positron beam 中文意思是什麼
positron beam
解釋
正電子束-
Radiation effects have been investigated up to - 30 dpa by the heavy ion irradiation simulation and positron annihilation lifetime techniques in the home - made modified 316l stainless steel and the commercially available stainless steel and tungsten, which are used as the beam window materials for the spallation neutron source in accelerator driven radioactive clean nuclear power system ( ads ). their radiation resistance properties are compared
本工作採用重離子輻照模擬和正電子湮沒壽命測量技術研究了加速器驅動潔凈能源系統（ ads ）散裂中子源束窗材料鎢、普通不銹鋼和國產改進型316l奧氏體不銹鋼在0 30dpa輻照劑量范圍的輻照效應，並對它們的抗輻照性能作了比較。 -
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。 -
Beam - beam deflection effect in beijing electron positron collider
北京正負電子對撞機中的束束作用偏轉效應 -
In this paper, the high frequency c - v, the annihilation of slow positron beam and the infrared reflectance techniques were used to study the property of interface in sio2 / sic, the defects in sio2 and their physical characteristics
首先使用高頻c - v測試技術，在有光照和無光照的條件下，對p型和n型sio _ 2 sic的電容-電壓特性作了研究。 -
The 0 - 15kev energy slow - positron beam was used to measure the dopple broadening in sio2 / sic. both the s and w parameters clearly showed that the density of defect in sio2 layer had decreased after annealing in n2
利用0 - 15kev的慢正電子多譜勒能量展寬測試sio _ 2 sic的缺陷情況，發現不管是n型還是p型，氧化層附近其s參數經過n _ 2退火明顯減小， w參數在這個部位增大。 -
Secondly, the beam orbit offset effects caused by the initial beam offset and the linac components " offsets have been quantitatively studied first. as an example with the injector linac for beijing electron positron collider upgrading project ( bepcii ), the beam orbit offset caused by the above error effects have been simulated and analyzed
其次定量研究束流的初始徑向誤差和加速器部件的安裝誤差等對束流軌道偏軸的影響，並以北京正負電子對撞機二期工程（ bepc ）的直線加速器為例，給出了上述各種誤差導致軌道偏軸的模擬計算結果及其分析。
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