284 research outputs found

    Determination of petroleum-degrading bacteria isolated from crude oil-contaminated soil in Turkey

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    In order to establish an experimental basis for bioremediation of soil  contaminated with crude oil, 33 strains of bacteria with hydrocarbon-degrading ability were isolated from the contaminated soil in Adana, Batman and Adiyaman, Turkey. The strains were identified as Pseudomons spp.,  Paucimonas lemoignei, Stenotrophomonas maltophilia, Eschericha spp.,  Enterobacter spp. Citrobacter koseri, Acinetobacter spp., Aeromonas caviae,  Sphingobacterium multivorum, Klebsiella pneumoniae. Pseudomons  aeruginosa, Pseudomonas putida biotype A, Citrobacter amalonaticus GC subgroup A and Acinetobacter genomospecies, respectively. The ability to utilize crude oil as carbon source for their growth was ascertained. These bacterial isolates obtained in this study have catabolic capabilities for the biodegradation of petroleum hydrocarbons. Further study under soil conditions may be necessary to determine biodegradation potential of bacterial mixture tested in contaminated soil.Key words: Soil, crude oil, soil pollution, bacteria, biodegradation

    Compressed representation of a partially defined integer function over multiple arguments

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    In OLAP (OnLine Analitical Processing) data are analysed in an n-dimensional cube. The cube may be represented as a partially defined function over n arguments. Considering that often the function is not defined everywhere, we ask: is there a known way of representing the function or the points in which it is defined, in a more compact manner than the trivial one

    Searches for electroweak production of charginos, neutralinos, and sleptons decaying to leptons and W, Z, and Higgs bosons in pp collisions at 8 TeV

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    Measurement of prompt J/ψ pair production in pp collisions at √s = 7 Tev

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    Study of hadronic event-shape variables in multijet final states in pp collisions at √s=7 TeV

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    Constraints on parton distribution functions and extraction of the strong coupling constant from the inclusive jet cross section in pp collisions at √s=7 TeV

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    Observation of the diphoton decay of the Higgs boson and measurement of its properties

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