News tagged with nitrate concentrations
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Search results for nitrate concentrations
Tracing the traces: Nanogram concentrations of a toxic compound detected in chlorinated tap water
Chemistry / Analytical Chemistry
20 hours ago |
5 / 5 (3) |
5
(PhysOrg.com) -- Drinking water can transmit a number of diseases, including typhoid, dysentery, cholera, and diarrhea, which can then spread explosively throughout an entire service area. To avoid this problem, drinking ...
Global warming likely to be amplified by slow changes to Earth systems
Space & Earth / Earth Sciences
Dec 20, 2009 |
2.6 / 5 (38) |
45
Researchers studying a period of high carbon dioxide levels and warm climate several million years ago have concluded that slow changes such as melting ice sheets amplified the initial warming caused by greenhouse ...
Replicating Climate Change to Forecast its Effects
Dec 17, 2009 |
2.5 / 5 (4) |
2
(PhysOrg.com) -- Agricultural Research Service (ARS) scientists are replicating the effects of climate change to see what the future holds for soybeans, wheat and the soils where they grow.
Feds mull regulating drugs in water
Dec 22, 2009 |
5 / 5 (1) |
0
(AP) -- Federal regulators under President Barack Obama have sharply shifted course on long-standing policy toward pharmaceutical residues in the nation's drinking water, taking a critical first step toward regulating some ...
Oceans becoming noisier thanks to pollution -- report
Dec 20, 2009 |
4 / 5 (4) |
3
The world's oceans are becoming noisier thanks to pollution, with potentially harmful effects for whales, dolphins and other marine life, US scientists said in a study published Sunday.
Climate scientists underwhelmed by Copenhagen Accord
Dec 20, 2009 |
3 / 5 (13) |
11
Top climate scientists said Saturday that the eleventh-hour political deal hammered out at UN talks in Copenhagen falls perilously short of what is needed to stave off catastrophic global warming.
Figitumumab has anti-tumor activity in Ewing's sarcoma
6 hours ago |
not rated yet |
0
A preliminary study of the anticancer drug figitumumab has found that it has antitumour activity in Ewing's sarcoma—a cancer which affects mainly teenage boys. The results have led to the drug's progression to a Phase 2 trial ...
Researchers revise long-held theory of fruit-fly development
Dec 17, 2009 |
not rated yet |
0
For decades, science texts have told a simple and straightforward story about a particular protein—a transcription factor—that helps the embryo of the fruit fly, Drosophila melanogaster, pattern tissues in a m ...
New report underlines multiple benefits but also new challenges to biodiversity-rich sites
Dec 17, 2009 |
5 / 5 (1) |
0
An agreement in Copenhagen to fund reduced emissions from deforestation may generate multiple environmental and economic benefits if investments simultaneously target sites that are both carbon and biodiversity-rich.
Putting the squeeze on data
Technology / Computer Sciences
Dec 21, 2009 |
5 / 5 (3) |
0
(PhysOrg.com) -- Data compression is one of the fundamental research areas in computer science, letting information systems do more with less. It’s the reason the iPod nano can hold thousands of songs instead ...
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