Results 71 to 80 of about 6,790 (254)

ANATOMICAL STUDY OF SACRAL HIATUS FOR CAUDAL EPIDURAL BLOCK

open access: yesNational Journal of Medical Research, 2012
Introduction: Anatomy of the sacral hiatus is having clinical importance during caudal epidural block. Present study is aimed at determining anatomy of sacrum specially sacral hiatus for caudal epidural block, with the help of morphometric measurements ...
Dhananjay S Patil   +4 more
doaj  

Packing 16, 17 or 18 circles in an equilateral triangle [PDF]

open access: yes, 1995
We present new, efficient packings for 16, 17 and 18 congruent circles in an equilateral triangle. The results have been found by the use of simulated annealing and a quasi-Newton optimization technique, supplemented with some human ...
Melissen, J.B.M., Schuur, P.C.
core   +1 more source

Actinide 4,4′‐Bipyridine‐N,N′‐Dioxide Coordination Polymers: Cationic Framework Structures Templated by Dicyanoaurate and Tetracyanoaurate Counterions

open access: yesEuropean Journal of Inorganic Chemistry, EarlyView.
Th4+ or UO22+ actinides, neutral bipyridine‐N,N’‐dioxide ligands, and anionic cyanoaurate linkers are combined to generate a family of four coordination polymers. ‘Truss bridge’ and square grid cationic frameworks are yielded when using [Au(CN)2]− or [Au(CN)4]−, respectively, indicating a templating effect guided by either aurophilic interactions ...
Sylvain St. Louis   +2 more
wiley   +1 more source

CONTROL OF THE AIRCRAFT FLIGHT VELOCITY VECTOR BASED ON THE ENERGY APPROACH

open access: yesНаучный вестник МГТУ ГА, 2016
This paper presents a method of the aircraft flight velocity vector control synthesis taking into account constraints on the thrust of the power plant, the restriction is made on the basis of the use of the power triangle, representing an equilateral ...
V. P. Kharkov, S. P. Khalyutin
doaj  

COLORING EQUILATERAL TRIANGLES

open access: yesThe Journal of Symbolic Logic
Abstract It is consistent relative to an inaccessible cardinal that ZF+DC holds, the hypergraph of equilateral triangles on a given Euclidean space has countable chromatic number, while the hypergraph of isosceles triangles on $\mathbb {R}^2$ does not.
openaire   +2 more sources

Stereo‐EEG mapping of visual working memory with task‐related high‐gamma modulations

open access: yesEpilepsia, EarlyView.
Abstract Objective We describe a safe, informative, and easy‐to‐implement approach for presurgical mapping of visual working memory (VWM) with stereo‐electroencephalography (SEEG). Methods Twenty‐four patients with drug‐resistant epilepsy, 11–23 years of age, performed a single‐probe change detection VWM task, during SEEG monitoring.
Brian Ervin   +13 more
wiley   +1 more source

As-equilateral-as-possible surface remeshing

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2015
Surface remeshing aims to produce a high-quality mesh from a given input mesh. In this paper, we present a practical approach to isotropic surface remeshing of triangular meshes in an as-equilateral-as-possible (AEAP) manner.
Jiang DU, Yao JIN, Ruofeng TONG
doaj   +1 more source

Exact Computation of the Color Function for Triangular Element Interfaces

open access: yesInternational Journal for Numerical Methods in Fluids, EarlyView.
We propose a robust algorithm, the Front2VOF algorithm, to compute the color function for triangular element interfaces in Front‐Tracking methods on a Cartesian mesh. ABSTRACT The calculation of the volume enclosed by curved surfaces discretized into triangular elements and a cube is of great importance in different domains, such as computer graphics ...
Jieyun Pan   +8 more
wiley   +1 more source

Experimental study of mode characteristics for equilateral triangle semiconductor microcavities

open access: yes, 2003
Equilateral triangle semiconductor microcavities with tensile-strained InGaAsP multi-quantum-well asthe active region are fabricated by the inductively coupled plasma (ICP) etching technique.
Wang Jian   +6 more
core  

Controlling Collective Quasiparticle Dynamics Beyond Decoherence in Topological Interfaces

open access: yesLaser &Photonics Reviews, EarlyView.
Gold nanoparticles placed above a deformed honeycomb plasmonic crystal couple to a chiral topological interface mode. The pseudospin‐split bands ψ+/ ψ− encode spin‐momentum locking, so emitters radiate directionally along the domain wall and share a common phase.
Fatemeh Davoodi
wiley   +1 more source

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