English
全部
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
搜狐
7 天
燕山大学高压科学中心合成出世界最硬的金刚石块材 | Nature Synthesis
近日,燕山大学实验室高压科学中心田永君院士团队联合南京理工大学、宁波大学的研究人员在超硬材料领域实现重大突破:成功合成出硬度达276 GPa的超细纳米孪晶金刚石块材,刷新了材料硬度的世界纪录。 相关研究以“Enhancing the hardness ...
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
Trans troops ban blocked
Return to Earth
Agrees to limited ceasefire
'Get Together' singer dies
Patient dies post-therapy
OH trans care ban blocked
Free checked bag promotion
Judge on USAID shutdown
Declines to halt execution
'Sunrise on the Reaping'
Corruption trial begins
To open headquarters in TX
Texas measles cases rise
Morgan says he’s OK
Tesla vehicles set on fire
Retires after 15 seasons
Removing privacy setting
Iguana migration study
Reinstating fired workers
Earthquake shakes Bay Area
Lebanon-Syria ceasefire
Drops gun violence advisory
Frozen meals recalled
JFK files released
Woman charged w/ murder
Honduras plane crash
Factory production rises
Parents on missing daughter
US housing starts rebound
Worker stole $1.6 million
Delta plane wing hits runway
反馈