منابع مشابه
Vibration Characteristics of the Platform in high- speed Railway Elevated Station
Aiming at a large number construction of high-speed railway and elevated railway passenger station, make a dynamics simulation study on the law of platform vibration characteristics on the situation of high-speed train passing through. First, make a brief introduction on the theory of the interaction of the vehicle-elevated station structure in vertical and transverse directions. Secondly, on t...
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H ow shocking and sad! Patriots Day—April 15, 2013— Boston blasted into the US history books as terrorists strike the Boston Marathon! An event that celebrates the physical training and conditioning of thousands of dedicated athletes, young and old, attacked by those intending to harm Americans and American life. Several dead, including an 8-year-old boy who just wanted to see his dad run the m...
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W: Prevalence and classification of anemia in elective ortho-pedic surgery patients: Implications for blood conservation programs. Predictors of transfusion requirements for cardiac surgical procedures at a blood conservation center. orchestrated collaborations between Harvard's Massachusetts General Hospital (MGH) and the Massa-chusetts Institute of Technology (MIT). MIT engineers Edwin Trautm...
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Fast growing population, excessive expansion of cities, and dominance of automobile in urban life have troubled cities with complicated traffic problems. In many parts of the world, transport network development has always been considered as a solution for this problem. Apparently, one-dimensional ‘traffic solutions’ would never thoroughly bring best results as the city and its problems are com...
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Class III Semaphorins (SEMA3) comprise a family of chemokines that have been implicated as negative regulators of axonal guidance, angiogenesis and tumor progression. It has been demonstrated previously that one SEMA3, SEMA3F, may have therapeutic potential in the treatment of cancer. When transfected with SEMA3F, the highly metastatic human melanoma cell line A375SM was found to exhibit a high...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1901
ISSN: 0036-8733
DOI: 10.1038/scientificamerican11021901-21599supp