而较高的激光功率密度有利于获得较纯的产物。
And the higher laser power densities were helpful to making purer ultrafine powders.
讨论了激光功率密度的变化对冲击波峰值的影响。
The changes of peak pressure depending on the laser power density were studied.
结果表明，薄膜致密化程度随着激光功率密度的增加而增加。
The experimental results demonstrate that the shrinkage of films increase with the laser power density.
激光功率密度和扫描速度对涂覆层微观组织结构有显著影响。
The effect of both laser power density and scanning speed on coating microstructure was remarkable.
总结了染料激射寿命随激光功率密度和温度变化的实验规律。
The experimental results showed that the dye's lasing lifetime changes with the laser power density and temperature.
结果表明，缝宽随激光功率密度、频率以及脉宽的增加而加大；
The results showed that the kerf width increases with the increase of the power density, pulse frequency and pulse width;
分析了激光扫描时激光功率密度分布状况不同对表面温升的影响。
This paper analyses the affection of different laser power density distribution to surface temperature rising during laser scanning.
随焊接热输入和激光功率密度的增大，焊缝截面由钉形向近X形转变。
With increase of heat input and laser power density, the cross section of the weld transformed from nail shape to near X shape.
通过改变脉冲激光功率密度分布函数的形状，分析了温度分布的变化。
The variation of the temperature distribution is discussed with the variation of the pulsed laser power density.
且该蓝光发射一旦获得，则其发光强度基本不再随激光功率密度变化而变化。
Once the blue-light emission wasobtained, it will not change with the increase of the power density of laser.
利用所建模型，分析了不同激光功率密度和背景气压对烧蚀和蒸汽膨胀的影响。
The model has been used to investigate the influence of different laser irradiance and ambient gas pressure on the laser ablation and the expansion of plume.
还进行了激光成道实验探索，由于激光功率密度太低，实验中没有观察到通道结构。
Furthermore, we have studied the laser channel, but we did not observe the channel structure in the experiment as our laser intensity was too low.
把反应物置于均匀外电场中，可以使引发化学反应时所需的激光功率密度阀值降低一倍。
Putting the reactants in uniform electric field, we reduced the laser power density threshold needed by said reaction by a factor of two.
根据激光吸收区等离子体组分与激光功率密度的关系判定激光支持爆轰波(LSDW)的点燃阈值。
The ignition threshold of laser supported detonation wave (LSDW) can be determined based on the component variation of plasma in the laser absorption zone with laser power density.
分析和实验得出，通过控制入射激光功率密度和作用时间可以实现相变硬化及快速熔化——凝固处理。
The phase transformation hardening and fast melting-solidification by controlling power intensity and shocking-time of laser pulse have been analysed.
激光功率密度达相对论强度以上时，靶后表面法线方向快电子能谱拟合平均温度高于已有的温度定标率。
The temperature of hot electrons is much higher than that expected by the empirical scaling law as the laser intensity reaches the relativistic.
激光功率密度和后续热处理温度对PT C热敏电阻方阻和电阻温度系数影响较大，并都存在一个最佳值。
The laser power density and the temperature of post heat processing have great effect on the sheet resistivity and TCR of PTC thermistor, and there exist optimum values for these parameters.
利用带有针孔的透射式光栅光谱仪研究了激光等离子体X射线辐射的原子序数依赖性和激光功率密度对辐射的影响。
This paper presents the studies of the dependence of soft X-ray emission on atomic-number and laser intensities by using a new diagnostic tool, pinhole transmission grating spectrograph (PTGS).
结果表明，脉冲co 2激光功率密度经三次反射激光聚焦系统达到空气击穿阈值，实验中观察到等离子体发光现象。
The results show: pulse power density from CO2 laser reaches air breakdown threshold through thrice reflecting focus system, and plasma radiation phenomena is observed in the experiment.
实验结果表明 ，激光功率密度、反应压力、载气种类及流量等反应参数对粒子的粒径、形貌、收率等性能均有一定影响。
The experimental results showed that the process parameters such as laser power density, reaction pressure, the sorts and rate of airflow affected particles' shape, size and yield.
由于结合剂和磨粒之间存在热物理、光学性质差异，可通过选择合理的脉冲激光功率密度去除结合剂，凸出磨粒，实现选择性去除。
Due to the thermal-physical and optical differences between bonds and abrasives, suitable pulse power density is selected to remove bonds and protrude abrasives realizing the selective removal.
焊接过程中合适的保护气体及其送气方式也是十分必要的。大量试验表明，激光功率密度、焊接速度、脉冲宽度和脉冲频率四个参数的合理组合是实现不锈钢薄板焊接的关键因素。
The results show that the rational combination of welding parameters such as the laser power density, the welding speed, the pulse frequency and pulse width influence the quality of the weld beam.
在高功率密度激光作用下，某些线性介质中会产生非线性自聚焦现象。
Under high power density laser action, in some linear media could produce nonlinear self-focusing.
本文用实验方法表明，用高功率密度激光照射合金表面可获得金属玻璃。
This article indicates in an experimental way that Metglass can be gained with high power density laser beam shining the surface of an alloy.
本文研究了不同的约束层和激光脉冲功率密度对铝合金疲劳寿命的影响。
This paper investigates the effects of different overlays and laser power density on the fatigue life of aluminum alloy.
研究了低功率密度激光辐照结构的热动力失效。
The thermodynamic failure of the structures irradiated by laser beam with low power density are studied in this paper.
疲劳试验结果表明：约束层冲击阻抗越大，激光脉冲功率密度越高，铝合金激光冲击处理后疲劳寿命的提高越显著。
The fatigue test results show that the higher shock impedance of overlays, and the higher laser power density, the greater the increase of fatigue life of aluminum alloy.
足够的功率密度、用适当的焦距并确定最好象面、再聚焦方法等是激光深微孔加工的重要因素。
The important factors for laser depth-microdrilling are the sufficient power density, suitable focal length, determination of the best image plane and refocusing etc.
实验中发现，传统结构的光泵浦垂直外腔面发射半导体激光器，随着泵浦功率密度的增加，器件的温升现象严重。
In experiment, it was found that temperature increasing of original OPS-VECSEL is very serious with increasing pumping power a new type of semiconductor laser.
研究了八种金属材料表面涂布绝缘和非绝缘粉末层在低功率密度和高功率密度的CO_2激光作用下的吸收特性。
The absorption characteristics of eight kinds of powder layers coated on common metals have been investigated using CO_2 laser beam with low and high power density.
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