منابع مشابه
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A soliton is a localized “lump” of light that is the product of wave effects in a nonlinear medium and can, under certain conditions, emit low-intensity, positive frequency resonant radiation in its wake, due to the phase matching between its momentum and the dispersion of the medium itself. Writing in Physical Review Letters, Eleonora Rubino at the University of Insubria in Como, Italy, and co...
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Traditional betting systems do not enable betting in real-time during an event and require decisions and preparations beforehand. In this paper a novel architecture for real-time betting is presented. It disposes of the up-front effort and enables frequent bet announcements and placements during an ongoing event. The novel situation is achieved by broadcasting announcements, time-stamping and s...
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Policymakers from developed countries who are looking to commission breastfeeding peer support (BPS) services have every cause to be puzzled as to whether or not they can improve continuation rates. On the one hand, BPS interventions are internationally recognised as having the potential to contribute to improving breastfeeding durations.1 A recent Cochrane review found that additional support ...
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You might think that, since the legendary Bohr–Einstein debates of the 1920s, questions concerning the foundations of quantum mechanics have been picked over so thoroughly that little meat is left. The theory works, no one intuitively understands it — what else is there to say? Yet from time to time, people have found new aspects of quantum mechanics — from Bell’s inequality to Shor’s factoring...
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ژورنال
عنوان ژورنال: The Lancet
سال: 2017
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(17)31426-5