Results 11 to 20 of about 564,462 (289)

Stabilization of bonding force during ultrasonic wire and ribbon bonding [PDF]

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2021
To improve the quality of ultrasonic wire and ribbon bonding, the author propose a methodology for stabilizing the bonding force by compensating the rigidity of ultrasonic transducer (UST) mount in the ultrasonic / thermosonic bonding cycle.
Igor Petuhov
doaj   +2 more sources

2-PROPIONYLTHIOPHENE: PLANAR, OR NOT PLANAR, THAT IS THE QUESTION [PDF]

open access: yesProceedings of the 2021 International Symposium on Molecular Spectroscopy, 2020
Non-planarity of 2-propionylthiophene proven by the microwave spectroscopy – quantum chemistry duet.
Dindic, Christina   +2 more
openaire   +5 more sources

k-L(2, 1)-labelling for planar graphs is NP-complete for k>=4 [PDF]

open access: yes, 2009
A mapping from the vertex set of a graph G=(V,E) into an interval of integers {0,...,k} is an L(2,1)-labelling of G of span k if any two adjacent vertices are mapped onto integers that are at least 2 apart, and every two vertices with a common ...
Havet, F, Eggemann, N, Noble, S D
core   +7 more sources

Fitting Planar Graphs on Planar Maps [PDF]

open access: yesJournal of Graph Algorithms and Applications, 2014
Graph and cartographic visualization have the common objective to provide intuitive understanding of some underlying data. We consider a problem that combines aspects of both by studying the problem of fitting planar graphs on planar maps. After providing an NP-hardness result for the general decision problem, we identify sufficient conditions so ...
Md. Jawaherul Alam   +3 more
openaire   +2 more sources

Optimal Design of Planar Paraller Manipulators 3 RRR Through Lower Energy Consumption

open access: yes, 2009
Organised by: Cranfield UniversityIn most existing studies, the solutions of planar parallel manipulators are restricted to a feasible region of solution. This research provides an optimal solution in link dimension of planar parallel manipulators to a
Ledezma-Rubio, Y. A.   +1 more
core   +7 more sources

The nonsolvability by radicals of generic 3-connected planar Laman graphs. [PDF]

open access: yes, 2007
We show that planar embeddable -connected Laman graphs are generically non-soluble. A Laman graph represents a configuration of points on the Euclidean plane with just enough distance specifications between them to ensure rigidity.
Power, Stephen C., Owen, J. C.
core   +4 more sources

Non-Planar 3D Printed Elements on Textile Substrate Using a Fused Filament Fabrication 3D Printer

open access: yesAUTEX Research Journal, 2022
Adhesion between additively printed elements on textiles is one of the most important quality characteristics. Applied elements must form very good adhesion with the textile substrate in order to produce functional textiles.
Muenks Dominik   +2 more
doaj   +1 more source

Method of Selecting the Operation Parameters of Electric Spindle with Aerostatic Supports for Separation of Semiconductor Plates to Crystals. Parts 2–3

open access: yesМеханика машин, механизмов и материалов, 2021
The article presents the results of studies of the shaft oscillation processes of a precision horizontal highspeed electric spindle with aerostatic radial and axial supports, used at Planar OJSC in equipment for separation of semiconductor plates into ...
Alexander E. Kovensky   +2 more
doaj   +1 more source

(k, p)-Planarity: A Relaxation of Hybrid Planarity [PDF]

open access: yesTheoretical Computer Science, 2018
We present a new model for hybrid planarity that relaxes existing hybrid representations. A graph $G = (V,E)$ is $(k,p)$-planar if $V$ can be partitioned into clusters of size at most $k$ such that $G$ admits a drawing where: (i) each cluster is associated with a closed, bounded planar region, called a cluster region; (ii) cluster regions are pairwise ...
Di Giacomo, E   +4 more
openaire   +7 more sources

Influence of Planar Discontinuities on the Sheet Adhesive Joint Strength [PDF]

open access: yesJournal of Structural and Construction Engineering, 2018
Over the years, prediction of adhesive joint strength has attracted much attention in the scientific and industrial research. In this research, the influence of planar discontinuities on the sheet adhesive joint strength was examined.
Pouyan Ghabezi, Mohammadreza Farahani
doaj   +1 more source

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