高輻照度 的英文怎麼說
中文拼音 [gāofúzhàodù]
高輻照度
英文
high irradiance-
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。So it is very important to found a higher accuracy standard of spectral irradiance and spectral radiance. the article begins with the conclusion of measurement approaches on spectral irradiance, spectral radiance, colour temperature and blackbody temperature and introduces measurement approach, theory, system and signal measurement technique systematically
本文從總結現有高溫黑體溫度的測量方法、光譜輻照度的測量方法及光源色溫的測量方法出發,系統地介紹了高溫黑體溫度、光譜輻照度、輻亮度及光源色溫的測量方法,測試原理,測試系統以及相應的信號檢測技術。In addition, referring to the irradiance snr, several measures used to improve the system effect range are proposed
最後,從輻照度信噪比這一因素出發,提出了幾個提高系統作用距離的措施。The results showed that high concentration of 2, 4 - d was required for callus induction from mature seeds of tall fescue, and combination of 8mg / l 2, 4 - d with 2mg / l aba gave best induction effects. by slicing sterilized seeds longitudinally or cutting embryos, callus induction frequency was profoundly increased over intact seeds from one and half to eight times. adoption of ms basal medium and supplementation of 0. 5g / l casamino acids and 0. 5g / l glutamine in medium were found to help to facilitate callus induction
研究表明,高羊茅成熟種子愈傷組織誘導需要較高濃度的2 , 4 - d ,以8mg l2 , 4 - d與2mg laba配合能獲得最佳的誘導效果;種子滅菌后縱切或切胚,可使出愈率成倍提高;採用ms基本培養基和在培養基中添加0 . 5g l的水解酪蛋白與谷氨酰胺也有助於提高出愈率;低劑量( 10gy )射線輻照處理對成熟種子愈傷組織尤其是胚性愈傷組織形成有一定的刺激效應。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。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。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。The presence of microwave or ultrasonic wave, the inter - and intra - molecular complexation of cellulose molecules through hydrogen bonding is weakened, and the complexed polymer of cellulose and nylon formed in situ. the yield strength and young ' s modulus of the ramie / nylon / lldpe composites are increased from 9. 68 mpa, 260 mpa to 15. 7 mpa and 722 mpa respectively
經微波輻照或超聲波處理后,苎麻纖維素氫鍵被削弱,與尼龍形成氫鍵復合物,增強了苎麻尼龍電子束輻照lldpe復合材料體系的相容性,屈服強度、楊氏模量從9 . 68mpa 、 260mpa提高到15 . 7mpa 、 722mpa 。It can educe the max of temperature raise from the curve. furthermore the numerical value is small than the max of temperature raise absolute radiometers measure the solar irradiance with sun - tracking
從此曲線圖中,可以得出絕對輻射計的溫度升高所達到的最大值,而該值要比絕對輻射計用跟蹤太陽的測量方法測量太陽輻照度時,其溫度升高所達到的最大值略小。In the hipib strengthening experiments, samples of high - speed steel ( w6mo5cr4v2 ) were irradiated by abstract hipib ( cn + = 30 %, h + = 70 %, ion energy 250 kev, ion current density 60 - 180a / cm2, pulse duration 80 - 100 ns ). microstructure investigation and properties characterization of the treated hss samples were carried out to investigate the effect of current density and pulse number of incident hipib on the surface modification treatment. the physical mechanism of the hipib - solid interaction was established based on the experiments
在hipib轟擊材料表面方面,本文選擇成分由c ~ ( n + ) ( 30 )和h ~ + ( 70 )組成、加速電壓為250kv 、脈沖寬度為80 100ns的hipib對高速鋼( w6mo5cr4v2 )進行表面輻照處理,研究離子束流密度和脈沖次數對高速鋼微觀結構和宏觀性能的影響,探討了hipib與材料表面相互作用的物理機制。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。By means of electron beam irradiation, some oxygen containing groupe are introduced on the molecular chain of lldpe, the interface compatibility of the composite is improved. the yield strength and young ' s modulus of ramie / lldpe are increased from 9. 78 mpa, 432 mpa to 13. 1 mpa and 633 mpa respectively
經電子束輻照后, lldpe分子鏈中引入含氧基團,苎麻電子束輻照lldpe復合材料的界面相容性提高,復合材料的屈服強度、楊氏模量從9 . 78mpa 、 432mpa提高到13 . 1mpa 、 633mpa 。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。( 3 ) through the study of electrical property of irradiated rutile by high - dose neutron, the curse of relationship of conductivity and temperature has been abtained. according to this relationship, the conducting behavior in diflrent temperature is also studied
本論文工作還對高注t中子輻照后金紅石晶體的電學特性進行了研究,得到了它在空氣和真空中的電阻與溫度的關系,分析了各個溫區的導電機制。Basic function : heat source is anti - blast infrared - tube made of microcrystal quartz ;, continuosly variable mattress tilt, radiant head can two - directory rotate on horizon, x - ray cassette shelf under infant bed ; high - bright erdiate lamp detect lightness ; advanced microprocessor control temperature system, auto - heated mode, separately display set temperature and real temperature ; 4sound - light alarm capacity : set - off, fan, sensor, over temp.
基本配置:採用了防爆型微晶石英紅外管作輻射熱源,嬰兒床斜傾角度有級可調,輻射頭可在水平位置上雙向隨意轉動,嬰兒床下內設有x光暗盒架,檢查照明採用高照度射燈,溫度控制系統採用先進的計算機控制,自動加熱方式,設定溫度和實際溫度分屏顯示,有四種聲光報警功能(溫度上下偏差、傳感器、斷電、超溫) 。Basic function : heat source is anti - blast infrared - tube made of microcrystal quartz ; continuously variable mattress tilt, radiant head can two - directory rotate on horizon, x - ray cassette shelf under infant bed ; high - bright eradiate lamp detect lightness ; advanced microprocessor control temperature system, autoheated mode, separately display set temperature and real temperature ; 4 sound - light alarm capacity ; set - off, sensor, over temp
基本配置:採用了防爆型微晶石英紅外管作輻射熱源,嬰兒床傾斜度有級可調,輻射頭可在水平位置上雙向隨意轉動,嬰兒床下內設有x光暗盒架,檢查照明採用高照度射燈,溫度控制系統採用先進的計算機控制,自動加熱方式,設定溫度和實際溫度分屏顯示,有四種聲光報警功能(溫度上下偏差、傳感器、斷電、超溫) 。Thus the cumulative consequence of galactic chemical evolution starting from low metallicity agb stars, namely, the average abundance patterns of sbh part with 140a204 ( or the snl component part with 92a132 ) in different metal conditions, should be similar ( ornearly similar ) to the corresponding solar s - bajn component
低金屬豐度條件下,由於中子輻照量隨金屬豐度的降低而升高, s _ ( ml )產量低於s _ ( mh ) 。雖然s _ ( ml )分佈與太陽系有差異,但對于質量范圍92 a 132 ,任何金屬豐度下分佈與太陽系大體相似。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。The investigation on the powerful laser induced micro - plasma by the radiation focused on a solid surface plays an important role in super - conduct films, nanometer materials, laser isotope separations, medicine, biology, and other industrial applications
對高功率密度激光輻照固體表面形成激光微等離子體的研究,在研製超導薄膜,納米材料,同位素分離,醫學,生物學,以及其他工業應用方面有重要的理論指導意義和廣泛的應用前景。分享友人