Results 111 to 120 of about 1,520,174 (245)

Adjustment of Coatings Morphology and Particle Distribution of Layered Silicates by Freeze‐Drying for Improved Gas Barriers

open access: yesAdvanced Engineering Materials, EarlyView.
Freeze‐drying of layered silicate is the key to get coatings with superior gas barrier. Freeze‐drying of layered silicates modified with dodecylamine (DDA) is a highly effective technique for the preparation of barrier pigments that significantly mitigate the permeation of oxygen, water vapor, and hydrogen through polymer films containing these ...
Joshua Lommes   +4 more
wiley   +1 more source

Regularidades cinéticas de la reducción carbotérmica de la laterita ferruginosa del yacimiento Mina Martí, Nicaro

open access: yesMinería y Geología, 2014
La reducción en condiciones no isotérmicas de la mena laterítica ferruginosa de un yacimiento de Nicaro fue estudiada usando en esta ocasión como reductores carbón puro, carbón antracita y finos de carbón coque. Se empleó análisis termogravimétrico en un
Jesús Ortíz-Bárcenas   +1 more
doaj  

Obtención de carbón activado a partir de activación química de pulpa de café y su aplicación en la remoción de colorantes en aguas residuales industriales [PDF]

open access: yes, 2016
El grano de café es sometido a una serie de procesos desde su recolección hasta llegar al consumidor final, este proceso es llamado beneficio del café, durante este proceso se producen variados desechos los cuales representan el 92.5% del peso del grano,
Grisales Motato, Angela Lorena   +1 more
core  

Enabling Digital Continuity in Virtual Manufacturing for Eco‐Efficiency Assessment of Lightweight Structures by Means of a Domain‐Specific Structural Mechanics Language: Requirements, Idea and Proof of Concept

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents a solver‐agnostic domain‐specific language (DSL) for computational structural mechanics that strengthens interoperability in virtual product development. Using a hierarchical data model, the DSL enables seamless exchange between diverse simulation tools and numerical methods.
Martin Rädel   +3 more
wiley   +1 more source

Producción de carbón en la cuña boscosa santafesina : la situación en el distrito Intiyaco, departamento Vera [PDF]

open access: yes, 2018
El presente Trabajo Final Integrador tiene como objetivos dar a conocer el oficio del productor de carbón dentro del desarrollo local, y poner de manifiesto su importancia tanto económica como social dentro del territorio de la Cuña Boscosa Santafesina ...
Martinez, Norberto Claudio
core   +1 more source

Effects of Carbon Nanoparticles on Triboelectro‐Induced Surface Defects

open access: yesAdvanced Engineering Materials, EarlyView.
Carbon nanoparticles added to grease modify the electrocontact behavior. The synergy of particle concentration and electric current dominates the surface damage of metals in contact. Electrical surface damage caused by current leakage is a critical challenge in high‐performance applications such as electric vehicle (EV) drivetrains and wind turbine ...
Mohsen Tajedini   +6 more
wiley   +1 more source

Interactions between Molten High‐Silicon Electrical Steels and Carbon‐Bonded MgO Refractories Based on Recyclates

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines how several molten high‐silicon electrical steels interact with both conventional and recycled MgO–C refractories. For this, various immersion experiments are conducted. In addition to infiltration, a number of mechanisms are identified and explained that control the corrosion of the refractory material.
Lukas Neubert   +7 more
wiley   +1 more source

Facies generadoras de carbón en el Westfaliense superior de la Cuenca Carbonífera Central Asturiana [PDF]

open access: yes, 1986
La Cuenca Carbonífera Central Asturiana constituye una cuenca de antepais individualizada en la Zona Cantábrica durante el Carbonifero Superior coincidiendo con la máxima actividad de la orogenia Hercinica.
Agueda Villar, José A.   +5 more
core   +1 more source

Advancing Research on Biomaterials and Biological Materials with Scanning Electron Microscopy under Environmental and Low Vacuum Conditions

open access: yesAdvanced Engineering Materials, EarlyView.
Herein, environmental scanning electron microscopy (ESEM) is discussed as a powerful extension of conventional SEM for life sciences. By combining high‐resolution imaging with variable pressure and humidity, ESEM allows the analysis of untreated biological materials, supports in situ monitoring of hydration‐driven changes, and advances the functional ...
Jendrian Riedel   +6 more
wiley   +1 more source

Evaluación geoquímico orgánica de carbonesde los mantos inferiores de la mina Paso Diablo, Cuenca del Guasare: potenciales rocas madres de petróleo

open access: yesRevista Técnica de la Facultad de Ingeniería, 2016
Se evaluaron 6 muestras compuestas de carbón, representativas de los mantos 4M (afloramiento, área Los Aceitunos) y 2N, 3H, 3I, 3K y 3M (pozo PSD-032A, área Paso Diablo Sur) de la Formación Marcelina, mina Paso Diablo, municipio Mara, estado Zulia ...
M. Escobar   +6 more
doaj  

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