English
全部
搜索
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
过去 7 天
时间不限
过去 1 小时
过去 24 小时
过去 30 天
按时间排序
按相关度排序
腾讯网
5 天
大连理工大学《自然·通讯》:Ru₁-ZrO₂催化聚烯烃无甲烷化转化制 ...
聚烯烃是全球产量最大的塑料产品,但是难以自然降解,造成了严重的环境问题。塑料垃圾中蕴含着丰富的碳氢资源,若将其转化为液体燃料,部分替代石油路线燃料,可减少对石油的开采。利用金属/氧化物双功能催化剂,可以在较温和条件下将废塑料转化为高值燃料、蜡和润滑油 ...
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
Dow drops 1,000 points
Charged with rape, assault
228K jobs added in March
NSA director fired?
US fencer disqualified
Yoon removed from office
Hurricane season forecast
DOE's AI data center plans
Backs parental proxy voting
To match US auto tariffs
To remain adviser to Trump
NJ mom found not guilty
US set to host '31 World Cup
Senate confirms Oz for CMS
Probation won't be revoked
Gun rights to be restored?
Outsider folk singer dies
3 family members hit, killed
MTV VMAs to air on CBS
US, China hold security talks
States sue to block order
Plans temporary layoffs
JFK Profile in Courage Award
Recalls over 105,000 SUVs
Health funding cuts on hold
反馈