1) ablation threshold
烧蚀阈值
1.
Experimental research of the ablation threshold of Kevlar/epoxy;
凯芙拉环氧复合材料烧蚀阈值实验研究
2.
Influence of moist environment on the ablation threshold of copper;
潮湿环境对黄铜烧蚀阈值的影响
3.
Laser beam deflection has been used to observe thermal and sound wave or shock wave generated near the ablation threshold.
用1064nm激光辐照金属样品,通过测量金属物质烧蚀阈值附近冲击波的渡越时间的突变,确定了Cu、黄Cu、Al3种样品在干燥空气中和潮湿空气中的烧蚀阈值。
2) damage threshold
烧蚀阈值
1.
The damage threshold increases from 0.
随着脉冲宽度从50fs增加到900fs,其烧蚀阈值从0。
2.
Absorption coefficient and damage thresholds in single-crystalline silicon are investigated theoretically when laser intensity is in the range 10~(13)~10~(14) W/cm~2.
理论计算飞秒脉冲激光作用下,单晶硅的吸收系数和烧蚀阈值。
3.
In these applications, its damage threshold is a very important parameter, so it is necessary to measure it.
实验利用800nm飞秒激光对金膜进行了表面烧蚀研究,用光学显微镜测量了不同脉宽(45~800fs)下材料的烧蚀斑面积,并由此计算出材料的烧蚀阈值。
4) threshold of ablation o f multiple pulses
多脉冲烧蚀阈值
5) etching threshold
刻蚀阈值
1.
The results demonstrate that there are laser damaging threshold and etching threshold in DLC films surface texturing.
结果表明,在薄膜的激光毛化工艺中存在激光损伤阈值和刻蚀阈值,当激光能量在激光损伤阈值和刻蚀阈值之间时,DLC薄膜的可见光透过率下降,密度变小;当激光能量大于刻蚀阈值时才能完成DLC薄膜的表面毛化。
6) laser ablation threshold
激光烧蚀阈
1.
The pulsed-laser ablation threshold of pure copper was determined according to the variation of the time-of-flight(TOF) of photoacoustic signals with the laser energy.
实验中,用He-Ne探测光束偏转方法检测光声信号,并根据光声信号飞越时间随激光能量密度的变化测定了纯铜的脉冲激光烧蚀阈值。
补充资料:地理阈值
亦称地理临界值。它将地理系统中的不同状态加以分隔与区分,把某一性质的表现范围加以限制和说明。在此种意义上,地理阈值代表了系统的“状态空间”的非连续性。在一般叙述中,常把地理阈值等同于地理系统边界条件,但二者是有区别的:如果两种不同的状态同时存在于相同的边界条件之中时,地理阈值的表现可能是“非传递性”的转移;而当两种不同状态分置于不同的边界条件之中时,地理阈值的表现可能是“过渡性”地转移。无论是非传递性转移的地理阈值,还是过渡性转移的地理阈值,都使地理系统中不可能具备唯一的、通用的或稳定的解。所谓“解”都是有条件的,都是在地理阈值约束下的解。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条