English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最佳匹配
最新
生物通
2 个月
一种基于宽带蓝光Na-β"-Al?O?:Eu2?, Ce3?磷光体的白光LED(WLED),该磷光 ...
宽谱带Na-β"-Al?O?:Eu2?,0.08Ce3?荧光材料通过Eu2?双位点占据实现470nm和500nm双峰发射(FWHM 140nm),热稳定性优异(95.1%@448K),用于CIE 1931色坐标(0.32,0.35)的全光谱WLED。 发光二极管(LED)的发明和应用将照明领域带入了一个新时代。与传统光源相比,LED灯体积更小 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Trump signs funding bill
Biden's ex-husband charged
Demands $1B in damages
Pleads not guilty to rape
Judge on evidence preservation
To ban hidden door handles
Illinois joins WHO network
3 Alberta players killed
Three Dog Night singer dies
Elephant kills tourist
NASA delays Artemis II launch
Raw milk health warning
To buy Webster Financial
No ICE presence planned
Steps down from WH post
To meet at White House
To compete in Olympics
Renewed for season 3
To carry US flag at Olympics
Disney names new CEO
‘Sherri’ talk show canceled
To deploy observers for ICE
CEO testifies before Senate
To quit House of Lords
US shoots down Iranian drone
X offices in France raided
To invest in $1B in US market
Attia apologizes for emails
Announces run for governor
PayPal appoints new CEO
Reaches $1T market value
García announces retirement
RU resumes strikes on UKR
Suspected biolab found
反馈