News tagged with nitrate concentrations
Nitrate concentrations of ground water increasing in many areas of the United States
Sep 17, 2008 |
4.6 / 5 (5) |
1
Nitrate is the most common chemical contaminant in the world's ground water, including in aquifers used for drinking-water supply. Nitrate in drinking water of the United States is regulated by the U.S. Environmental Protection ...
Search results for nitrate concentrations
Global warming likely to be amplified by slow changes to Earth systems
Space & Earth / Earth Sciences
6 hours ago |
2.6 / 5 (14) |
10
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 gases.
Climate scientists underwhelmed by Copenhagen Accord
13 hours ago |
3.4 / 5 (5) |
6
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.
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.
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.
Looking for the heartbeat of cellular networks
Dec 16, 2009 |
not rated yet |
0
Our cells' molecules form an intricate network of interactions. Today's techniques, however, can only be used to measure individual molecular reactions outside the cells. Since molecular concentrations are much higher in ...
New research may help to clean drainage from abandoned mines
Dec 16, 2009 |
4.8 / 5 (4) |
0
(PhysOrg.com) -- In a quiet green glen near Ashville, Pa., lies a rust-colored pond. A deep, rectangular hole in the ground, it somewhat resembles an Olympic-sized pool. Few people, however, would make the ...
Higher levels of protein hormone associated with lower risk of dementia, Alzheimer's disease
Dec 15, 2009 |
5 / 5 (1) |
0
Persons with higher levels of leptin, a protein hormone produced by fat cells and involved in the regulation of appetite, may have an associated reduced incidence of Alzheimer disease and dementia, according to a study in ...
From greenhouse to icehouse -- reconstructing the environment of the Voring Plateau
Space & Earth / Earth Sciences
Dec 15, 2009 |
4.1 / 5 (7) |
1
The analysis of microfossils found in ocean sediment cores is illuminating the environmental conditions that prevailed at high latitudes during a critical period of Earth history.
Rare earth metal enhances phosphate glass
Dec 15, 2009 |
4.5 / 5 (2) |
0
(PhysOrg.com) -- Adding cerium oxide to phosphate glass rather than the commonly used silicate glass may make glasses that block ultraviolet light and have increased radiation damage resistance while remaining colorless, ...
List of search results for nitrate concentrations
