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Votre recherche a retourné 26 résultats.

Biohydrogen for future engine fuel demands par Demirbas, Ayhan. Publication : London Springer 2009 . xii, 275 pages , "The modern world is facing three critical problems: high fuel prices, climate change, and air pollution. Biohydrogen: For Future Demands covers the production, purification, storage, pipeline transport, usage, and safety of biohydrogen. Hydrogen promises to be the most significant fuel source of the future, due to its global availability and the fact that water is its only by-product. Biofuels such as bioethanol, biodiesel, bio-oil, and biohydrogen are produced using technologies for thermochemically and biologically converting biomass. Hydrogen fuel production technologies can make use of either non-renewable sources, or renewable sources such as wind, solar, and biorenewable resources." "Biohydrogen: For Future Fuel Demands reviews all of the modern biomass-based transportation fuels, including bioethanol, biodiesel, biogas, biohydrogen, and fuel cells. The book also discusses issues of biohydrogen economy, policy, and environmental impact."--MONO JACKET. 25 cm. Date : 2009 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Linearity, symmetry, and prediction in the hydrogen atom / par Singer,, Stephanie Frank, Publication : New York : Springer, 2005 . xiv, 396 p. : 24 cm. Date : 2005 Disponibilité : Exemplaires disponibles: La bibliothèque des Sciences Exactes et Naturelles (1),

Molecular solar fuels par Wydrzynski, Thomas J. Publication : Cambridge Royal Society of Chemistry 2012 . 553 p. , World demand for energy is rapidly increasing and is projected to more than double by the year 2050. Finding sufficient supplies of clean energy for the future is one of the major scientific challenges of today. Sunlight accounts for the largest energy input into the earth's surface, providing more energy in one hour than all of the energy consumed by the entire planet in one year. Over more than 2 billion years, plants, algae and cyanobacteria have evolved the most efficient methods to utilize solar energy, by catalyzing the light-driven splitting of water into molecular oxygen, protons and electrons. If the released protons are captured and reduced to molecular hydrogen by a suitable hyrodrogenase enzyme, then a perfect fuel cycle can be achieved, since the combustion of hydrogen with oxygen produces only water. In the search for clean, energy-rich fuel sources, we can take advantage of the natural photosynthetic and hydrogenase systems by applying and adapting the energy conserving principles that Nature has evolved in these systems and use them to guide the development of synthetic photo- and reductive catalysts for solar energy utilization. The US Department of Energy Basic Sciences Workshops in 2005 on 'Solar Energy Utilization' and in 2007 on 'Catalysis for Energy' identified the development of solar fuels as a key, carbon-neutral, energy resource for the future and hydrogen is one such promising example. The energy released from the combustion of hydrogen with oxygen can be coupled to electrical current generation or the reduction of carbon compounds such as carbon dioxide. If hydrogen could be readily produced from water using solar energy, then an ideal fuel cycle would be possible. The main aim of the book is to present the latest knowledge and chemical prospects in developing hydrogen as a solar fuel. Using oxygenic photosynthesis and hydrogenase enzymes for bio-inspiration, this book presents the strategies for developing photocatalysts to produce a molecular solar fuel and is divided into five parts. The first part consists of two chapters which give an overall perspective of solar energy utilization and the role that synthetic photocatalysts can play in producing solar fuels. The next three parts summarize current knowledge with respect to the three steps in solar energy utilization: light capture, photochemical conversion, and energy storage in chemical bonds. Each aspect begins with a review of the natural system, emphasizing those biological features which optimize the efficiency of the reactions that it catalyzes. The chapters on the natural systems are then followed by chapters summarizing the latest developments in synthetic chemistry of photo- and reductive catalysts. Finally, the last part gives some future research goals that are important for the practical utilization of solar energy. The book is written by experts from various fields working on the biological and synthetic chemical side of molecular solar fuels to facilitate advancement in this area of research. 24 cm. Date : 2012 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Nanomaterials for solid state hydrogen storage par Varin, Robert A. Publication : New York Springer 2009 . X-338 p. , Over the past decade, important advances have been made in the development of nanostructured materials for solid state hydrogen storage used to supply hydrogen to fuel cells in a clean, inexpensive, safe and efficient manner. Nanomaterials for Solid State Hydrogen Storage focuses on hydrogen storage materials having high volumetric and gravimetric hydrogen capacities, and thus having the highest potential of being applied in the automotive sector. Written by leading experts in the field, Nanomaterials for Solid State Hydrogen Storage provides a thorough history of hydrides and nanomaterials, followed by a discussion of existing fabrication methods. The authors’ own research results in the behavior of various hydrogen storage materials are also presented. Covering fundamentals, extensive research results and recent advances in nanomaterials for solid state hydrogen storage, this book serves as a comprehensive reference. 24 cm. Date : 2009 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Optical absorption of impurities and defects in semiconducting crystals par Pajot, Bernard Publication : Heidelberg [u.a.] Springer 2010 . XIX, 470 S. 235 x 155 mm Date : 2010 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Solar hydrogen energy systems science and technology for the hydrogen economy par Zini, Gabriele. Publication : Milan | New York Springer 2011 . xvi, 184 pages 24 cm. Date : 2011 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

The metal-hydrogen system Basic bulk properties par Fukai, Yuh Publication : Berlin | Heidelberg Springer 2005 . xii, 497 pages , "With 287 figures and 55 tables." 25 cm. Date : 2005 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Theory of spectra and atomic constitution three essays. par Bohr, Niels. Publication : Cambridge Cambridge Univ Press 2011 . pages. Date : 2011 Disponibilité : Exemplaires disponibles: La bibliothèque des Sciences Exactes et Naturelles (1),

An end to global warming / par Williams, L. O. Publication : . 1 online resource (209 pages) : Disponibilité :  http://www.sciencedirect.com/science/book/9780080440453,

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