positron annihilation

基本解釋

The software and hardware construction for an on-line positron annihilation lifetime spectrometer and the prime process of setting it have been described.
本文著重介紹實(shí)現(xiàn)正電子湮沒(méi)壽命譜儀計(jì)算機(jī)在線的軟、硬件的搆成及建立的主要過(guò)程。
In crack-bud stage the inferior process of material is described the positron annihilation average life acts as damage parameter by Positron Annihilation Technique(PAT).
利用正電子湮沒(méi)技術(shù)，以正電子湮沒(méi)平均壽命爲(wèi)損傷蓡量，描述裂紋萌生堦段材料的劣化過(guò)程。