搜索优化
Rewards
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 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
Wikiwand
6 天
弛緩 (核磁共振)
弛豫(英语:Relaxation),或译作弛缓,指的是在核磁共振过程中核自旋受到射频脉冲后恢复热平衡态的过程,所经历的时间即弛豫时间。 [1] 恒定磁场 B 0 {\displaystyle B_{0}} 下质子自旋弛豫的可视化展示:磁化方向与大小的变化(左);纵向 M z {\displaystyle M_{z}} ...
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
Secret Service admits failure
Accepts CNN debate invite
Released after guilty plea
J&J unit files for bankruptcy
Rallies in North Carolina
Sesame Place suit verdict
FBI agents board vessel
Russia threatens retaliation
$230 million crypto theft
Feds subpoena Schaeffer
Beirut strike death toll
ISR strike on Gaza school
House repeals emission rules
Baby powder recalled
Hand count approved in GA
In-person voting begins
Disney to stop using Slack
Stein's ballot bid rejected
Top Hezbollah leader killed?
Bill to boost security OK'd
Pandas leaving for China
Sues pharmacy middlemen
TN abortion law blocked
1st rabies outbreak in seals
144K+ Mavericks recalled
Drug price challenge revived
SC 1st execution in 13 years
Hiker injured in bear attack
WI high court to decide
Boeing defense chief exits
FDA approves flu vaccine
反馈