Results 221 to 230 of about 60,699 (261)
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Geochemical Characterization of Deep Groundwater in KURT Using Geochemical Modeling

Journal of Environmental Engineering, 2012
A total of 11 boreholes were drilled at depths of 20–500 m to investigate the geochemical characteristics of groundwater at the KAERI Underground Research Tunnel (KURT) site. The groundwater chemistry up to a depth of 500 m at the KURT site was divided into Ca-HCO3 and Na-Ca-HCO3 types in the groundwater system. Ca-HCO3 and Na-Ca-HCO3 types showed that
Ji-Hun Ryu   +4 more
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Geochemical Reaction Modeling

1996
Geochemical reaction modeling plays an increasingly vital role in several areas of geoscience, from environmental geochemistry and petroleum geology to the study of geothermal and hydrothermal fluids. This book provides an up-to-date overview of the use of numerical methods to model reaction processes in the Earth's crust and on its surface.
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Geochemical Modeling of Reaction Paths and Geochemical Reaction Networks

Reviews in Mineralogy and Geochemistry, 2009
From the discussions in previous chapters, we can see that in order to understand the kinetics of dissolution and precipitation reactions, we really need to understand geochemical reaction networks. The previous chapters have depicted a complex picture of the details of chemical reactions and kinetics.
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Geochemical Rate Models

2013
This well-organised, comprehensive reference and textbook describes rate models developed from fundamental kinetic theory and presents models using consistent terminology and notation. Major topics include rate equations, reactor theory, transition state theory, surface reactivity, advective and diffusive transport, aggregation kinetics, nucleation ...
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Geochemical Modeling of Fracture Filling

Proceedings of SPE/DOE Improved Oil Recovery Symposium, 2002
Abstract This paper reports on a mathematical model to simulate hydrodynamics and fluid-mineral reactions in the fracture within a permeable media. Fluid convection, diffusion and precipitation / dissolution (PD) reaction inside a finite space are solved as a simplified representation of natural fracture mineralization.
Myeong H. Noh, Larry W. Lake
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Modeling the Geochemical Carbon Cycle

Scientific American, 1989
The authors have modeled the slow, long-term cycle in which geochemical processes transfer carbon among land, sea, and atmosphere. The model suggests that the earth may have been warmed in the past when buildups of atmospheric carbon dioxide enhanced the greenhouse effect.
Robert A. Berner, Antonio C. Lasaga
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Geochemical modeling of glass alteration

2023
Modeling the alteration of radioactive waste confinement glasses presents three main challenges: i) Chemical complexity: The numerous major chemical elements in the glass, fluid, and environmental minerals interact with each other through fluid and gas.
Frugier, Pierre   +4 more
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Modeling Geochemical Self Organization

1987
Rocks of a wide variety of origins can manifest symmetry breaking instabilities and the development of repetitive and other patterns of mineralization. Models are set forth that couple local processes (aqueous reactions, precipitation/dissolution and nucleation of mineral grains) to a variety of transport processes.
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Environmental Applications of Geochemical Modeling

2002
Geochemical modeling is a powerful tool for characterizing environmental site contaminations and predicting environmental impacts. This book discusses the application of geochemical models to environmental practice and studies, through the use of numerous case studies of real-world environmental problems, such as acid mine drainage, pit lake chemistry,
Chen Zhu, Greg Anderson
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Basic Concepts in Geochemical Modelling

1986
During this Nato-Advanced Course devoted to the Role of Air-Sea Exchange in Geochemical Cycling, basic concepts like steady-state, residence time and response time, stability or instability of the system, were often evoked by several speakers. It was therefore important that the participants became rapidly acquainted with these concepts.
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