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Raquel Ibarra, Darío Bolaños-Guerrón and Luis Cumbal-Flores
This study evaluates the pollution of the Machángara River basin in Ecuador. For the assessment, water samples were pumped from the river for 1 to 4 h, with a representative water sample of 4 L collected. In the site and laboratory, the physicochemical p...
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Eva Ivani?ová, Marek Hornák, Matej Cech, Lubo? Harangozo, Miroslava Kacániová, Olga Grygorieva and Przemyslaw Lukasz Kowalczewski
The aim of this study was to determine antioxidant activity (DPPH and phosphomolybdenum method), polyphenols content (total polyphenols, flavonoids, and phenolic acids), mineral compounds composition (Cu, Zn, Mn, Fe, Cr, Ni, Co, Pb and Cd) and antimicrob...
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Guangxian Xu, Yinghai Jin and Junhee Song
Although aramid fiber has the advantage of excellent chemical and mechanical properties, the performance of the composites may be reduced due to the low interfacial adhesion between the fabric and the matrix. The surface of the aramid fiber was modified ...
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Kranthi Kumar Maniam and Shiladitya Paul
Electrodeposited zinc and zinc-alloy coatings have been extensively used in a wide variety of applications such as transport, automotive, marine, and aerospace owing to their good corrosion resistance and the potential to be economically competitive. As ...
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Richard Krumpolec, Tomá? Homola, David C. Cameron, Josef Humlícek, Ondrej Caha, Karla Kuldová, Raul Zazpe, Jan Prikryl and Jan M. Macak
Sequentially pulsed chemical vapour deposition was used to successfully deposit thin nanocrystalline films of copper(I) chloride using an atomic layer deposition system in order to investigate their application to UV optoelectronics. The films were depos...
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Vinícius de Kayser Ortolan, Thayse Hilgert, Juan José Howland, Luis Silva, Bernardo Fonseca Tutikian
Pág. 238 - 248
Increasing the lifespan of structures is of great importance for civil construction, either because of economic aspects or security to the users. Corrosion of reinforcement is one of the most recurring problems, especially in environments with high chlor...
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S.M. Mintenig, I. Int-Veen, M.G.J. Löder, S. Primpke, G. Gerdts
Pág. 365 - 372
The global presence of microplastic (MP) in aquatic ecosystems has been shown by various studies. However, neither MP concentrations nor their sources or sinks are completely known. Waste water treatment plants (WWTPs) are considered as significant point...
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