Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Elena MOŞANU"'
Publikováno v:
Present Environment and Sustainable Development, Vol 16, Iss 1, Pp 251-259 (2022)
In order to maintain fish life, the Council Directive of 18 July 1978 on the quality of freshwater, which must be protected or improved provides that non-ionized ammonia in salmon and cyprinid waters may be in concentrations of ≤ 0,005 mg/dm3 (indi
Externí odkaz:
https://doaj.org/article/621aba5ed94e45fc958f7197d152bdc3
Autor:
Maria Sandu, Anatol Tarita, Raisa Lozan, Natalia Zgircu, Elena Mosanu, Tatiana Goreacioc, Alexandru Zlotea, Anna Comarnitchi, Iulia Sidoren, Sergiu Turcan, Adrian Tarita
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 11, Iss 1, Pp 21-26 (2016)
The research results have marked a low value of the self-purification capacity for Beleu Lake water, between 0.12 and 0.19, which is of 1.2-2 times smaller than the one from Prut River (0.25), correlating positively with the values of BOD5, COD-Cr an
Externí odkaz:
https://doaj.org/article/fa39fd4324e847af91ebfedf2bf87abc
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 10, Iss 2, Pp 26-32 (2015)
The influence of substrates on the oxidation of reduced toxic forms of nitrogen in river water was investigated by laboratory modelling. Granite and expended clay accelerate the oxidation of ammonium and nitrite ions from 2 to 4 times. The presence o
Externí odkaz:
https://doaj.org/article/a6eb76bef7b14f4e84cd2697e94702ac
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 9, Iss 2, Pp 8-13 (2014)
The study relates to determination of nitrate in presence of nitrite in water and can be used in the quality monitoring of natural water (surface and groundwater), drinking water, water from fish farms and public aquaria where autonomous filters is u
Externí odkaz:
https://doaj.org/article/304365d9ec3641d2869cfc4490b3b495
Autor:
Maria Sandu, Anatol Tarita, Raisa Lozan, Viorica Gladchi, Gheorghe Duca, Sergiu Turcan, Elena Mosanu, Afanasie Prepelita
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 8, Iss 2, Pp 42-50 (2013)
The present study estimates chemical composition and status of the groundwater from the Dniester river basin. Research includes defining of springs/fountains location, evaluating physicochemical features of water, highlighting of main pollutants and
Externí odkaz:
https://doaj.org/article/ee706480758142b3b09daa95bf069d5b
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 5, Iss 1, Pp 78-83 (2010)
Nitrification is the oxidation of ammonia to nitrate, via nitrite and it occupies a central position within the global nitrogen cycle. Nitrifying bacteria are the organisms capable of converting the most reduced form of nitrogen, ammonia, to the most
Externí odkaz:
https://doaj.org/article/d2c90ae651b74b8a8c3c944f455b2a09
Autor:
Maria SANDU, Anatol TĂRÎŢĂ, Raisa LOZAN, Viorica GLADCHI, Gheorghe DUCA, Elena MOŞANU, Sergiu ŢURCAN
Publikováno v:
Studia Universitatis Moldaviae: Stiinte reale si ale naturii, Vol 0, Iss 6 (116) (2019)
Assessing the springs and pumps water quality (in the Nistru basin) it was found that in most of the districts there are sources of unpolluted water (8-58%), poorly polluted (10-56%) and moderately polluted (4-42%) waters with nitrates. Springs with
Externí odkaz:
https://doaj.org/article/efb19d1cc77e47fda079e4922ba6d58b
Publikováno v:
Studia Universitatis Moldaviae: Stiinte reale si ale naturii, Vol 0, Iss 1 (81) (2015)
Compuşii azotului amoniacal expun carbonaţii metalelor grele degradării chimice; ca rezultat, metalele solubilizate sunt spălate în apele naturale, poluându-le. Scopul investigaţiei constă în elucidarea particularităţilor interacţiunii di
Externí odkaz:
https://doaj.org/article/a1d5cfcaf93b4b5dbfa059fb9d3d9342
Publikováno v:
Bulletin of the Academy of Sciences of Moldova Life Sciences. :134-144
In the study was evaluated the ecological state of the waters of the EMERALD site "Pădurea Hânceşti" and the neighboring areas. It was found that the water from the springs and wells meets the drinking water requirements, except for the nitrate co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c966851a80d0e4b47eafc9912c9b042
https://doi.org/10.52388/1857-064x.2022.3.16
https://doi.org/10.52388/1857-064x.2022.3.16