Search Results - "4Columns"

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  1. 1
    Dissolved organic matter (dom) and heavy metals in waterfalls water in Kelantan

    Dissolved organic matter (dom) and heavy metals in waterfalls water in Kelantan by Abdul Mutalib, Abdullah

    Published 2007
    “…DOM fractions were made with membrane filtration, and total DOM was trapped on C-18 and XAD-4 columns through the SPE technique. The metallic elements were determined in water samples using F AAS and GF AAS. …”
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  2. 2
    Crystallisation and crystal structure studies of some TCNQ salts

    Crystallisation and crystal structure studies of some TCNQ salts by Houghton, Timothy James

    Published 1980
    “…TCNQ moieties arranged in 4 columns of diads along c with an interplanar separation of 3.10 Angstrem within the diad. …”
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  3. 3
    Evaluation of effectiveness parameters on gas dehydration plant

    Evaluation of effectiveness parameters on gas dehydration plant by Chen Sing, Winnie Lo

    Published 2012
    “…Same condition obtained as increasing pressure.However,water absorption rate increases with the increasing number of theoretical stages.The optimum condition of gas dehydration was at 2000kPa with 1000m3/h gas flow rate and 4 column theoretical stages.…”
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  4. 4
    Comparison of extraction and work up techniques for analysis of core and intact polar tetraether lipids from sedimentary environments

    Comparison of extraction and work up techniques for analysis of core and intact polar tetraether lipids from sedimentary environments by Lengger, Sabine, Hopmans, E., Damste, S., Schouten, S.

    Published 2012
    “…However, the silica column, as wellas drying over a Na2SO4 column, resulted in a loss of the hexose, phosphohexose IPLs by up to 80%.Based on the results, a modified Bligh–Dyer extraction with as little further treatment as possible isrecommended to allow measurement of the full range of IPL GDGTs in sediments.…”
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