Titlebook: Surface Forces; B. V. Derjaguin,N. V. Churaev,V. M. Muller Book 1987 Springer Science+Business Media New York 1987 Sorption.adsorption.atm

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onment of sand deposition is more closely determined by its place in such depositional systems than by criteria based on textural characteristics-the "fingerprint" approach. Our revi­ sion reflects this change in thinking. As in the geological sciences as a whole, the concept of plate tectonics has

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B. V. Derjaguin,N. V. Churaev,V. M. Mullernous or carbonate sands. The more inclusive term . refers to clastic sedimentary materials rich in volcanic debris which may be either of pyroclastic origin or a normal terrigenous (epiclastic) sand derived from an older volcanic terrane (discussed in detail in Chap. 6).

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B. V. Derjaguin,N. V. Churaev,V. M. Mullerind es doch erfahrungsgemäß diese drei engen Stellen, welche begreiflicherweise von den Steinen bevorzugt werden. Ein Stein kann selbstverständlich nur dann in den Harnleiter gelangen, wenn das Lumen des Harnleiters entsprechend groß ist; und es wird, wie ohneweiters klar ist, zumindest teilweise vo

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B. V. Derjaguin,N. V. Churaev,V. M. Mullerelbst, die ja mit Ausnahme der Fossa navicularis beim Manne gewöhnlich ein ziemlich großes Kaliber hat und meistens dehnbar ist, werden schon vorhandene Verengerungen jeglicher Art den Stein bei seinem Durchtritt aufhalten können. Die Steine können naturgemäß an jeder Stelle der Harnröhre steckenble

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B. V. Derjaguin,N. V. Churaev,V. M. Mullermatostatin since passive immunization with antibodies to somatostatin leads to an increase in basal GH secretion [25]. The exact nature of hypothalamic secretion of somatostatin and GHRH is speculated to be reciprocal (Fig. 1) [18, 22]. This hypothesis has been supported by direct sampling of hypoph

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B. V. Derjaguin,N. V. Churaev,V. M. Mullerhly simplified approach in which interactions are reduced to a minimum, as opposed to the much more complicated interactions characteristic of “moist” granular materials. In what follows, we shall concern ourselves almost exclusively with dry granulars. These have not always commanded much in the wa