Results 31 to 40 of about 189,806 (266)

Modeling elastic wave propagation in fluid-filled boreholes drilled in nonhomogeneous media: BEM – MLPG versus BEM-FEM coupling [PDF]

open access: yes, 2017
The efficiency of two coupling formulations, the boundary element method (BEM)-meshless local Petrov–Galerkin (MLPG) versus the BEM-finite element method (FEM), used to simulate the elastic wave propagation in fluid-filled boreholes generated by a blast ...
Antonio, J.   +6 more
core   +1 more source

Bio‐Inspired Magnetically Tunable Structural Colors from Elliptical Self‐Assembled Block Copolymer Microparticles

open access: yesAdvanced Functional Materials, EarlyView.
Cephalopod‐inspired photonic microparticles with dynamic structural coloration are fabricated via confined self‐assembly of linear block copolymers into ellipsoids containing stacked lamellae. Embedded superparamagnetic nanoparticles enable rapid magnetic alignment, restoring vivid, angle‐dependent color.
Gianluca Mazzotta   +8 more
wiley   +1 more source

Economia Circular e Indústria 4.0: Áreas de aplicação conjunta

open access: yesExacta
Buscando solucionar a escassez de recursos naturais advindas das revoluções industriais e dos modelos de produções, a integração entre os conceitos e tecnologias habilitadoras com a economia circular, deverão cumprir novas otimizações dos recursos. Este
Carolina Machado Fraguas Soares   +4 more
doaj   +1 more source

Stress analysis of finite anisotropic plates with cutouts under displacement boundary conditions [PDF]

open access: yes, 2015
XI CONGRESO NACIONAL DE MATERIALES COMPUESTOS. Celebrado en Móstoles los días 6, 7 y 8 de julio de 2015The aim of this article is to provide an analytical tool to estímate the stress concentration in anisotropic plates weakened by a circular or ...
Blázquez Gámez, Antonio   +5 more
core  

Ultrasmall Platinum Nanoparticles for Radiation‐Enhanced Cancer Therapy

open access: yesAdvanced Functional Materials, EarlyView.
This work proposes a nanomedicine‐based strategy to enhance X‐ray radiotherapy for cancer treatment. Ultrasmall Pt‐NPs exhibit catalase‐like activity that may contribute to modulation of the tumor microenvironment and amplify interactions between radiation and biological matter, leading to increased DNA damage.
Miguel Encinas‐Gimenez   +8 more
wiley   +1 more source

Trampas de la Economía Circular

open access: yesRevista Kawsaypacha
La Economía Circular, tal y como se recoge con mayor frecuencia en las políticas urbanas, gubernamentales y en el debate científico, suele presentarse como transformadora, pero es reformista en el mejor de los casos. En realidad, la Economía Circular es
Giuseppe Feola
doaj   +1 more source

La economía circular. Una propuesta de futuro para España y Europa. [PDF]

open access: yes, 2018
[Resumen]: El objetivo general de este trabajo es realizar una aproximación técnica de la economía circular en el ámbito de la UE y de España. Fenómeno que experimentó una inusual expansión que coincide en el tiempo con los primeros análisis puramente ...
Varela Menéndez, Jacobo
core  

Low-Noise and High-Efficiency Near-IR SPADs in 110nm CIS Technology [PDF]

open access: yes, 2019
Photon detection at longer wavelengths is much desired for LiDAR applications. Silicon photodiodes with deeper junctions and larger multiplication regions are in principle more sensitive to near-IR photons.
Carmona Galán, Ricardo   +2 more
core   +1 more source

Integrated Visible Light and Oxidant Protection Through Multifunctional Sunscreens

open access: yesAdvanced Healthcare Materials, EarlyView.
High‐energy visible radiation (HEVR), although less energetic than UV light, penetrates deeper into the skin and contributes to photoaging, pigmentation disorders, and oxidative stress. The development of new HEVR‐targeted filters, therefore, represents not only a scientific challenge but also a pressing public health and cosmetic industry need.
Beatriz Peñín   +3 more
wiley   +1 more source

Incorporación de la economía circular en la potabilización [PDF]

open access: yes, 2017
En el marco de un Proyecto de cooperación en Burkina Faso (África), dónde existen problemas de potabilización de agua, se ha propuesto la utilización del residuo de generación aceite de Moringa Oleífera (M. Oleífera) para realizar el tratamiento del agua.
Alonso, Antonio, Amante García, Beatriz
core  

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