Results 101 to 110 of about 68,511 (289)

Performance and emissions characteristics of C.I. engine fueled with palm oil/palm oil methyl ester blended with diesel fuel

Egyptian Journal of Petroleum, 2018
The rapid increasing worldwide demand for energy, continuous increasing of fuel consumption and the progressive depletion of fossil fuels led to an intensive search for biodiesel as alternative fuel for diesel engine.
M.S. Gad, R. El-Araby, K.A. Abed, N.N. El-Ibiari, A.K. El Morsi, G.I. El-Diwani   +5 more
doaj   +1 more source

Advances in Electrocatalytic Valorization of Glycerol: From Fundamental Understanding to Practical Innovation

EcoEnergy, EarlyView.
This review provides a comprehensive overview of recent advances in glycerol electro‐oxidation reaction, covering electrocatalyst design, electrolyte and operating optimization, and mechanistic understanding of reaction pathways. Integrated anodic–cathodic systems and techno‐economic assessments are discussed, followed by key challenges and future ...
Jiamin Wang, Rafael B. Araujo, Hong Liu, Xiaowen Yu   +3 more
wiley   +1 more source

John Deere 6190R Direct Drive, eficiencia y suavidad. [PDF]

, 2013
El día 10 de enero tuvimos la oportunidad de evaluar en Olías del Rey (Toledo), el nuevo tractor John Deere 6190R que dispone de recirculación externa refrigerada de gases de escape, y una muy interesante transmisión electromecánica,denominada Direct ...
Barreiro Elorza, Pilar, Diezma Iglesias, Belen, Garrido Izard, Miguel, Moya Gonzalez, Adolfo   +3 more
core   +1 more source

Solar Energy in 2025: Global Deployment, Cost Trends, and the Role of Energy Storage in Enabling a Resilient Smart Energy Infrastructure

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This paper explores global solar PV deployment, cost trends, and grid integration challenges in 2025. It examines the role of energy storage in firming solar output and supporting electric vehicle (EV) growth, alongside policy shifts, investment flows, and technological innovations.
Ehsan Rezaee, S. Ravi P. Silva
wiley   +1 more source

Risks to the human health derived from the exhibition for managing and storage of chemical substances in the commercial and industrial establishments of Bogota during 2013 [PDF]

, 2014
En el presente documento se expone parte del análisis de los datos recopilados durante la vigilancia sanitaria realizada a empresas o establecimientos de Bogotá, que manipulan, almacenan o comercializan sustancias químicas y que fueron visitados por la ...
Moreno Salas, Blanca Cecilia
core  

Directed Hole Localization Stabilizing Interfacial Sulfur Species to Boost α‐C–H Activation for Selective Biomass Photo‐oxidation

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Efficient α‐C–H bond activation and directional conversion for selective biomass photo‐oxidation are achieved by integrating polarization and interface engineering strategies in P‐doped ZnIn2S4 polar photocatalysts, which leverage hole localization and stable interfacial sulfur species, endowing bio‐based HMF at 94.4% conversion with 94.5% selectivity ...
Yinyin He, Jie Li, Shunmugavel Saravanamurugan, Hu Li   +3 more
wiley   +1 more source

Química Verde: trabajo de laboratorio en la Microescala [PDF]

, 2014
Actualmente, los estudiantes de cualquier ámbito, y en especial en la Educación Superior, deben tender a formarse en las diferentes disciplinas dentro del marco de un aprendizaje integral que contemple amplios criterios de responsabilidad ética, cívica y
Cornejo Navarro, Olga, Martínez Mira, Isidro, Molina Jordá, José Miguel, Sepúlveda-Escribano, Antonio, Vilaplana-Ortego, Eduardo   +4 more
core  

Desulfurization of Benzothiophene Derivatives by Solvent Extraction Coupled With Oxidation Using Oxomolybdenum(VI) Bis(pyrazolyl)methane Catalysts

European Journal of Inorganic Chemistry, EarlyView.
A polymeric hybrid material formulated as [MoO3(bis(pyrazolyl)methane)] has been prepared and used as a catalyst precursor for the complete oxidative desulfurization of a model diesel containing recalcitrant benzothiophene derivatives. The precursor is converted in situ to an oxodiperoxo active species which is retained in the recyclable extractant ...
Ana C. Gomes, Fátima Mirante, Isabel S. Gonçalves, Martyn Pillinger, Salete S. Balula   +4 more
wiley   +1 more source

DETERMINACIÓN DE LA HUELLA DE CARBONO EN LA UNIVERSIDAD POLITÉCNICA SALESIANA, SEDE QUITO, CAMPUS SUR. AÑO BASE 2012. [PDF]

, 2015
En este trabajo de investigación se logró determinar la huella de carbono de la Universidad Politécnica Salesiana, sede Quito, campus sur; el valor obtenido para el año 2012 fue de 873,88 toneladas de dióxido de carbono equivalente.
Dávila, Fernando, Varela, Santiago, Vilches, Richard   +2 more
core  

Sustainable Optimization of Emissions and Performance in Hydrogen Port Injection Diesel Engines Through Port Timing and Injection Duration Modulation

Energy Science &Engineering, EarlyView.
Optimizing hydrogen port injection in diesel engines significantly improves efficiency and reduces emissions, demonstrating a sustainable dual‐fuel strategy for cleaner transportation solutions and lower environmental impact. ABSTRACT This study evaluates a single‐cylinder hydrogen port injection (HPFI) Diesel engine by systematically varying the ...
Kaustubh R. Kapadani, Nithyananda B S, Shrishail B. Sollapur, Rajesh K, Ashish M. Dharme, Hemant K, Nagaraj Ashok, Abhijit Bhowmik   +7 more
wiley   +1 more source