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Energy Flows and Water Flows: Types of Energy
2018The chapter provides a broad view of the energy industry based on energy flows and energy types (with examples) relevant to enterprises. Energy flows are presented with the aid of Sankey diagrams, a visual approach which provides an excellent way to understand where energy comes from, how it interacts within the system, and where different proportions ...
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2018
As previously mentioned, the goal of an anthropogenic flow of material is to meet specific needs of human beings. The transformation of material from natural resource into a product with specific service functions must undergo changes from multiple aspects, such as quantity, form, and space.
Jiansu Mao +3 more
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As previously mentioned, the goal of an anthropogenic flow of material is to meet specific needs of human beings. The transformation of material from natural resource into a product with specific service functions must undergo changes from multiple aspects, such as quantity, form, and space.
Jiansu Mao +3 more
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Is the Photon a Self-Energy Flow or a Mutual-Energy Flow?
Open Access Journal of Applied Science and TechnologyIn classical electromagnetic theory, energy flow density is described by the Poynting vector, while in quantum mechanics, the concept of probability current exists. These flows are all generated by the source and are referred to here as self-energy flows.
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2006
AbstractThe second law of thermodynamics is central to understanding ecology, although it is ignored by most ecology text books. It follows from the second law that all organisms must draw free energy from their environment and return waste products back to their environment.
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AbstractThe second law of thermodynamics is central to understanding ecology, although it is ignored by most ecology text books. It follows from the second law that all organisms must draw free energy from their environment and return waste products back to their environment.
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2009
This chapter focuses on the singlet excited states of model DNA helices with simple base sequence: poly(dGdC).poly(dGdC), poly(dAdT).poly(dAdT) and poly(dA).poly(dT). We discuss their absorption spectra, which reect the properties of Franck-Condon states, in connection with theoretical studies, performed in the frame of the exciton theory taking into ...
Markovitsi, D., Gustavsson, T.
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This chapter focuses on the singlet excited states of model DNA helices with simple base sequence: poly(dGdC).poly(dGdC), poly(dAdT).poly(dAdT) and poly(dA).poly(dT). We discuss their absorption spectra, which reect the properties of Franck-Condon states, in connection with theoretical studies, performed in the frame of the exciton theory taking into ...
Markovitsi, D., Gustavsson, T.
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"Virial Theorem" for the Flow of Energy
Physical Review, 1955Expressions are obtained for the flow of energy and momentum in assemblies of densely packed molecules, using a generalized virial theorem. They differ to some extent from expressions put forward by previous authors who had only derived the divergence of the flow vectors. Classical results are shown to be valid also in quantum mechanics.
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