余輝長度 的英文怎麼說

中文拼音 [yúhuīzhǎngdù]
余輝長度 英文
persistence length
  • 余 : Ⅰ動詞（剩下） remain; leave: 9減4 余 5。 nine minus four is five ; four from nine leaves five ; i...
  • 輝 : Ⅰ名詞（閃耀的光彩） brightness; splendour; brilliance Ⅱ動詞（照耀） shine
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 余輝 : afterglow; persistence
  • 長度 : length; longitude; size; extent; footage
  1. This type of long persistent phosphor has the advantages of innocuity, no radioactivity, high luminescence, long duration and no need of electricity, so it can be regarded as high efficiency solid display material

    它無毒、無放射性、亮度高、余輝時間長、不消耗電能，是一種高效節能的固體發光顯示材料。
  2. The influence of y2o2s : eu phosphors fluorescent spectra, chroma and luminescing efficiency is studied with the changing of concentration of eu34 " ion, and the suited concentration of eu3 + ion is acquired, all these provided support for the research on the yzc ^ s : eu, mg, ti long - persistent phosphors structure and luminescence performance

    研究了不同eu含量對y _ 2o _ 2s ： eu熒光體光譜性能、發光效率和色度的影響，給出了最適宜的摻eu濃度，為進一步研究探討y2o2s ： eu ， mg ， ti長余輝磷光體的基質組成和發光性能提供依據。
  3. The study indicate that sral2o4 : tb3 + phosphor can be composed from 1250c to 1550c, the phosphor ' s luminance reduce and the afterglow time shorten along with the compounding temperature ; the better luminance and afterglow with the better crystalloid degree ; the luminescence of tb3 + ion in the sral2o4 is coming from the transition of 5d4 - 7fj ( j = 6, 5, . . . 0 ) ; the afterglow is because of the electron that seized in the trap released which integrate with the luminescence center

    合成發光體亮度隨合成溫度的降低而逐漸降低，余輝時間逐漸縮短；當合成物具有較好的結晶度時，合成的發光粉不僅發光亮度高而且余輝時間長； tb ~ （ 3 + ）離子在sral _ 2o _ 4基質晶格中的發光主要來自於~ 5d _ 4 ~ 7f _ j （ j = 6 ， 5 ， … … 0 ）的躍遷；其餘輝是因為不斷有被陷阱所俘獲的電子釋放出來與發光中心復合。
  4. The influence of y _ 2o _ 2s : eu phosphors fluorescent spectra, chroma and luminescence intensity is systematically studied when different concentration of europium is adulterated into different phosphors by means of xrd, fluorescent spectra analysis, time - basing spectra analysis, long - persistent fluorescent spectra analysis and so on ; the influence on y2c > 2s : eu phosphors structure, luminescence intensity and long - persistent curve is investigated when different concentration of mg24 " > ti4 " 1 " is adulterated into different phosphors, finding the most suited concentration of mg2 " * ti4 " 1 " ; base on the suited concentration of mg2 + > ti4 +, the influence rule on phosphors luminescence intensity and long - persistent curve with changing of eu + concentration is also studies. at the same time, by using rare - earths metals adulteration and theory of chroma synthesis, the possibility of sensitized buildup of phosphors and the synthesis of different color long - persistent phosphors is also researched

    應用x射線粉末衍射（ xrd ） 、熒光光譜、時間分辨光譜及磷光體長余輝壽命測試等綜合實驗手段，較系統地研究了摻雜eu對熒光體y2o2s ： eu熒光體的發光光譜、色度和發光強度的影響；研究了不同mg ， ti含量對磷光體基質結構性能、發光強度與余輝曲線的影響及其適宜的摻雜濃度；基此，研究了在給定mg ， ti含量時，不同eu摻量對磷光體發光強度和余輝的影響規律；從稀土摻雜和色度合成原理分別探討了eu的發光敏化增強和制備不同光色長余輝磷光體的可能性。
  5. Eu2 + ion activated strontium aluminate phosphors are a kind of photoluminescent materials with high brilliance, long afterglow and stable performance

    稀土銪離子摻雜的鋁酸鍶基質發光材料是一類發光亮度高、余輝時間長、性能穩定的長余輝發光材料。
  6. The effect of h3bo3 was discussed in detail, and the luminescence and aferglow time was increased. the stability of this material was studied and it needs coating processing in application. then by changing the base, activator, flux and reaction condition, we studied different phosphors based on the aluminates, silicates, catio3 and y2o2s in detail, and obtained the best stoichiometry and preparation of these phosphors with the colors of red, red and orange, yellow - green, blue - green, cyan and blue - purple

    本論文採用高溫固相法，對黃綠色sral _ 2o _ 4 ； eu ， dy長余輝材料的發光特性進行了深入的研究，詳細討論了助熔劑硼酸對材料的影響，大幅度提高了該材料的余輝亮度和時間，並對該材料的穩定性進行了研究，得出使用時要進行包膜或其他防潮處理的結論。
  7. Influence of doping boron on synthesis temperature and properties of sral2o4 : eu, dy phosphor

    長余輝發光材料合成溫度及性能的影響
  8. The influence of chroma is investigated on physical compound of long - persistent red phosphor and strontium aluminate phosphors doped with eu2 + is investigated. lt is found that the long - persistent white phosphor can be acquired when red phosphor and strontium aluminate phosphors are mixed with molar proportion of 100 : 20

    研究了紅色磷光體與摻eu鋁酸鹽磷光體的物理復合及對色度的影響，實驗發現紅色磷光體與鋁酸鹽磷光體按100 ： 20比例混配可獲得接近白色長余輝磷光體。
  9. 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。
  10. Remembered splendour, a colourless and manifold diluted repetition of what they had beheld in proud old london - we will not say at a royal coronation, but at a lord mayor s show - might be traced in the

    在我們祖先們所制定的每年一度的執政官就職儀式中，還能窺見他們當年在古老而驕傲的倫敦我們妨且不談國王加冕大典，只指市長大人的就職儀式所看到的痕跡的重現，不過這種反映已經模糊，記憶中的余輝經多次沖淡已然褪色。
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