The electron free flying time is determined by the electron -neutral particle collision frequency.

电子的自由飞行步长由电子与中性粒子的碰撞频率来决定。

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The hydrogen energy spectra during ICRF heating were measured with neutral particle analyzer in the HT-6M Tokamak lon temperature increase are observed.

介绍了用电荷交换分析器测量了HT-6M托卡马克离子回旋共振频率加热时的氢离子能谱，观察到离子温度的增加。

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Moreover, the average collision cross-section between a slow electron and a neutral particle is measured at several different temperatures using both the interferometer and the transmission methods.

本文将条纹干涉仪与透射仪联合使用，测定了在某些温度下慢电子与中性粒子的平均碰撞截面。

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Neutrino astronomy is hard because neutrinos (a type of electrically neutral elementary particle) are rarely absorbed by matter.

ECONOMIST: This year, the Nobel authorities have shown a deft touch

Although the probe would carry no cameras in the classic sense, its onboard instruments would include a low-energy charged particle experiment, a magnetometer, a cosmic ray detector, and an energetic neutral atom detector.

FORBES: Jump-Starting A Mission To Interstellar Space