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mev MEV, Mev, mev, m.e.v.= milli...

mew

Heavy ion irradiation of 80 mev 12c or 85 mev 19f is used to simulate the proton and neutron irradiation of the beam window materials for ads . the irradiation effects are examined by the positron annihilation lifetime technique 在ads散裂中子源束窗材料輻照效應研究中,使用80mev的~ ( 12 ) c或85mev ~ ( 19 ) f離子模擬中子及質子輻照在束窗材料中產生的輻照損傷。

The light yield of the as - grown crystal is 1 865phe / mev , , the decay time of fast component is 23ns and that of slow component is 99ns , the proportion of fast component and slow component is 88 % and 12 % respectively 光輸出性能測試結果表明ce : yap晶體的光產額為1865phe mev ,衰減時間的快慢成分分別為23ns和99ns ,快慢成分比例分別為88和12 。

The way of compton recoil electron is used to measure the gamma - ray leakage spectra from iron spherical target assembly pulsed with 14 - mev d - t neutrons . the energy range of measured gamma - ray spectrum is 0 . 5 - 5mev 用康普頓反沖電子方法測量了14mev的d ? t中子穿透系列鐵球的伴生射線泄漏能譜,能譜的能量范圍為0 . 5 ? 5mev 。

Dongxu zhao ( condensed matter physics ) directed by prof . dezhen shen and prof . yichun liu zinc oxide ( zno ) is a wide band - gap semiconductor ( 3 . 37 ev at room temperature ) with the high exciton binding energy of 60 mev = zno是一種寬帶隙的半導體材料,室溫下它的能隙寬度為3 . 37ev ,激子束縛能高達60mev 。

The extremely high density of deposited energy of gev heavy ion can be reached with mev cluster beams . under this conditions new phenomena should be discovered 利用mev量級能量的團簇束即可達到gev重原子離子在物質中的能量沉積密度,在這種條件下,載能團簇與物質作用將成為豐富新現象的源泉。

Medical electrical equipment . particular requirements for performance . methods of declaring functional performance characteristics of medical electron accelerators in the range 1 mev to 50 mev 醫用電氣設備.第3部分:性能的特殊要求.第1節: 1mev至50mev范圍內的醫用電子加速器性能特性表示方法

Energy resolutions of 3 . 3 % for the ae detector and 1 . 5 % for er detector are obtained by the in - beam test with the elastic scattered 12c from 197au at the energy of 50 . 3 mev 它可單獨作erd分析,也可配合q3d磁譜儀進行erd分析,獲得高精度的元素深度分布譜,也可用于其它核物理實驗中。

Industrial radiography . determination of the speed and average gradient of film - based image receiving systems for use in the energy range from 300 kev to 1 , 5 mev with iridium 192 工業放射學.能級從300kev至1 . 5mev的銥192用底片圖象接收系統感光度和反差平均值的測定

Reference sources for the calibration of surface contamination monitors . part 2 : electrons of energy less than 0 , 15 mev and photons of energy less than 1 , 5 mev 表面污染監測儀校準的參考輻射源.第2部分:能量低于0 . 15mev的電子和能量低于1 . 5mev的光子

The energy calibration is around 1 . 1 mev per channel for oxygen ion and iron ions when energy deposition is less than 50 mev in each detector 從重離子的能譜中我們可以看到,在半導體探測器中的能量沉積大于50mev時,將引起電荷靈敏前置放大器飽和。

Radiation protection instrumentation - installed dose equivalent rate meters , warning assemblies and monitors for neutron radiation of energy from thermal to 15 mev 輻射保護儀器.中子輻射能量到15mev的可安裝的劑量當量率計,報警裝置和監視器

Radiation protection instrumentation ; installed dose ratemeters , warning assemblies and monitors ; x and gamma radiation of energy between 50 kev and 7 mev 輻射防護儀表.內裝的劑量強度計.報警裝置和監視儀.能量在50kev和70mev之間的x和輻射

Radiation protection instrumentation - installed dose ratemeters , warning assemblies and monitors - x and gamma radiation of energy between 50 kev and 7 mev 輻射防護裝置.安裝的劑量儀.報警組件和監測儀.能量在50kev和7mev的x和射線輻射

E 0 , 15mev evaluation of surface contamination . part 3 : isomeric transition and electron capture emitters , low energy beta - emitters e beta max inferior to 0 , 15 mev 表面污染的評估.第3部分:同質異能躍遷和電子俘獲發射器,低能量發射器

Our result shows that the rce detector based on this system has very high quantum efficiency and extremely sharp resonant response peak ( 16 mev ) 我們的結果顯示, 1 . 3 m左右rce探測器具有很高的量子效率和非常窄的共振響應峰( 16mev ) 。

Medical electrical equipment - medical electron accelerators in the range 1 mev to 50 mev - guidelines for functional performance characteristics ; amendment 1 醫療電氣設備.在1 - 50mev范圍內的醫療用電子加速器.功能特性指南.修改件1

Designers say that the worst problem caused by a hane ' s radiation is deep dielectric charging from the mev - energy electrons 設計人員指出,高空核爆輻射線所造成最大的問題,其實是擁有百萬電子伏特能量的電子所形成的介電質電荷。

So we conclude that observed electron energy spectrum about 10 mev in large flare may be produced by the acceleration of synchrotron radiation 因此我們認為太陽耀斑中10mev左右的能譜是由同步加速輻射加速日冕快電子產生的。

Medical electrical equipment - part 2 - 1 : particular requirements for the safety of electron accelerators in the range 1 mev to 50 mev ; amendment 1 醫療電氣設備.第2 - 1部分: 1 - 50mev范圍內醫用電子加速器安全的特殊要求.修改件1