Results 81 to 90 of about 775,463 (344)

Method of Selecting the Operation Parameters of Electric Spindle with Aerostatic Supports for Separation of Semiconductor Plates to Crystals. Part 1. Development of a Mathematical Model of Axial Oscillations of the Electric Spindle

open access: yesМеханика машин, механизмов и материалов, 2020
The article presents the results of studies of the mechanism of the occurrence of axial vibrations in the mechanical system “electrospindle shaft with aerostatic bearings – cutting diamond disk – cuttable semiconductor wafer”. A mathematical model of the
Alexander E. Kovensky   +2 more
doaj   +1 more source

Using a Supramolecular Approach to Engineer Modular Hydrogel Platforms for Culturing Protoplasts – from General Tissue Engineering to Cellular Agriculture

open access: yesAdvanced Biology, EarlyView.
Using supramolecular monomers, various hydrogel culture systems were formulated to culture protoplasts; including 2D, 2.5D, and 3D hydrogels. Depending on the culture platform, bioactive functionalization led to protoplast enlargement (2D and 2.5D) or plasmolysis (3D). This work shows the potential to modularly engineer synthetic platforms for cellular
Maritza M. Rovers   +3 more
wiley   +1 more source

Nilpotent graphs with crosscap at most two

open access: yesAKCE International Journal of Graphs and Combinatorics, 2018
Let be a commutative ring with identity. The nilpotent graph of , denoted by , is a graph with vertex set , and two vertices and are adjacent if and only if is nilpotent, where .
A. Mallika, R. Kala
doaj   +1 more source

3D In Vitro Models of Breast Cancer: Current Challenges and Future Prospects Toward Recapitulating the Microenvironment and Mimicking Key Processes

open access: yesAdvanced Biology, EarlyView.
In vitro cancer models are advantageous for studying important processes such as tumorigenesis, cancer growth, invasion, and metastasis. The complexity and biological relevance increase depending on the model structure, organization, and composition of materials and cells.
Kyndra S. Higgins   +2 more
wiley   +1 more source

Kernels in planar digraphs

open access: yesJournal of Computer and System Sciences, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Gutin, Gregory   +3 more
openaire   +7 more sources

Under-Coupling Whispering Gallery Mode Resonator Applied to Resonant Micro-Optic Gyroscope

open access: yesSensors, 2017
As an important sensing element, the whispering gallery mode resonator (WGMR) parameters seriously affect the resonant micro-optic gyroscope (RMOG) performance.
Kun Qian   +7 more
doaj   +1 more source

Perovskite–fullerene hybrid materials suppress hysteresis in planar diodes

open access: yesNature Communications, 2015
Solution-processed planar perovskite devices are highly desirable in a wide variety of optoelectronic applications; however, they are prone to hysteresis and current instabilities.
Jixian Xu   +17 more
semanticscholar   +1 more source

Microphysiological Glomerular Filtration Barriers: Current Insights, Innovations, and Future Applications

open access: yesAdvanced Biology, EarlyView.
The glomerular filtration barrier (GFB) is the first step of blood filtration by the kidneys. The concerning increase of kidney diseases makes the development of new models essential. In this context, microphysiological glomerular filtration barriers focus on closely reproducing the physiological architecture of the in vivo GFB: podocytes, glomerular ...
Manon Miran   +5 more
wiley   +1 more source

Design of Quad-Port Ultra-Wideband Multiple-Input-Multiple-Output Antenna with Wide Axial-Ratio Bandwidth

open access: yesSensors, 2020
This article presents a compact, planar, quad-port ultra-wideband (UWB) multiple-input−multiple-output (MIMO) antenna with wide axial ratio bandwidth (ARBW).
Pawan Kumar   +2 more
doaj   +1 more source

Soft‐Layered Composites with Wrinkling‐Activated Multi‐Linear Elastic Behavior, Stress Mitigation, and Enhanced Strain Energy Storage

open access: yesAdvanced Engineering Materials, EarlyView.
In this study, exciting new bi‐/multi‐linear elastic behavior of soft elastic composites that accompany the activation of wrinkling in the embedded interfacial layers is analyzed. The new features and performance of these composite materials, including dramatic enhancements in energy storage, can be tailored by the concentration of interfacial layers ...
Narges Kaynia   +2 more
wiley   +1 more source

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