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74.519  Articles
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Eugenol is the active molecule naturally found in clove oil. The calculations have been done for the eugenol and its derivatives computationally. This computational calculation aims to obtain a stable structure and electronic properties of eugenol, methyl... see more

Aeroplysinin-1 is naturally found from marine sponges as an anti-bacterial compound. Computational calculation and molecular docking were performed for aeroplysinin. Aeroplysinin as an inhibitor has optimized in the gas phase using DFT with 6-31G(d) funct... see more

The study evaluated the antioxidant and hypoglycaemic potentials of the ethanol flower extract of Bougainvillea spectabilis. Flower extract of Bougainvillea spectabilis were obtained by cold maceration method. The preliminary phytochemical screening and h... see more

Mata pelajaran kimia merupakan mata pelajaran di tingkat sekolah menengah atas yang sering dianggap sulit dipahami oleh siswa. Tantangan yang sering dihadapi oleh sebagian guru kimia di tingkat Sekolah Menengah Atas (SMA) di kota Samarinda adalah meningka... see more

Hydrogen is an alternative energy source for fossil fuels. One of molecules that have an ability to store hydrogen is Semibuckminsterfullerene. This study was conducted to find out the optimum distance in adding hydrogen and the phenomenon of energy produ... see more

Lawsone is a dye which found in henna plant. Computational calculations have been done for the lawsone and its derivatives. This computational calculation aims to obtain a stable optimized structure and electronic properties to predict potency of lawsone ... see more

This study aimed at discussing the philosophical basis of the fatwa of Muhammadiyah and Nahdatul Ulama at Labuhanbatu Regency regarding changes in worship activities due to Covid 19. This study was descriptive field research. Data collection techniques us... see more

Polygamy is one issue that is always hot to study because it creates contradictions in understanding it. Some allow it absolutely, and some forbid it regardless of whether or not there are conditions that must be met for those who want to become polygamou... see more

This study aims to control the characterization and mechanical properties of smelting Al-Cu Alloy through Hold-Melt Time. This research uses aluminum scrap and copper wire scrap to produce quality as-cast ingots, clean the environment, and increase waste ... see more

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