Results 71 to 80 of about 22,801 (289)

Tangent Line and Tangent Plane Approximations of Definite Integral

open access: yes, 2017
Oftentimes, it becomes necessary to find approximate values for definite integrals, since the majority cannot be solved through direct computation.
Peer, Meghan
core  

A Survey of Interlayer Interaction Models for Graphene and Other 2D Materials

open access: yesAdvanced Materials Interfaces, EarlyView.
Van der Waals interactions arising from electronic polarization at atomically close interfaces generate corrugated interlayer energy landscapes that govern normal and tangential tractions. This review presents an overview of quantum, atomistic, analytical, and continuum modeling approaches, highlighting their roles across length scales in capturing ...
Gourav Yadav   +2 more
wiley   +1 more source

Tangent metric spaces to starlike sets on the plane

open access: yes, 2012
39 pages, 2 ...
Dovgoshey, Oleksiy   +2 more
openaire   +3 more sources

Limits of Pluri–Tangent Planes to Quartic Surfaces [PDF]

open access: yes, 2014
We describe, for various degenerations $S\to Δ$ of quartic $K3$ surfaces over the complex unit disk (e.g., to the union of four general planes, and to a general Kummer surface), the limits as $t\in Δ^*$ tends to 0 of the Severi varieties $V_δ(S_t)$, parametrizing irreducible $δ$-nodal plane sections of $S_t$.
CILIBERTO, CIRO, Dedieu, T.
openaire   +5 more sources

The stability of the variable-density Kelvin-Helmholtz billow [PDF]

open access: yes, 2008
We perform a three-dimensional stability analysis of the Kelvin-Helmholtz billow, developing in a shear-layer between two fluids with different density.
Fontane, Jérôme, Joly, Laurent
core   +1 more source

Large‐Area Printed PEDOT:PSS Shielding and Frequency Selective Surface (FSS) on Textiles

open access: yesAdvanced Materials Interfaces, EarlyView.
An all‐polymer e‐textile frequency selective surface (FSS) can present controlled shielding, presenting a competitive alternative to metal‐based inks. The results show how PEDOT: PSS‐based e‐textiles could be applied in RF devices for future wearable applications.
Benjamin King, Mahmoud Wagih
wiley   +1 more source

Positively curved surfaces with no tangent support plane

open access: yes, 2005
We discuss a characterization of positively curved surfaces M with the property that at each point the tangent plane to M is not a support plane for the entire surface.
John McCuan
core  

Two‐Way Shape Memory Polymer Composite Gripper for Adaptive Robotic Applications

open access: yesAdvanced Materials Technologies, EarlyView.
A two‐way shape memory polymer (SMP) composite is developed with intrinsic shape‐changing capability driven solely by temperature, eliminating external actuation loads. Embedding the SMP in a low‐stiffness elastomeric matrix enabled reversible transformations during heating and cooling cycles.
Aamna Hameed, Kamran Ahmed Khan
wiley   +1 more source

Tangent to a surface

open access: yes, 2011
Surfaces, tangente plane, normalThis shows the tangent plane and normal to a surface at a pointComponente Curricular::Educação Superior::Ciências Exatas e da Terra ...
Chang, Yu-Sung, Bryant, Jeff
core   +1 more source

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