The effect of extraction methodology on the recovery and distribution of naphthenic acids of oilfield produced water

Singular value decomposition and least squares solutions

Gene H. Golub, C. Reinsch · Numerische Mathematik · 1970 · 2.9K citations

Natural Sciences, Mathematics, Differential Equations +10

Centering, scaling, and transformations: improving the biological information content of metabolomics data

Robert A. van den Berg, Huub C. J. Hoefsloot, Johan A. Westerhuis et al. · BMC Genomics · 2006 · 2.4K citations · Full text

Life Sciences, Biochemistry, Biostatistics +16

A generalized Kruskal-Wallis test for comparing K samples subject to unequal patterns of censorship

Norman E. Breslow · Biometrika · 1970 · 1.4K citations

Law, Biostatistics, Discrimination +4

Resolution and Identification of Elemental Compositions for More than 3000 Crude Acids in Heavy Petroleum by Negative-Ion Microelectrospray High-Field Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

Kuangnan Qian, Winston K. Robbins, Christine A. Hughey et al. · Energy & Fuels · 2001 · 400 citations

Natural Sciences, Chemistry, Petroleum Engineering +13

Characterization of naphthenic acids in oil sands wastewaters by gas chromatography-mass spectrometry

Fervone M. Holowenko · Water Research · 2002 · 381 citations

Engineering, Chemical Engineering, Environmental Engineering +9