972 resultados para Two-dimensional cutting stock


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"Task 9R99-01-005-04. Contract DA 44-177-TC-710."

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"Prepared for U.S. Atomic Energy Commission under contract W-7405-eng-92."

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Work performed at CANEL.

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"Project 9R-38-01-000, Task 902. Contract DA 44-177-TC-439. U. S. Army Transportation Research Command, Transportation Corps, Fort Eustis, Virginia."

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"Project no. 9-38-01-000, Task 902. Contract no. DA 44-177-TC-439."

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Mode of access: Internet.

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Thesis (Ph.D.)--University of Washington, 2016-06

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The marsh porosity method, a type of thin slot wetting and drying algorithm in a two-dimensional finite element long wave hydrodynamic model, is discussed and analyzed to assess model performance. Tests, including comparisons to simple examples and theoretical calculations, examine the effects of varying the marsh porosity parameters. The findings demonstrate that the wetting and drying concept of marsh porosity, often used in finite element hydrodynamic modeling, can behave in a more complex manner than initially expected.

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The relationship between spot volume and variation for all protein spots observed on large format 2D gels when utilising silver stain technology and a model system based on mammalian NSO cell extracts is reported. By running multiple gels we have shown that the reproducibility of data generated in this way is dependent on individual protein spot volumes, which in turn are directly correlated with the coefficient of variation. The coefficients of variation across all observed protein spots were highest for low abundant proteins which are the primary contributors to process error, and lowest for more abundant proteins. Using the relationship between spot volume and coefficient of variation we show it is necessary to calculate variation for individual protein spot volumes. The inherent limitations of silver staining therefore mean that errors in individual protein spot volumes must be considered when assessing significant changes in protein spot volume and not global error. (C) 2003 Elsevier Science (USA). All rights reserved.