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The Potential and Cost of Carbon Dioxide Removal Using Direct Air Capture with Land-Based Wind and Utility-Scale Photovoltaics. [PDF]
Environ Sci TechnolHunter-Sellars E +9 more
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On the average number of registers required for evaluating arithmetic expressions
18th Annual Symposium on Foundations of Computer Science (sfcs 1977), 1977Let An be the average number of registers required for evaluating arithmetic expressions of size n, or, equivalently, the minimal stack needed for exploring binary trees with n nodes. We give explicit expressions for An and related quantities and show that: An = log4(n) + C + E(log4n) + o(1) where C = 1/2 - γ + 2/2 log2 + log2Π 0.292 and E is ...
Philippe Flajolet +2 more
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Average time required for scaling and surgery in periodontal therapy
Acta Odontologica Scandinavica, 1973The time used in performing scaling and elimination of overhangs (Sc) and periodontal surgery (Su) was analysed. Twenty-two quadrants with subgingival calculus and/or restorations with overhanging margins and with pocket depth of 5 mm or less were selected for Sc therapy.
H T, Bellini, J R, Johansen
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The Stochastic Cash Balance Problem with Average Compensating-Balance Requirements
Management Science, 1975We consider the problem of managing two assets, cash and an earning asset, when net cash flows are stochastic and when there are transfer costs for transferring assets from one form to the other. Previous work on the stochastic cash-balance problem has assumed holding costs for holding excess cash and penalty costs for holding insufficient cash, with ...
Hausman, Warren H. +1 more
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Power requirements for high-average power FELs
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1995The article of record as published may be found at https://doi.org/10.1016/0168-9002(94)01586 ...
Lyon, R.A., Colson, W.B.
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Perceptual averaging of facial expressions requires visual awareness and attention
Consciousness and Cognition, 2018Humans, as highly social animals, are regularly exposed to the faces of conspecifics-often more than one at a time. This feature of social living is important for understanding face perception, not just because it means that information from faces is available in bulk, but also because it changes the way individuals are perceived.
Elric, Elias +2 more
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Environmental Geochemistry and Health, 2022
Calcium (Ca) and magnesium (Mg) in drinking water and the relevant health effects have been ignored for too long. This study aims to reveal the concentrations, spatial distributions, origins and contributions to the daily estimated average requirements of Ca and Mg in public drinking water.
Hao, Peng +4 more
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Calcium (Ca) and magnesium (Mg) in drinking water and the relevant health effects have been ignored for too long. This study aims to reveal the concentrations, spatial distributions, origins and contributions to the daily estimated average requirements of Ca and Mg in public drinking water.
Hao, Peng +4 more
openaire +2 more sources