Results 61 to 70 of about 102,525 (205)

Defragmentasi Struktur Berpikir Siswa Impulsif dalam Memecahkan Masalah Geometri

open access: yesJurnal Pendidikan: Teori, Penelitian, dan Pengembangan, 2020
: This study aims to describe the defragmentation process of impulsive student’s thinking structures in solving geometry problems. This research was conducted on two students of 9th grade of SMPN 1 Puncu.
Puspita Ayu Damayanti   +2 more
doaj   +1 more source

Thermodynamic formalism for contracting Lorenz flows

open access: yes, 2009
We study the expansion properties of the contracting Lorenz flow introduced by Rovella via thermodynamic formalism. Specifically, we prove the existence of an equilibrium state for the natural potential $\hat\phi_t(x,y, z):=-t\log J_{(x, y, z)}^{cu}$ for
A. Rovella   +39 more
core   +2 more sources

Organophosphide: Eine neue Klasse der Luminophorliganden für Kupfer(I)‐Carben‐basierte TADF‐Emitter und Photokatalysatoren

open access: yesAngewandte Chemie, Volume 138, Issue 13, 23 March 2026.
Der Einsatz von Dimesitylphosphid als höheres Homolog der etablierten Amidoliganden für Charge‐Transfer‐Kupfer(I)‐Komplexe führt zu einer Rotverschiebung der Emission um 3645 cm–1 in den rot‐orangen Spektralbereich im Festkörper sowie in den NIR‐Bereich in Lösung. Die thermisch‐aktivierte verzögerte Fluoreszenz weist hohe Dissymmetriefaktoren von glum =
Paul C. Ruer   +2 more
wiley   +1 more source

Geometry over composition algebras: Projective geometry

open access: yesJournal of Algebra, 2006
The purpose of this article is to introduce projective geometry over composition algebras : the equivalent of projective spaces and Grassmannians over them are defined. It will follow from this definition that the projective spaces are in correspondance with Jordan algebras and that the points of a projective space correspond to rank one matrices in ...
openaire   +3 more sources

W-geometries [PDF]

open access: yesPhysics Letters B, 1992
It is shown that, classically, the W-algebras are directly related to the extrinsic geometry of the embedding of two-dimensional manifolds with chiral parametrisation (W-surfaces) into higher dimensional K hler manifolds. We study the local and the global geometries of such embeddings, and connect them to Toda equations.
Gervais, Jean-Loup, Matsuo, Yutaka
openaire   +2 more sources

Is the Infection of the SARS-CoV-2 Delta Variant Associated With the Outcomes of COVID-19 Patients? [PDF]

open access: yesFront Med (Lausanne), 2021
Gunadi   +34 more
europepmc   +2 more sources

Komponen Penting Representasi Internal Pada Berpikir Spasial

open access: yesJurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika, 2017
Tulisan ini bertujuan untuk memaparkan komponen representasi internal. Terdapat dua komponen penting pada representasi internal yaitu distorsi dan abstraksi.
Feny Rita Fiantika   +2 more
doaj   +1 more source

Distanzabhängiger Energietransfer zwischen organischen Fluorophoren und einwandigen Kohlenstoffnanoröhren

open access: yesAngewandte Chemie, Volume 138, Issue 12, 16 March 2026.
Wir zeigen, dass hybridisierte dsDNA eine senkrechte Ausrichtung zu SWCNTs einnimmt, und präsentieren eine abstandsabhängige Übertragung der Energie von Fluoreszenzfarbstoffen auf SWCNTs. Der Energietransfer von Kohlenstoffnanoröhren (CNET) folgt einer d−5‐Abhängigkeit mit einem charakteristischen Abstand von 7,4 nm (± 0,7 nm) für 50 % Energietransfer.
Izabela Kamińska   +7 more
wiley   +1 more source

Spinning geometry = Twisted geometry [PDF]

open access: yesClassical and Quantum Gravity, 2014
22 pages, 5 figures, published ...
Freidel, Laurent, Ziprick, Jonathan
openaire   +2 more sources

SISTEMI AUTOMATICI DI RICONOSCIMENTO PER LE GEOMETRIE DEI CODICI A BARRE

open access: yesRatio Mathematica, 1994
Questo lavoro nasce come logica prosecuzione dell'articolo Un'indagine sull'uso dei sistemi di lettura (codici a barre) nel settore del commercio, pubblicato nel numero 1 di Ratio Alarhemau‘ca c del quale si dà qui nel seguito un breve riassunto.
Giovanni Ippoliti, Domenico Marconi
doaj  

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