Results 81 to 90 of about 21,122 (292)
A Dislocation Perspective on Strength and Toughness in Ceramics
Dislocations in ceramics enjoy a long but yet under‐appreciated history. The three research waves for dislocations in ceramics highlight the topic evolution over the last 90 years. This review focuses on the impact of dislocation on strength and toughness in ceramics.
Xufei Fang
wiley +1 more source
Elliptic curves with common torsion $x$-coordinates and hyperelliptic torsion packets
We establish a connection between torsion packets on curves of genus $2$ and pairs of elliptic curves realized as double covers of the projective line $\mathbb{P}_{x}^{1}$ that have many common torsion $x$-coordinates.
Fu, Hang, Stoll, Michael
core +1 more source
Torsion Pairs and Simple-Minded Systems in Triangulated Categories [PDF]
Let T be a Hom-finite triangulated Krull-Schmidt category over a field k. Inspired by a definition of Koenig and Liu, we say that a family S of pairwise orthogonal objects in T with trivial endomorphism rings is a simple-minded system if its closure under extensions is all of T.
openaire +3 more sources
Methyl 2,2-diphenyl-2-(prop-2-yn-1-yloxy)acetate
The molecular structure of the title compound, C18H16O3, exhibits a new R2–C(COOMe)(OCH2CCH) group. The C—O—C—C torsion angle is 153.3 (1)°.
A. R. Ramesha +4 more
doaj +1 more source
This article presents an experimental and numerical modal investigation of composite sandwich structures using surfboards as model systems. By comparing different core materials and reinforcement strategies, the study demonstrates how local stiffeners influence vibrational response and introduce characteristic modal features, highlighting modal ...
Brett Connellan +4 more
wiley +1 more source
Support $τ_2$-tilting and 2-torsion pairs
Supplants arXiv:1808.05184. 14 pages.
openaire +2 more sources
3,3-Dichloro-1-(chloromethyl)indolin-2-one
In the title compound, C9H6Cl3NO, the pyrrole ring is almost coplanar with the benzene ring [dihedral angle = 1.90 (9)°], while the Cl—C—N—C torsion angle is 98.78 (17)°. In the crystal,
Yao Wang +3 more
doaj +1 more source
Design and Analysis of Compression–Torsion Coupling Metamaterials Using the Golden Section Method
A novel compression–torsion metamaterial is engineered using inclined rods and symmetry breaking. To optimize its torsional performance, the golden section method is employed. The mechanical response of the metamaterial is validated through both numerical analysis and experimental validation.
Amirhossein Hassani, Sara Bagherifard
wiley +1 more source
Geometry of Almost Pure Metric Pseudo-F-Manifolds: Insights from Walker 4-Manifolds
This article investigates the geometric and structural properties of almost pure metric pseudo-F-manifolds, with a focus on Walker 4-manifolds. We analyze integrability conditions and characterize pure metric pseudo-F-Kählerian Walker manifolds ...
Yanlin Li +4 more
doaj +1 more source
rac-1,2,3,4-Tetrahydro-1,4-methanoanthracene-6,7-dicarbonitrile
The title compound, C17H12N2, comprises a norbornane unit having a dicyanonaphthalene ring fused on one side. Both cyano groups are twisted slightly out of the plane of the naphthalene ring system [C—C—C—C torsion angle = 1 ...
Kew-Yu Chen +4 more
doaj +1 more source

