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23212 matches found for "ratio"

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Automation engineering enhances efficiency in process and manufacturing industries

With its new Sirius Modular System for industrial controls, Siemens has succeeded not only in cutting down on the amount of wiring work but also in reducing space requirement in the control panel. At ...

Machine Engineering | nachricht Read more
Wind Farm Design Borrows Strategy from Schooling Fish

Robert Whittlesey and John Dabiri of the California Institute of Technology have developed a potentially more efficient wind farm design that maximizes the efficiency of land usage. They based their a...

Physics and Astronomy | nachricht Read more
New Tool for Helping Pediatric Heart Surgery

The researchers will present their work next week at the 62nd Annual Meeting of the American Physical Society's (APS) Division of Fluid Dynamics will take place from November 22-24 at the Minneap...

Medical Engineering | nachricht Read more
A Mechanical Model of Vocalization

"Voice disorders affect 30 percent of the general population and up to 60 percent of educators," says Plesniak. "The objective of our work is to develop a detailed understanding of the ...

Physics and Astronomy | nachricht Read more
With 1st Neutrino Events, Multinational Team In Japan Takes 1st Step To Answering Why Only Matter In Universe

Protons from the 30-GeV Main Ring synchrotron were directed onto a carbon target, where their collisions produced charged particles called pions. These pions travelled through a helium-filled volume w...

Physics and Astronomy | nachricht Read more
Switchgrass Produces Biomass Efficiently

Economically viable production of a perennial grass monoculture from which substantial quantities of biomass are removed annually is expected to require nitrogen fertilizer.An agronomist at Ok...

Agricultural and Forestry Science | nachricht Read more
A Year After Discovery, Congo’s “Mother Lode” of Gorillas Remains Vulnerable

The study recommends protection of the swamp forests adjacent to the southwest border of Lac Télé Community Reserve after recent surveys confirmed that high densities of the great apes still exist in ...

Ecology, The Environment and Conservation | nachricht Read more
Fish Food Fight: Fish Don’t Eat Trees After All

But new research from the University of Washington shows this is not likely to be true. Algae provide a much richer diet for fish and other aquatic life, according to research published this week in t...

Ecology, The Environment and Conservation | nachricht Read more
Large Hadron Collider Restarts, Physicists Elated

A clockwise circulating beam was established in the LHC’s 17-mile-diameter ring on Nov. 20, ending more than a year of repairs to the huge underground laboratory. It is now ready to begin creating hig...

Physics and Astronomy | nachricht Read more
Mathematical approach contributes to lower radiation dose in computed tomography

One of the main challenges of computed tomography (CT) is to provide excellent image quality while exposing patients to the lowest possible dose of radiation. Reductions in dose application typically ...

Medical Engineering | nachricht Read more
Arsenic and Gold Clusters

Mention of arsenic poisoning usually brings to mind underhanded murder. However, the danger of arsenic poisoning from contaminated drinking water is far greater. Low concentrations of arsenic are foun...

Life Sciences | nachricht Read more
Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago

The volcano ejected an estimated 800 cubic kilometers of ash into the atmosphere, leaving a crater (now the world's largest volcanic lake) that is 100 kilometers long and 35 kilometers wide. Ash ...

Earth Sciences | nachricht Read more
Scientists watch as peptides control crystal growth with ‘switches, throttles and brakes’

The research, which appears in the Nov. 23 online edition of the journal Proceedings of the National Academy of Science, explores how peptides interact with mineral surfaces by accelerating, switching...

Life Sciences | nachricht Read more
Polyphenols and polyunsaturated fatty acids boost the birth of new neurons

Universitat Autònoma de Barcelona (UAB) researchers have confirmed that a diet rich in polyphenols and polyunsaturated fatty acids, patented as an LMN diet, helps boost the production of the brain...

Health and Medicine | nachricht Read more
KfW issues its first ever 7 year Euro-Benchmark

Having already placed a ten-year, a five-year and a three-year bond in the classical maturities earlier this year, KfW has now launched a seven-year Euro-Benchmark for the first time. As expected, dem...

Business and Finance | nachricht Read more
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