32 research outputs found

    Tribologie 3: Workshop tribologische Aspekte in der Fertigungstechnik

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    Available from TIB Hannover: RR 6321(1997,6) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman

    Fundamentals of packaging

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    16.30SIGLELD:82/15469(Fundamentals). / BLDSC - British Library Document Supply CentreGBUnited Kingdo

    Saline lakes

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    Diatom assemblages are described from surface sediments in thirteen salt lakes located in the southern Bolivian Altiplano. Factor analysis of correspondences and cluster analysis are used to classify the diatom assemblages. New methods are proposed to establish the qualitative and quantitative relationships between diatom floras and ecological parameters. Diatom assemblages are linked more to the ionic elements than to the salinity, pH, depth, temperature or elevation. Environmental variables are divided into three modalities which allow considerations of many different variables not under the same units. (Résumé d'auteur

    Environmental effects of using more coal

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    SIGLELD:8374(37) / BLDSC - British Library Document Supply CentreGBUnited Kingdo
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