搜索优化
English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
酒店
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
过去 24 小时
时间不限
过去 1 小时
过去 7 天
过去 30 天
最佳匹配
最新
资讯
腾讯网
21 小时
科学家利用微波辅助法合成氮掺杂碳量子点,可用于木材保护和功能 ...
近日,北京林业大学教授曹金珍和团队利用微波辅助法合成氮掺杂碳量子点(CQDs,Carbon Quantum Dots),通过改变碳源和氮源的比例调控 CQDs 的结构和表面官能团,从而获得具有优异抗真菌性能的 CQDs,在浓度为 360ppm ...
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
Kohberger accepts plea deal
Boulder attack victim dies
Suspected ID gunman dead
Bacon won't seek reelection
Hackers may target US?
Officer dies in line of duty
Declines free speech appeal
Child, father rescued
Six dead in Ohio crash
Jury deliberations begin
Says he won't seek reelection
D. Wayne Lukas dies
Gold mine collapse in Sudan
SCOTUS rejects appeal
Shooting near Manhattan
'F1' tops box office
Hit with cyberattack
Throws out appellate rulings
Administration sues LA
Threatens to cut all funding
Announces run for governor
Lululemon sues Costco
Storm Flossie strengthens
Trump to host Netanyahu
Bologna recalled
Wolf Fire spreads in CA
To expand by three teams
Simon cancels concerts
Face checks for CA users
To hear MI pipeline case
Trump admin appeals ruling
Philly rowhomes collapse
Home Depot to buy GMS
Ex-executive subpoenaed
反馈