Results 61 to 70 of about 369,271 (248)

Cuantificación de la erosión en un camino forestal de un bosque típico mediterráneo de Quercus Suber [PDF]

open access: yes, 1998
Se ha instalado una parcela experimental en un camino forestal de un bosque típico mediterráneo de "Quercus suber" para el control de la erosión.
Reina, Lourdes   +2 more
core   +1 more source

Impact of Sustainable Binders Based on Lignin and Collagen on the Volume Stability and Mechanical Properties of MgO‐C Refractories with MgO‐C Recyclates

open access: yesAdvanced Engineering Materials, EarlyView.
Collagen hydrolysate is evaluated as a sustainable binder for MgO‐C refractories. Its thermally induced cross‐linking and gas release lead to expansion and cracking in large bricks, but tailored batches with lignin, recyclates, or fine graphite improve the gas release while thermal treatment and stability.
Till M. J. Stadtmüller   +8 more
wiley   +1 more source

Evolución morfológica y morfométrica de los conos volcánicos monogenéticos de los campos volcánicos de Payún Matrú, Llancanelo y Cuenca del Río Salado [PDF]

open access: yes, 2017
Los conos monogenéticos de los campos volcánicos de Payún Matrú, Llancanelo y cuenca del río Salado se caracterizan por una gran diversidad morfológica que está relacionada con factores genéticos (tipo de magma, topografía previa, tipo de erupción) y ...
González Blazek, Verónica Lourdes
core  

Flume experiments on the equilibrium of sand-gravel bed rivers [PDF]

open access: yes, 2019
Se describe una instalación de laboratorio que permite realizar ensayos en canal con alimentación separada de arena y grava, como es caracterísitico de los lechos de muchos ríos. Se hacen ensayos de gran duración, en que el transporte como carga de fondo
Martín Vide, Juan Pedro   +1 more
core   +3 more sources

Development of Sustainable MgO–C Refractories Using MgO–C Recyclates and a Novel Eco‐Friendly Fructose–Tannin Binder Crosslinked With Citric Acid

open access: yesAdvanced Engineering Materials, EarlyView.
This study develops sustainable MgO–C refractories using recycled materials and eco‐friendly fructose–tannin binders. The enhanced performance of citric acid as a cross‐linker and functional additives on mechanical and thermomechanical properties was examined. Characterization included strength tests, immersion trials, and microstructural and inclusion
Dinesh K. Gunasekar   +7 more
wiley   +1 more source

Numerical Exploration of Thermal Shock Resistance in MgO–C Refractories

open access: yesAdvanced Engineering Materials, EarlyView.
A mesostructure‐resolved numerical framework is developed to evaluate the thermal shock resistance of MgO–C refractories. By modeling interface debonding under rapid temperature changes and introducing a modified thermal shock parameter that accounts for mesocracks, the study shows how graphite content and aggregate size influence thermal shock ...
Jishnu Vinayak Gopi   +3 more
wiley   +1 more source

Arbuscular mycorrhiza and their effect on the soil structure in farms with agroecological and intensive management

open access: yesActa Agronómica, 2015
Arbuscular mycorrhizal fungi help to reduce the damage caused by erosion and maintain soil structure through the production of mycelium and adhering substances.
Juan David Lozano Sánchez   +2 more
doaj   +1 more source

Control de la erosión en desmontes originados por obras de infraestructura viaria : aplicación al entorno de Palencia capital

open access: yes, 2002
En este trabajo se estudia el problema erosivo en la red viaria desde un punto de vista histórico, socioeconómico y de seguridad del tránsito. Se realiza un inventario exhaustivo de los métodos de control de erosión y sedimentos en las obras de ...
Navarro Hevia, Joaquín
core   +1 more source

Evaluación de la erosión hídrica laminar mediante análisis dendrogeomorfológico de raíces expuestas [PDF]

open access: yes, 2008
Se estudia la capacidad y potencia del método de análisis dendrocronológico en la estimación de la erosión ...
Rubiales Jimenez, Juan Manuel
core  

Copper Nanocrystallization in Anodic Oxide Films of Ti–Cu‐Based Bulk Metallic Glass and Its Effect on the Corrosion Resistance and Cytocompatibility

open access: yesAdvanced Engineering Materials, EarlyView.
Viktoriia Shtefan, Thorgund Nemec, Ute Hempel, Annett Gebert and coworkers demonstrate that anodic treatment of Ti–Cu‐based metallic glass in a nontoxic pyrophosphate electrolyte forms a protective bilayered Ti/Zr‐oxide film enriched with Cu nanocrystals.
Viktoriia Shtefan   +8 more
wiley   +1 more source

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