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The objectives of this study were to create the computer game for self-practice in proofreading and to evaluate the program quality, efficiency, and satisfaction of the players. The computer game was created following the idea of photo hunt and the program qualities were evaluated by 5 experts in publication and 3 experts in game design using questionnaire of 5-rating scale. The player samples consisted...
The capacity and performance of small-scale column, containing coarse particles of metal hydroxide sludge, were evaluated using 30mgl -1 dye solutions of C.I. Reactive Red 141. The studied bed depths were 2.5-20cm and the studied flow rates were 1.1, 2.2 and 3.3mlmin -1 cm -2 . At the breakthrough point of 0.1C t /C 0 , the breakthrough volume...
The capacity and mechanism of metal hydroxide sludge in removing azo reactive dyes from aqueous solution was investigated with different parameters, such as charge amount of dyes, system pH, adsorbent particle size, and adsorbent dosage. The three anionic dyes used were CI Reactive Red 2, CI Reactive Red 120, and CI Reactive Red 141, increasing in number of sulfonic groups, respectively. Only 0.2%...
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