搜索优化
English
全部
Copilot
图片
视频
地图
资讯
购物
更多
航班
旅游
酒店
搜索
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
按相关度排序
按时间排序
11 天
密度最大的金属—锇,曾被带到太空中,这是怎么回事
密度最大的金属—锇,曾被带到太空中,这是怎么回事 ...
EurekAlert!
2 年
首例含M=ClC双重键的氯代锇杂环戊三烯芳香化合物的合成
然而,过渡金属和氯烃基之间的双重键实例从未有过报道。 理论计算结果表明氯代锇杂环戊三烯化合物具有芳香性。如图3A所示,化合物3中氯代锇杂 ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果
今日热点
GOP budget bill advances
Plan to freeze aid blocked
Retires after 20 seasons
SCOTUS grants new trial
Mass attack plot arrest
American woman in custody
No longer a threat to Earth
Federal tech staffers resign
TX measles outbreak grows
Adds egg surcharge
New plant species found
Reports to federal prison
California judge testifies
NC medical helicopter crash
Sued over AI Overviews
US, UKR seal minerals deal
Recovering from injuries
Consumer confidence drops
Confirmed as Army secretary
Trump refugee ban blocked
Graceland auction plot plea
Lucid CEO steps down
Shareholders reject DEI ban
Probes Medicare billing
Suspended three games
Unveils advanced AI model
China-linked ship detained
Mystery illness kills over 50
Senate passes tax cut bill
Operator enters guilty plea
4th person presumed dead
反馈