News tagged with hop rates
New research shows why metal alloys degrade
Sep 24, 2008 |
4.1 / 5 (32) |
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(PhysOrg.com) -- Metal alloys can fail unexpectedly in a wide range of applications -- from jet engines to satellites to cell phones—and new research from the University of Michigan helps to explain why.
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Precise measurement of phenomenon advances solar cell understanding
Nov 18, 2008 |
4.3 / 5 (12) |
3
(PhysOrg.com) -- "One type of solar cell design starts with a chain of chromophores strung between two electrodes," explained Dewey Holten, Ph.D., professor of chemistry in Arts & Sciences. "This chain absorbs ...
Mobile with 360 Mbit/s
Sep 25, 2004 |
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Using a combination of two radio technologies, Siemens researchers have now entered a new dimension of data transfer for mobile communications. The new system is able to transfer data at a rate of up to 360 megabits per sec ...
Lab and field test produces top speed for mobile network of up to 360 megabits per second
Sep 14, 2004 |
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At the "Mobile Internet 2010" forum held by the German Ministry of Education and Research on September 14 and 15, Siemens presented the latest results from its mobile communication research for the first time to the general public. On a test system, videos and ...
Fraudsters beware: Iowa State engineer is developing cyber technology to find you
Technology / Computer Sciences
Jan 07, 2008 |
3.8 / 5 (10) |
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Yong Guan had scribbled 12 arrows across his office whiteboard, each black line going from one little box he had drawn to another little box. He had written five long formulas up there, too. And that was bad ...
Study shows parents back junk-food ban in schools
Sep 28, 2009 |
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(PhysOrg.com) -- The issues surrounding children being overweight or obese plague society. In fact, the prevalence of these rates has tripled in the past three decades. But the University of Alberta's Paul ...
New method of assessing women's eggs could enhance IVF success, study shows
Mar 23, 2009 |
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Many couples who have trouble conceiving a child have turned to a process known as in vitro fertilization. The resulting embryos are then transferred back into the woman or placed in storage. More than 400,000 embryos are ...
Study reveals high death rates and short life expectancy among the homeless and marginally housed
Oct 26, 2009 |
5 / 5 (3) |
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Homeless and marginally housed people have much higher mortality and shorter life expectancy than could be expected on the basis of low income alone, concludes a study from Canada published on bmj.com today.
Barrett's esophagus patients have same survival rates as general population
Oct 26, 2009 |
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New Mayo Clinic research has found that survival rates of patients with Barrett's esophagus, which can be a precursor for esophageal cancer, are no different than the survival rates for the general population. These findings ...
Breast cancer incidence in Spain drops in early 2000s after decades of increasing rates
Oct 26, 2009 |
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After a steady increase of invasive breast cancer cases in Spanish women during the 1980s and 1990s, incidence rates abruptly declined starting in 2001—a trend most likely explained by a period effect linked to screening ...
Women More Likely Than Men to Suffer Depression After Stroke
Medicine & Health / Psychology & Psychiatry
4 hours ago |
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(PhysOrg.com) -- Depression occurs in as many as one-third of patients after a stroke, and women are at somewhat higher risk, according to a large new review of studies. Post-stroke depression is associated with greater disability, ...
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