文件大小：144K
PROBLEM TO BE SOLVED : To provide an ultraviolet phosphor that has extremely high luminous efficiency by vacuum ultraviolet ray excitation. SOLUTION : The ultraviolet phosphor for ultraviolet phosphorescent lamp that uses vacuum ultraviolet rays as an excitation source is represented by the composition formula : M3Y2-x-yCexLnySi6O18 (wherein M is at least one of divalent ion selected from Ca, Sr, Ba and Pb; Ln is at least one of trivalent ion selected from rare earth elements other than Ce; 0
点赞 0
反对 0
举报 0
收藏 0
打赏 0
评论 0
- 掺稀土类水滑石作无卤阻燃剂和补强剂的复合材料制备方法
0下载205浏览1147K
- 永磁铁氧体转子合金材料
0下载377浏览121K
- 一种新型介孔金属氧化物材料的合成方法
0下载183浏览335K
- Discharge lamp
0下载142浏览82K
- Ceramic composite systems and method
0下载346浏览2131K
- 一种不对称催化合成γ-硝基吡唑酰胺化合物的方法
0下载343浏览590K
- 一种隔热型铝型材及其加工方法
0下载208浏览311K
- 高电阻温度系数的PTC热敏电阻合金丝及其制备方法
0下载344浏览994K
- 一种镁-锶-稀土中间合金及其制备方法
0下载340浏览1259K
- 一种高铁稀土铝合金电缆
0下载105浏览284K