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
过去 30 天
时间不限
过去 1 小时
过去 24 小时
过去 7 天
最新
最佳匹配
生物通
29 天
PdAu催化剂的纳米粒子大小和组成决定了通过O2还原生成H2O2的结构和 ...
该研究通过稳态测量、原位红外光谱和DFT计算,揭示了不同尺寸(1.8 nm和11.8 nm)PdχAu催化剂表面Pd原子的分布与反应性能的关系。结果表明,小尺寸催化剂因Pd原子暴露度更高、表面重构更显著,表现出更强的H2O2选择性及反应速率,且Pd-Au合金的电子结构和几何 ...
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
Italian fashion designer dies
To open 60th Super Bowl
Roger Allers dies at 76
Gold, silver hit record highs
DOJ vows to press charges
Sharks acquire Sherwood
China’s population falls
American jailed in RU prison
Hackers target Iran state TV
Bills fire head coach
Chicken recalled
NBA All-Star Game starters
Powell to attend hearing?
Falcons retain Ulbrich
Agree to $1M, 1-year deal
SA school bus crash
Kabul hotel blast
Pak shopping plaza fire
China's economy grows 5%
Trump to meet global CEOs
Nigeria church attacks
Philippines’ new gas deposit
Czech town hall shooting
White Sox legend dies
Rams reach NFC title game
To weigh HI’s gun law
Massive Michigan pileup
Prince Harry returns to court
Northern lights forecast
UK PM on Trump tariff threat
Bulgaria's pres to resign
Trump’s letter to Norway
反馈