News tagged with transport parameters
Transport behavior of E. coli varies depending on manure source
Mar 09, 2009 |
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Escherichia coli is a commonly used indicator organism for detecting the presence of fecal contamination in drinking water supplies. The importance of E. coli as an indicator organism has led to several studies looking at th ...
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Simulating pharmaceutical and personal care product transport
May 19, 2009 |
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Pharmaceuticals and personal care products (PPCPs) carried in biosolids (i.e., treated sewage sludge) may reach surface waters or groundwater when these materials are applied as fertilizer to agricultural land. During the ...
A new calculation code opens new possibilities in nuclear reactor modelling
Technology / Computer Sciences
Jun 28, 2007 |
4.2 / 5 (9) |
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Research Scientist Jaakko Leppänen from VTT Technical Research Centre of Finland has developed a new calculation code in his doctoral thesis, for the modelling of neutron physics in nuclear reactors. The so-called Monte Carlo ...
Liquid-OLED Offers More Light-Emitting Possibilities
Aug 14, 2009 |
4.8 / 5 (17) |
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(PhysOrg.com) -- As organic light-emitting diodes (OLEDs) are poised to go mainstream in the near future, scientists continue to explore new twists on the technology. Recently, researchers have fabricated ...
Tilt Parameters End First Extrication Drive for Spirit
Space & Earth / Space Exploration
Nov 17, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- The preliminary results from the first extrication drive for Spirit on Sol 2088 (Nov. 17, 2009) indicate the rover stopped less than 1 second after it began, sensing more vehicle lateral tilt ...
Molecular freight: Synthetic nanoscale transport system modeled on nature
Dec 21, 2009 |
4.4 / 5 (5) |
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(PhysOrg.com) -- Just like our roads, there is a lot of traffic within the cells in our bodies, because cell components, messenger molecules, and enzymes must also be brought to the right places in the cell. One of these ...
RNA on the move
Nov 26, 2009 |
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In the fruit fly Drosophila, oskar mRNA, which is involved in defining the animal’s body axes, is produced in the nuclei of nurse cells neighbouring the oocyte, and must be transported to the oocyte and along ...
Acoustic noise contains valuable geophysical information
Dec 07, 2006 |
4 / 5 (5) |
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The proper processing of acoustic noise can provide a wealth of information. Geophysicists for example have used seismic background noise measurements to reconstruct the crustal structure under Southern California. The advantage ...
Texas A&M prof to predict weather on Mars
Space & Earth / Space Exploration
Nov 04, 2009 |
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Is there such a thing as "weather" on Mars? There are some doubts, considering the planet's atmosphere is only 1 percent as dense as that of the Earth. Mars, however, definitely has clouds, drastically low temperatures and ...
Task force develops new radiation guidelines for brachytherapy
Nov 03, 2009 |
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Radiation dose delivered to the prostate and nearby organs in every brachytherapy procedure should be carefully analyzed using post-implant CT or MRI and uniformly documented in every patient, according to a new guideline ...
Stem cell derived neurons for research relevant to Alzheimer's and Niemann-Pick type C diseases
Dec 09, 2009 |
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Stem cell derived neurons may allow scientists to determine whether breakdowns in the transport of proteins, lipids and other materials within cells trigger the neuronal death and neurodegeneration that characterize Alzheimer's ...
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