搜索优化
English
全部
搜索
Copilot
图片
视频
地图
资讯
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
排序方式
最佳匹配
最新鲜
过去 7 天
时间不限
过去 1 小时
过去 24 小时
过去 30 天
资讯
生物通
6 天
六配位半茂金属催化剂在高温乙烯聚合中的应用及机理研究
为解决工业高温条件下烯烃聚合催化剂热稳定性不足的问题,研究人员设计了一种新型六配位半茂金属催化剂,结合理论计算与实验验证揭示了其高效催化机制。该催化剂在110°C下活性达31,680 kg/mol·Zr·h,兼具优异热稳定性与窄分子量分布特性,为聚烯烃工业 ...
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
CO attack suspect charged
Asks to allow mass layoffs
Collision may not happen?
'Coco' voice actress dies
‘King of the Hill' actor dies
4th man arrested over fires
NM police officer dies
More white S. Africans arrive
Gatlinburg multi-car crash
Maron to end his podcast
Cuts hundreds of jobs
Walkout over ICE arrest
Baltimore schools sued
Mount Etna erupts
Allen marries Steinfeld
China hits back at Trump
Mass stabbing in Oregon
Morgan’s husband dies
To lift oil drilling limits?
'Boardwalk Empire' star dies
Lions center retires at 29
‘Sports Science’ host dies
Wins presidential election
Joins Gaza aid ship
Denies challenges to bans
Announces bid for Lt. Gov.
Wander Franco trial
To buy Blueprint Medicines
Newark runway reopens
To fully automate advertising
Madden 26 cover athlete
Doesn’t plan to testify
反馈