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
按时间排序
按相关度排序
中国科技网首页
28 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
New funding bill fails
Disqualified from GA case
Plans to sue accuser
Proposes missile duel w/ US
US deportations surge
Population grows past 340M
Shooter can't withdraw plea
Cavuto leaving Fox News
FBI probes death on cruise
Tate brothers case sent back
Norovirus risk recall
Replacements guitarist dies
Chinese agent in CA poll?
US life expectancy rebounds
Tirzepatide shortage ends
Calls to end abortion reports
Mangione returns to NY
Announces aid for Sudan
Bans drones in parts of NJ
Power banks recalled
Settles discrimination suit
France rape trial verdict
Weekly jobless claims fall
Healthcare spending grew
Helps solve murder mystery
PGA Tour Rookie of the Year
76ers win stadium approval
Ex-Uvalde chief's bid denied
Air bag recall plans halted
Massie won't back Johnson
More than 100M yrs older?
US home sales rose
Workers strike across US
Sets new climate target
反馈