A Swan's Secret.
نویسندگان
چکیده
منابع مشابه
Yield of Black Swans
h EXCEPT FOR GETTING your chip to market on time, optimizing yield is perhaps the most important thing we can do to improve IC profitability. We address this problem in several ways: design for manufacturability (DFM) through layout rules, process control, and increasingly clean cleanrooms. In an ideal world, this would solve our yield problems. We know it doesn’t, so we build a diagnostic capa...
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1 We used a combination of laboratory and field experiments to test the hypothesis that the burial depth of Potamogeton pectinatus tubers will vary with local sediment type and swan predation pressure. 2 In the field, mortality due to predation by swans decreased linearly with burial depth (from 100% at the surface to 55% at 225 mm depth) and with sediment clay content. Average tuber size showe...
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ژورنال
عنوان ژورنال: Nature
سال: 1892
ISSN: 0028-0836,1476-4687
DOI: 10.1038/045416b0