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
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
Optics
23 天
Photoacoustic gas sensing points to real-time environmental monitoring
The new approach, termed coherently controlled quartz-enhanced photoacoustic spectroscopy (QEPAS), could form the basis for detectors used in environmental monitoring, breath analysis and chemical ...
4 个月
on MSN
Photoacoustic sensor achieves high-sensitivity detection of multiple greenhouse gases
Gao Xiaoming's team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, developed a novel ...
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
Wins Senate committee vote
RFK Jr. clears Senate panel
Imposes tariffs on US goods
Biden signs with CAA
Offers to jail US criminals
Sued by former nanny
Announces death of mother
Neo-Nazi leader convicted
Sweden school shooting
EPA warns employees
Microplastics found in brains
MLB fires Pat Hoberg
'Special govt. employee'
Stradivarius violin auction
Sued for discrimination
‘Squid Game' actress dies
Inks deal with SK’s Kakao
Accused attacker faces trial
US, Philippines joint patrol
DOJ to battle antisemitism
FSU coach stepping down
Suspended 10 games
US job openings fall
Mimics moon’s gravity
To attend Super Bowl
To cut up to 7,000 jobs
Baby elephant at OR Zoo
To launch streaming service
US begins migrant flights
Confirmed as VA secretary
Antitrust violation probe
反馈