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
过去 7 天
时间不限
过去 1 小时
过去 24 小时
过去 30 天
按相关度排序
按时间排序
中国科学院
6 天
高强钢疲劳强度研究获进展
中国科学院金属研究所研究员张哲峰团队与中国科学院院士李殿中团队合作,在GCr15轴承钢疲劳开裂模型与性能优化研究方面取得进展。该研究建立了夹杂物-强韧性协同调控理论,并采用稀土改性技术,将轴承钢的拉-拉疲劳强度、拉-压疲劳强度提升至新水平。
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
Trump signs funding bill
Survives 95 days at sea
US deports Venezuelans
To review F-35 jets purchase
Withdraws nomination
Coffee creamer recall
Wins longest-ever Iditarod
Kupp signs with Seahawks
Gold rises to new heights
Felony gun possession arrest
North Macedonia deadly fire
Oklahoma wildfires
Severe weather outbreak
US mulls travel ban
Staff placed on leave
Texas measles outbreak
Second protester arrested
Former NY Rep. Lowey dies
Australian Grand Prix win
Cuba suffers power outage
Pleads not guilty
RU, UKR launch attacks
ISIS leader killed in Iraq
Kellogg's envoy role reduced
Laceration hazard recall
US launches strikes in Yemen
Jets sign Derrick Nnadi
Syed formally resentenced
Crew-10 arrives at ISS
Cadillac, Chevrolet recall
Man wins $50M over burns
Israeli attack in Gaza
US expels SA ambassador
Electrical fire halts show
Chiefs sign Tillery
Iran denies US claims
反馈