red shift 中文意思是什麼

red shift 解釋
【天文學】紅移,紅向移動。

  • red : adj (redder reddest)1 紅色的,赤色的。2 赤熱的,(面孔)因…而脹紅的 (with)。3 血腥的,血淋淋...
  • shift : vt 1 變動;改變;搬移;移動;轉移;變換;替換;更換。2 推卸;轉嫁。3 消除;撤除。4 【語言學】變換...
  1. Owing to the expansion of the universe, an observer today would expect to find these remnants to have undergone a red shift to long wave lengths.

    由於宇宙的膨脹,今天的觀察者可望找到這些向長波紅移了的殘余物。
  2. Relativistic red shift

    相對論性紅位移
  3. Red shift of pl spectra peak was observed, and pl lifetime would rise at the same time

    發現加入ingaas及alas緩沖層后使inas量子點發光峰強度增大,譜峰紅移,發光壽命增大。
  4. With the increasing of number of films, the pitch of each au nanoparticles turns larger ; the phenomena of red shift turn weak

    隨著間隔層的增加, au納米粒子之間的間距增大,紅移和展寬的現象變弱。
  5. Both the red shift of the plasmon absorption band and the sers effect result from the interparticle interactions of gold nanoparticles within the films

    吸收峰紅移及sers效應與薄膜中的金納米粒子間的電磁耦合作用有關。
  6. The absorption edges wavelengths and cutoff wavelengths of ceo2 - ti2 ;. complex films are red shift, if compared with pure ce02 films or pure tio2 films

    混合薄膜的吸收邊波長和截止波長大於純ceo _ 2 、 tio _ 2薄膜,並出現明顯的帶尾現象。
  7. The indirect optical gaps of ce02 - tioa complex films induce the absorption edges wavelengths red shift so that the films have excellent properties of ultraviolet absorbing

    由於混合薄膜間接躍遷的能隙較小,導致了吸收邊向紅外區遷移,使薄膜有很好的紫外線吸收功能。
  8. The experimental results showed that the characteristic pl peak of quantum wells was shifted to longer wavelength ( red shift ) and the intensity was decreased much after fel irradiation

    分析光致發光譜,發現量子阱特徵峰經過輻照后峰值發生紅移,波形展寬,峰高降低。
  9. The results of rrs demonstrated cds nanoparticles have no influence on the double and triple bonds. the photoluminous measurement showed that cds nanoparticles caused the luminous bands become weak and the red shift

    光致發光的測試表明硫化鎘納米粒子使聚雙炔及其甘露糖衍射衍生物混合單分子層的發光強度減弱,並使其發光峰紅移。
  10. Red shift of the plasmon absorption band was observed after gold particles were assembled into multilayer thin films, and the resulted gold films exhibited a strong surface enhanced raman scattering ( sers ) effect

    金納米粒子組裝成膜之後,其表面等離子體共振吸收峰發生紅移,薄膜具有明顯的表面增強拉曼散射( sers )效應。
  11. In the third chapter, the influence of current density, solution concentration, erosion time and aging in ambient air on the pl spectra of ps suggests that peak would blue shift with current density increasing, and with erosion time and aging time prolonging ; with the increasing of solution concentration, peaks would red shift when solution concentration less than 1 : 1 but blue shift when solution concentration greater than 1 : 1. above phenomena can be explained by quantum confinement and light center model, but do not deny the action of si - h bonding and defect on the surface in the process of photoluminescence. at present, radiation mechanism is still one of the primary problems in the study of ps

    在第z三章中;通過對比,分析了電流密度、陽極化時間、溶液濃度以及自i然氧化時間對多孔硅光致發光光譜的影響,認為在一定的范圍內,多i孔硅的發光峰位會隨電流密度的增大而藍移,要獲得較強的發光,需z要選擇合適的電流密度;隨著腐蝕時間的延長,多孔硅的發光峰位會i發生藍移;當f酸的濃度較小q : 1 )時,峰位隨濃度的增大表現為向i低能移動;而當f酸的濃度較大河山時,峰位隨濃度的增大則表現z為移向高能;多孔硅在空氣中自然氧化;其發光峰位發生藍移,而強i度隨放置時間的延長而降低。
  12. The preparation of gold nanoparticles and the study of their surface plasmon resonance we had preparated gold nanoparticles of different size through two - step approach, one - step approach and seeding growth approach. uv - vis image and tem image indicated that surface plasmon resonance absorbance had a red shift with the argument of the sizeof the gold nanoparticles. 2

    金納米粒子的制備及其表面等離子共振吸收特徵我們分別用兩步法、一步法和晶種法三種不同的方法制備了小、中、大三種不同粒徑的金納米顆粒,用紫外可見吸收光譜和透射電子顯微鏡進行表徵。
  13. The study indicates that self - assembly monolayer membrane of au nanoparticle distributes as sub - monolayer. after au nanoparticles are assembled in multilayer, surface plasma resonance absorption peak got a red shift because of the polarizing effect of the surrounding media and the coupling effect of surface plasma waves between the next au nanoparticles

    研究表明au納米粒子的自組裝單層薄膜呈亞單層分佈, au納米粒子組裝到多層復合薄膜中后,由於周圍介質的極化作用以及相鄰au納米粒子間的表面等離子體波的耦合作用,表面等離子共振吸收峰出現紅移和展寬。
  14. In the uv light region, the absorption dramatically increases that is caused by the absorption of the films substance, hi addition, as the heat treatment temperature increases the absorption threshold slightly occurs " red shift "

    在紫外區,薄膜的吸光度急劇增大,而且,隨著熱處理溫度的增加,吸收閾值發生輕微的「紅移」 。這種降低是由於薄膜物質的吸收所致。
  15. The absorption spectra indicate that the adsorption of dithiooxamide on the silver nanoparticles results in a red - shift in the spr band, mainly caused by the changes in the microenvironment of the metal nanoparticles and charge density alteration due to the charge transfer between the molecules and metal particles

    吸收光譜結果表明銀納米粒子表面吸附二硫代乙二酰胺分子可導致金屬粒子的表面等離子體共振吸收紅移,主要與金屬粒子的微環境改變以及吸附分子與金屬間電荷轉移而導致的金屬粒子內部電子密度改變有關。
  16. Compared with micro - sized y2o3 : eu and gd2o3 : eu phosphors prepared by a conventional method, nanosized y2o3 : eu and gd2o3 : eu synthesized by the present work, gives a clear blue shift in the emission spectrum, and a clear red shift in the excitation spectrum

    同時,發現了納米晶一些新奇的發光性質,即:發射光譜藍移現象,激發光譜紅移中電荷遷移帶( ctb )明顯紅移,猝滅濃度提高等。
  17. The band was previously associated with f - type color centers and v - type color centers, as analyzed in x - ray irradiated ysz sample. however, the absorption band observed in our experiments has a shift towards the longer wavelength ( red shift ) as comparing with that in the x - ray or neutron irradiated ysz spectra. this shift may mainly due to large local distortions near the f - type centers and the v - type centers and the presence of multiple color centers

    本文通過光吸收、光熒光、 tem 、 xps測試及trim96計算分別研究了不同注量xe ~ +注入ysz前後光學性能和缺陷形態變化,以及ni ~ +注入對不同摻雜單晶al _ 2o _ 3結構和光學性能的影響,得到以下結果: ( 1 ) ysz注量達到10 ~ ( 16 ) cm ~ ( - 2 )時,開始出現由f型和v型色心重疊而產生的吸收帶,與x射線、中子輻照相比,重離子輻照產生了更為復雜的缺陷復合體而導致吸收峰紅移。
  18. Titanium oxide modified by plasma and red - shift of its response spectrum

    2及其響應光譜紅移
  19. It was not until 1929 did astronomer edwin p. hubble discovered the red shift of distant galaxies and thereby proved that the universe is expanding in all directions. when einstein heard and fully appreciated these observations, he declared that the inclusion of the cosmological constant was his " biggest blunder "

    直至一九二九年,天文學家哈勃通過觀測遙遠星系的紅移情況,證明宇宙正向四方八面不斷地膨脹,這時愛因斯坦才猛然自醒,甚至認為當初所提出的恆穩宇宙的結論是他一生中所犯下最愚笨的錯誤。
  20. 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。
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