輻照壽命 的英文怎麼說
中文拼音 [fúzhàoshòumìng]
輻照壽命
英文
irradiation life-
Study on positron annihilation spectra of baf2 crystals by proton radiation
氟化鋇晶體質子輻照的正電子湮沒壽命譜研究The sample with low emitter efficiency has completed as the method of above. this lead to the greatly decrease of the reverse recovery time and the low reverse leakage and forward voltage, especially the excellent temperature character of the leakage. the test date shows that the samples reach the first class of international level
本論文作者通過模擬測試，驗證了課題研究的理論設想，並設計製作了具有低陽極發射效率結構的高壓功率frd ，利用局域鉑摻雜和電子輻照相結合的壽命控制方式，實現器件反向恢復時間的極大減小，並且反向漏電流、軟度因子、正向壓降等關鍵參數也較理想，且具有極佳的漏電溫度特性，達到器件綜合性能的優良折衷，達到國際先進水平。A model of the minority carrier lifetime damage constant is presented. the model is proved to be reasonable by good match with experimental data
結合具體的試驗條件，證明了所得出的電子輻照4h - sic少子壽命損傷系數的模型是合理的。The local pt diffusion is formed by the pt gettering by the hole defection deduced by hydrogen irradiation. the irradiation energy and dose definite the axial position and dose of the local pt diffusion respectively
本課題研究提出了新型的局域鉑摻雜技術和電子輻照技術相結合的壽命控制技術，以期改善frd的綜合性能。After measuring dark current, photocurrent and response to x pulse of gaas detector before and after 1. 7 mev electronic radiation, the response tune, fall time of trailing edge, full width of half maximum ( fwhm ), sensitivity, carrier life, mobility are researched and contrasted. the result shows that the response speed of detector, time resolution ratio and nonlinear of back edge of output signal have been improved greatly after electronic radiation. though sensitivity of the detector reduces, its measuring range can be widened
為了使探測器的性能得到進一步的提高，我們對其進行了電子輻照改性，並測量了本徵砷化鎵探測器和經過1 . 7mev電子輻照的探測器的暗電流、光電流及對x射線的脈沖響應，並對其響應時間，后沿下降時間，半高寬（ fwhm ） ，載流子壽命，靈敏度進行對比，研究，結果顯示經電子輻照后的探測器的性能得到了改善，使響應速度，分辯率進一步提高，並消除了探測器輸出信號后沿的非線性，雖靈敏度有所降低，反而使其測量范圍得以拓寬。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。However, the switching power loss of si p - i - n diode increase with the switching frequency so that it is necessary to reduce the switching power loss by lifetime control technology which employs lifetime killer such as au, pt or radiation to lower the stored charge ( qs )
但是，其開關功耗隨著開關頻率的提高而增大以至於不得不採用壽命控制技術（摻金、鉑和輻照等）來降低少數載流子壽命從而降低開關功耗。For the material characteristics limitation of si, the switching power loss of si pin diode increase with the switching frequency so that it is necessary to reduce the switching power loss by lifetime control technology which employs lifetime killer such as au, pt or radiation to lower the stored charge ( q., )
Sipin二極體由於其材料特性的局限性，使開關功耗隨開關頻率的提高而增大，通常採用壽命控制技術（如摻金、鉑和輻照等）降低少數載流子壽命從而降低開關功耗。Vanadium is a candidate element for the first wall material of iter project. so its neutron data are very important. this is the main reason we did such measurement
~ （ 51 ） v是iter工程中第一壁材料的候選核素，在強的14mev中子輻照下長壽命剩餘放射性較少，是重要的結構材料，因此它的一些中子核數據是必須的。After annealing at 600, because of formation of multi - vacancy - type defects that have long positron lifetime, positron annihilation average lifetime increased. when the average positron lifetime increased to maximum value ( 360ps ), the interstitial oxygen concentration decreased to minimum value ( 4 1017atoms / cm3 ). this result suggested that oxygen was involved in the formation of multi - vacancy - type defects
正電子湮沒技術測試證明，快中子輻照直拉硅中在大約600退火時產生的多空位缺陷具有較長正電子壽命，可以使正電子平均壽命增加，當樣品的正電子平均壽命達到最大時（ 360ps ） ，其間隙氧含量降到一個極小值（ 4 10 ~ （ 17 ） atoms / cm ~ 3 ） ，這說明氧參與了這些缺陷的形成。分享友人