高能粒子發光 的英文怎麼說
中文拼音 [gāonénglìzifāguāng]
高能粒子發光
英文
high energy particle luminescence- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 能 : 能名詞(姓氏) a surname
- 粒 : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 發 : 名詞(頭發) hair
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 高能 : high energy高能等離子體 energetic plasma; 高能點火 [航空] high energy ignition; 高能電池(組) hi...
- 粒子 : grain; granule
- 發光 : 1 (發出光來) give out light; shine; be luminous; brighten; fulgurate; flash; glow; sparkle; gli...
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The reason is that charged particles and high - energy photons interact with the rocky shielding material, producing showers of secondary radiation within the meteorite
原因在於帶電粒子與高能光子會與巖石遮蔽物質交互作用,在隕石內部引發二次輻射的簇射。Indium stannum oxide ( ito ) as semiconductor have caused a great deal of interest due to their prominent electro - optical behavior. ito has high prominent transmittance, high infrared reflectance, good electrical conductivity, ito applied as gas sensors, photovoltaic devices, heat reflecting mirrors, solar cells, flat panel displays, liquid crystal displays, electroluminescent, devices and organic light - emitting diodes ( oled ) etc. although preparations and applications of ito films have been studied deeply. nano - ito composites hardly studied
氧化銦錫( ito )是一種高簡並的n型半導體,由於具有導電性,可見光高透過率,紅外反射性,穩定的化學性,被廣泛應用於熱反射建築玻璃、抗靜電塗層,太陽能電池,熱發射鏡,平板顯示器和液晶顯示屏,傳感器,有機光致二級管( oled )等方面,國內外對高質量的ito薄膜的制備和應用進行了深入的研究,但是很少有ito納米粒子與高分子材料復合的報道。A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid
利用六偏磷酸鈉作為穩定劑,通過控制反應物的濃度及比例,制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒,光譜測試結果表明,顆粒具有明顯的量子尺寸效應,適當過量的cd ~ ( 2 + )離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能;採用檸檬酸鈉還原氯金酸,制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒;採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。The mechanical modifying equipment was used to prepare compounded micro - spheres from pmma particles and ps particles with metal particles and tio2 nano - particles. the sem was used to observe the images of particles and x - ray photoelectron spectroscopy ( xps ) is used to obtain surface spectrum. herein the tio2 nano - particles can be dispersed on larger polymer particles and their surface morphology is different by using different polymer particles
使用掃描電鏡和光電子能譜對制得的復合微粒子進行表徵,發現該方法可以使納米tio _ 2粒子呈很好的分散狀態復合在聚合物微球及金屬粒子上,而且隨著聚合物微球原料的不同,納米tio _ 2粒子能在高聚物的表面的復合狀態也不同。Angular distribution and energy spectrum of the high - energy particles produced during the interaction of ultra - short ultra - intense ( us - ui ) laser pulse with plasma are studied in this paper
本論文研究了超短超強( us - ui )激光與等離子體相互作用中高能粒子發射的角分佈和能譜。( iii ) dust charging and levitation in cathode sheath of glow discharges with energetic electron beam. the dust charging and levitation in a collisionless cathode sheath of dc glow discharges with energetic electron beams released from a plane cathode are investigated with a self - consistent theoretic model
( )塵埃粒子在極板有高能電子束發射輝光放電鞘層中的充電與懸浮採用自洽的鞘層模型和塵埃粒子充電模型,我們研究了在極板有高能電子束發射輝光放電鞘層中塵埃粒子的充電與懸浮。The size of the zno nanocrystal grain was so little that the quantum confinement effect should be considered. that makes the band gap wide. atom transfer rate is affected by the substrate temperature, and the average size of the zno nano crystal grain increases with the increasing substrate temperature resulting in the red shift of pl emission position and the narrowness of pl fwhm
低溫生長的氧化鋅晶粒小,考慮到量子限制效應,禁帶寬較大;襯底溫度影響吸附原子遷移能力,隨著溫度升高,晶粒的尺寸增大,分佈變的均勻,因而發光峰位隨著襯底溫度的升高而紅移,發光的半高寬變小。Prepared technical parameters were optimized by l9 ( 34 ) experiment analysis. a unique method for cleaning and drying of substrate - cleaning used by scour, drying used by infrared light was fished out by large numbers of experiment. chemical mechnism of zno thin film prepared by sol - gel technique was discussed by dta for the first time. by the measurements of sem, xrd and uvs, the thin film was analysed. the result proved that the thin film with strongly preferred orientation of c - axis perpendicular to the substrate surface which surface was homogenous, dense and crackfree was the crystalline phase of hexagonal wurtzite. the thin film was composed of plentiful asteroidal crystal which crystal dimension approximately 10 30nm. the average transmittance of thin film in visible region was above 90 %. the results of measurements else also proved that the thickness of single dip - coating was 75 240nm, this films resistivity was found to be 3. 105 102 3. 96 105 ? cm. the thickness and resistivity of thin film influenced by dope - content, withdrawal speed, pre - heat - treatment, anealing were reseached respectively
利用xrd 、 sem以及uvs光譜儀等分析方法對薄膜進行了研究,結果顯示,所制備的薄膜為六方纖鋅礦型結構,具有高c軸擇優取向性;表面均勻、緻密,薄膜材料由許多星狀晶粒組成,晶粒尺寸大約為10 - 30nm左右;薄膜可見光透過率平均可達90 % ;對薄膜厚度以及電學性能進行了測定后發現:單次鍍膜厚度約為75 - 240nm , al ~ ( 3 + )離子摻雜型氧化鋅薄膜的電阻率在3 . 015 102 - 3 . 96 103 ? cm范圍內;分別研究了摻雜濃度、提拉速度、預燒溫度、退火溫度等工藝參數對薄膜厚度和電阻率的影響。As the laser intensity is about ~ 1018w / cm2, we obtained some new results from the interaction of the us - ui laser pulse with plasma that have not been reported before in china. these results are helpful to understand the physical mechanisms of the laser - plasma interaction, and are very important for the research of fast ignition ( fi ) for inertia
國內我們首次在激光功率密度約10 ~ ( 18 ) wcm ~ ( - 2 )的條件下,研究了超短超強激光與等離子體相互作用產生的高能粒子發射,獲得一些國內外未見報道的新的物理結果。We researched the influences of systhesis temperature, heat preservation time, eu + concentration, reduction surrounding feeling and flux on luminescent properties of sral2o4 : eu2 + phosphors, optimized the experiment conditions and reduced systhesis temperature about 100 c. we found that the systhesized sample ' s luminescent brightness is better with increasing systhesis temperature, but the phase component is more complex. we found that the luminescence brightness of sample appear a increasing process at first, and then a reducing one with the raise of eu2 + concentration, it indicated that the luminescence brightness is not better if the eu2 + concentration is too high or low. we found that the systhesized sample can not bright at too long heat preservation time, and the luminescence brightness is lower at too short heat preservation time. we found that particle diameter is bigger, the wavelength of emission peak is longer
研究發現合成溫度高,合成樣品的發光效果好,但物相組成也較復雜; eu ~ ( 2 + )離子在一定摻雜濃度范圍內,合成樣品的發光亮度先是出現一個提高過程,然後是一個降低過程,說明eu ~ ( 2 + )離子濃度高或低都不利於合成樣品發光;保溫時間較長,合成樣品不發光,保溫時間較短,合成樣品發光效果不好,只有合適的保溫時間才能合成發光效果好的樣品;合成樣品的粒徑大小與發射峰的位置具有一定的關系,粒徑越大,發射峰越偏向長波方向;助熔劑對樣品的合成溫度和發光性能都有影響,助熔劑的量較低時,主要表現為助熔作用,對發光影響不大,助熔劑的量較高時,使得樣品發光亮度降低和余輝時間縮短;還原方式的不同,合成樣品的發光性能也不一樣。The chelation ability made ac - hac act as a protection layer on the surface of cds nanoparticles, which reduced surface states and improved the band edge emission. 3
這是因為聚丙烯酸?丙烯酸羥丙酯在一定程度上能夠修飾cds納米粒子表面,減少表面缺陷,提高納米粒子的帶隙發光。Nano - composites of polymers not only can behave small size effect, surface effect and quantum - dimension effect with nanoparticles, but also possess advantages of polymer, which take on abnormal properties in mechanics properties, physical functions ( optics electricity magnetism etc ). so, nano - composites of polymer have widely applications
高分子納米復合材料既能發揮納米粒子自身的小尺寸效應、表面效應和量子效應,而且兼有高分子材料本身的優點,使得它們在力學、物理功能(光、電、磁、 )等方面呈現出常規材料不具備的特性,故而有廣闊的應用前景。分享友人