News tagged with water content
Secret of sandcastle construction could help revive ancient building technique, researchers say
Jun 02, 2009 |
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The secret of a successful sandcastle could aid the revival of an ancient eco-friendly building technique, according to research led by Durham University.
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Ordered Water: Just how much water is there in calcined gypsum?
Chemistry / Analytical Chemistry
Apr 15, 2009 |
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(PhysOrg.com) -- Gypsum was used as a building material in antiquity and is still widely used as a binder in plaster, drywall, and spackling paste. Known as dihydrate in construction chemistry, gypsum is a water-containing ...
Boosting the amount of energy obtained from water
Nov 18, 2009 |
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The energy generated in places where fresh water and salt water meet is known as blue energy. This is a relatively new but highly promising renewable energy source. Piotr Długołęcki of the University ...
Water-conserving irrigation strategies minimize overwatering, runoff
Nov 05, 2009 |
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Conserving water and reducing the environmental impact of runoff are two of the most important issues confronting container nursery operations. Current regulations and laws in five states limit water consumption ...
No oxygen in Eastern Mediterranean bottom-water
Space & Earth / Earth Sciences
Sep 24, 2008 |
4.1 / 5 (7) |
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Research from Utrecht University shows that there is an organic-rich bed of sediment in the floor of the Eastern Mediterranean. This bed formed over a period of about 4000 years under oxygen-free bottom-water ...
Crop models help increase yield per unit of water used
May 04, 2009 |
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Crop water use efficiency (WUE, or yield per unit of water used), also known as crop water productivity, can be improved through irrigation management and methods, including deficit irrigation (irrigating less than is required ...
Jets on Saturn's moon Enceladus not geysers from underground ocean
Space & Earth / Space Exploration
Jun 24, 2009 |
4.1 / 5 (12) |
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Water vapor jets that spew from the surface of Saturn's icy moon Enceladus are not really geysers from an underground ocean as initially envisioned by planetary scientists, according to a study led by the ...
Just like old times: Generating RNA molecules in water
Nov 20, 2009 |
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A key question in the origin of biological molecules like RNA and DNA is how they first came together billions of years ago from simple precursors. Now, in a study appearing in this week's Journal of Biological Chemistry, resear ...
Changing climate will lead to devastating loss of phosphorus from soil
Apr 15, 2009 |
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Crop growth, drinking water and recreational water sports could all be adversely affected if predicted changes in rainfall patterns over the coming years prove true, according to research published this month in Biology an ...
How good are tests for E. coli in streams?
Sep 22, 2009 |
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Bacteria commonly used to indicate health risks in recreational waters might not be so reliable after all. Pathogenic E. coli were pervasive in stream-water samples with low concentrations of fecal indicator bacteria.
Using neutron-computed tomography techniques, scientist measure in-situ water content
Sep 08, 2008 |
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Scientists at the University of California in Davis present results from a newly developed non-invasive technique that uses thermal neutron attenuation to measure spatial and temporal distribution of water in soils. The study, ...
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