English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
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
最佳匹配
最新
生物通
4月
容积吸收微量采样器(VAMS)在全血微量元素分析中的效能评估:背景 ...
这篇研究深入评估了容积吸收微量采样技术(VAMS)在血液微量元素分析中的应用潜力。通过对比传统静脉穿刺与VAMS采样方法,研究发现VAMS存在显著的背景金属污染问题(如Al、Cr、Mn等),并开发了多阶段酸洗清洁方案(10% HNO3+5% HCl超声处理)。虽然清洁后部分 ...
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
Shooting in Minneapolis
US seizes 2 oil tankers
Hall of Fame goalie dies
Cancels Kennedy Center shows
Teachers' union sues Texas
US leaves key climate treaty
Dodgers sign Graterol
Today in history: 1946
Hospitalized after accident
CEO steps down
Judge demands explanation
New US dietary guidelines
Rep. Steny Hoyer to retire
Newspaper to shut down
Blocks defense company payouts
To meet Danish officials
Arraignment delayed
Cuts ties with proxy advisers
Power restored in Berlin
SLC church shooting
Extradited to China
Calls for special session
Placed on IR
Carney to visit China
Invites Gustavo Petro to WH
To settle lawsuit
Employers add 41K jobs
Hawks agree to trade Young
Announces run for LA mayor
Dead whale sparks probe
反馈