News tagged with potassium nitrate
Solar power generation around the clock
(PhysOrg.com) -- A Californian company, SolarReserve, is developing a solar power system that can store seven hours' worth of solar energy by focusing mirrors onto millions of gallons of molten salt, allowing ...
Technology / Energy & Green Tech
Nov 05, 2009 |
4.5 / 5 (31) |
15
Search results for potassium nitrate
Thermal storage gets more solar on the grid
(PhysOrg.com) -- It's 4:45 on a sweltering August afternoon, and the rooftop solar panels are starting to lose juice. The sun's lower angles and that huge cottonwood tree are interfering with the efficient ...
Technology / Energy & Green Tech
Feb 15, 2012 |
4.7 / 5 (7) |
6
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Battery electrode's 40,000 charge cycles look promising for grid storage
(PhysOrg.com) -- While researchers continue to improve solar and wind energy technologies, having a battery that can store the energy until it’s needed by the grid is another critical component for using ...
Technology / Energy & Green Tech
Nov 22, 2011 |
4.4 / 5 (12) |
12
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How to make solar power 24/7
The biggest hurdle to widespread implementation of solar power is the fact that the sun doesn't shine constantly in any given place, so backup power systems are needed for nights and cloudy days. But a novel ...
Technology / Energy & Green Tech
Aug 01, 2011 |
4 / 5 (11) |
52
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Molten salts for efficient solar thermal plants
Researchers from Siemens intend to substantially boost the efficiency of solar thermal power plants and thus reduce the costs of this climate-neutral method of power generation. They intend to use mixtures ...
Technology / Energy & Green Tech
Mar 08, 2011 |
4.5 / 5 (2) |
5
Urine for sale? South African city wants to buy
Get paid to pee. That's the deal on offer in the South African city of Durban, where the city is looking to buy liquid waste to encourage residents to use dry toilets.
Nov 07, 2010 |
3.8 / 5 (9) |
1
Graphene oxide gets green
Rice scientists have found a way to synthesize graphene oxide in bulk in an environmentally friendly way, eliminating toxic and explosive chemicals from the process. They have also found a class of common bacteria breaks ...
Nanotechnology / Nanomaterials
Jul 22, 2010 |
5 / 5 (8) |
1
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Keeping nitrogen in the soil and out of the water
(PhysOrg.com) -- Nitrogen is important for optimal crop production, but can be lost to leaching as nitrate. High amounts of nitrate in drinking water can be harmful to people, especially infants and pregnant women. While ...
Jun 11, 2010 |
not rated yet |
0
Legumes can Reduce Need for Nitrogen Fertilizer
(PhysOrg.com) -- Adding legumes to a crop rotation has many benefits, including reducing the need for external nitrogen input.
Mar 29, 2010 |
4 / 5 (1) |
0
Top 15 chemical additives in your food
We don't just want our food to taste good these days: It also has to look good. As a result, food producers use any of 14,000 laboratory-made additives to make our food appear fresher, more attractive or last longer on the ...
Jan 19, 2010 |
4.1 / 5 (31) |
7
Nutrients in water may be a bonus for agriculture
Agriculture producers may find they don't have to bottle their water from the Seymour Aquifer in the Rolling Plains to make it more valuable, according to Texas AgriLife Research scientists.
Space & Earth / Earth Sciences
Nov 24, 2008 |
3 / 5 (1) |
0
List of search results for potassium nitrate
