搜索优化
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
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
Yahoo on MSN
19 小时
Which drinking water is healthiest? The pros and cons of tap, bottled, filtered and more.
The latest is a study that has detected a previously unidentified chemical byproduct in drinking water. The substance, called ...
6 天
on MSN
Solving a 40-year mystery, scientists ID chemical found in millions of Americans’ tap water
For more than four decades, scientists have noticed a mysterious chemical in the treated drinking water of millions of people ...
5 天
on MSN
‘Mystery’ chemical found in millions of Americans’ tap water could be toxic: ‘Good ...
A major goal of our work is to identify these chemicals and the reaction pathways through which they form,” said Julian ...
5 天
on MSN
What to know about a newly defined chemical byproduct found in drinking water
Some water systems decided to use chloramine -- a chemical compound formed by mixing chlorine and ammonia -- as a ...
5 天
on MSN
What to know about the newly identified chemical found in certain U.S. drinking water
Researchers have identified a chemical in certain tap water across the United States as chloronitramide anion. Here's what to ...
New Scientist
6 天
Common chemical in drinking water hasn't been tested for safety
Chloramine is used as a disinfectant in drinking water systems from the US to Australia. Research now shows it breaks down ...
5 天
Mystery Chemical in US Drinking Water Could Be Risk to Hundreds of Millions
A newly identified compound in tap water that had eluded scientists for decades prompts safety concerns for a third of ...
2 天
Scientists Identify Strange Chemical in Drinking Water Across the US
"There must be something in the water!" is something many of us have probably observed at some point. To scientists, though, ...
Science News
6 天
Scientists identify a long-sought by-product of some drinking water treatments
Chlorine-based water treatments create many by-products, but one has been elusive. Its identification sets the stage for studying its health effects.
3 天
Possibly toxic chemical may be widespread in drinking water, study finds. Should you filter ...
A previously unidentified chemical has been discovered in the tap water of about one-third of U.S. homes, a new study has ...
6 天
on MSN
Newly identified chemical in drinking water is likely in many homes and could be toxic ...
A newly identified chemical byproduct may be present in drinking water in about a third of U.S. homes, a study found.
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
反馈