Results 1 to 10 of about 443,492 (280)
CatalSmall crystalline spherical metal nanoparticles were synthesized using an enzyme-induced formation method. For this purpose, lipases immobilized on graphene flakes were used, obtaining graphene-enzyme-metal nanoparticles hybrids (G/Enzyme/s@MetalNPs ...
Noelia Losada-Garcia +2 more
doaj +1 more source
Revista de Metalurgia, 2017 El interés en el refino de los llamados “crudos de oportunidad” con alto contenido de ácidos nafténicos y compuestos de azufre, ha venido en aumento debido a la limitada disponibilidad de crudos ligeros.
Gloria Duarte +4 more
doaj +1 more source
SHALE PLAYS: PRONÓSTICOS DE PRODUCCIÓN A PARTIR DE SIMULACIÓN NUMÉRICA PREDICTIVA
Revista Fuentes El Reventón Energético, 2014 El Shale gas es simplemente gas natural, compuesto generalmente de 90% de metano. Su nombre se debe a su procedencia, el esquisto (o Shale en inglés).
Jose C. Cárdenas +3 more
doaj
Diagnóstico e Avaliação pelo Índice de Condição do Pavimento do trecho de Pavimento Rígido da BA-826
RCT: Revista de Ciência e TecnologiaO pavimento rígido apresenta alta rigidez e resistência à flexão das placas, devido a espessura constante. Para garantir o funcionamento satisfatório do mesmo, é fundamental que seja feito um controle da ocorrência dos defeitos de forma permanentemente ...
Oisy Hernandez Menendez +3 more
doaj +1 more source
COLLOIDAL DISPERSION GELS (CDG) TO IMPROVE VOLUMETRIC SWEEP EFFICIENCY IN WATERFLOODING PROCESSES
CT&F Ciencia, Tecnología & Futuro, 2013 A viable option for the sustainability of hydrocarbon supply in the short and medium term is increasing the expected ultimate oil recovery factor through Enhanced Oil Recovery processes (EOR).
Rubén-Hernán Castro-García +3 more
doaj
The ideological debate between the ICP and the Vietnamese Trotskyists in early 1930s
RUDN Journal of World History, 2012 The article discusses the ideological dispute between communists and trotskyists in Vietnam in the early 1930s. It stresses the main strategic differences of opinion among them and shows that in some aspects their tactics were not that far away from one ...
I Viktorovich Usov
doaj
Swiss Journal of PalaeontologyEuropean Miocene tapirs (Perissodactyla, Tapiridae) are mainly documented by isolated and fragmentary remains, and little is known about the morphological variability of the various recognized species, in particular concerning the deciduous dentition ...
Luca Pandolfi +8 more
doaj +1 more source
Hyaluronic acid degradation by Purpureocillium lilacinum: biochemical and transcriptomic insights
Applied Microbiology and BiotechnologyEnzymatic depolymerization of hyaluronic acid into well-defined oligosaccharides offers a sustainable alternative to chemical methods, providing precise control over product size and functionality.
Marina Minguet-Lobato +4 more
doaj +1 more source
POLYMER FLOODING TO IMPROVE VOLUMETRIC SWEEP EFFICIENCY IN WATERFLOODING PROCESSES
CT&F Ciencia, Tecnología & FuturoPolymer flooding is a commercial Enhanced Oil Recovery (EOR) process that belongs to the chemical EOR methods. Its principal objective is to improve reservoir sweep efficiency in mature and recent waterfloods.
Rubén-Hernán Castro-Garcia +8 more
doaj
INVESTMENT AND CONSTRUCTION PROJECT AS AN OBJECT OF RISK ANALYSIS
Вестник университета, 2016 This article describes the study and clarification of the essence of the category of «risk» as an economic component and object management in the sphere of investment and construction, the rationale for the initial assumptions of the risk as a key ...
I. Vlasenko, T. Shemyakina
doaj