Results 121 to 130 of about 30,636 (239)

Automated Additive Construction (AAC) for Earth and Space Using In-situ Resources [PDF]

open access: yes, 2016
Using Automated Additive Construction (AAC), low-fidelity large-scale compressive structures can be produced out of a wide variety of materials found in the environment.
Ali, Hisham   +32 more
core  

Advanced biofuel technologies : status and barriers [PDF]

open access: yes
Large-scale production of crop based (first generation) biofuels may not be feasible without adversely affecting global food supply or encroaching on other important land uses. Because alternatives to liquid fossil fuels are important to develop in order
Cheng, Jay J., Timilsina, Govinda R
core  

Cumulative causation in the formation of a technological innovation system: The case of biofuels in the Netherlands [PDF]

open access: yes
Despite its worldwide success, the innovation systems approach is often criticized for being theoretically underdeveloped. This article aims to contribute to the conceptual and methodical basis of the (technological) innovation systems approach.
Marko P. Hekkert, Roald A.A. Suurs
core  

Production of Transportation Fuels from Fischer–Tropsch Waxes: Distillation, Blending, and Hydrocracking

open access: yesApplied Sciences
Nowadays, transportation fuels such as diesel or gasoline are standardly produced from crude oil refining. These petroleum-based products are gradually replaced by more environmentally friendly sources, such as Fischer–Tropsch diesel fractions and other ...
Jakub Frątczak   +5 more
doaj   +1 more source

POTENCIAL DE LA TECNOLOGÍA "GAS TO LIQUIDS GTL" EN COLOMBIA Potential of the "gas to liquids-GTL" technology in Colombia

open access: yesCT&F Ciencia, Tecnología & Futuro, 2005
El gas natural posee un gran potencial por las grandes reservas que existen a nivel mundial en la actualidad y puesto que es una fuente de energía más limpia que el petróleo pero, con la desventaja que requiere de altos costos para su transporte.
Julio-César Pérez Angulo   +3 more
doaj  

Development of an improved oxygen electrode for use in alkaline H2-O2 fuel cells Quarterly report, Oct. 1 - Dec. 31, 1966 [PDF]

open access: yes
Interstitial compounds of transition elements prepared for improving oxygen electrode in alkaline hydrox fuel ...
Akhtar, S., Bienstock, D., Grein, C. T.
core   +2 more sources

Trajetórias Tecnológicas em Combustíveis Sintéticos: Análise dos Mecanismos de Seleção e Indução

open access: yesRevista Brasileira de Inovação, 2006
This article identifies and bounds the existence of two technological trajectories on synthetic liquid fuels. This technological trajectory concept is bounded concerning the selection environment and the programs for technological research.
Edmar Luiz Fagundes de Almeida   +2 more
doaj  

Incorporation of Nitrogen into Organics Produced by Fischer-Tropsch Type Chemistry [PDF]

open access: yes
Laboratory simulations have demonstrated that hydrothermal systems have the potential to produce a range of organic compounds through Fischer-Tropsch type (FTT) chemistry.
Berger, E. L.   +3 more
core   +1 more source

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