Results 11 to 20 of about 1,404,150 (268)
Mathematics, 2020 Packing irregular 3D objects in a cuboid of minimum volume is considered. Each object is composed of a number of convex shapes, such as oblique and right circular cylinders, cones and truncated cones.
Alexander Pankratov +2 more
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SSRN Electronic Journal, 2020 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Garrett, Daniel F. +3 more
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An Optimized Covering Spheroids by Spheres
Applied Sciences, 2020 Covering spheroids (ellipsoids of revolution) by different spheres is studied. The research is motivated by packing non-spherical particles arising in natural sciences, e.g., in powder technologies.
Alexander Pankratov +3 more
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Learning From Older Adults to Promote Independent Physical Activity Using Mobile Health (mHealth)
Frontiers in Public Health, 2021 Background: Healthy aging is critically important for several reasons, including economic impact and quality of life. As the population of older adults rapidly increases, identifying acceptable ways to promote healthy aging is a priority.
Camille Nebeker, Zvinka Z. Zlatar
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Radial Gradient Pressure Effects on Flow Behavior in a Dual Volute Turbocharger Turbine
Applied Sciences, 2018 The pressure gradient in the dual volute radial turbocharger turbines is the primary source of the vortices’ formation in rotor passages. The effects of the upstream non-uniform flow conditions on the development of secondary flows are not well known. In
Azadeh Sajedin +2 more
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Optimal Monitoring Design [PDF]
Econometrica, 2020 This paper considers a Principal–Agent model with hidden action in which the Principal can monitor the Agent by acquiring independent signals conditional on effort at a constant marginal cost. The Principal aims to implement a target effort level at minimal cost. The main result of the paper is that the optimal information‐acquisition strategy is a two‐
Georgiadis, George, Szentes, Balazs
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Mechanical Fracture of Aluminium Alloy (AA 2024-T4), Used in the Manufacture of a Bioproducts Plant
Metals, 2023 Aluminium alloy (AA2024-T4) is a material commonly used in the aerospace industry, where it forms part of the fuselage of aircraft and spacecraft thanks to its good machinability and strength/weight ratio.
Luis Fabian Urrego +3 more
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On Optimal Rerandomization Designs [PDF]
Journal of the Royal Statistical Society Series B: Statistical Methodology, 2021 AbstractBlocking is commonly used in randomized experiments to increase efficiency of estimation. A generalization of blocking removes allocations with imbalance in covariate distributions between treated and control units, and then randomizes within the remaining set of allocations with balance.
Johansson, Per +2 more
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Optimal, minimax and admissible two-stage design for phase II oncology clinical trials
BMC Medical Research Methodology, 2020 Background The article aims to compare the efficiency of minimax, optimal and admissible criteria in Simon’s and Fleming’s two-stage design. Methods Three parameter settings (p 1-p 0 = 0.25–0.05, 0.30–0.10, 0.50–0.30) are designed to compare the maximum ...
Fei Qin +7 more
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Plant Extract () as a Green Factory for Biofabrication of Gold Nanoparticles
Natural Product Communications, 2015 This work describes a biofabrication process for gold nanoparticles in which the plant extract ( Bupleurum falcatum ) is used as a reducing agent to convert gold ions to gold nanoparticles.
You Jeong Lee +5 more
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