查询词典 ultrashort

Objectives:To evaluate the therapeutic effects of acute superficial phlebitis with ultravioet Irradiation and ultrashort wave therapy.

评价紫外线与超短波治疗急性浅静脉炎的临床效果。

Study on the propagation properties of the ultrashort pulse in the amplified medium.

超短脉冲在放大介质中传输特性研究。

In this paper a finite element model with the moving heat source and mesh remove technique in software package ABAQUS is used to simulate the process of percussion drilling with ultrashort laser. The temperature profile and residual stress distributions around the laser-formed hole can be calculated by a sequentially coupled thermal-stress analysis.

本文尝试以有限元素分析软体ABAQUS，利用移动热源之观念及网格移除技术来模拟超快雷射的多脉冲钻孔加工过程，以描绘出钻孔周遭的温度分布曲线，并透过顺序偶合法分析其所造成的应力场分布情形。

Ultrashort pulses compression with four prisms system in plane-parallel oscillator.

四棱镜系统压缩LD 端泵Yb：YAG 皮秒脉冲的实验研究。

Three-pass differential interferometry, ultrashort baseline and external DEM based repeat-pass SAR interferometry are employed to assess the seismic displacement.The final results show that the external DEM based repeat-pass InSAR is better than three-pass differential method in such area.

本研究分别进行了三路差分干涉、超短基线重轨干涉和基于外部DEM的重轨干涉处理方法的实验，对于结果的对比分析表明，基于外部DEM的重轨干涉方法在该类地区应用效果优于三路差分方法。

Methods Twenty eight pure New Zealand rabbits were used, of which four were for nerve localization and the rest were randomized into untreatment group and ultrashort wave groups, after the establishment of the nerve root compression models by inserting a silastic tube into the intervertebral canal to compress the sixth and seventh left lumbar nerve roots.

方法纯种新西兰成年兔28只，4只作神经定位解剖，其余24只全部做手术造成腰神经慢性压迫，随机分成2组，未处理组和超短波组，每组又分10 d组、30 d组和180 d组。压迫模型：将硅胶管从椎间外孔缓慢塞入椎间管内，压迫腰6和腰7左侧神经根直到实验兔被处死，右侧为自身对照侧。

It is included the energy spectrum and angular distribution of hot electrons generated by ultrashort laser-solid interaction, the effect to electron behavior of electrical conductivity of target material, the hot electron activities and plasma characteristics in various plasma scale length, the rule of electron movement related to the high harmonic generation in gas, the excelled calculation about the condition of high harmonic generation, the study of electron spectrum and ion spectrum generated by Coulomb explosion in laser cluster interaction.

其中包括超短脉冲激光与固体靶作用中超热电子的能谱和角度分布，靶材料的电导率对电子行为的影响以及在不同的密度标长条件下超热电子和与电子相关的等离子体特征；超短脉冲激光与气体靶相互作用中与高次谐波相关的电子的具体运动规律和产生短波长高次谐波的优化条件；超短脉冲激光与团簇原子相互作用中通过对电子的隧道电离而引起的库仑爆炸等。

Coupled a ultrashort laser pulses into the fiber probe to serve as near-field optical excitation and acquired their response optical pulse, images of each moment that happened in a few picoseconds or nanoseconds could be obtained only once. The time broaden properties for a 50 ps pulse through a fiber probe were measured by streak camera.

在高时间分辨NSOM研究方面，本文先后建立了以皮秒红外条纹相机和光电倍增管为测量手段的皮秒、纳秒时间分辨NSOM装置，通过采集样品响应光脉冲的时间特性，单次扫描就可完成皮秒、纳秒变化过程中的近场光学图像。

These study results confirm that shorter laser pulses induced optical Kerr effect can reflect the nonlinear optical properties of the materials more exactly, which can provide the new ideas and references on studying the interaction of ultrashort pulses and nonlinear optical materials.

这一研究成果证实利用更短的光脉冲诱导光Kerr效应更能反映材料的光学特性，为超短脉冲激光与非线性光学材料作用的研究提供新的思路和参考。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。