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Ecology and Environmental Protection2025

DETERMINATION OF DIFFERENT HEAVY METALS CONTENT IN CHILDREN TOYS USING ICP-OES ANALYSIS METHOD

Andrei Szollosi-Moța, Sonia Șuvar, Maria Prodan, Vasilica Irina Nălboc, Asimina Iuliana Toplician · 25th International Multidisciplinary Scientific GeoConference Proceedings SGEM2025, Ecology, Environmental Economics, Education, and Legislation, Vol25, Issue 5.1.

DOIThe aim of this work is to determine the concentration of heavy metals in a series of toys used by children and compare them with the regulations in force.The presence of heavy metals in plastic toys is a significant concern to potential health risk to ch
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Ecology and Environmental Protection2023

DETERMINATION OF THE DYNAMIC AND FRACTAL CHARACTERISTICS OF TIME SERIES FROM A SEPARATE SEISMIC ENERGY SOURCE IN THE BALKAN PENINSULA

Emil Oynakov, Mariya Popova, Irena Aleksandrova, Yordan Milkov · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd International Multidisciplinary Scientific GeoConference Proceedings SGEM2023, Science and Technologies in Geology, Exploration And Mining, Vol 23, Issue 1.1

DOIfractal characteristicsseismic energyearthquake
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Advances in Biotechnology2023

FORECASTING WEEKLY COW MILK PRODUCTION USING A MULTIVARIATE TIME SERIES APPROACH

Kristina Dineva, Tatiana Atanasova · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2023, Nano, Bio, Green and Space: Technologies for a Sustainable Future, Vol. 23, Issue 6.2

DOIWeekly Milk ProductionMultivariate time series forecastingSARIMAXendogenous and exogenous features
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Space Technologies and Planetary Science2022

COMPARATIVE AND SPECTRAL STUDIES BETWEEN GEOMAGNETIC SERIES RECORDED IN INTERMAGNET OBSERVATORIES

Laurențiu Asimopolos, Natalia-Silvia Asimopolos, Adrian-Aristide Asimopolos · SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022

DOIGeomagnetic disturbances. Fourier spectral deconvolutionWavelet analysisData filtering and correlation
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Marine and Ocean Ecosystems2021

ASSESSMENTS OF THE LONG - THERM WAVES DATA SERIES IN CASE OF THE SHELTERED ADYACENT AREAS DELINEATION FOR EMERGENCY SITUATIONS ADJOINING THE CONSTANTA PORT

Elena Vlăsceanu, Răzvan Mateescu, Eugen Rusu · SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Water Resources. Forest, Marine and Ocean Ecosystems

DOIwave regimeport areasextreme eventssheltered areasport management
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Ecology and Environmental Protection2021

HABITATS LOST: ANALYSIS OF THE EUTROPHICATION MAGNITUTE AT A PROTECTED COASTAL LAKE IN BULGARIA USING SATELLITE AND DRONE IMAGERY

Bogdan Prodanov, Radoslava Bekova, Iliyan Kotsev, Viktoriya Vachkova · SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Ecology, Economics, Education and Legislation

DOImacrophytestime seriesunmanned aerial systemsorthophoto imageryBulgarian Black Sea coast
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Hydrology and Water Resources2021

REGULARITIES OF THE APPEARANCE OF CONSTANT COMPONENTS IN THE LONG-TERM SERIES OF HYDROLOGICAL CHARACTERISTICS OF THE FLOW PART OF THE EQUATIONS OF THE WATER BALANCE OF RIVER CATCHMENTS

Ekaterina Gaidukova, Natalia Victorova, Vladimir Deviatov, Vitaly Khaustov · SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Water Resources. Forest, Marine and Ocean Ecosystems

DOIriver runoffevaporationrate of change in total moisture reservesthe detection effectPearson's equation
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