منابع مشابه
Research in Reproduction: Challenges, Needs, and Opportunities
After delivering a student lecture on the quantitative attributes of human infertility, the very poor quality of human sperm in comparison to other species, and the biologically unlikely long “time-topregnancy” statistics even among young people, I generally pose to my audience of several hundred young and healthy students the following question. “All of these characteristics would be enough to...
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Progress in understanding mineral evolution, Earth’s changing near-surface mineralogy through time, depends on the availability of detailed information on mineral localities of known ages and geologic settings. A comprehensive database including this information, employing the mindat.org web site as a platform, is now being implemented. This resource will incorporate software to correlate a ran...
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We present a perspective on the societal accomplishments, recent cultural shifts, challenges, and opportunities in spatial computing based on the discussions at the 2012 Computing Community Consortium (CCC) visioning workshop, “From GPS and Virtual Globes to Spatial Computing – 2020,” held at the National Academies’ Keck Center to assess interdisciplinary developments and research challenges in...
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ژورنال
عنوان ژورنال: Journal of Chemical Education
سال: 1980
ISSN: 0021-9584,1938-1328
DOI: 10.1021/ed057p537