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    ABSTRACT: This research compared 2 types of model (regression model and artificial neural network) for prediction of glue content for sealing toothpaste carton from 4 sealing process factors, i.e., production line, diameter of toothpaste tube, pressure in glue nozzle during applying glue onto a toothpaste carton and glue temperature in a glue tank. Models under study included 3 regression models, i.e., multiple regression, polynomial regression and stepwise regression,and backpropagation neural network (BPN). The results indicated that the BPN model possessed higher prediction accuracy and generalization capability and lower bias. The best BPN model had a structure of 4-10-1 with the mean absolute error (MAE) of validating data set of 0.04 gram. In addition, the BPN model identified that the most influential sealing process factors affecting the prediction of glue content were pressure in glue nozzle and glue temperaturein the glue tank. The packing department should concentrate on monitoring the value of both factors to control the consistency of glue usage.
    Full-text · Article · Dec 2015
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    ABSTRACT: This works mention on improvement of power conversion efficiency of dye-sensitized solar cell by addition of SnO2 into ZnO photoanode. Power conversion efficiency is achieved by reduction of transfer resistance to induce pathway direction for electron transfer in photoanode which observed in term of steady photocurrent density. Dye-sensitized solar cell was fabricated from additive SnO2 weight ratio of 3-9% in ZnO nanoparticles and dissolved into polyethylene glycol solution. SnO2-ZnO composites were prepared on fluorine doped tin oxide glass substrate by doctor blade technique and annealed at 450 ̊C for 1 h. It was found that the SnO2 weight ratio of 7% showed the maximum power conversion efficiency and fill factor of 1.75% and 0.46, respectively. In addition, electrochemical parameters were calculated from electrochemical impedance spectroscopy data under standard simulated sunlight. Transfer resistance at the interfaces and electron life time were decreased as increasing of SnO2 weight ratio, indicated that electron transferring rate was improved.
    Full-text · Article · Dec 2015
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    ABSTRACT: This research was intended to use electric motor in order to replace fossil fuel consumption engines. By focusing on the development of electrical propulsion system (EPS), one had to find the motor which was compatible with 4 m length boat model. The target of this development was attempting to design the electric drive which could reach up to 5 knots. The electricity of EPS was supplied by 4 batteries providing 24 volts of direct current, while thrust of the vessel was delivered by 3-phases 2.2kW squirrel cage induction motor. The in-house designed inverter, converting from direct current system to 3-phase system, was coupled between batteries. The onsite experiment was carried out in the open-sea at Sriracha Bay, west of the campus. The results indicated that the maximum speed of the system could reach 5 knots within 1 kilometre distance.
    Full-text · Article · Nov 2015 · Energy Procedia

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    Bangkok, Thailand
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    http://flas.kps.ku.ac.th/
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Top publications last week by reads

 
Biochimica et Biophysica Acta (BBA) - Biomembranes 02/2016; DOI:10.1016/j.bbamem.2016.02.004
139 Reads
 
Plant Growth Regulation 12/2014; 75(2):391-404.
44 Reads

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Collaborations

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Rg score distribution

See how the RG Scores of researchers from Kasetsart University are distributed.