Results 141 to 150 of about 265,938 (297)

The changes of burning efficiency emission and power output of a diesel engine fueled by bioethanol – biodiesel-diesel oil mixtures [PDF]

, 2006
The environmental pollution and the decrease of the oil based fuels are the greatest problems of the automotive-industry at the start of the 21st century.
Zöldy, Máté
core  

Nachhaltige Ammoniak‐Elektrosynthese Gekoppelt mit Glycerin‐Valorisierung Mittels Eines Adaptiven Dreikomponenten‐Katalysators

Angewandte Chemie, Volume 138, Issue 11, 9 March 2026.
Ein Cu‐Ni‐W‐Dreikomponenten‐Katalysator ermöglicht eine effiziente Umwandlung von Nitrat zu Ammoniak unter gepulster Elektrolyse. Kombinierte experimentelle und theoretische Studien führen seine Leistungsfähigkeit auf die Synergie der Komponenten und regulierte Zwischenprodukte zurück.
Christean Nickel, David Leander Troglauer, Chia‐Yu Chang, Tiansheng Bai, Tobias Rios‐Studer, Ingo Lieberwirth, Kevin Sowa, Boris Mashtakov, Bahareh Feizi Mohazzab, Lijie Ci, Deping Li, Xiaohang Lin, Bing Joe Hwang, Rongji Liu, Dandan Gao   +14 more
wiley   +1 more source

Environmental, economic, and energetic costs and benefits of biodiesel and ethanol biofuels.

Proceedings of the National Academy of Sciences of the United States of America, 2006
J. Hill, E. Nelson, D. Tilman, S. Polasky, D. Tiffany   +4 more
semanticscholar   +1 more source

Towards Understanding the Politics of Flex Crops and Commodities: Implications for Research and Policy Advocacy [PDF]

, 2014
This discussion paper offers a preliminary exploration of the concept and phenomenon of “flex crops and commodities”, building on an earlier and initial analysis and abbreviated idea put forward by some of the authors of this paper.
Borras, Saturnino M., Franco, Jennifer C., Isakson, Ryan, Levidow, Les, Vervest, Pietje   +4 more
core  

Sustainable Ammonia Electrosynthesis Coupled With Glycerol Valorization via an Adaptive Tri‐Component Catalyst

Angewandte Chemie International Edition, Volume 65, Issue 11, 9 March 2026.
A Cu‐Ni‐W tri‐component catalyst enables efficient nitrate‐to‐ammonia conversion under pulsed electrolysis. Combined experimental and theoretical studies attribute its performance to component synergism and regulated intermediates. Its facile adaptation for glycerol valorization to formic acid underscores a versatile system design concept, advancing ...
Christean Nickel, David Leander Troglauer, Chia‐Yu Chang, Tiansheng Bai, Tobias Rios‐Studer, Ingo Lieberwirth, Kevin Sowa, Boris Mashtakov, Bahareh Feizi Mohazzab, Lijie Ci, Deping Li, Xiaohang Lin, Bing Joe Hwang, Rongji Liu, Dandan Gao   +14 more
wiley   +1 more source

METODOLOGIA ANALÍTICA PARA GLICEROL EM BIODIESEL: cenário atual

Cadernos de Pesquisa, 2012
O glicerol ou glicerina livre, principal subproduto no processo de produção do biodiesel, precisa ser isolado e também monitorado pois pode causar vários problemas, sendo o seu conteúdo um indicador da qualidade do Biodiesel.
Edmar Pereira Marques, Verônica Diniz da Silva, Joseany de Moraes Santos Almeida, Helmara Diniz Costa, Glene H. R. Cavalcante, Aldaléa Lopes Brandes Marques   +5 more
doaj  

Adaptive Laboratory Evolution of Cupriavidus necator to Improve Energy Demand in Bioelectrochemical Cultivations

ChemElectroChem, Volume 13, Issue 5, 3 March 2026.
This study highlights biological improvement through adaptive laboratory evolution of Cupriavidus necator H16 ΔPHB. Adapted strains tolerated up to 400 mM Na2SO4 showing better growth under salt stress. This enhanced robustness reduced cultivation energy demand in bioelectrochemical systems by ~ 11%, enabling more sustainable bioelectrochemical ...
Lisa van der Sande, Manuel Müller, Dirk Holtmann   +2 more
wiley   +1 more source

Molecular Bottom‐Up Design of Single‐Site Copper‐Palladium Catalysts for Selective Glycerol Electro‐Oxidation

Advanced Energy Materials, Volume 16, Issue 10, 11 March 2026.
A bimetallic Cu‐Pd single‐site catalyst for the selective and efficient electrooxidation of glycerol to formate and C3‐products (lactate, glycolate, glycerate) is reported. Experimental and theoretical studies shed light on the catalyst function and reveal that Pd sites facilitate the adsorption of hydroxyl (C‐OH) species which prevents C‐C bond ...
Soressa Abera Chala, Ekemena O. Oseghe, Keseven Lakshmanan, Marcel Langer, Katharina Potemkin, Paul Heim, Rongji Liu, Tobias Rios Studer, Meng‐Che Tsai, Kecheng Cao, Chun‐Chi Chang, Chia‐Yu Chang, Kevin Sowa, Elnaz Ebrahimi, Sarra Rahali, Simon T. Clausing, Sina Sadigh Akbari, Joachim Bansmann, Bing Joe Hwang, Carsten Streb   +19 more
wiley   +1 more source

The effect of aging time on mechanical and microstructure properties of aa6061 joints welded by gas tungsten arc welding [PDF]

, 2018
This research examines the influence of heat treatment on mechanical properties and microstructure of AA6061 aluminium alloy welded with butt groove method, by using Gas Tungsten Arc Welding (GTAW) method.
Ahmad, R
core  

Hybridization of Homogeneous and Heterogeneous Catalysis to Develop a Novel Biocatalyst via Immobilization of Lipase on Surface Modified Mesoporous Silica Towards Biodiesel Synthesis Application

Advanced Energy and Sustainability Research, Volume 7, Issue 3, March 2026.
The 3‐(methacryloyloxy)propyltrimethoxysilane surface functionalized SBA‐15 (MP‐SBA‐15) is used for the first time as a lipase carrier. The immobilized CAL‐B exhibits high thermal stability and superior catalytic activity. CAL‐B/SBA‐15 suggests that optimum hydrophobicity gives better catalytic activity.
Murugappan N., Ayumi Sato, Jiachen Ge, Arisa Yamada, Makoto Onaka, Yuki Nakamura, Masaru Ogura   +6 more
wiley   +1 more source