過度輻照 的英文怎麼說

中文拼音 [guòdùfúzhào]
過度輻照 英文
overexposure
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 輻 : 名詞（車輪中車轂和輪圈的連接物） spoke
  • 照 : Ⅰ動詞1 （照射） illuminate; light up; shine 2 （反映） reflect; mirror 3 （拍攝） take a picture ...
  • 過度 : excessive; over; undue; ana-; hyper-
  1. When human body receives a high radiation dose of more than 1 sv in a short time, acute radiation effects may occur, such as nausea, vomiting, fatigue and epilation

    人體若突然受到大量輻照，即超過1希沃特，會引致急性輻射傷害，並產生短期癥狀如作悶嘔吐極度疲倦和脫發等現象。
  2. Plastics - methods of exposure to direct weathering, to weathering using glass - filtered daylight, and to intensified weathering by daylight using fresnel mirrors

    塑料製品.直接風化輻照使用玻璃濾過日光風化輻照和使用菲涅耳鏡處理的日光強度輻照方法
  3. Due to high - thermal stability and independent of impurities dj - center is argued to originate from antisite or antisite complex. furthermore, the ltpl measurements have been taken on as - irradiated and postannealed p - type 6h - sjc, l ; lines related to dj - center were not observed with sample after postannealing at 1500 ?, the observation of a series of high intensity spectra which may mask the d1 - center due to the recombination of the d - a pairs

    本文還對經幅照的p -型6h - sic的幅照退火特性進行了研究，在經過1500後退火的樣品中沒有觀察到d _ i - center ，這可能是由於d _ i - center被實驗中觀察到的源於d - a對輻射復合的高強度的譜峰所掩蓋。
  4. With the increase of exposure time, the antioxidative ability of spirodela polyhiza dereased, sod and ap activities were induced, and asa content of treated plants were always lower than those of control plants, but the proline ( pro ) contents in treated plants increased. these factors would break the balance of the metabolism of ros and the active oxygen accumulation in leafy thallus of spirodela polyhiza could be the result, the membrane lipid peroxidation was accelerated ( mda content increased ), ultra - microstructure of chloroplast was damaged, photosynthetic capacity dereased, biomass ( dry weight ) reduced

    實驗研究結果如下： （ 1 ） uv - b輻射處理后前2天，紫萍超氧化物歧化酶（ sod ）和抗壞血酸過氧化物酶（ ap ）等抗氧化酶系統有不同程度的升高，隨著uv - b處理時間的延長，紫萍體內抗氧化保護系統能力下降， sod和ap的活性下降，並且非酶類抗氧化物質抗壞血酸（ asa ）含量一直低於對照組，而脯氨酸（ pro ）的含量則一直在升高。
  5. 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。
  6. In short, through retrieving the parameter such as surface albedo, surface temperature and surface emissivity, all the energy flux such as net radiance flux, soil heat flux and latent heat flux can be computed in sequence further, then latent heat flux which provide energy for et can be computed based on energy balance equation, finally instantaneous et and daily et can be obtained

    總之，根據地表能量平衡方程，通過計算對地表反照率、地表溫度、地表比輻射系數、歸一化植被指數等參數進行反演，進一步計算出了地表凈輻射通量，土壤熱通量和潛熱通量，最後獲得了遙感影像成像時的瞬時蒸散及當天的總蒸散量。
  7. 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。
  8. One is about of temperature - dependence of luminescence of eu3 + and tb3 + doped in oxide glass and nanocrystalline y2o3 ; the other is about of light - induced luminescent and structural change in nanocrystalline y2o3 : tb. the creative works are as follows : ( 1 ) euand tb doped nanocrystalline y2o3 with different sizes were prepared by combustion synthesis. dependences of particle size, crystallinity and fluorescence characteristic on ratio of gly / y ( no3 ) 3 and annealing temperature were studied

    本文以變溫與光輻照為實驗方法研究了eu與tb摻雜y _ 2o _ 3納米晶及氧化物玻璃中發光性質隨溫度的變化關系和光誘導y _ 2o _ 3 ： tb納米晶發光性質及結構的改變過程，得到如下創新性研究成果： （ 1 ）用燃燒法制備了稀土摻雜y _ 2o _ 3納米晶，研究了甘氨酸與硝酸釔的反應比例（ g n ） 、退火條件對稀土摻雜y _ 2o _ 3納米晶顆粒尺寸、結晶狀況及發光特性的影響。
  9. The intensity at the. irradiated site decreased linearly with the power density of the irradiation light. this means that the light - induced change is a one - photon process. irradiations at different wavelengths indicate that the spectral change is frequency - selective

    暗恢復過程的研究表明，光輻照后光譜的強度有恢復到輻照前強度的趨勢，擬合發現存在兩個恢復常數，一個為2 . 5小時，另外一個特別長。
  10. The measurement system is made up of optical system, comparison system, control system and cooling system in the course of the temperature measurement of high temperature blackbody, we use filter radiometer that is a new approach to measure radiation temperature. the approach was adopted by ptb, npl and vniiofo in 1997 when they made international comparisions of spectral irradiance

    在測量高溫黑體溫度的過程中，使用了新型的輻射測溫法，濾光輻射計測量方法，該方法在1997年光譜輻照度國際比對時被ptb 、 npl 、 vn ofo等國家所採用，並得到一致認可。
  11. Roughly acquire optical depth of clear sky and clouds from radiation station data and routine meteorological data of land surface, and the study the relationship between clouds " physical character and radiation. obtain the relationship between surface and near - ground atmosphere, and then according to this estimate surface albedo and surface net. by analyzing the relationship between satellite visible spectra, infrared spectra, and water vapor spectra values and radiation, by means of radiation transfer theory, analyze and deducethe relationship between clouds and radiation, and establish relationships between satellite value and global radiation and net

    通過衛星雲圖的計數值來判斷雲對輻射的作用，以此建立起它們之間的關系；利用地面觀測資料和常規資料來粗略求取晴空大氣和雲光學厚度，進而研究雲的物理屬性與輻射關系；簡單的獲取地表與近地面大氣之間的輻射關系，以此估算地表的反照率，和地表的凈輻射；分析了衛星可見光、紅外及水汽雲圖計數值和地面輻射之間關系，利用輻射傳輸公式來推倒和分析雲對輻射的關系，試圖建立起衛星測值與地表總輻射和凈輻射之間的關系，並將晴空和有雲的個例分開，分別建立並選出最佳模式，以此來估算地表的凈輻射和總輻射。
  12. The experimental results show that the large - size voids are created in tungsten irradiated to 20 dpa, the 10 - vacancy voids are observed in the commercial stainless steel irradiated to 22. 8 dpa, and the 5 - vacancy voids are detected in the home - made modified 316l stainless steel irradiated to 30 dpa

    測量結果表明，鎢經過20dpa的輻照后，產生較大尺度的空洞；普通不銹鋼經22 . 8dpa的輻照后，出現包含10空位的空位團；國產改進型316l不銹鋼經30dpa輻照劑量后，僅產生五空位構成的空位團。
  13. In this paper, some experiments about the algorithms and decline models above using test performance data of teflon type coat materials gained by the simulated radiation experiments are presented, and some comparative experiments are presented. compare the experimental results with the prediction result of international simple exp model and the actual experiment data among nine years in america. at the same time, do universal compares of experimental results with test data, which are obtained with various models and algorithms and different radiation time

    接著本文通過採用美國teflon型塗層材料較短輻照時間所得試驗數據進行參數估計和建模預測，並把實驗結果和國際通常採用的簡單指數模型的預測結果以及美國9年時間跨度的實際試驗數據進行了比較，同時還對同一種模型以及同一種演算法採用不同輻照時間段對應的試驗數據所得實驗結果進行了多項比較。
  14. Sixteen sup - processed from 110k to 300k were found. the range of trap energy is from 0. 19ev to 0. 34ev. the maximum of the initial density distribution of the carrier in the traps locates 0. 23ev, and the curve deviated from guass type

    本文採用一種tl曲線的自動分解技術，對硅橡膠輻照老化tl曲線進行了自動分峰，結果發現在110k ~ 300k的溫度范圍內有16個子過程，其陷阱活化能變化范圍為0 . 19 ~ 0 . 34ev ，被陷阱俘獲載流子初始濃度的分佈在0 . 23ev處具有極大值，且呈偏離高斯型的分佈。
  15. Direct solar irradiance, spectral transmission and atmospheric up well radiance under certain circumstance of atmosphere and radiation are also computed in virtue of software lowtran7

    利用lowtran7計算了給定大氣模式、輻射條件下的太陽直射輻照度、大氣光譜透過率、大氣上行路徑輻亮度。
  16. Three absolute radiometers compare with the solar irradiance absolute radiometer ( siar - 1 ) respectively on ground, and calculate the corrected coefficient of three absolute radiometers relativity to wrr respectively. seven calibrated factors are introduced, and the formula of every calibrated factor is showed, which according to the principle and the work in fact of stim. it can truly calculate corrected coefficient of every calibrated factor by formula

    在地面，通過把三臺絕對輻射計分別與同世界輻射基準wrr比對過的絕對輻射計siar - 1進行了比對，分別計算出了三臺絕對輻射計相對於世界輻射基準wrr的修正系數；在空間，結合太陽輻照度監測儀的工作原理及其實際工作情況，研究出了太陽輻照度監測儀星上測量七項校正因子的計算公式，通過這些公式能夠準確地計算出各項校正因子的修正系數。
  17. In this paper, firstly, three - dimensional geometrical models of the target and ir flares are established and by using the software vega missile attacking process is real - time simulated visually. secondly, the ir radiation characteristic of the target, background and the ir flares are analyzed, in which the wave radiation of the sun at different time, wind speed, the relative humidity and ir radiation attenuation characteristic of the atmosphere is under consideration. from above the ir image of the target, ir flare and the background are got and then are normalized to gray color image that will be showed in a child window in real time

    本文通過三維建模工具creator建立目標、背景和干擾的三維模型，再通過視景模擬軟體vega生成載機、導彈和目標飛機的可見光場景圖像，實時地對導彈攻擊工程進行可視化模擬；並分析了目標、背景和干擾的紅外輻射特性，計算出傳感器路徑上大氣衰減等等，將經過衰減的目標、背景和干擾的輻射強度量化為灰度圖，以子窗口形式實時顯示；進一步可以使目標和干擾按照各自的運動軌跡運動，便可產生動態的紅外熱圖像序列。
  18. Set up analysis models of solar and wind energy equipment in economy according to the local solar energy resource, then confirms the input of solar energy equipment and wind energy equipment through optimization calculation

    根據當地的資源狀況模擬一條太陽能輻照度曲線，並以此建立太陽能風能經濟性分析模型，通過最優化計算確定太陽能設備與風能設備的投入。
  19. The lifetime of particles co - doped with li + and na + increased as compared to that of un - doped one. however, the lifetime decreased as co - doped with other dopants. in addition, we also studied that ultraviolet ( uv ) light - induced spectral change in eu3 + - doped aluminosilicate glass and red to blue up - conversion emission of tm3 + -, yb3 + - doped y2o3 nanocrystals

    （ 2 ）在紫外光輻照下， eu ~ （ 3 + ）摻雜的氧化物玻璃電荷遷移帶強度降低，通過研究輻照與激光的功率密度、波長的關系，發現這種變化屬于單光子過程，並具有頻率選擇性。
  20. It is found that the ablated surface morphologies for both the ti samples of different roughness have a similar change trend from roughening to smoothing with increasing the shot number, where the surface roughening is relatively weaker at lower ion current density

    通過輻照不同原始粗糙度的純金屬ti發現，隨著輻照次數的增加，燒蝕表面形貌均發生表面粗糙化向光滑化的轉變。離子束流密度較低時，輻照表面的粗糙化程度較弱。
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