منابع مشابه
DSP Extensions to the TRIPS ISA
In this paper, we propose a set of DSP extensions to the TRIPS ISA and evaluate their performance. By extending the TRIPS ISA with specialized DSP instructions, we offer an explorative look at the interaction conventional specialization techniques (such as SIMD instructions) have with EDGE ISAs. We discuss the implementation and its feasibility and provide non-intrusive compiler support through...
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Clouds play a major role in the climate system, but large uncertainties remain about their decadal variations. Here we report a widespread decrease in cloud cover since the 1970 s over the Mediterranean region, in particular during the 1970 s-1980 s, especially in the central and eastern areas and during springtime. Confidence in these findings is high due to the good agreement between the inte...
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BACKGROUND Food environment studies have focused on ethnic and income disparities in food access. Few studies have investigated distance travelled for food and did not aim to inform the geographic scales at which to study the relationship between food environments and obesity. Further, studies have not considered neighborhood design as a predictor of food purchasing behavior. METHODS Atlanta ...
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To understand modern science we cannot talk merely about theories. We must recognize the indispensable role of models. By theories we mean basic theories in physics, as described in scientific textbooks. Each basic theory describes a separate aspect of physical reality: movement under forces, gravity, electricity and magnetism, heat phenomena, and the like. Interactions described by basic theor...
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In this issue of ecp, Evidence Matters focuses on obstetric care and how it might be done more efficiently. The goal of prenatal care is to ensure delivery of a healthy baby to a healthy mother. The standard regimen of care that most obstetric providers have been trained to use is intense—14 visits during a 40-week pregnancy and a myriad of screening tests. Many recommended aspects of prenatal ...
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ژورنال
عنوان ژورنال: Science
سال: 2010
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.328.5979.669-d