Results 81 to 90 of about 23,442 (304)
Rapid Fabrication of Self‐Propelled and Steerable Magnetic Microcatheters for Precision Medicine
Advanced Materials, EarlyView.A rapid Joule heating fabrication method for the production of self‐propelling, adaptive microcatheters, with tunable stiffness and integrated microfluidic channels is presented. Demonstrated through three microrobotic designs, including a steerable guiding catheter, an untethered wave‐crawling TubeBot, and a distal‐end propelled microcatheter, it was ...
Zhi Chen +5 more
wiley +1 more source
Simulação numérica de um modelo simplificado de um motor à combustão interna a gás natural [PDF]
, 2007 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Mecânica.O gás natural é um dos combustíveis presentes na matriz energética brasileira que possui o potencial de redução na ...
Bertoldi, Dalton
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Advanced Materials, EarlyView.Ball‐milling Cu‐based metallic glasses with ceria creates a unique nanostructure where metallic glass particles are wrapped by CeO2 nanoparticles. The intimate integration triggers copper state reorganization during reaction and aging, boosting CO oxidation and COPrOx activity.
Maahin Mirzay‐Shahim +17 more
wiley +1 more source
Alternatives for the Processing of Natural Gas in Espírito Santo
Orbital: The Electronic Journal of ChemistryNatural gas has shown an increase in demand in recent years, largely due to its competitive advantages over other fossil fuels. However, in Brazil, its production and supply chain remain under the monopoly of Petrobras, which makes it difficult for new ...
Kelen Carolina Altenerath +2 more
doaj +1 more source
Positively Charged Polymer‐Brush MOFs for Large‐Area, Pressure‐Resistant Gas Separation Membranes
Advanced Materials, EarlyView.A universal POPA strategy enables positively charged polymer‐brush MOFs with self‐adaptive interfacial interlocking to resist aggregation under fast processing. This design ensures seamless dispersion within large‐area selective layers, achieving 1 m‐wide roll‐to‐roll fabrication of pressure‐resistant MMCMs with tunable CO2 separation performance ...
Yi Yang +11 more
wiley +1 more source
Design Modification of High Speed Diesel Engine to Accommodate Compressed Natural Gas
, 1996 Compressed natural gas CNG was inducted through various experimental mixers mounted between the air manifold and air filter of a high speed four stroke diesel engine. pilot diesel was used for the initial ignition.
Ali, Yusoff +3 more
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Advanced Materials, EarlyView.Elephant‐skin‐inspired crack networks are programmed in porous diatomaceous earth (DE)‐cement composites using substrate‐guided, stress‐concentration induced fracture. The resulting crack lattices act as capillary conduits that redistribute water, while the porous matrix stores moisture.
Qingya Huang +5 more
wiley +1 more source
Alternative fuels for motor vehicles: Fashion or necessity?
Vojnotehnički Glasnik, 1998 The increased levels of requirements related to environmental protection and energy resources conservation point out to alternative fuels for internal combustion engines. Amongst several alternatives, the natural gas in.
Jovan Todorović
doaj +1 more source
Pabrik CNG (Compressed Natural Gas) dari gas alam di Subang Jawa Barat [PDF]
, 2015 CNG (Compressed Natural Gas) merupakan pengompresan dari gas methane (CH4) dan gas ethane (C2H6) yang berasal dari gas alam dengan memberikan tekanan tinggi dan suhu rendah, yaitu 3600 psi ...
Sari, Febrina Berty Anjar +1 more
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Gracias a La Nacionalización De Los Hidrocarburos: a Critical Analysis of Bolivia’s Transition to Compressed Natural Gas [PDF]
, 2015 This paper critically analyzes the implementation of compressed natural gas and the ways in which it creates discourse in urban Bolivia. The rapidly developing nation is keen on making ubiquitous use of compressed natural gas a reality by issuing ...
McCollum, Jerl Levi
core +1 more source