Results 41 to 50 of about 254,621 (262)
The -annihilating-ideal hypergraph of commutative ring
AKCE International Journal of Graphs and Combinatorics, 2019 The concept of the annihilating-ideal graph of a commutative ring was introduced by Behboodi et. al in 2011. In this paper, we extend this concept to the hypergraph for which we define an algebraic structure called -annihilating-ideal of a commutative ...
K. Selvakumar, V. Ramanathan
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Applying the Czédli-Schmidt Sequences to Congruence Properties of Planar Semimodular Lattices
Discussiones Mathematicae - General Algebra and Applications, 2021 Following Grätzer and Knapp, 2009, a planar semimodular lattice L is rectangular, if the left boundary chain has exactly one doubly-irreducible element, cl, and the right boundary chain has exactly one doubly-irreducible element, cr, and these elements ...
Grätzer G.
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Механика машин, механизмов и материалов, 2022 The article presents the results of the analysis of preliminary studies of mechanical vibrations with a natural frequency of the object stage of the probe equipment.
Alexei V. Kozinets +2 more
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Algebraic & Geometric Topology, 2022 We prove two results on the classification of trivial Legendrian embeddings $g: G \rightarrow (S^3, _{std})$ of planar graphs. First, the oriented Legendrian ribbon $R_g$ and rotation invariant $\text{rot}_g$ are a complete set of invariants. Second, if $G$ is 3-connected or contains $K_4$ as a minor, then the unique trivial embedding of $G$ is ...
Lambert-Cole, Peter, O'Donnol, Danielle
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FEBS Letters, EarlyView.Structural and biochemical characterisations show that the planar cell polarity (PCP) protein Inturned harbours a unique PDZ‐like domain that does not bind canonical PDZ‐binding motifs (PBMs) like that of another PCP protein Vangl2. In contrast, the apical‐basal polarity protein Scribble contains four PDZ domains that bind Vangl2, but one PDZ domain ...
Stephan Wilmes +4 more
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Planar Four-Port Dual Circularly-Polarized MIMO Antenna for Sub-6 GHz Band
IEEE Access, 2020 In this work, two configurations (Config.-A and Config.-B) of planar four-port dual circularly-polarized (CP) multiple-input-multiple-output (MIMO) antenna are proposed for sub-6 GHz (3.4-3.8 GHz) applications.
Shobhit Saxena +5 more
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Механика машин, механизмов и материалов, 2023 The article presents the results of studies, the analysis of which made it possible to identify features that affect the duration of the main periods of horizontal movement by the carriage drive with the object stage of the probe control equipment, the ...
Alexei V. Kozinets +2 more
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Structural insights into an engineered feruloyl esterase with improved MHET degrading properties
FEBS Letters, EarlyView.A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa +5 more
wiley +1 more source
Method of calculating the parameters of ultrasonic super-high-frequency transducers
Технологія та конструювання в електронній апаратурі, 2013 The paper presents a method of calculating the parameters of half-wave package ultrasonic piezoelectric emitters and step waveguides, which has an error no more than 6—8%.
V. L. Lanin, I. B. Petukhov
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Design of planar four-antenna system for single soldier handheld terminal
Dianzi Jishu Yingyong, 2021 The planar integration design of the antenna system for soldier terminals is presented in this paper based on the requirements of the miniaturization and high integration. A four-antenna system including recieving and transmitting Ad-Hoc network antennas,
Zhou Wenhui
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