Search Results - "Tsakovski, Stefan"

Comparison of the variable importance in projection (VIP) and of the selectivity ratio (SR) methods for variable selection and interpretation by Farrés, Mireia, Platikanov, Stefan, Tsakovski, Stefan, Tauler, Romà

“…This study compares the application of two variable selection methods in partial least squares regression (PLSR), the variable importance in projection (VIP)…”
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Environmental Analytical Chemistry by Tsakovski, Stefan, Venelinov, Tony

“…Environmental analytical chemistry has evolved into a well-established interdisciplinary field (analytical chemistry, pollution chemistry, chemical…”
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Water quality assessment of a river catchment by the composite water quality index and self-organizing maps by Yotova, Galina, Varbanov, Marian, Tcherkezova, Emilia, Tsakovski, Stefan

“…[Display omitted] •Original water quality assessment approach combining CCME WQI and SOM is proposed.•Distinct CCME WQI patterns among the investigated river…”
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Principal Component Analysis and the Water Quality Index—A Powerful Tool for Surface Water Quality Assessment: A Case Study on Struma River Catchment, Bulgaria by Benkov, Ivan, Varbanov, Marian, Venelinov, Tony, Tsakovski, Stefan

“…The water quality assessment of the surface water bodies (SWBs) is one of the major tasks of environmental authorities dealing with water management. The…”
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Chemometric Assessment of Bulgarian Wastewater Treatment Plants' Effluents by Yotova, Galina, Venelinov, Tony, Tsakovski, Stefan

“…Surface water quality strongly depends on anthropogenic activity. Among the main anthropogenic sources of this activity are the wastewater treatment plant…”
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How to Implement User-Friendly BLMs in the Absence of DOC Monitoring Data: A Case Study on Bulgarian Surface Waters by Venelinov, Tony, Tsakovski, Stefan

“…The metal bioavailability concept is implemented in the Water Framework Directive (WFD) compliance assessment. The bioavailability assessment is usually…”
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Multivariate Exploratory Analysis of the Bulgarian Soil Quality Monitoring Network by Yotova, Galina, Hristova, Mariana, Padareva, Monika, Simeonov, Vasil, Dinev, Nikolai, Tsakovski, Stefan

“…The goal of the present study is to assess the soil quality in Bulgaria using (i) an appropriate set of soil quality indicators, namely primary nutrients (C,…”
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Assessment of the Water Quality of WWTPs’ Effluents through the Use of Wastewater Quality Index by Benkov, Ivan, Tsakovski, Stefan, Venelinov, Tony

“…Evaluating the efficiency of wastewater treatment plants (WWTPs) and their impact on receiving surface water bodies is a complex and highly significant task…”
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Sediment Assessment of the Pchelina Reservoir, Bulgaria by Venelinov, Tony, Mihaylova, Veronika, Peycheva, Rositsa, Todorov, Miroslav, Yotova, Galina, Todorov, Boyan, Lyubomirova, Valentina, Tsakovski, Stefan

“…The temporal dynamics of anthropogenic impacts on the Pchelina Reservoir is assessed based on chemical element analysis of three sediment cores at a depth of…”
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Influence of Storage Time and Temperature on the Toxicity, Endocrine Potential, and Migration of Epoxy Resin Precursors in Extracts of Food Packaging Materials by Kudłak, Błażej, Jatkowska, Natalia, Kubica, Paweł, Yotova, Galina, Tsakovski, Stefan

“…The aim of the present study was to establish a standard methodology for the extraction of epoxy resin precursors from several types of food packages (cans,…”
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Identification of Metabolic Pathways in Daphnia magna Explaining Hormetic Effects of Selective Serotonin Reuptake Inhibitors and 4‑Nonylphenol Using Transcriptomic and Phenotypic Responses by Campos, Bruno, Garcia-Reyero, Natàlia, Rivetti, Claudia, Escalon, Lynn, Habib, Tanwir, Tauler, Romà, Tsakovski, Stefan, Piña, Benjamín, Barata, Carlos

“…The molecular mechanisms explaining hormetic effects of selective serotonin reuptake inhibitors (SSRIs) and 4-nonylphenol in Daphnia magna reproduction were…”
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Biomonitoring of Potentially Toxic Elements in an Abandoned Mining Region Using Taraxacum officinale: A Case Study on the “Tsar Asen” Mine in Bulgaria by Mihaylova, Veronika, Yotova, Galina, Marinova, Kristina, Benderev, Aleksey, Lyubomirova, Valentina, Tsakovski, Stefan

“…Mining is a significant industrial and economic activity, but it can also result in ore waste that contains several potentially toxic elements (PTEs)…”
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Assessment of the Bulgarian Wastewater Treatment Plants' Impact on the Receiving Water Bodies by Yotova, Galina, Lazarova, Svetlana, Kudłak, Błażej, Zlateva, Boika, Mihaylova, Veronika, Wieczerzak, Monika, Venelinov, Tony, Tsakovski, Stefan

“…Deterioration of water quality is a major problem world widely according to many international non-governmental organizations (NGO). As one of the European…”
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Chemometric Evaluation of WWTPs’ Wastewaters and Receiving Surface Waters in Bulgaria by Mihaylova, Veronika, Yotova, Galina, Kudłak, Błażej, Venelinov, Tony, Tsakovski, Stefan

“…Wastewater treatment plant (WWTP) installations are designed and operated to reduce the quantity of pollutants emitted to surface waters receiving treated…”
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Urban air quality assessment using monitoring data of fractionized aerosol samples, chemometrics and meteorological conditions by Yotova, Galina I., Tsitouridou, Roxani, Tsakovski, Stefan L., Simeonov, Vasil D.

“…The present article deals with assessment of urban air by using monitoring data for 10 different aerosol fractions (0.015–16 μm) collected at a typical urban…”
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Assessment of the water quality of a river catchment by chemometric expertise by Tsakovski, Stefan, Astel, Aleksander, Simeonov, Vasil

“…The present paper deals with the successive application of self‐organizing map (SOM) classification and Hasse diagram technique (HDT) as chemometric tool for…”
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Prediction of class membership of biodiesels using chemometrics by Mustafa, Zylia, Milina, Rumyana, Simeonova, Pavlina A., Tsakovski, Stefan L., Simeonov, Vasil D.

“…Recently, serious scientific and technological attention is paid to creation of alternative energy sources, including biofuels. The assessment of the quality…”
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Statistical modeling of air pollution by Tsakovski, Stefan L, Simeonova, Pavlina A, Simeonov, Vasil D

“…The present communication deals with the application of several chemometric methods (principal components analysis, source apportioning on absolute principal…”
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Self-organizing map algorithm for assessing spatial and temporal patterns of pollutants in environmental compartments: A review by Licen, Sabina, Astel, Aleksander, Tsakovski, Stefan

“…The evaluation of the spatial and temporal distribution of pollutants is a crucial issue to assess the anthropogenic burden on the environment. Numerous…”
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Self-organizing maps classification of epidemiological data and toenail selenium content monitored on cancer and healthy patients from Poland by Tsakovski, Stefan L., Żukowska, Joanna, Bode, Peter, Bizuk, Marek K., Kowalczyk, Anna

“…This paper deals with epidemiological multivariate statistical analysis of cancer and health patients from Pomeranian and Lubuskie Voivodships, Poland. The…”
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