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36. The nitrogen cycle and its influence on the European greenhouse gas balance

Author

Sutton, M.A., Nemitz, E., Skiba, E., Beier, C., Butterbach-Bahl, K., Cellier, Pierre, Soussana, Jean-François, Centre for Ecology and Hydrology, University of Denmark, Institut für Meteorologie und Klimaforschung - Atmosphärische Umweltforschung (IMK-IFU), Karlsruher Institut für Technologie (KIT), Environnement et Grandes Cultures (EGC), Institut National de la Recherche Agronomique (INRA)-AgroParisTech, Collège de Direction (CODIR), Institut National de la Recherche Agronomique (INRA), Absent, Institute of Meteorology and Climate Research, AgroParisTech-Institut National de la Recherche Agronomique (INRA), UAR 0233 Collège de Direction, and Institut National de la Recherche Agronomique (INRA)-Direction Collégiale (DCOLL)-Collège de Direction (CODIR)

Subjects
[SDV]Life Sciences [q-bio]
Abstract

et 33 co-auteurs.NitroEurope IP - Integrated Project funded under the 6th Framework Programme 2006–2011Sutton, M. (ed.); Reis, S. (ed.); absent

Published
2011

38. Ветровые волны в прибрежной зоне Южного берега Крыма – оценка качества моделирования на основе морских натурных измерений

Author

Шокуров, М. В., primary, Дулов, В. А., additional, Скиба, Е. В., additional, Смолов, В. Е., additional, Shokurov, M. V., additional, Dulov, V. A., additional, Skiba,, E. V., additional, and Smolov, E., additional

Published
2016
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49. Examples Manual for Program MAVART

Author

DEFENCE RESEARCH ESTABLISHMENT ATLANTIC DARTMOUTH (NOVA SCOTIA), McMahon, G. W., Skiba, E. L., DEFENCE RESEARCH ESTABLISHMENT ATLANTIC DARTMOUTH (NOVA SCOTIA), McMahon, G. W., and Skiba, E. L.

Abstract

MAVART is a two-dimensional, dynamic finite-element code developed for DREA under research contracts to Canadian industry. It has been developed primarily for analysis of axisymmetric electroacoustic transducers, and the name is an acronym for the code's function, that is, a Model to Analyze the Vibrations and Acoustic Radiation of Transducers. It was first implemented in 1976, under a contract with Acres Consulting Services, Niagara Falls, Ontario. It has been revised and improved a number of times over the years, the latest version (MAVART9 - 1989) resulting from a contract with Ortech International, Mississauga. The main revision introduced in MAVART9 is the installation of the Waterloo University's SPARSPAK solver package, replacing the profile solver used in the previous version. Other new features are the addition of torsional analysis capability and the ability to conduct a resonance search on any specified degree-of-freedom. Contents: Test Problem Definition; General Approach To Problem Analysis; Series 1. Par Piezoelectric Spherical Shell; Series 2. PT Piezoelectric Ring; Series 3. Par Trilaminar Bender Disk; Series 4. Shell Thin Disk/Tube; Series 5. Analytical Fluid Problem; Series 6. Membrane; Series 7. Ring; Series 8. Damping Applications; Series 9. Ring Array, Rigid Node; Series 10. Torsional Problems. (KR), in English and French.

Published
1990

50. The Effect of Phenoxyacetic Herbicides on the Uptake of Copper, Zinc and Manganese by Triticum Aestivum L.

Author

Kobyłecka, J. and Skiba, E.

Subjects
*DICHLOROPHENOXYACETIC acid, *CROPS, *METAL ions, *HERBICIDES, *ORGANIC compounds, *COPPER
Abstract

2,4-dichlorophenoxyacetic acid (2,4-D) and 4-chloro-2-methylphenoxyacetic acid (MCPA) are active substances in many weed-killer agents commonly used for the protection of crops. The literature data accompanied by our former studies showed that in weak-acid and neutral environments these compounds react with bivalent metal ions and form complexes of limited solubility in water. It was assumed that the formation of the complexes can also occur between metals present in soil and herbicides used for plant spraying, which can reduce the uptake of the metals by the above-ground parts of the plants. Our studies concerned copper, zinc and manganese determination in wheat cultured using the pot method under laboratory conditions. Cultures were treated after sprouting with either 2,4-D or MCPA. The content of copper, manganese and zinc was determined in the wheat straw. In comparison with the content in plants untreated with herbicides, the respective values were lower by ~50% for Mn, 20% for Cu and 13% for Zn. [ABSTRACT FROM AUTHOR]

Published
2008

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