Results 31 to 40 of about 9,012,290 (296)
Estimation of volumetric accuracy based on linear error motion in machining centers
Nihon Kikai Gakkai ronbunshu, 2019 ISO230-1, an international standard of test code for machine tools, has been revised for the first time in 16 years. A volumetric accuracy for three linear axes was defined as a term of multi-axes motion in the revision of ISO 230-1.
Akinori SAITO, Hayato AKAIKE
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Linear Motors Take Center Stage [PDF]
Mechanical Engineering, 1998 Linear motors offer significant advantages over ball screws and rack-and-pinion systems as they can produce high forces without sacrificing speed or precision. Driven by electricity, linear motors provide direct linear motion without the potential complications associated with pneumatic and hydraulic systems, and without mechanical linkages such as ...
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Alzheimer Disease and Associated Disorders, 2017 Introduction: The neuropsychological battery of the Uniform Data Set (UDSNB) was implemented in 2005 by the National Institute on Aging (NIA) Alzheimer Disease Centers program to measure cognitive performance in dementia and mild cognitive impairment due
S. Weintraub +18 more
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IEEE Access, 2023 This paper studies the drone-aided last-mile delivery problem with shared depot resources. Our research motivation comes from E-commerce logistics, where big companies such as Amazon, are already filing up patents for the development of drone-friendly ...
Maria Elena Bruni +2 more
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Hamiltonian linear type centers of linear plus cubic homogeneous polynomial vector fields
Journal of Differential Equations, 2021 Agraïments: The first author has been supported by AGAUR FI-DGR 2010. The third author has been supported by AGAUR PIV-DGR-2010, FCT grant PTDC/MAT/117106/2010 and through CAMG SD. We provide normal forms and the global phase portraits in the Poincaré disk for all the Hamiltonian non-degenerate centers of linear plus cubic homogeneous planar polynomial
Colak, Ilker +2 more
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Acta Agriculturae Slovenica, 2015 In this contribution, the economics of an equestrian centre, which in addition to a variety of riding school activities also includes breeding and livery, are analysed.
Jaka ŽGAJNAR
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The Dynamic Behavior of a Single Semiflexible Ring Chain in a Linear Polymer Matrix
Biophysica, 2023 We studied the dynamic behavior of a single semiflexible ring in linear chain matrix based on a coarse-grained model using the molecular dynamics simulation approach. We found that that ring chains’ hollow centers are frequently filled with linear chains.
Xiaolin Zhou, Yifan Qin
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Method of Chebyshev centers for best linear one-sided \(L_p\)-approximation
Journal of Numerical Analysis and Approximation Theory, 1977 Not available.
I. Maruşciac
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A global isochronous center is linear
, 2021 Let $X$ be a polynomial vector field in $\mathbb{R}^2$ which, after one-point compactification of the plane, has a punctured neighbourhood $\dot U$ of the point at infinity which is foliated by closed orbits of $X$. If the period function of $X$ in $\dot U$ is bounded from below by a positive constant, $X$ is necessarily linear, hence conjugated, up to
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On the Center of Some Finite Linear Groups [PDF]
Proceedings of the American Mathematical Society, 1975 This note proves two results, one in characteristic p p and the other in characteristic zero, which restrict the order of the center of some finite linear groups of degree less than a prime p p which divides the group order.
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