Results 341 to 350 of about 7,794,127 (372)

Changes of brain structure and structural covariance networks in Parkinson's disease with different sides of onset. [PDF]

open access: yesFront Aging Neurosci
Xu T   +13 more
europepmc   +1 more source

Surface Topology and Geometry

2013
This chapter briefly reviews the fundamental concepts and theorems in algebraic topology [1], surface differential geometry [6], and surface Ricci flow [4, 7]. Detailed discussion on Ricci flow on general Riemannian manifolds can be found in [5]. Advanced topics on differential geometry related to Yamabe equations can be found in [9].
Xianfeng David Gu, Wei Zeng
openaire   +3 more sources

Eco-green machining of superalloy A286: Assessment of tool wear morphology and surface topology

, 2021
Unstable crude oil derivatives are among the main substances added to the mineral-based lubricants (MBL). However, the high purification and disposal costs of such lubricants and consequent environmental difficulties are the major drawbacks of cutting ...
S. H. Musavi, B. Davoodi, S. Niknam
semanticscholar   +1 more source

A Low‐Cost 3D Spherical Evaporator with Unique Surface Topology and Inner Structure for Solar Water Evaporation‐Assisted Dye Wastewater Treatment

Advanced Sustainable Systems, 2020
Solar steam generation and adsorption, as promising technologies to tackle water pollution, have gained increasing research interest in recent years.
Baohua Yuan   +9 more
semanticscholar   +1 more source

Effect of surface topology on the wettability of superhydrophobic surfaces

Journal of Dispersion Science and Technology, 2020
In this paper, we develop a numerical model capable of predicting the apparent contact angle and the wetting state of liquid droplets on superhydrophobic surfaces using Surface Evolver.
Assem Elzaabalawy, S. Meguid
semanticscholar   +1 more source

Operational Analysis of Vertiport Surface Topology

Symposium on Dependable Autonomic and Secure Computing, 2020
Urban Air Mobility (UAM) concepts and technologies are being developed to safely enable operations of small, electric-powered or hybrid, pilot-optional, vertical-takeoff-and-landing (VTOL) passenger and cargo aircraft at vertiport facilities in urban and
S. Zelinski
semanticscholar   +1 more source

Topology of Surfaces

2001
The table below lists the number of edges, vertices, and faces of the five Platonic solids. The table shows that for each Platonic solid we have the relation Name of polyhedron Number V of vertices quotation Number E of edges Number F of faces tetrahedron 4 6 4 cube 8 12 6 ...
V. A. Efremovich, V. G. Boltyanskiĭ
openaire   +2 more sources

The surface surfaces

Nature Nanotechnology, 2012
Circularly polarized light can isolate surface states from bulk states in topological insulators, allowing their unique properties to be probed.
Judy J. Cha, Yi Cui
openaire   +3 more sources

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