Repository -- Universitas Riau
Contains documents published by the Universitas Riau in the form of electronic documents include undergraduate student papers, scientific papers outstanding students, faculty research reports, inaugural speech professor, proceeding and data on University of Riau (UR-ana).
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Variza, Nadita
(Elfitra, 2022-11)
Polyhydroxyalkanoate (PHA) is a biodegradable polymer substitute for synthetic
plastics accumulated naturally in bacteria as a reserve of carbon and intracellular energy
under unbalanced environmental conditions.This ...
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Ikhsan, Muhammad
(Elfitra, 2022-11)
Social media such as Twitter, Instagram, and Facebook are the most popular
communication media used worldwide. Twitter is used to express user opinions and
emotions on something, both praising or criticizing. The emotions ...
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Rahmafitri, Messy
(Elfitra, 2022-11)
This article discusses Zillmer reserve of endowment insurance for single insurance
participant who are x years old using the interest rate model of Vasicek and Weibull
distribution. The parameters in the model is estimated ...
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Auranda, Laksmitha
(Elfitra, 2022-11)
Wastewater pollution has become a serious environmental problem for the human and
other living organisms. The source of waste could be originated from dye residues.
Effluent from textile industry contain recalcitrant ...
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Nadyani, Kartina
(Elfitra, 2022-11)
Laccase is enzyme can be produced by the fungus Trichoderma asperellum
LBKURCC1 that was isolated from cacao rhizosphere soil in Riau plantation area.
This study aimed to determine the optimum pH and temperature for ...
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