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New technology will allow important metals to be made more efficiently
metallic oxide thin film electronic components
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2021/8/9
Researchers have invented a cheaper, safer, and simpler technology that will allow a 'stubborn' group of metals, such as the Pt-group elements, to be transformed into thin films for various practical ...
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How do birds breathe so efficiently? Looped airways facilitate air flows(图)
birds breathe efficiently Looped airways facilitate air flows
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2021/4/9
Birds breathe with greater efficiency than humans because of the structure of their lungs --looped airways that facilitate air flows that go in one direction -- a team of researchers has found. The re...
Efficiently Testing Sparse GF(2) Polynomials
Property testing GF(2) polynomials Sparse polynomials Randomized algorithms
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2012/12/3
We give the first algorithm that is both query-efficient and time-efficient for testing whether an unknown function f : {0, 1}n → {−1, 1} is an s-sparse
GF(2) polynomial versus -far from every...