现并分析了钢珠在不同放置位置时不同的物理现象；为了得到一系列定量实验数据，采用自行研制的激光冲量靶仪进行了单脉冲激光烧蚀推进效应实验测试，得到了不同环境条件、不同靶材料的激光推进效应参数，并与国外的实验数据以及数值计算结果进行了比较。

An Nd:YAG Q-switched laser operating at a wavelength of 266 nm, a pulse duration less than 10 ns, and a repetition rate of 10 Hz, was used to ablate a ZnO target of 99.9% purity.

所使用的光源为Nd：YAG Q-switched雷射，其波长为266 nm、脉冲宽度小於10 ns、重覆频率10 Hz；使用的靶材为纯度99.9％的氧化锌。

Finally, the mechanism of pulse laser ablation for ZnO nanoparticles was also discussed.

最后，对氧化锌纳米颗粒的激光烧蚀机制进行了解释。

Group velocity of the optical pulse propagation would be reduced based on coherent population oscillation effect in an absorbing medium.

由于相干布居振荡效应，光脉冲通过处于吸收状态的掺铒光纤介质时，将导致群速度传输减慢。

At the end of the current pulse, however, the trapstransfer from the absorbing to the nonabsorbing state.

但在电流脉冲终了时，具有特殊性质的陷阱就从吸收状态变成非吸收状态。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。