Výsledky vyhledávání - "J. R. C. Rocha"

SPECTROPHOTOMETRIC EVALUATION OF THE CONCENTRATIONS OF THE NITRATE ION IN WATER RESOURCES OF PARANAGUÁ AND PONTAL DO PARANÁ

Autor: A. C. C. Silva, J. R. C. Rocha, G. L. G. Souza

Publikováno v: Periódico Tchê Química. 15:201-209

Nitrogen is an important chemical element due to biological reactions, including nutrient cycling. This process transforms organic matter into food for plants and other organisms. Some species can absorb the ammonium ion, but this one presents high t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c747d78e4a5218dd1dc32070d5b48ccb
https://doi.org/10.52571/ptq.v15.n30.2018.204_periodico30_pgs_201_209.pdf

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EVALUATION OF THE INFLUENCE OF THE TIDES ON THE PHYSICALCHEMICAL PARAMETERS PRESENT IN THE WATERS OF THE GUARAGUAÇU RIVER - PR

Autor: I. Staszczak, J. R. C. Rocha

Publikováno v: Periódico Tchê Química. 15:177-184

The GuaraguaçU River is an important Paranaense coastal ecosystem. As this water body approaches the mouth of the river, fresh water is gradually mixed with the salt water of the ocean by the action of the tidal cycle, thus characterizing the estuar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::443aef789ab9927e8f0cd51ca78170e8
https://doi.org/10.52571/ptq.v15.n30.2018.180_periodico30_pgs_177_184.pdf

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