Results 121 to 130 of about 1,520,174 (245)

Manufacturing Continuous Fiber‐Reinforced Printing Filaments: Development of a Post‐Consolidation Unit

open access: yesAdvanced Engineering Materials, EarlyView.
A novel, temperature‐controlled post‐consolidation unit is developed to test its potential to improve the melt impregnation process used to manufacture continuous fiber‐reinforced filaments for additive manufacturing of high‐performance thermoplastics.
Daniel Beermann   +2 more
wiley   +1 more source

Enfoque holístico para mejorar la utilización de la energía de Jatropha curcas L

open access: yesRevista Técnica de la Facultad de Ingeniería, 2015
Se presenta enfoque holítico de la utilización de la energía de Jatropha curcas L., fácilmente adaptable a cultivos similares. El enfoque consiste de molimiento y maceración caliente, seguida por ondas de choque de presión generadas con altas descargas ...
Anna MarouÅ¡ková, Petr Braun
doaj  

Le cercle de pierres de Sohandi II (compte rendu de fouilles 1984). [PDF]

open access: yes, 1987
El túmulo de piedras de Sohandi II excavado en Julio de 1984, está formado por bloques de pudinga rústicos rodeando una estructura central muy primitiva.
Jacques Blot
core  

Unidirectional Tape‐Based Composites from Hemp and Pineapple Leaf Fiber: Mechanical Performance in Conventional and Bio‐Based Matrices

open access: yesAdvanced Engineering Materials, EarlyView.
The study investigates novel semi‐finished products made of unidirectionally arranged hemp or pineapple leaf fiber‐reinforced composites produced from different matrices. The materials are analyzed in terms of their mechanical and interfacial properties and void content.
Nina Graupner   +22 more
wiley   +1 more source

¿Por qué implementar estudios de largo plazo en el bosque seco tropical del Caribe colombiano?

open access: yesIntropica, 2012
Los ecosistemas secos ocupan casi la mitad del área total de franja tropical y están entre los más amenazados por las actividades humanas a escala global.
Esteban Álvarez   +18 more
doaj  

Simulación de curvas de ruptura para la adsorción de paracetamol a partir de datos obtenidos en estudio termodinámico y cinético [PDF]

open access: yes, 2013
Los productos farmacéuticos considerados, en algunos casos, como contaminantes emergentes, poseen, en general, una alta estabilidad química y térmica y además son biológicamente activos.
Cordero, Tomás   +5 more
core  

Nitride‐Reinforced Metal Matrix Nanocomposite Powders Production by Plasma‐Assisted Thermochemical Treatment of Intermetallic Powders

open access: yesAdvanced Engineering Materials, EarlyView.
This study proposes a new methodology for producing metal matrix nanocomposites in the solid state. The process involves the plasma‐assisted thermochemical treatment of metallic alloy powders. As a proof‐of‐concept, TiN nanoparticles are synthesized directly on the surface of FeTi intermetallic powder particles, enabling the development of the ...
Deivison Daros Paim   +4 more
wiley   +1 more source

Interaction between Molten Al‐Killed Mn–B Steel and Carbon‐Bonded MgO Refractories Based on Recyclates

open access: yesAdvanced Engineering Materials, EarlyView.
High‐temperature interactions between low‐sulfur Al‐killed Mn–B steel and MgO–C refractories (0 and 50 wt% recyclates) are studied via finger immersion tests (1600 °C). Surface‐active elements influence infiltration. MgO/CaS layer forms, along with spinel and calcium silicate.
Matheus Roberto Bellé   +5 more
wiley   +1 more source

Is it possible measure reducing sugar in wines by Fehling Causse Bonnans method, without using neutral lead acetate? [PDF]

open access: yes, 2016
El método oficial argentino para determinar el contenido de azúcares reductores en mostos y vinos es el método Fehling Causse Bonnans. Este método implica la defecación de la muestra para obtener una solución azucarada decolorada y límpida.
Cobos, David   +3 more
core  

Screen‐Printed Flexible Piezoelectric Force Sensor Array with Electromagnetic Interference Shielding

open access: yesAdvanced Engineering Materials, EarlyView.
This article introduces a flexible screen‐printed piezoelectric sensor array designed for low‐frequency healthcare applications such as tactile sensing and cardiovascular monitoring. The device integrates interface electronics enabling the simultaneous acquisition of up to 128 signals, along with flexible EMI shielding that significantly reduces noise ...
Joseph Faudou   +6 more
wiley   +1 more source

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