980 resultados para GROWN GAAS
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"Supersedes Technical bulletin no. 907, Classification of barley varieties grown in the United States and Canada in 1945."
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"The work represented by this publication was supported by the Bankhead-Jones research fund. It was initiated in the Bureau of chemistry and soils (now the Bureau of agricultural chemistry and engineering) and was later transferred to the Bureau of plant industry."--P. 1.
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Includes index.
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"Catalogue of pears": p. 271-283.
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"Table of the works referred to": p. 9-10.
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At head of title: Royal botanic gardens, Kew.
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Continued by U.S. Agricultural Marketing Service. Agricultural Information Bulletin After 1953
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Mode of access: Internet.
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Includes bibliography.
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2d ed.
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Prepared for the U. S. Environmental Protection Agency, Office of Research and Development, Monitoring Systems Research and Development Division, Environmental Monitoring and Support Laboratory, Las Vegas, Nev.
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Electron backscattering diffraction has been applied on polycrystalline diamond films grown using microwave plasma assisted chemical vapour deposition on silicon substrate, in order to provide a map of the individual diamond grains, grain boundary, and the crystal orientation of discrete crystallites. The nucleation rate and orientation are strongly affected by using a voltage bias on the substrate to influence and enhance the nucleation process, the bias enhanced nucleation process. In this work, the diamond surface is mapped using electron backscattering diffraction, then a layer of a few microns is ion milled away exposing a lower layer for analysis and so on. This then permits a three dimensions reconstruction of the film texture.