luminescence ratio 中文意思是什麼

luminescence ratio 解釋
發光比
  • luminescence : n. 【物理學】發光，發螢[冷、磷]光。adj. -nescent
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. The main contents and important results of this paper are as following : strong blue cooperative up - conversion luminescence is observed in various host materials single doped yb3 + ions with naked eyes at room temperature under 980nm excitation. moreover there exist rich emission lines and peculiar ratio of luminescence intensity in all samples. intense green and blue up - converted luminescence is observed in yb3 + - ho3 + co - doped pbf2 - znf2 based materials with 930 nm diode light excitation at room temperature

    其主要內容與得到的結論如下： （ 1 ） yb ~ （ 3 + ）單摻雜不同基質材料組成的氟氧化物在980nm激光激發下發射出明亮的yb ~ （ 3 + ）離子的合作上轉換藍色熒光，同時這些樣品具有極為豐富的熒光發射，有著特別的色比關系。
  2. Site - select spectra indicate that the eu3 + in nanoparcles < wp = 7 > formed two kinds of luminescence centers with different branch ratios of 5d0 - 7fj. the ratio of varied with different excitation

    用不同能量激發zns時5d0 7f0與5d0 7f1發光分支比不同，表明激發能量對兩類發光中心的激發具有選擇性。
  3. 5. the luminescence enhancement of eu3 + was also observed after ultraviolet irradiation but was weaker than the zns : mn2 + and the branch ratio of 5d0 - 7f0 increased after irradiation. it indicates probably the contribution from the centers in the surface of nanoparticles increased

    在紫外光的輻照下首次觀察到eu3 +離子發光的熒光增強現象，輻照后5d0 < wp = 5 > 7f0發射強度分支比增加，表明對稱性較低的發光中心對發光的貢獻增加，可能是處于顆粒表面的eu3 +離子對發光的貢獻增加。
  4. 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。
  5. By adopting single doped, co - doped or triple - doped ways after adjusting the ingredients of host materials, the author has obtained several up - conversion materials with highly blue and green up - conversion efficiency as well as characteristic luminescence lines and peculiar relations of ratio of luminescence intensities

    作者通過調整基質材料，採用單摻雜、雙摻雜和多摻雜、等方式，得到了幾種藍綠光上轉換效率高的上轉換發光材料，其熒光譜線較新穎，色比關系較特殊。
  6. The influence of the heat treatment on the in - situ synthesis process and the luminescence behavior of the rare earth complexes in the different ratio teos / gptms gel glasses have also been studied

    研究了雙摻lmol h共和3molohy的teos凝膠體系和50 teos50 gptms凝膠體系，考察了ph值對稀土有機配合物在上述兩種凝膠體系中原位合成及發光的影響。
  7. Chapter 2 in the design of sensors and switches based on photoinduced electron transfer, fluorescence was often used with high sensitivity and convenience. it is noteworthy that room temperature phosphorescence ( rtf ) has many advantages over fluorescence, e. g., large stokes shift, higher signal to noise ratio, good selectivity and easily measurable luminescence lifetimes etc., and it can be found as a helpful complementary method of fluorescence sensing

    第二章在光誘導電子轉移傳感器和分子開關的設計中，熒光由於其靈敏度高、使用方便，受到人們的廣泛關注，相對于熒光室溫磷光選擇性好、信噪比高、較大的stokes位移、壽命易測定等優點，在許多方面與熒光互補。
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