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.
物理学家曾指出，用来生成中微子的质子脉冲，它在离开欧洲核子研究中心时约有10.5微秒长的持续时间。
Physicists had pointed out that the proton pulses that were used to generate the neutrinos that left CERN were of quite long durations, at 10.5 microseconds.
因此，OPERA团队使用了比上一次短3,000倍的质子脉冲来重复他们的实验，这样就会大大提高了中微子开始行驶时间的精确度。
Thus, the OPERA team repeated their experiment using proton pulses that were 3, 000 times briefer than last time, giving greater precision to the start time of neutrinos.
而在格兰·萨索接收到个体的中微子时，可能有来自提前或迟后于质子脉冲的质子，由此可能引起其确切行驶时间的不确定性，批评者说。
Individual neutrinos received at Gran Sasso could have come from protons early or late in the proton pulse, creating uncertainty in their exact travel time, detractors said.
因此，OPERA团队使用了比上一次短3,000倍的质子脉冲来重复他们的实验，这样就会大大提高了中微子开始行驶时间的精确度。
Thus, the OPERA team repeated their experiment using proton pulses that were 3,000 times briefer than last time, giving greater precision to the start time of neutrinos.
从腔内看，此电场就如同一个加速电流脉冲，该脉冲可选中并携带电子，或在极性逆转时选中并携带质子。
Viewed from inside the tube, this field looks like an accelerating electrical pulse, and it is this pulse that picks up and carries the electrons-or, if the polarity is reversed, the protons.
本文研究了质子转移型有机分子7 -羟基喹啉在皮秒激光脉冲作用下的光开关现象。
Optical switch phenomenon of 7-hydroxyquinoline with excited state proton transfer effect was investigated using picosecond laser pulses.
第二章介绍了超强激光脉冲辐照薄靶时单能质子的产生。
In the second chapter, we investigate mono-energetic proton beams from the foils irradiated by intense laser pulses.
配合谱仪进行了自旋回波脉冲序列的成象实验，获得了较高质量的质子密度图像。
The imaging experiment of spin-echo pulse-sequence was accomplished and images of good quality were obtained by using the homemade NMR micro-imaging system.
配合谱仪进行了自旋回波脉冲序列的成象实验，获得了较高质量的质子密度图像。
The imaging experiment of spin-echo pulse-sequence was accomplished and images of good quality were obtained by using the homemade NMR micro-imaging system.
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