在先前的研究中得到其原子水平上的结构，精确的结构特性允许他们用激光脉冲瞄准目标分子，并且只持续千万一份之一秒以使分子处以单电子自旋状态。
That precise characterization allowed them to target molecules with laser pulses lasting for one-quadrillionth of a second, or just long enough to set single electrons spinning.
机器每隔约100秒发送1个反质子脉冲进入到冷的氦气中。
The machine sends pulses of antiprotons about every hundred seconds into cold helium gas.
在一次森林调查期间，从一架飞机负载的激光雷达上扫射出一束发出大约一秒7万次脉冲的红外光从树冠层上穿过。
During a forest survey, an aircraft-borne lidar sweeps a beam that fires about 70, 000 pulses a second over the canopy.
在一次森林调查期间，从一架飞机负载的激光雷达上扫射出一束发出大约一秒7万次脉冲的红外光从树冠层上穿过。
During a forest survey, an aircraft-borne lidar sweeps a beam that fires about 70,000 pulses a second over the canopy.
也许有人会说，我们现在已经拥有了飞秒激光器，可以产生仅几毫秒长的脉冲。
"One may argue that now we have femtosecond lasers which generate pulses with a length of a few femtoseconds," he noted.
之前用燃气加热，需要几分钟才能把冰从模具里取出，而利用电脉冲法，只需要四秒就可以完成。
Whereas it can take several minutes for hot gas to get the ice out of the mold, a high-power electrical pulse takes about four seconds.
这种X光脉冲快门速度不到100飞秒（100飞秒= 万亿分之一秒的1/10）。
The X-ray pulses have a shutter speed of less than 100 femtoseconds (100 femtoseconds = 1/10 of a trillionth of a second).
这种新的激光器是产生长约1纳秒的暗脉冲，而不是光亮的脉冲。
Instead of the occasional light pulse, this new laser has the occasional dark pulse, which lasts about one nanosecond.
此方案对具有负啁啾的皮秒脉冲均具有较好的压缩和放大效果。
This scheme can be used to compress and amplify the pico-second pulses with negative chirp.
这些扫过地球的射线束使得磁星像灯塔一样，据记录其脉冲间隔为8.7秒。
Like a lighthouse, these beams sweep past the Earth and are registered as pulses separated by 8.7 seconds.
飞秒脉冲放大器中色散的计算和评价方法。
Calculation and evaluation of dispersions in a femtosecond pulse amplification system.
这种飞秒激光脉冲持续兆分之一秒(千万亿分之一秒)的时间，但是在其短暂的持续时间内，功率峰值可以达到北美电网功率相当的水平。
A femtosecond laser pulse lasts on the order of a quadrillionth of a second but reaches a peak power equivalent to that of the entire power grid of North America during its short burst.
但一道4纳秒脉冲的明亮的绿色激光将纸张上的油墨成功气化，得到了崭新如初的一张纸。
But a bright green laser applied in 4 nanosecond pulses vaporizes the print, leaving paper that looks as good as new.
论述了电爆炸导体的爆炸机制，设计了两个电爆炸断路开关的电感储能电路，通过斩波来产生一个纳秒级大电流的单触发脉冲。
Through studying the mechanism of the electric exploding, an inductive storage circuit with two electric explosive switches is designed to produce shot nanosecond pulse by chopped wave.
实验研究了超强超短飞秒激光脉冲在经过块状介质后的光谱展宽和色散补偿压缩现象。
The pulse spectrum broadening and dispersion compensation compression phenomenon when focusing the laser pulse into bulk media are experimentally investigated.
本论文对飞秒脉冲光束通过自由空间、线性色散介质和单透镜的传输特性作了深入研究。
The present thesis is devoted to studying the propagation of femtosecond pulsed beams in free space, linear dispersive media, and through lenses.
从微观能量传输角度，对飞秒脉冲激光的辐射传热及其产生的金属薄膜吸附层分子脱附过程的能量输运机理进行了研究。
From the microscopic view point of energy transfer, energy transfer mechanism of femtosecond pulse laser radiation on metal film and the resulted molecules desorption from substrate is discussed.
用数学方法模拟计算了泵浦作用时非饱和情形下染料分子的储能和飞秒脉冲的放大。
The store energy of dye molecules and the amplification of fs pulses in condition of under saturable energy were calculated by mathematical simulation.
对于飞秒脉冲干涉滤波器的设计和应用具有重要的参考价值。
The results can be importantly referenced by design and application of this kind of filter for femtosecond pulse.
在皮秒脉冲激光辐照时，半导体材料表面的能量转换过程中，重点讨论能量从电子-空穴等离子体到晶格的转换过程。
The processes of energy transfer of semiconductor surface irradiated by picosecond laser pulses are studied. Discussion is focussed on energy transfer from the electron-hole plasma to the lattice.
采用空心毛细管束缚强飞秒激光脉冲在高压强气体中产生的成丝时，空心毛细管芯径对光谱展宽有着重要的影响。
Inner diameter of capillary has important effect on the spectrum broadening when used to restrict filamentation in high pressure gas.
由于其高效率，该谱仪尤其适用于超短飞秒脉冲激光产生等离子体的实验研究。
Owing to its high efficiency, it is especially suitable for the experiments of ultrashort femtosecond pulse laser produced plasmas.
本论文主要是关于飞秒激光脉冲傅里叶时空变换整形的理论研究。
This paper is mainly on theoretical research of femtosecond laser pulse Fourier space-time transform shaping.
飞秒光谱全息是飞秒脉冲整形技术中非常重要的一种方法，它可以实现飞秒脉冲信号的记录、再现和处理。
Femtosecond spectral holography is a very important technique of femtosecond pulse shaping, which permits storage, recalling and processing of femtosecond pulse signals.
纳秒脉冲发生器的制作与测试。
实验表明：材料的亚纳秒脉冲绝缘和色散特性尚需进一步研究。
The experiments show that the material insulation and dispersion in sub- nanosecond pulse should be investigated deeply.
实验表明：材料的亚纳秒脉冲绝缘和色散特性尚需进一步研究。
The experiments show that the material insulation and dispersion in sub- nanosecond pulse should be investigated deeply.
应用推荐