輻照反應 的英文怎麼說
中文拼音 [fúzhàofǎnyīng]
輻照反應
英文
radiation reaction-
The samples are normally irradiated in the "moderate" part of a nuclear reactor.
樣品通常要放在反應堆的「減速」區中進行輻照。Abstract : the esterification of phthalic acid and ethylene glycol under microwave field was studied. the results showed that it could get high yield of product and need less fime to complete the reaction
文摘:觀測了鄰苯二甲酸及乙二醇在微波輻照下的升溫曲線,並研究了鄰苯二甲酸和乙二醇在微波輻照下的酯化反應,結果表明,微波輻照下的酯化反應行為優于常規條件(電爐加熱)下的酯化反應行為。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。The degradation of the electrical characteristics in sic pn junctions irradiated by neutron is attributed to the recombination centers and the electric field effect on the thermal emission of traps within the depletion region. the relationship of the ideality factor to the applied voltage is theoretically studied
提出了中子輻照下sicpn結電特性退化的新的理論, pn結耗盡區中的輻照陷階在耗盡區電場的作用下熱發射效應得到加強,從而導致pn結正偏和反偏時的復合電流和產生電流的改變。The maize and neorgelia cawlinae meyendor ffii were treated with uv - b radiation with the intensities of 0uw. cm - 2 ( ck ), 10uw. cm - 2 ( r1 ) and 15uw. cm - 2 ( r2 ), the duration of uv - b treatment were ten hours per day ( from am8 : 00 to pm18 : 00 ). the effect of uv - b radiation on the photosynthesis was studied, and the results showed as follows : ( l ) the effects of uv - b radiation on photosynthesis of maize and neorgelia cawlinae meyendor ffii the results of the experiment show that the photosynthesis of maize seedlings was restrained because of the decrease of chlorophyll contents activity of hill reaction stamotal conductance activity of pepcase and atp content caused by increased uv - b radiation, and it was more restrained under higher uv - b radiation. though the activities of rubpcase and pepcase were decreased, the chlorophyll contents activity of hill reaction stamotal conductance of mature maize were not affected, therefore the photosynthesis of grown - up plant was not affected
Cm ~ ( - 2 ) ( r2組)的uv - b輻射,每天處理10小時( 8 : 00 ? 18 : 00 ) ,直至玉米成熟,以自然光照為對照( ck組) ,對增強uv - b輻射條件下玉米和紅彩鳳梨光合作用的響應作了深入的研究和探討,結果如下: ( 1 ) uv - b輻射對玉米和紅彩鳳梨光合作用的影響研究結果表明,因增強uv - b輻射降低了玉米幼苗葉片的葉綠素含量、 hill反應活力、氣孔導度、 pepcase活性和atp含量,從而影響了玉米幼苗的光合作用,使其光合速率下降,且隨uv - b輻射強度的增加其影響程度加大;而玉米成株在增強uv - b輻射環境下其葉綠素含量、 hill反應活力、氣孔導度等未受影響,雖然其rubpcase活性和pepcase活性有所下降,但總體上其光合作用受到的影響不大。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。Our results supplied another evidence that blue - light - induced anthocyanin accumulation was a high irradiance response ( hir ) in plant photomorphogenesis
藍光對擬南芥葉片花色素苷積累的誘導是高輻照反應。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。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。In this paper, the vacuum thermo - cycling effects and vacuum ultraviolet effects on space inflatable structural materials were analyzed based on a thorough survey over the studies done through flight tests, ground simulation experiments and theoretical research. the main contents of this thesis are as follows : the performance damage effects of thermo - cycling on space inflatable structural fabric carbon fiber reinforced epoxy laminates ( cf / ep ), aluminized kapton ( al / kapton ) films which used as reflector of space inflatable antenna were investigated by a temperature range of - 120 120 with the vacuum degree 10 - 5 pa which conducted with space environment ground - based simulation facility
本文在對國內外飛行試驗、地面模擬試驗以及理論研究等所取得的成果調研的基礎上,針對空間充氣結構材料進行地面模擬真空熱循環與真空紫外輻照的研究工作:利用真空熱循環地面模擬試驗機研究了真空環境( 10 - 5pa )中- 120 120的熱循環條件下空間充氣支撐結構織物碳纖維增強環氧樹脂( cf / ep )層合材料、空間充氣展開天線反射面鍍鋁聚酰亞胺( al / kapton )薄膜的空間環境效應。The esterification reactions of rosin with ethanol, ethane glycol and glycol under the irradiation of microwave and ultrasound have been investigated in the present paper
摘要該文對在微波和超聲波輻照下的松香與醇的酯化反應進行研究。Standard practice for determining neutronexposures for nuclear reactor vessel support structures
核反應堆容器支承結構的中子輻照量測定標準實施規程The conclusion is that under the neutron and 7 - ray synthetical irradiation environment of a reactor, ionization effects of neutron on the vlsi made with cmos technology are weak, and that the displacement effects of neutron induces the decreases of mobility ratio and density of charge carrier, which causes the decrease of the total static current, so it compensates the increase of the static current caused by the synthetical ionization effects of neutron and - ray
對試驗結果綜合分析得出:在反應堆的綜合輻照環境下,中子電離效應較弱,並且由於中子位移效應引起載流子遷移率降低和載流子濃度降低,使得總的靜態電流下降,從而抵消中子和射線綜合電離導致的靜態電流增長。This topic focused on the radiation effect on the uhmwpe fiber with electron beam ( eb ) radiation. and instron, sem, atr - ir, xps, epr, xrd et al were used to characterize the structure and properties of uhmwpe fiber before and after radiation treatmentand on this condition we probed into the grafting modification with eb radiation technology
本課題研究uhmwpe纖維的電子束輻照效應,運用電子強力機、掃描電鏡( sem ) 、全反射紅外( atr ? ir )光譜、 x射線光電子能譜( xps ) 、電子順磁共振儀( epr ) 、 x射線衍射儀( xrd ) 、接觸角和交聯度測定等方法對uhmwpe纖維在電子束輻照作用下的主要結構與性能變化規律進行了表徵和分析,在此基礎上對運用電子束輻照技術進行uhmwpe纖維的表面接枝改性進行了探討。A model of the sic pn junctions irradiated by neutron is presented. the effects of radiation induced oxide trapped charge and sic / si02 interface state density on inversion layer mobility is studied systematically
在輻照的電離效應方面,研究了輻照在sicmos氧化層中引入的陷阱電荷對mos溝道反型層遷移率的影響。Results in the situation of the experiment, stimulation effect have n ' t been found in immunoglobulin and albumin ; stimulation effect of low dose radiation to sod was survey in the dose of 12. 5 cgy ; we also found that there is several dose point from 7. 5 to 30 cgy have stimulation effect to il - 6, meantime and radiation of 7. 5 cgy have adaptive response to il - 6 ; il - 6 increased drastically in the group of 300 cgy of radiation
結果實驗設定條件下,對白蛋白、球蛋白尚未看到低劑量輻射的刺激作用。低劑量輻射對sod的刺激作用發生在12 . 5cgy 。發現在7 . 5到30cgy間,低劑量輻射對il ? 6的刺激作用,存在多個劑量點; 7 . 5cgy能誘導il - 6的適應性反應,受照劑量300cgy時, il ? 6明顯升高,且幅度很大。Conclusion low dose radiation have stimulation effect to il - 6 and sod and radiation of 7. 5 cgy can result in the adaptive response of il - 6, whereas this phenomenon has not been survey in immunoglobulin and albumin. the fact that different dose have stimulation effect to il - 6 indicated that the range of stimulation dose to il - 6 is wide
結論低劑量輻射對sod 、 il ? 6有刺激作用,且7 . 5cgy的低劑量照射能誘導il - 6的適應性反應。白蛋白、球蛋白則無類似響應。 7 . 5到30cgy間存在多個誘導刺激作用的劑量點,提示導致il - 6刺激作用的劑量范圍可能較寬。The ultrasonic was adopted firstly, abp was synthesized by using p - nitroacetophenone as raw material. compared with stirring means, the reaction time was shortened from 44h to 32h and the yield of the target product increased from 39. 5 % to 69. 6 %
首次將超聲輻照引入合成abp反應中,總的反應時間由原來的44h縮短到現在的32h ,目標產物總收率由39 . 5 %提高到69 . 6 % 。The ionization irradiation effects were researched on very large scale integrated circuits ( vlsi ) made with cmos technique under the neutron and - ray synthetical irradiation environment of a reactor
摘要研究了反應堆中子和射線綜合輻照環境下cmos工藝大規模集成電路的電離輻照效應。分享友人