منابع مشابه
7. Silicones in Coatings
In contrast to the low-level use of silicone polymers as additives, silicone resins can be major components of the coating. Here they are used as binders or co-binders, imparting important benefits such as durability throughout the life of the coating. Silicone resins offer resistance to weathering in paints for exterior surfaces such as bridges and metal cladding on buildings. They also provid...
متن کاملThe American Midland Naturalist
—Defining the trophic position of stream organisms is a first step in understanding the ecology of lotic systems. Whereas trophic positions of stream fishes have been traditionally assigned based on dietary analysis, stable isotope ratios may provide additional information on the validity of this approach and may be used to verify energy acquisition assumed from dietary studies. In this study, ...
متن کاملThe American Midland Naturalist
—Ascertaining the functions bird song requires information about when and where a song or, for males with multisong repertoires, songs are used. Because the need for and type of communication with mates and conspecifics changes with breeding stage and social context, detailed observations may reveal differential use of song or of different song types. Our objective was to examine the use, and d...
متن کاملThe American Midland Naturalist
—We sampled fishes and aquatic insects monthly ( Jun.–Sept. 2002) from intermittent tributaries of the Alum Fork of the Saline River (Arkansas, U.S.A.) to quantify the response of fish and aquatic insect assemblage properties to seasonal desiccation and habitat fragmentation. We collected a total of 4219 individuals, representing 18 species of fishes and 27 families of aquatic insects. Changes ...
متن کاملSwiss Alpine and Midland Intonation
The present paper discusses the intonational features of 3 Swiss German dialects: Valais Swiss German (WS), representing the Alpine variety, and Zurich (ZH) and Berne (BE) Swiss German, representing the Midland dialects. By application of the Fujisaki intonation model, 24 speakers of the mentioned dialects are investigated according to their global as well as local intonational features. The BE...
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ژورنال
عنوان ژورنال: Silicon
سال: 2011
ISSN: 1876-990X,1876-9918
DOI: 10.1007/s12633-011-9089-4