In this paper, we have synthesized a series of Sr2-2xEu2xSi5N8 (0 ≤ x ≤ 1) solid-solution compounds, and have systemically investigated effects of full-range Eu concentration on their luminescence. Their emission band maximum can be largely tuned from 610 to 725 nm by increasing Eu ...
BrandBaseus NameGaN2 Fast Charger Model No.CCGAN100CC(CN); CCGAN100CS(US); CCGAN100CE(EU) MaterialPC InputAC100V-240V~,50/60Hz,2.5AMax. Type-COutput5V/3A,12V/3A;9V/5A,15V/5A,20V/5A Productsize67*30*55 mm ProductweightAbout 178g ...
目的 制备一种新型SrAl2O4:Eu2+,Dy3+长余辉指纹显现试剂,开发一种有效防止背景干扰的指纹显现提取新技术。方法 采用高温固相法合成了SrAl2O4:Eu2+,Dy3+无机盐材料,破碎筛分获得了无机长余辉指纹显现粉末试剂。研究了该试剂的光学性能及粒度对指纹显现效果的影响,并使用该试剂对纸币、铝箔、灯泡及覆膜包装纸等...
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摘要: 研究加入Dy^3+离子后的Ca1-xSrxS:Eu^2+,Er^3+的荧光激光发谱,发射光谱及余辉时间.结果表明,Ca1-xSrxS:Eu^2+,Dy^3+,Er^3+是一种发光效率高,余辉时间长的红色发光材料.关键词: 红色荧光粉;光致发光;Dy~(3+)离子 DOI: CNKI:SUN:JLDX.0.1997-04-013 ...
Raplash_XS 24-01-5 17:14 发布于 湖北 来自 DC超话 DC超话DCEU最后一部作品《#海王2:失落的王国#》目前上映15天,全球总票房已达到2.8亿美元,最终票房有希望和《黑亚当》掰掰手腕!内地预测总票房再次上升至4.14亿人民币,目前该片已成为2018年《海王》后在内地最卖座的DC电影!《#闪电侠#》:全球2.68亿美...
The iPhone Xs uses a "surgical-grade stainless steel" case and has a glass frontandback. It is splash, water, and dust-resistant to the IP68 standard (maximum depth of 2 meters up to 30 minutes). It is sold in three color options, gold, silver, and a dark "Space Gray" (...
Maxim S. Molokeev3,4 & Quanlin Liu2 Here we reported the phase formation of MxMg2Al4+xSi5−xO18:Eu2+ (M = K, Rb) solid solution phosphors, where M+ ions were introduced into the void channels of Mg2Al4Si5O18 via Al3+/Si4+ substitution to keep the charge balance. ...