Results 141 to 150 of about 19,319 (303)
ISPRS International Journal of Geo-InformationThe comment disputes some of the inferences in the paper “Helmert Transformation Problem. From Euler Angles Method to Quaternion Algebra”, published in this journal. The key points in the dissent are the following: (1) The number of unknown parameters in
George Pantazis, Stefania Ioannidou
doaj +1 more source
Geometric algebra based recurrent neural network for multi-dimensional time-series prediction. [PDF]
Front Comput Neurosci, 2022 Li Y, Wang Y, Wang Y, Qian C, Wang R.
europepmc +1 more source
ELECTROPHORESIS, EarlyView.ABSTRACT The first patent to describe dielectrophoresis (DEP) as a means and process to separate particles from a mixture was granted by the US Patent Office to Henry Stafford Hatfield in 1924. The novel methods of sample preparation and designs of electrode geometry covered by the patent's disclosures and claims describe the basis for most present‐day
Ronald Pethig
wiley +1 more source
Witt rings of quaternion algebras
Journal of Algebra, 1986 AbstractThis paper has been motivated by an article of T. Craven (J. Algebra77 (1982), 74–96) in which the author defines a Witt ringW(D) for a skew field D. When D is commutative, then this newly defined ring is the classical Witt ring of quadratic forms over D and its properties are well known. Our main concern is the Witt ringsW(D) of the quaternion
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eCherry: A Modelica Library for Modular Dynamic Modelling of Electrochemical Reactors
Electrochemical Science Advances, EarlyView.ABSTRACT Electrochemical reactors offer promising pathways for defossilizing the chemical industry. To understand the operation as well as to evaluate and optimise their performance and efficiency, modelling presents a crucial tool. Currently, no comprehensive open‐source library for dynamic modelling of electrochemical reactors exists, and instead ...
Jan F. Pyschik +8 more
wiley +1 more source
Differentiated policy implementation in food safety and animal welfare policymaking
European Policy Analysis, EarlyView.Abstract Agri‐food policies are in the midst of far‐reaching transitions, including the transformation towards sustainable production and food consumption. The European Green Deal and Farm to Fork Strategy prioritize food safety and animal welfare issues, aiming to transform food systems towards more sustainability.
Giulia Bazzan, Colette S. Vogeler
wiley +1 more source
Energy Science &Engineering, EarlyView.ABSTRACT In power networks, low‐frequency oscillations—particularly inter‐area oscillations—pose a serious threat to system stability because of disruptions like short‐circuit faults and the increasing use of renewable energy sources like wind farms. To lessen the negative impacts of time delays when sending distant signals, this study presents a novel
Mehrdad Ahmadi Kamarposhti +4 more
wiley +1 more source
On application of algebra of quaternions I [PDF]
International Journal of Scientific and Research Publications (IJSRP), 2021 Ismail .M.Mohamed, Emran Sasi Althabit
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