Results 121 to 130 of about 1,060,463 (327)

Analysis and Simulation of the Illumination Optics of Rigid Medical Endoscopes

open access: yesCurrent Directions in Biomedical Engineering, 2018
Our work focuses on enhancing the illumination optics of a rigid medical endoscope using optomechanical simulation. We aim on improving the efficiency of the illumination optics to provide more light in the surgeon’s field of view (FOV) and therefore ...
Gaertner Alexander, Belloni Paola
doaj   +1 more source

DeLight-Net: Decomposing Reflectance Maps into Specular Materials and Natural Illumination

open access: yes, 2016
In this paper we are extracting surface reflectance and natural environmental illumination from a reflectance map, i.e. from a single 2D image of a sphere of one material under one illumination. This is a notoriously difficult problem, yet key to various
Fritz, Mario   +5 more
core  

Copper‐based Materials for Photo and Electrocatalytic Process: Advancing Renewable Energy and Environmental Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida   +16 more
wiley   +1 more source

Copper Doping Enhances the Activity and Selectivity of Atomically Precise Ag44 Nanoclusters for Photocatalytic CO2 Reduction

open access: yesAdvanced Functional Materials, EarlyView.
By a simple anti‐Galvanic reaction, up to six copper atoms could be preferably doped into the Ag2(SR)5 staple motifs and Ag20 dodecahedral shell of an atomically precise Ag44(SR)30 nanocluster. When anatase TiO2 is used as substrate, the (AgCu)44/TiO2 photocatalyst exhibited much improved activity in photocatalytic CO2 reduction compared to Ag44/TiO2 ...
Ye Liu   +5 more
wiley   +1 more source

Lo strumentario podologico nella mascalcia medievale. Testi e iconografia

open access: yesPallas, 2016
In the context of clinical surgery of veterinary medicine, medieval podiatry played a key role both for disease incidence and for evolution, and therefore the success, of therapeutic treatments. The paper aims to investigate the surgical instruments used
Lia Brunori Cianti, Luca Cianti
doaj   +1 more source

Blue and Red LED Illumination Improves Growth and Bioactive Compounds Contents in Acyanic and Cyanic Ocimum basilicum L. Microgreens

open access: yesMolecules, 2017
Microgreens are an excellent source of health-maintaining compounds, and the accumulation of these compounds in plant tissues may be stimulated by exogenous stimuli. While light quality effects on green basil microgreens are known, the present paper aims
A. Lobiuc   +6 more
semanticscholar   +1 more source

Self‐supportive Three‐Way Photoelectrochemical System Achieving Uranium Recycling, Organic Oxidation, and Electricity Generation in Complex Waters

open access: yesAdvanced Functional Materials, EarlyView.
A self‐sustaining solar photoelectrochemical cell (SS‐PEC) is developed to recover uranium from aqueous UO22+ with concurrent organic oxidation and electricity production. The monolithical photoanode directly captures electrons from organic compounds, leading to the oxidation of organic compounds and the decomposition of uranium‐organic complexes ...
Yumei Wang   +7 more
wiley   +1 more source

Uneven illumination surface defects inspection based on convolutional neural network

open access: yes, 2019
Surface defect inspection based on machine vision is often affected by uneven illumination. In order to improve the inspection rate of surface defects inspection under uneven illumination condition, this paper proposes a method for detecting surface ...
Gao, Wenbin, Wu, Hao, Xu, Xiangrong
core  

Light‐Controlled Reversible Coassembly of Hybrid Functional Nanostructures

open access: yesAdvanced Functional Materials, EarlyView.
Light‐responsive hybrid nanostructures are formed by coassembling azobenzene‐ and PAH‐functionalized nanoparticles through reversible an tunable π interactions. The system enables tunable coupling between distinct components such as gold and magnetite or carbon nanotubes, producing switchable optical and magnetic properties under light and magnetic ...
Michal Sawczyk   +5 more
wiley   +1 more source

The Universal Light, or the Only Way to the Father? Universalism and Exclusivism in John’s Provocative Christology

open access: yesReligions
Among the most perplexing of John’s theological riddles is question of salvific universalism and particularity. John is both the greatest biblical source of Christian universalism and the greatest source of Christian exclusivity. After all, the Johannine
Paul N. Anderson
doaj   +1 more source

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