搜索优化
English
全部
Copilot
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 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
6 天
《科学》(20250124出版)一周论文导读
我们提出了一种针对晶粒内部和晶界区域的超纳米(<10纳米)和短程有序化设计。这种设计应用于基于钒、钴和镍的细晶合金,并添加了钨、铜、铝和硼。通过短程有序化在晶界附近的偏聚,显著实现了晶界相关的强化和塑化机制。
China Internet Information Center
6 天
Autoridades de Sichuan han estado trabajando arduamente para impulsar la "economía de ...
Imagen del 9 de enero de 2025 de un niño practicando con la ayuda de un instructor en una estación de esquí cubierta, en Chengdu, en la provincia de Sichuan, en el suroeste de China. Sichuan se destac ...
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
6 Mexicans killed in crash
Black boxes recovered
Trump fires CFPB director
Dog food recall
Receives $250K settlement
Apologizes for old tweets
CA's largest fires contained
Granted legal personhood
Venezuela frees 6 Americans
TN settles suit with NCAA
Martin elected DNC chair
Judge blocks funding freeze
Dismisses suit against CNN
Bans DeepSeek, RedNote
Drone pilot to plead guilty
Ends abortion travel policy
New York doctor indicted
Opens probe into NPR, PBS
Gold hits all-time high
Boy, 5, dies in explosion
Jan. 6 prosecutors fired
To again run for Senate?
Ex-German president dies
US inflation ticked higher
Tour boat captain sentenced
WBD hit with copyright suit
Suspends dividend
Ex-Fed advisor arrested
Seeking a new trial
Recuses self from Act 10 suit
Hamas releases 3 hostages
Russian attacks in Ukraine
Costco, Teamsters reach deal
反馈