Quintessa
Update |
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August 2000 |
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Welcome to the August 2000 edition of the Quintessa Update which provides a brief overview of some of our recent activities. Further information can be found at www.quintessa.org.
On the 4
To meet the need for accurate simulation of solute migration in groundwater, Quintessa has developed MaTADoR, a new 2D flow and transport simulator. Based on accurate mixed finite-element flow field solutions and non-uniform gridding techniques, MaTADoR can be utilised to simulate anisotropic heterogeneous and fractured regions at realistic spatial scales. At present, MaTADoR is being used in an attempt to understand the effect of connectivity of fractures in peak breakthrough flux calculations ....
In recent months there has been increasing interest in adapting performance assessment approaches developed for radioactive waste disposal to the underground storage of carbon dioxide, in response to growing concerns about global warming. Please see www.ieagreen.org.uk for up-to-date information on the IEA Greenhouse Gas R&D Programme.
Quintessa is involved in a successful bid to
the European Community to study the potential for the sequestration of
CO
In 1770, Waring made the statement that every natural number (1, 2, 3, ...) can be expressed as the sum of at most 4 squares of natural numbers, 9 cubes of natural numbers, and so on. The statement was proved by Hilbert in 1909. In the special case of cubes, it turns out that most of the natural numbers can be expressed as the sum of at most 8 cubes. For example,
The question is: Which numbers cannot be expressed as the sum of at most 8 cubes? The sender of the first correct reply received by e-mail will receive a bottle of Quintessa Whisky. |
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