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Contrary to widespread assumption, dynamic RAM (DRAM), the main memory in most modern computers, retains its contents for several seconds after power is lost, even at room temperature and even if removed from a motherboard. Although DRAM becomes less reliable when it is not refreshed, it is not immediately erased, and its contents persist sufficiently for(More)
During the summer and fall of 2002, an epidemic (223 cases) and epizootic of West Nile virus infections occurred in Chicago. Retrospective spatial analysis demonstrated that age-adjusted human case rates were three times higher inside geographic areas with high early-season crow deaths than outside these areas.
Chinese Hamster Ovary (CHO) cells are widely used in biomanufacturing and biomedical research to produce proteins of clinical significance. The environment the cells grow in to produce these proteins is complex and varies across the industry. One key variable in production processes is the cell culture medium used. Media can include chemically-defined(More)
This work explores the use of Dimensional Analysis as a technique for combining the benefits of empirical modeling and analytical modeling for physical processes. Two processes in the semiconductor industry, Low Pressure Chemical Vapor Deposition (LPCVD) of Polysilicon and LPCVD of Low Temperature Oxide, are dimensionally analyzed and experimentally(More)
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