Results 51 to 60 of about 233,044 (245)

Feasibility of Nitrogen as a Carrier Gas for Inconel Cold Spray in Hydropower Application

Advanced Engineering Materials, EarlyView.
N2, despite being nearly two orders of magnitude cheaper than He, is a feasible carrier gas for cold spray Inconel coatings in hydropower repair applications when higher gas temperature and pressure are used. Reducing powder size significantly improved cavitation resistance, while the addition of fine chromium carbide particles further enhanced erosion
Tianhao Wang, Mayur Pole, Tingkun Liu, Kenneth A. Ross, Christopher B. Smith   +4 more
wiley   +1 more source

Análisis del efecto de variables ambientales en la estimación de la erosionabilidad (Factor K)

Espacio, Tiempo y Forma. Serie VI, Geografía, 2018
El objetivo principal de este trabajo se centra en la determinación y análisis de las variables ambientales que influyen en las divergencias de las estimaciones de erosionabilidad a partir de dos métodos, aplicando tres algoritmos de estimación del ...
Pedro Perez Cutillas, Gonzalo G. Barberá, Carmelo Conesa García   +2 more
doaj   +1 more source

La erosión de los suelos en Panamá y sus impactos

, 2021
La tasa de erosión en Panamá, es alarmantemente alta. Para el año 1960 el total de suelos erosionados era 500,000 hectáreas. En 1970 las áreas erosionadas cubrían unas 748,000 hectáreas y un total de 2, 018,000 erosionadas en 1987.
Ruiz Morales, Giancarlo A.
core  

Advanced Electron Microscopy and Microcomputed Tomography Analysis of Single‐Crystal Ni‐Base Superalloys After Short‐Term Multiaxial Creep

Advanced Engineering Materials, EarlyView.
This work studies the anisotropic behavior of circular notched tensile specimens of Ni‐base superalloy single crystals during high‐temperature tensile creep along [001], [110], and [111]. Correlative scale‐bridging imaging of specimens reveals early rupture along [110] because 1) plastic deformation proceeds faster at notch center; 2) more (brittle ...
Leonardo Agudo Jácome, Lijie Cao, Christoph Somsen, Johannes Boes, René Hesse, Werner Theisen, Gunther Eggeler   +6 more
wiley   +1 more source

Electrified Damage in Motion Systems

Advanced Engineering Materials, EarlyView.
The electrified damage in motion systems is a fundamental framework presenting the degradation pathway arising from the coupling of electrical energy transport with mechanical contact and interfacial chemistry. The framework positions electrified damage as a distinct degradation regime with unique characteristic surface morphologies and failures of ...
M. Humaun Kabir, Angelina Nguyen, Hong Liang   +2 more
wiley   +1 more source

Multimodal Soft Surgical Robots Enabled by Eco‐Degradable, Sterilizable Polymers and Transient Electronics

Advanced Functional Materials, EarlyView.
A compostable PGS soft surgical robot with interchangeable modules integrates transient Mo tactile and Si thermal sensors for dual feedback. The device preserves its function after clinical‐grade sterilization, demonstrates stable actuation and cardiac tissue grasping with real‐time in vivo pulsatile monitoring, and biodegrades post‐use with soil‐safe, 
Minseong Chae, Kyung‐Sub Kim, Gyeong‐Seok Hwang, Jun‐Seok Shim, Sung‐Woo Kim, Yong‐Wu Kim, Jieun Han, Jae‐Young Bae, Jae‐Hwan Lee, Minjung Chae, Jooik Jeon, Joo‐Hyeon Park, You‐Jung Park, Ju‐Yong Lee, Sung‐Geun Choi, Min‐Ha Oh, Yong‐Joong Shin, Young‐In Ryu, Ji‐Woo Gu, Seong‐Yu Choi, Jeong‐Yun Sun, Jung Keun Hyun, Myoung‐Ryul Ok, Sang Yup Kim, Edyta Wyszkowska, Ju‐Young Kim, Kang‐Sik Lee, Seung‐Kyun Kang   +27 more
wiley   +1 more source

Estudio y control de la erosión hídrica

, 2001
Resumen: la oferta actual de literatura especializada relativa a la erosión de suelos es bastante amplia; sin embargo, son pocos los textos que integran los aspectos teóricos fundamentales y aquellos prácticos relacionados no solo con el estudio del ...
León Peláez, Juan Diego
core  

Engineering Pendant Group Chemistry to Control Hydrophilicity and Oxidative Degradation of Thioketal‐Based Biomaterials

Advanced Functional Materials, EarlyView.
Thioketal (TK) polymers are promising biomaterials due to their selective biodegradation by reactive oxygen species (ROS), but they respond slowly to physiologic doses of ROS. Here, the TK bond's pendant groups are modified to enhance the degradation of TK‐based implants both in vitro and in vivo.
Karina A. Bruce, Dylan W. Marques, Alan J. Fullenkamp, Emma‐Louise Lowell, Rais B. Fataki, Jake D. Ryan, John R. Martin   +6 more
wiley   +1 more source

Transporte de sedimentos y cambio geomorfológico en un Delta tropical de alta descarga (río Magdalena, Colombia): Perspectivas de un periodo de intensos cambios e intervención humana

Siembra
Existen fuertes indicios de que los cambios ambientales y las intervenciones humanas han afectado a la descarga de agua dulce y al flujo de sedimentos en el río Magdalena (noroeste de Sudamérica) en el periodo comprendido entre 1990 y 2020.
Juan C. Restrepo L.
doaj  

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

Acta 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, Inge Armbrecht, James Montoya Lerma   +2 more
doaj   +1 more source