A Bibliometric Analysis of the Performance of Water Research Ming-Huang Wang1, Te-Chen Yu2 and Yuh-Shan Ho1,2* 1 Department of Environmental Sciences, College of Environmental Sciences and Engineering, Peking University, Beijing, 100871, People’s Republic of China 2 Trend Research Centre, Asia University, Taichung 41354, Taiwan *Author to whom all correspondence should be addressed Tel: 866 4 2332 3456 ext. 1797 Fax: 866 4 2330 5834 E-mail: ysho@asia.edu.tw Most-frequently cited articles for each year from 1967 to 2008 Year NAU Author 1967 2 Mount, DI; Brungs, WA Title Country TC A simplified dosing apparatus for fish toxicology studies - 422 1968 1 Brown, VM Calculation of acute toxicity of mixtures of poisons to - 158 - 101 rainbow trout 1969 2 Lloyd, R; Orr, LD Diuretic response by rainbow trout to sub-lethal concentrations of ammonia 1970 2 Harwood, JE; Kuhn, AL Colorimetric method for ammonia in natural waters - 132 1971 2 Weddle, CL; Jenkins, D Viability and activity of activated sludge - 121 1972 2 Skidmore, JF; Tovell, PWA Toxic effects of zinc sulfate on gills of rainbow-trout - 190 1973 3 Chudoba, J; Grau, P; Ottova, V Control of activated-sludge filamentous bulking. 2. selection Czechoslovakia 152 UK 141 Netherlands 250 of microorganisms by means of a selector 1974 1 Gardiner, J Chemistry of cadmium in natural-water. 2. adsorption of cadmium on river muds and naturally occurring solids 1975 1 Eikelboom, DH Filamentous organisms observed in activated-sludge 1976 2 Hoigne, J; Bader, H Role of hydroxyl radical reactions in ozonation processes in Switzerland 361 aqueous-solutions 1977 1 Florence, TM Trace-metal species in fresh waters Australia 149 1978 3 Verdouw, H; Vanechteld, CJA; Ammonia determination based on indophenol formation Netherlands 335 Dekkers, EMJ with sodium salicylate Karickhoff, SW; Brown, DS; Sorption of hydrophobic pollutants on natural sediments USA 1567 The effect of concentration of adsorbing solids on the USA 252 1979 3 Scott, TA 1980 2 Oconnor, DJ; Connolly, JP partition-coefficient 1981 2 Bader, H; Hoigne, J Determination of ozone in water by the indigo method Switzerland 637 1982 2 Pierce, ML; Moore, CB Adsorption of arsenite and arsenate on amorphous iron USA 467 hydroxide 1983 2 Hoigne, J; Bader, H Rate constants of reactions of ozone with organic and Switzerland 518 France 190 Switzerland 253 Australia 257 207 inorganic-compounds in water. 1. non-dissociating organic-compounds 1984 3 1985 4 Blanchard, G; Maunaye, M; Removal of heavy-metals from waters by means of natural Martin, G zeolites Hoigne, J; Bader, H; Haag, WR; Rate constants of reactions of ozone with organic and Staehelin, J inorganic-compounds in water. 3. inorganic-compounds and radicals 1986 1 Matthews, RW Photooxidation of organic material in aqueous suspensions of titanium-dioxide 1987 4 Henze, M; Grady, CPL; Gujer, W; A general-model for single-sludge waste-water treatment USA; Switzerland; Marais, GVR; Matsuo,T systems South Africa; Japan; Denmark 1988 3 Xue, HB; Stumm, W; Sigg, L The binding of heavy-metals to algal surfaces Switzerland 204 1989 4 Sotelo, JL; Beltran, FJ; Benitez, Henrys law constant for the ozone water-system Spain 139 Purification of water with near-UV illuminated suspensions Australia 164 FJ; Beltranheredia, J 1990 1 Matthews, RW of titanium-dioxide 1991 3 Takacs, I; Patry, GG; Nolasco, D A dynamic-model of the clarification thickening process Canada 250 1992 1 Kuo, WG Decolorizing dye waste-water with Fenton reagent Taiwan 283 1993 3 Urbain, V; Block, JC; Manem, J Bioflocculation in activated-sludge - an analytic approach France 227 1994 3 Ahel, M; Giger, W; Koch, M Behavior of alkylphenol polyethoxylate surfactants in the Switzerland; Croatia 417 aquatic environment. 1. occurrence and transformation in sewage-treatment 1995 2 Blackburn, MA; Waldock, MJ Concentrations of alkylphenols in rivers and estuaries in UK 253 Denmark 300 Taiwan 155 Germany 631 england and wales 1996 4 1997 3 Frolund, B; Palmgren , R; Keiding, Extraction of extracellular polymers from activated sludge K; Nielsen, PH using a cation exchange resin Chang, JS; Law, R; Chang, CC Biosorption of lead, copper and cadmium by biomass of pseudomonas aeruginosa PU21 1998 1 Ternes, TA Occurrence of drugs in German sewage treatment plants and rivers 1999 2 Ho, YS; Mckay, G The sorption of lead(II) ions on peat Hong Kong; Taiwan 217 2000 2 Ho, YS; Mckay, G The kinetics of sorption of divalent metal ions onto Hong Kong 368 Taiwan 135 sphagnum moss flat 2001 3 Wu, FC; Tseng, RL; Juang, RS Kinetic modeling of liquid-phase adsorption of reactive dyes and metal ions on chitosan 2002 2 Mohan, D; Singh, KP Single- and multi-component adsorption of cadmium and India 150 zinc using activated carbon derived from bagasse - an agricultural waste 2003 1 Ho, YS Removal of copper ions from aqueous solution by tree fern Taiwan 133 2004 4 Carballa, M; Omil, F; Lema, JM; Behavior of pharmaceuticals, cosmetics and hormones in a Spain; Germany 153 Llompart, M; Garcia-Jares, C; sewage treatment plant Rodriguez, I; Gomez, M; Ternes, T NAU: Number of author, TC: Total times cited from it published to 2008