Results 31 to 40 of about 209,980 (188)

Synthesis of SnS/SnO Nanostructure Material for Photovoltaic Application

open access: yesEast European Journal of Physics, 2023
Research Highlights Successfully synthesized SnS/SnO nanostructured material using successors ionic layer absorption and reaction (SILAR) technique.
Egwunyenga N. Josephine   +2 more
doaj   +1 more source

Chemical aspects related to using recycled geopolymers as aggregates [PDF]

open access: yes, 2018
This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.Despite extensive research ...
Andrew Heath   +7 more
core   +2 more sources

Sciatic neuropathy with preserved sensory nerve action potentials, a case series [PDF]

open access: yes, 2020
Background: Sciatic neuropathy is differentiated from lumbosacral radiculopathy based on the finding of abnormal sensory nerve action potentials (SNAPs). Cases of sciatic neuropathy with intact SNAPS have not been well described. Methods: A retrospective
Li, Yuebing   +2 more
core   +2 more sources

Monitoring Galvanic Replacement Through Three-Dimensional Morphological and Chemical Mapping

open access: yes, 2014
Galvanic replacement reactions on metal nanoparticles are often used for the preparation of hollow nanostructures with tunable porosity and chemical composition, leading to tailored optical and catalytic properties. However, the precise interplay between
Bals, Sara   +4 more
core   +1 more source

Multi-response optimization of magnetic field assisted EDM through desirability function using response surface methodology

open access: yesJournal of the Mechanical Behavior of Materials, 2020
Magnetic field assisted electrical discharge machining (MFAEDM) is the modification of in conventional EDM process by use of magnetic field on EN-31. This article explain the application of response surface methodology to analyzes the effect of various ...
Kumar Anish, Sharma Renu
doaj   +1 more source

Microscopic analysis of the chemical reaction between Fe(Te,Se) thin films and underlying CaF$_2$

open access: yes, 2012
To understand the chemical reaction at the interface of materials, we performed a transmission electron microscopy (TEM) observation in four types of Fe(Te,Se) superconducting thin films prepared on different types of substrates: CaF2 substrate, CaF2 ...
A Ichinose   +11 more
core   +1 more source

Complex Pt/Al2O3 materials for small catalytic systems [PDF]

open access: yes, 2007
This paper reports on the preparation of catalytic materials composed of a porous metallic preform containing winding microchannels whose surface is coated by a complex catalytic film. Al2O3 is deposited inside the pores by means of wet impregnation in a
Alphonse, Pierre   +4 more
core   +3 more sources

Morphological and chemical study of recycled synthetic rubber tire crumbs by using scanning electron microscopy and energy dispersive analysis

open access: yesZaštita Materijala, 2017
The present paper aims to investigate the structure and chemistry of recycled synthetic rubber tire crumbs. It comprises the microscopic structure description of rubbers, separation of component phases and determination of chemical elements of additives ...
Kreshnik Hakrama   +2 more
doaj   +1 more source

A case study of work-based learning through the design of edX MOOCs for Latin America and the Caribbean

open access: yesOpen Praxis, 2020
This exploratory case study analyzed the reported learning experiences among the multidisciplinary practitioners employed in the development of edX courses for a pioneering MOOC program targeted at Latin America and Caribbean.
Fabián Freire
doaj   +1 more source

Coal Ash as a Low Cost Adsorbent for the Removal of Xylenol Orange from Aqueous Solution [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2014
The removal ofxylenol orange from aqueous solution onto the coal ash was investigated at room temperature. The results show that the adsorption capacity of xylenol orange increased as the adsorption time increased and then equilibrium established after ...
Mohammad Ishaq   +4 more
doaj  

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