輻照時間 的英文怎麼說
中文拼音 [fúzhàoshíjiān]
輻照時間
英文
irradiation time- 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 ...
- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
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In this study, lexa mutant of deinococcus radiodurans xe has been successfully constructed. the survival curve of this strain was measured using colony formation assay after treatment with different doses of radiation and different times of mmc
本研究利用已構建的抗輻射菌lexa基因突變體菌株xe ,經受不同劑量射線照射和不同時間的mmc作用,平板菌落計數,繪制存活曲線。Increasing ultrasound intensity in the range of cavitation threshold and cavitation peak value, decreasing monomer concentration and increasing the temperature make the induction period shorter. under optimized reaction conditions, the conversion of ba can reach 90 % in 11 min at high n2 flow rate the viscosity average molecular weight of the obtained pba reaches 5. 24 106. the molecular weight of pba varies with ultrasonic irradiation time, indicating that the ultrasonic induced emulsion polymerization is dynamic and quite complicated, polymerization of monomer as well as degradation of polymer occurs concomitantly
一、實現了無常規化學引發劑存在下的超聲輻照引發丙烯酸正丁酯( ba )間歇乳液聚合,制備了pba納米粒子,在11min內轉化率達到90 ,分子量達5 . 24 10 ~ 6 ,隨反應時間的延長而降低,表明超聲輻照引發乳液聚合是一個動態的復雜過程,單體的聚合和聚合物的降解同時發生。Abstract : selecting the wave band, irradiation illumination and irradiation time, studies on the effects of infrared irradiation on immunity of musmus - culus are carried out
文摘:研究了不同波段、不同輻照度、不同輻射時間的紅外輻射對小白鼠免疫功能的影響。The maximum of electron dwell time in the irradiated area is relation to the transmission ; 4
電子在輻照區逗留時間的與透射率有對應關系; 4Mapping of spatially explicit distribution of solar radiation. using the digital elevation model ( dem ) data as input, the distribution of extraterrestrial radiation and possible sunshine duration from january to december were mapped both for chongqing ( resolution of 100m x100m ). integrated with kt and kb, the distributions of direct and diffuse radiation were also mapped for long - term mean
太陽輻射空間分佈研究利用dem數據,完成了重慶市100m 100m各月天文輻射和可照時間的空間制圖;結合晴空指數、直接透射率的模擬結果,分別完成了氣候平均狀況下重慶市100m 100m的起伏地形下各月太陽直接輻射、散射輻射空間制圖。Based on the geometry between sunshine ray and real terrains, the distributed models were developed to simulate the extraterrestrial radiation and possible sunshine duration over rugged terrains respectively. according to the principles of direct and diffuse radiation on tilted surfaces, the distributed models to estimate the direct and diffuse radiation over rugged terrains were developed also. the proposed models were proved to be able to treat volumes of data and are applicable to satellite image processing platforms or geographic information system ( gis )
起伏地形下太陽輻射分散式模型研究根據太陽光線與實際地形之間的幾何關系,建立了起伏地形下天文輻射、可照時間的分散式估算模式;依據坡地直接輻射和散射輻射機理,分別建立了起伏地形下直接輻射、散射輻射的分散式估算模式;建立的分散式模式計算結果可靠,可進行大數據量處理,適用於遙感圖像處理、地理信息系統等數據處理平臺。The sunshine duration is long, the temperature difference is big, the frost - free period is long, and the annual solar radiation amount is much, which is good for the growth of crops
日照時間長,晝夜溫差大,無霜期長,年太陽能輻射量大,對農作物生長十分有利。In the paper, based on the analysis of data from radiation stations and the data of corresponding sunshine stations, the normal probability distribution feature of monthly solar radiation is figured
本文採用我國70個建站時間在30年以上的日射站資料以及對應的日照資料,首先討論了單站總輻射與日照相關系數的時空變化特徵。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。Shortening the time of exposure, increasing distance from a radiation source and shielding are the basic countermeasures or protective measures to reduce doses from external exposure
縮短時間增加距離及設置屏蔽是減少外來輻射照射的基本輻射防護措施。Shortening the time of exposure, increasing distance from a radiation source and shielding are the basic countermeasures ( or protective measures ) to reduce doses from external exposure
縮短時間、增加距離及設置屏蔽是減少外來輻射照射的基本輻射防護措施。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。The parameter should be united into the ratio of the radiance flux and the temperature difference between the liquid ( water or air ) and the surrounding under the definite imitative temperature, test time and reasonable radiance flux range, surrounding temperature range
兩者用統一的指標和測試條件來計算,規定初始溫度和測試時間,規定一定范圍的太陽輻照度和環境溫度,用溫度升高值除以輻照強度得到評價值。Electronic irradiation, is widely use in manufacture of semiconductor products. in order to reduce reverse recovery time, we determined to adopt it
電子輻照技術,廣泛應用於半導體器件的製造中,本課題用來進一步降低反向恢復時間。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。Dlc and a - sic : h films were prepared by the rf glow discharge and the reactive sputtering method respectively. there were two reasons that we chose y rays, ultraviolet ( uv ) photons, and neutrons as radiation sources. one is that y rays, uv photons and neutrons irradiation are serious at outer space and / or nucleus irradiation enviromentthe other is that the study on y rays irradiation on the films is a new and an important directioaotherwisejirnited reports have been made of the investigation on the uv photonsjieutrons irradiation influences on these films
本文分別採用射頻( 13 . 56mhz )等離子體cvd及射頻反應濺射方法制得了dlc及a - sic : h薄膜。文中主要選擇y射線、紫外光及中子作為輻照源有兩方面的原因:一方面,在外層空間, y射線及紫外光輻射十分嚴重,而在核輻射環境下y射線及中子輻射也不可忽視;另一方面, y射線輻照這兩種薄膜完全是一項開創性的工作,同時國內外對紫外光子、中子與這兩種薄膜作用的研究也很少。This information, together with surface observations of sunshine duration, global solar radiation, soil and grass minimum temperatures, evaporation and potential evapotranspiration, are essential for many fields of studies including climatology, hydrology, agriculture and civil engineering design
此等資料與及其他地面觀測,例如日照時間太陽總輻射土壤溫度最低草溫蒸發量及可能蒸散量等,對于很多研究領域,包括氣候學水文學農業及土木工程設計等,都是不可缺少的。Life time of mn2 + in nano - zns was measured and was found to be close to that of the bulk materials. therefore the quenching centers quench the exciton but not the mn2 + ion self. 2. the increasing curves are different in film and ethanol colloids because there is diffusion process of quenching centers in colloids
對薄膜樣品的熒光增強曲線的擬合表明,顆粒表面猝滅中心數目隨輻照時間的衰減函數是非e指數形式;同時考慮溶液中猝滅中心通過向顆粒表面的擴散而逐漸耗盡,很好地解釋了溶膠的增強曲線與固體薄膜的增強曲線的不同。The irradiation time, the wavelength and intensity of visible irradiation light and many other factors have a great influence on the geometrical characteristics of flake silver powders
可見光的輻照時間以及波長和強度等對所得片狀銀粉的幾何特徵影響較大。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。分享友人