Results 81 to 90 of about 170,454 (272)

A theorem on planar graphs [PDF]

open access: bronze, 1956
W. T. Tutte
openalex   +1 more source

Hybrid Framework Materials: Next‐Generation Engineering Materials

open access: yesAdvanced Engineering Materials, EarlyView.
Hybrid organic–inorganic materials merge the unique properties of organic and inorganic compounds, enabling applications in optoelectronics, gas storage, and catalysis. This review explores metal‐organic frameworks, hybrid organic–inorganic perovskites, and the emerging field of hybrid glasses, emphasizing their structures, functionalities, and ...
Jay McCarron   +2 more
wiley   +1 more source

NIC-Planar Graphs [PDF]

open access: yesarXiv, 2017
A graph is NIC-planar if it admits a drawing in the plane with at most one crossing per edge and such that two pairs of crossing edges share at most one common end vertex. NIC-planarity generalizes IC-planarity, which allows a vertex to be incident to at most one crossing edge, and specializes 1-planarity, which only requires at most one crossing per ...
arxiv  

Vector Bond Graph Method of Kineto- static Analysis for Hybrid Driving Five Linkage Mechanism

open access: yesJixie chuandong, 2016
For improving the reliability and efficiency of the kineto- static analysis for hybrid driving linkage mechanism,the corresponding vector bond graph method is proposed.
Wang Zhongshuang, Wang Xifeng
doaj  

An Examination of Aerosol Jet‐Printed Surface Roughness and its Impact on the Performance of High‐Frequency Electronics

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores aerosol jet‐printed (AJP) surface roughness, its effects on the performance of microwave electronics, and its process contributors. First, an electromagnetic model is vetted for AJP's unique roughness signature. Simulations are built which show process‐induced roughness is as significant as conductor resistivity in driving microwave
Christopher Areias, Alkim Akyurtlu
wiley   +1 more source

平面3-DOF混联机构构型综合及其同构分析

open access: yesJixie chuandong, 2013
Through the application of Assur bar groups method and graph theory,the link classification and link composition are finished to get the most basic kinematic chain’s structure of the planar 3-DOF mechanism with full revolute pairs which has three ...
吴凡, 李瑞琴
doaj  

Mechanical Behavior and Microstructural Changes Associated with Tensile Deformation above the Martensite Start Temperature during Quenching and Subsequent Partitioning of a Low‐Alloy 37SiB6 Steel

open access: yesAdvanced Engineering Materials, EarlyView.
A new experimental setup, incorporating digital image correlation and infrared thermography in combination with inductive‐conductive heating for precise temperature control, is used to analyze the mechanical behavior and microstructural changes of sheet metal under complex thermomechanical test conditions that represent quench and partitioning ...
Christian Illgen   +4 more
wiley   +1 more source

Planar graphs as L-intersection or L-contact graphs [PDF]

open access: yesarXiv, 2017
The L-intersection graphs are the graphs that have a representation as intersection graphs of axis parallel shapes in the plane. A subfamily of these graphs are {L, |, --}-contact graphs which are the contact graphs of axis parallel L, |, and -- shapes in the plane. We prove here two results that were conjectured by Chaplick and Ueckerdt in 2013.
arxiv  

Various heuristic algorithms to minimise the two-page crossing numbers of graphs

open access: yesOpen Computer Science, 2015
We propose several new heuristics for the twopage book crossing problem, which are based on recent algorithms for the corresponding one-page problem. Especially, the neural network model for edge allocation is combined for the first time with various one-
He Hongmei   +3 more
doaj   +1 more source

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