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Flat and weakly flat projection algebras
Algebra Universalis, 2002The concept of a projection algebra was introduced by \textit{H.\ Ehrig} and his collaborators as an algebraic version of ultrametric spaces. This concept is useful in computer science as a convenient tool for algebraic specification of process algebras. By \(\mathcal{PRO}\) is denoted the category of projection algebras.
Ebrahimi, M. Mehdi, Mahmoudi, M.
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Journal of Hydrology, 2018
Salt flat brines are a major source of minerals and especially lithium. Moreover, valuable wetlands with delicate ecologies are also commonly present at the margins of salt flats.
M. A. Marazuela +5 more
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Salt flat brines are a major source of minerals and especially lithium. Moreover, valuable wetlands with delicate ecologies are also commonly present at the margins of salt flats.
M. A. Marazuela +5 more
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Housing size and housing market dynamics: The case of micro-flats in Hong Kong
Land Use Policy, 2018Although housing sizes in Hong Kong have typically been smaller than those in other places, micro-flats of less than 40 square metres have become more prevalent in recent years.
Man-yiu. Lau, Xueji Wei
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ACM SIGGRAPH 2012 Computer Animation Festival, 2012
Flat Frog is based on the misadventures of two rustic frogs that are always anxious to cross the road in search of females. Ever the ignorant optimists, the two rubes manage to get run over again and again out on the road but this never seems to dampen.
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Flat Frog is based on the misadventures of two rustic frogs that are always anxious to cross the road in search of females. Ever the ignorant optimists, the two rubes manage to get run over again and again out on the road but this never seems to dampen.
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Relative flatness measurement of uncoated optical flats
Applied Optics, 1975A method is described for measuring the relative flatness of uncoated precision optical flats to lambda/1000. The method uses scanning interferometry and can be made automatic fairly readily.
C F, Bruce, F P, Sharples
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Pullback-Flat Acts are Strongly Flat
Canadian Mathematical Bulletin, 1991AbstractLet 5 be a monoid. A right S-system A is called strongly flat if the functor A ⊗ — (from the category of left S-systems into the category of sets) preserves pullbacksand equalizers. (This concept arises in B. Stenström, Math. Nachr. 48(1971), 315-334 under the name weak flatness). The main result of the present paper is a proof that for A to be
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Of Mud Flats, Mixed Mud Flats and Sand Flats
German Research, 2004AbstractThe extended tidal mud flats found in various climate zones are a result of the tides. Using the southern North Sea as their research area, scientists study how ecological processes operate in the threatened “Wadden Sea ...
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The global distribution and trajectory of tidal flats
Nature, 2018N. Murray +8 more
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