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15.412  Articles
1 of 1.542 pages  |  10  records  |  more records»
The problem of discipline is an issue that is considered common in the classroom setting.  The researcher found that the lack of discipline in some students in a grade 3 elementary school in Kupang made the atmosphere in the classroom uncomfortable a... see more

In this study, the utilization of sugarcane bagasse biochar (SCBB) as a solid catalyst was investigated for biodiesel production from palm oil industry waste residue. The catalyst was synthesized by sulfonation of SCBB to attach sulfonate functional group... see more

Penggunaan katalis asam homogen memiliki kelemahan dalam pemisahan katalis dari media reaksi. Oleh karena itu, diperlukan pengembangan katalis heterogen (padat) yang lebih mudah dipisahkan dari media reaksi sehingga dapat menyederhanakan tahap produksi. P... see more

Penggunaan katalis asam homogen memiliki kelemahan dalam pemisahan katalis dari media reaksi. Oleh karena itu, diperlukan pengembangan katalis heterogen (padat) yang lebih mudah dipisahkan dari media reaksi sehingga dapat menyederhanakan tahap produksi. P... see more

This study aims to combine two modification methods, namely enzymatic hydrolysis and covalent attachment with hydrophobic groups, to increase the emulsifying properties of gelatin. The experiment was conducted by using a completely randomized design with ... see more

Penggunaan katalis asam homogen memiliki kelemahan dalam pemisahan katalis dari media reaksi. Oleh karena itu, diperlukan pengembangan katalis heterogen (padat) yang lebih mudah dipisahkan dari media reaksi sehingga dapat menyederhanakan tahap produksi. P... see more

Calophyllum inophyllum methyl esters have a low oxidation stability value (5-6 h) caused by high amounts of polyunsaturated fatty acid methyl esters (FAME), especially methyl linoleate. Partial hydrogenation was done to reduce the number of polyunsaturate... see more

ABSTRACTMethyl Ester Surfactant (MES) is produced from sulphonation process between methyl ester and sulphonating agent, such as NaHCO3.  This research aim was to find the condition of optimum process to produce in MES surfactant.   The ana... see more

Penggunaan katalis asam homogen memiliki kelemahan dalam pemisahan katalis dari media reaksi. Oleh karena itu, diperlukan pengembangan katalis heterogen (padat) yang lebih mudah dipisahkan dari media reaksi sehingga dapat menyederhanakan tahap produksi. P... see more

1 of 1.542 pages  |  10  records  |  more records»