Results 11 to 20 of about 634 (164)

Allergic contact dermatitis to cobalt and nickel in a metal industry worker. Case report and literature review

Revista Alergia México, 2019
Background: Contact dermatitis is an eczematous skin reaction that is caused by repeated and direct exposure to an allergen: The prevalence of contact dermatitis to nickel is estimated at 17% in women and 3% in men, and 1-3% of the general population has
Edgar Antonio Román-Razo, Patricia María O´Farrill Romanillos, César Cambray, Andrea Herrera, Diego Mendoza-Revilla, Diana Aguirre   +5 more
doaj   +1 more source

Síntesis y caracterización del cloruro de la amina terciaria Alamine 304. Su aplicación en la extracción liquido-líquido de Co(II), Au(III) y Pt(IV)

Revista de Metalurgia, 2000
La amina Alamine 304 disuelta en xileno reacciona con el ácido clorhídrico para formar el cloruro de la amina (R3NH+Cl-) y el dicloruro de amina (R3NH2Cl2).
Aurora López-Delgado, Félix Antonio López, Francisco José Alguacil   +2 more
doaj   +1 more source

Influence of Manufacturing Methods of Implant‐Supported Crowns on External and Internal Marginal Fit: A Micro‐CT Analysis

BioMed Research International, Volume 2018, Issue 1, 2018., 2018
Aim. To evaluate the influence of different manufacturing methods of single implant‐supported metallic crowns on the internal and external marginal fit through computed microtomography. Methods. Forty external hexagon implants were divided into 4 groups (n = 8), according to the manufacturing method: GC, conventional casting; GI, induction casting; GP,
Izabela C. M. Moris, Silas Borges Monteiro, Raíssa Martins, Ricardo Faria Ribeiro, Erica A. Gomes, Nick Silikas   +5 more
wiley   +1 more source

DESCRIÇÃO MATEMÁTICA DO FENÔMENO OSCILATÓRIO DURANTE A SÍNTESE ELETROQUÍMICA DOS FILMES DOS OXI-HIDROXI COMPOSTOS DE COBALTO (III) E DURANTE A SÍNTESE DOS COMPÓSITOS DELES COM OS POLÍMEROS CONDUTORES

Eclética Química, 2018
O comportamento eletroquímico do sistema da eletrotransformação potenciostática dos sais de cobalto (II) para os oxi-hidroxicompostos de cobalto (III) na presença dos íons de fluoro (que promove a dissolução do oxi-hidroxicompostos de cobalto (III ...
Volodymyr Tkach, Vasyl Vasylyovych Nechyporuk, Oksana Slipenyuk   +2 more
doaj   +1 more source

Synthesis and Anchoring of Antineoplastic Ferrocene and Phthalocyanine Derivatives on Water‐Soluble Polymeric Drug Carriers Derived from Lysine and Aspartic Acid

Metal-Based Drugs, Volume 2008, Issue 1, 2008., 2008
The general synthetic strategy towards water‐soluble biodegradable drug carriers and the properties that they must have are discussed. The syntheses of water‐soluble biodegradable copolymers of lysine and aspartic acid as potential drug‐delivering devices, having amine‐functionalised side chains are then described. Covalent anchoring of carboxylic acid
M. David Maree, Eberhard W. Neuse, Elizabeth Erasmus, Jannie C. Swarts, Michael J. Cook   +4 more
wiley   +1 more source

Exposição ocupacional ao cobalto: aspectos toxicológicos [PDF]

Revista Brasileira de Ciências Farmacêuticas, 2003
O cobalto e um elemento quimico, alem de ser essencial, presente na vitamina B12, tem sua utilizacao principal na industria metalurgica para producao de acos com caracteristicas especiais de dureza e resistencia. Na forma de oxidos e utilizado como catalisador na industria quimica e de oleos.
Alves, Atecla Nunciata Lopes, Della Rosa, Henrique Vicente   +1 more
openaire   +3 more sources

Desempeño fisiológico de semillas de soja y fríjol tratadas con dos micronutrientes

Investigación Agraria, 2016
El Cobalto (Co) y el Molibdeno (Mo) son micronutrientes de gran importancia en la familia Fabaceae por hacer parte de la enzima nitrogenasa, sintetizada por bacterias durante el proceso biológico de fijación de nitrógeno por simbiosis.
Cristiane Deuner, Raphael Silva Dutra Pereira, Carolina Terra Borges, Mariana Peil da Rosa, César Iván Suarez Castellanos, Géri Eduardo Meneghello   +5 more
doaj   +1 more source

Thermodynamic and kinetic study of the recovery of tungsten and cobalt from tool waste

Revista Facultad de Ingeniería Universidad de Antioquia, 2018
En el presente proyecto se analiza la recuperación de wolframio y cobalto a partir de residuos de herramientas fabricadas con carburo de wolframio - cobalto (WC-Co), las cuales son muy empleadas en la industria metalmecánica.
Sebastián Sierra-Pérez, Néstor Ricardo Rojas-Reyes, José Martínez-Zambrano, Hugo Alfonso Rojas-Sarmiento   +3 more
doaj   +1 more source

Bioadsorción de Co(II) y Mn(II) en soluciones acuosas por la bacteria Rhodococcus opacus

Tecnología y ciencias del agua, 2022
Se evaluó la bioadsorción de Co(II) y Mn(II) en soluciones acuosas por Rhodococcus opacus inactivado y tratado con NaOH, y se efectuó la caracterización fisicoquímica del bioadsorbente.
Amanda Mauro Rodrigues-Pimentel, Patrícia Reynoso-Quispe, Rita Jaqueline Cabello-Torres, Lorgio Gilberto Valdiviezo-Gonzales   +3 more
doaj   +1 more source

Effects of Low‐Protein Dried Distillers' Grains With Solubles in High‐Concentrate Diets for Finishing Lambs

Animal Science Journal, Volume 97, Issue 1, January/December 2026.
ABSTRACT This study evaluated the effects of increasing inclusion levels of low‐protein dried distillers' grains with solubles (DDGS) in high‐concentrate diets on nutrient intake, digestibility, nitrogen balance, and ingestive behavior of finishing lambs.
Renan Marvila da Silva Santos, Alexandre Lima de Souza, Anderson de Moura Zanine, Luis Juliano Valério Geron, Daniele de Jesus Ferreira Zanine, André Gustavo Leão, Carla Heloisa Avelino Cabral, Rodrigo Junqueira Pereira, Luciano da Silva Cabral, Fagton de Mattos Negrão, Lucas Gimenes Mota   +10 more
wiley   +1 more source