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Isabella T. Tomasi, Sílvia C. R. Santos, Rui A. R. Boaventura and Cidália M. S. Botelho
Tannins are natural polyphenolic compounds widely found in plants. The production of natural coagulants for water treatment is one of their new applications. Polyphenols extraction is the first step for synthesizing tannin-based coagulants. Eucalyptus gl...
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Jozef Jurko, Martin Mi?kiv-Pavlík, Vratislav Hladký, Peter Lazorík, Peter Michalík and Igor Petru?ka
One of the most important operations in the technological production process is the inspection of the manufactured product. The gradual wear of the tool affects the achievement of the required quality of the functional surfaces. In this research, we pres...
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Fajar Perdana Nurullah, Abdul Muhyi, Devia Gahana Cindi Alfian
Pág. 299 - 306
The use of composite materials continues to show an increasing trend in various fields such as sports, aviation and the military. This also increases the need for knowledge about the manufacturing process of composites. One of the most widely used compos...
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Deog-Jae Hur, Suk-Hwan Jeong, Seong-Il Song and Jung-Hun Noh
The onboard charger (OBC)/low-voltage DC-DC converter (LDC) integrated power inverter for electric vehicles comprises multiple electrical elements that can heat up, which can cause performance degradation and system instability issues in electric vehicle...
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Rosario Domingo, Beatriz de Agustina and Marta M. Marín
The use of cooling air during machining is an environmentally conscious procedure, and its applicability to different processes is a research priority. We studied tapping operations, an important operation in the assembly process, using cooling air with ...
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Elisangêla Tavares Silva, Kelly Roberta Spacino, Lívia Ramazzoti Chanan Silva, Érica Signori Romagnoli, Karina Gomes Angilelli, Dionisio Borsato
Pág. e35108
Antioxidants are an alternative to prevent or retard the degradation of biofuels. In this study was utilized biodiesel obtained from the soybean oil transesterification, by methylic route, using sodium methoxide as catalyst. The synthetic antioxida...
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Marina Corral Bobadilla, Rubén Lostado Lorza, Rubén Escribano García, Fátima Somovilla Gómez and Eliseo P. Vergara González
The exhaustion of natural resources has increased petroleum prices and the environmental impact of oil has stimulated the search for an alternative source of energy such as biodiesel. Waste cooking oil is a potential replacement for vegetable oils in the...
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