搜索优化
English
搜索
Copilot
图片
视频
地图
资讯
购物
更多
航班
旅游
酒店
房地产
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
按相关度排序
按时间排序
中国科技网首页
26 天
国内首个煤基PEN材料单体百吨级中试装置启动建设
记者11月21日从中国煤炭科工集团(以下简称中国煤科)获悉,该集团所属煤炭科学技术研究院有限公司(以下简称煤科院)聚萘二甲酸二甲酯(PEN)单体年百吨级中试项目,日前正式步入落地实施阶段。这是国内首个煤基PEN材料单体百吨级中试装置。该中试实验 ...
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
Indicted in CEO killing
Charged with seventh killing
Found guilty of murder
Sentenced to death
Judge rejects Trump’s bid
To attend inauguration
AOC loses vote to Connolly
Stowaway arrested again
Girl, 15, ID'd as shooter
Deported to Mexico
Reveals assassination plots
Charged with funding ISIS
Quake damages US embassy
‘Northern Exposure' star dies
Movement in extremities
CA pollution case dismissed
Murder-for-hire plot arrest
RU general killed in blast
Hires new chief of staff
Grants clemency to 36
Lawyer expects suit dismissal
Rear seat belt alert rule
The 'original Sun' dies at 81
China extends visa-free stays
Trust in US courts hits low
Named AP Coach of the Year
Ireland fines Meta
Hosts Hanukkah reception
Montgomery out indefinitely
反馈