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By combining the Subset-Combination Algorithm and the Personification-Heuristic Algorithm, a novel combinational heuristic algorithm for the Three-dimensional Knapsack Packing Problem (3D-KP) is presented. This algorithm is inspired by the lack of polynomial time exact algorithms for 3DKP because 3DKP belongs to NP-Hard. In the present study, both approximate performance and time cost are considered...
Polyester fabrics were subjected to low temperature plasma (LTP) exposure. The anti-static behaviours of the plasma treated fabric were greatly improved. The discharge power of 50 V and the electrode gap of 4 mm were recommended for an optimum result. Acrylic acid treatment further enhanced the anti-static properties of the specimens. Influences of the acid concentration, the treating duration and...
The synthesis of benzothiaxolyldiazoaminoazobenzene (BTDAB) is described, and a simple, rapid and sensitive procedure for spectrophotometric determination of nickel has been developed. At pH 9.4, in the presence of emulsifier p-octylpolyethyleneglycol phenylether (OP), the reagent reacts with nickel to form a red 1:3 (metal:ligand) complex. The nickel-BTDAB complex exhibit an adsorption maximum...
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