查询词典 picoseconds

Clamps Transients in less than 100 picoseconds · Working Stand-off Voltage range of 5V to 170V · Hermetic DO-213AB package.

2·夹具瞬变工作对峙的5V至的170V·全封闭的DO - 213AB封装电压范围。

Another important phenomenon we found is the self-repairing of broken C-C bond on the sidewall of SWNT by annealing at room temperature for several picoseconds.

当直径小于20〓时，体密度与纳米管的螺旋度有关。随着纳米管直径的增大，螺旋度的影响逐渐变小。

It means AIMD is a reliable method to simulate liquid and amorphous systems. All the supercells employed in our paper contain more than 100 particles and the simulation time is about several picoseconds.

结果显示，我们的模拟虽然仅仅选取64（和100）个原子的立方超元胞和20皮秒的模拟时间，但是得到的数据与实验结果极为吻合，说明从头算分子动力学方法模拟非晶态合金是可靠的。

It was found that the reflectivity reduced down to a minimum in 0.5 ps after pump excitation, and then started to increase sharply up to a new maximum larger than the initial reflectivity in several picoseconds.

发现光激发后0.5ps时间内，反射变化率降到最小值，然后开始迅速增加，在几个皮秒时间内达到大于初始反射率的新的最大值。

Furthermore, the obtained slower decay component with the lifetime up to hundred picoseconds from time-resolved photoluminescence and femetoseocnd dynamics traces could be assigned to the change of molecular conformation involved.

另外，在时间分辨荧光和飞秒动力学过程中所观察到的上百皮秒的慢过程归属于分子的构象变化。

In parallel with this effort, many novel ideas were put forward to measure the time interval accurately, including current integration techniques, counter techniques, analog time expansion, and many ways to execute time interpolation which is the main technique to get resolution as high as picoseconds.

随着科学技术的进展，许多精确测量时间的方法被陆续提出，比如电流积分技术、计数器技术、模拟放大技术、内插技术等等，其中内插技术是获得ps 量级测量精度的主要手段。

And the final, crucial transition -- the transition from computers working at nanoseconds to computers working at picoseconds -- was dependent on Type IIb diamonds.

而这最终的、关键性的转变--将运行速度为毫微秒的电脑转化为运行速度为微微秒的电脑--则将依赖于Ⅱb型金刚石。

The transit time and gain characteristics of electrons which travel in the micro-channel plate gated by picoseconds high voltage pulse were simulated.

对皮秒高压脉冲驱动下微通道板中电子的渡越时间特性和增益特性进行了数值模拟，在电压脉冲波形分别为高斯形、三角形和梯形时，得到了电子渡越时间与电压脉冲宽度、幅度的关系曲线。

The following results are found: Talbot self-imaging effect will appear when the full width at half-maximum of the incident short-pulsed light Δτ is within picoseconds and it will be gradually diminished at Δτ becomes small.

当激光脉冲的Δτ从皮秒逐渐减小时，塔尔博特自成像现象逐渐消失。而当激光脉冲的Δτ小于几十个飞秒时在第一个塔尔博特距离处光栅的衍射光强的最大值随Δτ的减小而减小。

The ionized tracks are measured by optical probing technique. Collimated ionization tracks lasting for 60 picoseconds and extending 150 to 300 micrometer in length and 8 micrometer in diameter are observed.

实验观察到了在镀铝膜石英玻璃靶中在激光入射方向近似各向同性的辐射热传导，并在其前端有几条离化径迹，这些离化径迹是相互平行且等间距的，径迹之间的间距约13微米，其宽度约8微米，所观察的径迹从产生到消失的时间约60ps，在这个时间段内径迹的长度从 100-300微米变化。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。