Articles with "mixed systems" as a keyword



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Properties of quaternary ammonium surfactant with hydroxyethyl group and anionic surfactant mixed systems

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Published in 2018 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2018.08.151

Abstract: Abstract The surface activities and application properties for the mixtures of cationic surfactant didecylmethylhydroxyethylammonium acetate (DEAQ) and anionic surfactant sodium fatty alcohol ether carboxylate (AEC9-Na) were studied systematically. The interaction parameters and thermodynamic micellization parameters… read more here.

Keywords: anionic surfactant; mixed systems; properties quaternary; quaternary ammonium ... See more keywords
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Systematic chemotaxonomic profiling and novel paleotemperature indices based on alkenones and alkenoates: Potential for disentangling mixed species input

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Published in 2019 at "Organic Geochemistry"

DOI: 10.1016/j.orggeochem.2018.12.008

Abstract: Abstract The unsaturation indices ( U 37 K , U 37 K' ) of long chain alkenones are powerful paleotemperature proxies and have been widely applied for sea surface temperature (SST) reconstructions in the past… read more here.

Keywords: paleotemperature; systematic chemotaxonomic; disentangling mixed; mixed systems ... See more keywords
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Some properties of the cumulative residual entropy of coherent and mixed systems

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Published in 2017 at "Journal of Applied Probability"

DOI: 10.1017/jpr.2017.6

Abstract: Abstract Recently, Rao et al. (2004) introduced an alternative measure of uncertainty known as the cumulative residual entropy (CRE). It is based on the survival (reliability) function F̅ instead of the probability density function f… read more here.

Keywords: coherent mixed; residual entropy; cumulative residual; entropy ... See more keywords
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Preservation of the mean residual life order for coherent and mixed systems

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Published in 2019 at "Journal of Applied Probability"

DOI: 10.1017/jpr.2019.11

Abstract: Abstract The signature of a coherent system has been studied extensively in the recent literature. Signatures are particularly useful in the comparison of coherent or mixed systems under a variety of stochastic orderings. Also, certain… read more here.

Keywords: coherent mixed; order; mean residual; coherent ... See more keywords
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Renyi entropy properties of mixed systems

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Published in 2017 at "Communications in Statistics - Theory and Methods"

DOI: 10.1080/03610926.2015.1006785

Abstract: ABSTRACT This paper deals with Renyi information properties of mixed systems when lifetimes of components are independent and identically distributed. The provided results are obtained by using the concept of Samaniego’s signature. Stochastic comparisons of… read more here.

Keywords: renyi entropy; mixed systems; properties mixed; entropy properties ... See more keywords
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Opportunities and constraints for adoption of maize-legume mixed cropping systems in Laos

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Published in 2020 at "International Journal of Agricultural Sustainability"

DOI: 10.1080/14735903.2020.1792680

Abstract: ABSTRACT Land use and land cover have rapidly changed in Kham basin, northern Laos, with a rapid expansion of maize cultivated area. While maize monoculture has contributed to reduce rural poverty, many farmers are now… read more here.

Keywords: opportunities constraints; maize legume; legume mixed; mixed systems ... See more keywords