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1

Surface water quality assessment using self-organizing maps and Hasse diagram technique

Tsvetomil Voyslavov, Stefan Tsakovski, Vasil Simeonov

Journal:

Chemometrics and Intelligent Laboratory Systems

Year:

2012

Language:

english

File:

PDF, 841 KB

english, 2012

2

Water quality assessment of a river catchment by the composite water quality index and self-organizing maps

Yotova, Galina, Varbanov, Marian, Tcherkezova, Emilia, Tsakovski, Stefan

Journal:

Ecological Indicators

Year:

2021

File:

PDF, 6.85 MB

2021

3

An advanced multivariate statistical approach to study coastal sediment data

Pavlina Simeonova, Costel Sarbu, Thomas Spanos, Vasil Simeonov, Stefan Tsakovski

Journal:

Central European Journal of Chemistry

Year:

2006

Language:

english

File:

PDF, 363 KB

english, 2006

4

Comparison of self-organizing maps classification approach with cluster and principal components analysis for large environmental data sets

A. Astel, S. Tsakovski, P. Barbieri, V. Simeonov

Journal:

Year:

2007

Language:

english

File:

PDF, 1.36 MB

english, 2007

5

Assessment of metal pollution based on multivariate statistical modeling of ‘hot spot’ sediments from the Black Sea

V Simeonov, D.L Massart, G Andreev, S Tsakovski

Journal:

Year:

2000

Language:

english

File:

PDF, 124 KB

english, 2000

6

Application of multivariate statistics in assessment of green analytical chemistry parameters of analytical methodologies

Tobiszewski, Marek, Tsakovski, Stefan, Simeonov, Vasil, Namieśnik, Jacek

Journal:

Green Chemistry

Year:

2013

Language:

english

File:

PDF, 1.54 MB

english, 2013

7

Correction: A solvent selection guide based on chemometrics and multicriteria decision analysis

Tobiszewski, Marek, Tsakovski, Stefan, Simeonov, Vasil, Namieśnik, Jacek, Pena-Pereira, Francisco

Journal:

Green Chemistry

Year:

2015

Language:

english

File:

PDF, 810 KB

english, 2015

8

Comparison of the variable importance in projection (VIP) and of the selectivity ratio (SR) methods for variable selection and interpretation

Farrés, Mireia, Platikanov, Stefan, Tsakovski, Stefan, Tauler, Romà

Journal:

Journal of Chemometrics

Year:

2015

Language:

english

File:

PDF, 933 KB

english, 2015

9

Modeling of pharmaceuticals mixtures toxicity with deviation ratio and best-fit functions models

Wieczerzak, Monika, Kudłak, Błażej, Yotova, Galina, Nedyalkova, Miroslava, Tsakovski, Stefan, Simeonov, Vasil, Namieśnik, Jacek

Journal:

Science of The Total Environment

Year:

2016

Language:

english

File:

PDF, 988 KB

english, 2016

10

Assessment of ecotoxicity and total volatile organic compound (TVOC) emissions from food and children's toy products

Szczepańska, Natalia, Marć, Mariusz, Kudłak, Błażej, Simeonov, Vasil, Tsakovski, Stefan, Namieśnik, Jacek

Journal:

Ecotoxicology and Environmental Safety

Year:

2018

Language:

english

File:

PDF, 484 KB

english, 2018

11

Phytoavailability of potentially toxic elements from industrially contaminated soils to wild grass

Yotova, Galina, Zlateva, Boika, Ganeva, Sonya, Simeonov, Vasil, Kudłak, Błażej, Namieśnik, Jacek, Tsakovski, Stefan

Journal:

Ecotoxicology and Environmental Safety

Year:

2018

Language:

english

File:

PDF, 1.14 MB

english, 2018

12

Classification and receptor modeling of wet precipitation data from central Austria (1984–1993)

V. Simeonov, H. Puxbaum, S. Tsakovski, C. Sarbu, M. Kalina

Journal:

Year:

1999

Language:

english

File:

PDF, 430 KB

english, 1999

13

Assessment of the water quality of a river catchment by chemometric expertise

Stefan Tsakovski, Aleksander Astel, Vasil Simeonov

Journal:

Journal of Chemometrics

Year:

2010

Language:

english

File:

PDF, 465 KB

english, 2010

14

Hasse diagram technique as exploratory tool in sediment pollution assessment

Stefan Tsakovski, Vasil Simeonov

Journal:

Journal of Chemometrics

Year:

2011

Language:

english

File:

PDF, 718 KB

english, 2011

15

Ecotoxicity and chemical sediment data classification by the use of self-organising maps

Stefan Tsakovski, Blazej Kudlak, Vasil Simeonov, Lidia Wolska, Jacek Namiesnik

Journal:

Analytica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 1.96 MB

english, 2009

16

Sediment-quality assessment by intelligent data analysis

Vasil Simeonov, Lidia Wolska, Agnieszka Kuczyńska, Jacek Gurwin, Stefan Tsakovski, Mikołaj Protasowicki, Jacek Namieśnik

Journal:

TrAC Trends in Analytical Chemistry

Year:

2007

Language:

english

File:

PDF, 243 KB

english, 2007

17

Comparative study of 8-hydroxyquinoline derivatives as chelating reagents for flow-injection preconcentration of cobalt in a knotted reactor

Stefan Tsakovski, Karima Benkhedda, Elisaveta Ivanova, Freddy C Adams

Journal:

Analytica Chimica Acta

Year:

2002

Language:

english

File:

PDF, 130 KB

english, 2002

18

High-temperature superconducting thin films: A multivariate statistical approach

Pavlina Simeonova, Stefan Tsakovski, Petko Mandjukov, Vasil Simeonov, Vasil Lovchinov

Journal:

Microchimica Acta

Year:

1996

Language:

english

File:

PDF, 868 KB

english, 1996

19

Multivariate classification and modeling in surface water pollution estimation

A. Astel, S. Tsakovski, V. Simeonov, E. Reisenhofer, S. Piselli, P. Barbieri

Journal:

Analytical and Bioanalytical Chemistry

Year:

2008

Language:

english

File:

PDF, 485 KB

english, 2008

20

Geostatistical and multivariate statistical analysis of heavily and manifoldly contaminated soil samples

Kristin Schaefer, Jürgen W. Einax, Vasil Simeonov, Stefan Tsakovski

Journal:

Analytical and Bioanalytical Chemistry

Year:

2010

Language:

english

File:

PDF, 720 KB

english, 2010

21

Multivariate statistical analysis of coastal sediment data

I. Stanimirova, S. Tsakovski, V. Simeonov

Journal:

Analytical and Bioanalytical Chemistry

Year:

1999

Language:

english

File:

PDF, 72 KB

english, 1999

22

Multivariate statistical interpretation of coastal sediment monitoring data

V. Simeonov, I. Stanimirova, S. Tsakovski

Journal:

Analytical and Bioanalytical Chemistry

Year:

2001

Language:

english

File:

PDF, 34 KB

english, 2001

23

Multivariate Statistical Assessment of Air Quality: A Case Study

Vasil Simeonov, Stefan Tsakovski, Tomaz Lavric, Pavlina Simeonova, Hans Puxbaum

Journal:

Microchimica Acta

Year:

2004

Language:

english

File:

PDF, 70 KB

english, 2004

24

Environmetrical Treatment of Water Quality Survey Data from Yantra River, Bulgaria

V. Simeonov, S. Stefanov, S. Tsakovski

Journal:

Microchimica Acta

Year:

2000

Language:

english

File:

PDF, 107 KB

english, 2000

25

Danube River Water Data Modelling by Multivariate Data Analysis

Vasil Simeonov, Costel Sarbu, Desire-Luc Massart, Stefan Tsakovski

Journal:

Microchimica Acta

Year:

2001

Language:

english

File:

PDF, 111 KB

english, 2001

26

Air-quality assessment of Pico-mountain environment (Azores) by using chemometric and trajectory analyses

S. Tsakovski, P. Simeonova, V. Simeonov, M. C. Freitas, I. Dionísio, A. M. G. Pacheco

Journal:

Journal of Radioanalytical and Nuclear Chemistry

Year:

2009

Language:

english

File:

PDF, 421 KB

english, 2009

27

Chemometric study of soil analysis data

Th. Spanos, V. Simeonov, S. Tsakovski, D. Thiokas

Journal:

Central European Journal of Chemistry

Year:

2004

Language:

english

File:

PDF, 1.03 MB

english, 2004

28

Multivariate statistical assessment of polluted soils

Vasil Simeonov, Juergen Einax, Stafan Tsakovski, Joerg Kraft

Journal:

Central European Journal of Chemistry

Year:

2005

Language:

english

File:

PDF, 796 KB

english, 2005

29

Multivariate statistical approaches as applied to environmental physics studies

Vasil Lovchinov, Stefan Tsakovski

Journal:

Central European Journal of Physics

Year:

2006

Language:

english

File:

PDF, 484 KB

english, 2006

30

Chemometrical approaches to evaluate analytical data from aquatic macrophytes and marine algae

J. A. Stratis, V. Simeonov, G. Zachariadis, T. Sawidis, P. Mandjukov, S. Tsakovski

Journal:

Analytical and Bioanalytical Chemistry

Year:

1996

Language:

english

File:

PDF, 589 KB

english, 1996

31

A solid solution theory for matrix modification in electrothermal atomic absorption spectrometry

Petko B. Mandjukov, Stefan L. Tsakovski, Vasil D. Simeonov, John A. Stratis

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

1995

Language:

english

File:

PDF, 848 KB

english, 1995

32

Chlorinated solvents in a petrochemical wastewater treatment plant: An assessment of their removal using self-organising maps

Marek Tobiszewski, Stefan Tsakovski, Vasil Simeonov, Jacek Namieśnik

Journal:

Year:

2012

Language:

english

File:

PDF, 958 KB

english, 2012

33

Chemical composition of water from roofs in Gdansk, Poland

Stefan Tsakovski, Marek Tobiszewski, Vasil Simeonov, Żaneta Polkowska, Jacek Namieśnik

Journal:

Environmental Pollution

Year:

2010

Language:

english

File:

PDF, 1.39 MB

english, 2010

34

Stability of diazepam in blood samples at different storage conditions and in the presence of alcohol

V.N. Atanasov, S. Stoykova, A. Runiov, T. Dimitrova, D. Aleksandrova, S. Tsakovski, M. Mitewa

Journal:

Forensic Science International

Year:

2012

Language:

english

File:

PDF, 806 KB

english, 2012

35

Statistical interpretation of medical data of patients with alcohol abuse

Ventzislav Bardarov, Pavlina Simeonova, Ludmila Neikova, Krum Bardarov, Vasil Simeonov, Stefan Tsakovski, Kamen Kanev

Journal:

Central European Journal of Medicine

Year:

2012

Language:

english

File:

PDF, 549 KB

english, 2012

36

Flame AAS determination of thallium in soils

S. Tsakovski, E. Ivanova, I. Havezov

Journal:

Year:

1994

Language:

english

File:

PDF, 358 KB

english, 1994

37

Anion-exchange enrichment of thallium and cadmium prior to their flame atomic absorption spectrometric determination in soils

E. Ivanova, S. Tsakovski, G. Gentscheva, I. Havezov

Journal:

Year:

1996

Language:

english

File:

PDF, 289 KB

english, 1996

38

Relationship between heavy metal distribution in sediment samples and their ecotoxicity by the use of the Hasse diagram technique

Stefan Tsakovski, Błażej Kudłak, Vasil Simeonov, Lidia Wolska, Gregorio Garcia, Jacek Namieśnik

Journal:

Analytica Chimica Acta

Year:

2012

Language:

english

File:

PDF, 1.04 MB

english, 2012

39

N-way modelling of sediment monitoring data from Mar Menor lagoon, Spain

Stefan Tsakovski, Błażej Kudłak, Vasil Simeonov, Lidia Wolska, Gregorio Garcia, Manos Dassenakis, Jacek Namieśnik

Journal:

Year:

2009

Language:

english

File:

PDF, 753 KB

english, 2009

40

Multivariate statistical study of simultaneously monitored cloud water, aerosol and rainwater data from different elevation levels in an alpine valley (Achenkirch, Tyrol, Austria)

V. Simeonov, M. Kalina, S. Tsakovski, H. Puxbaum

Journal:

Year:

2003

Language:

english

File:

PDF, 218 KB

english, 2003

41

Long-term assessment of the wet precipitation chemistry in Austria (1984–1999)

H Puxbaum, V Simeonov, M Kalina, S Tsakovski, H Löffler, G Heimburger, P Biebl, A Weber, A Damm

Journal:

Year:

2002

Language:

english

File:

PDF, 251 KB

english, 2002

42

Time trends in the concentrations of lead in wet precipitation from rural and urban sites in Austria

M. Kalina, H. Puabaum, S. Tsakovski, V. Simeonov

Journal:

Year:

1999

Language:

english

File:

PDF, 370 KB

english, 1999

43

Surface water quality assessment by the use of combination of multivariate statistical classification and expert information

M. Tobiszewski, S. Tsakovski, V. Simeonov, J. Namieśnik

Journal:

Year:

2010

Language:

english

File:

PDF, 741 KB

english, 2010

44

Identification of Metabolic Pathways in Daphnia magna Explaining Hormetic Effects of Selective Serotonin Reuptake Inhibitors and 4-Nonylphenol Using Transcriptomic and Phenotypic Responses

Campos, Bruno, Garcia-Reyero, Natàlia, Rivetti, Claudia, Escalon, Lynn, Habib, Tanwir, Tauler, Romà, Tsakovski, Stefan, Piña, Benjamín, Barata, Carlos

Journal:

Environmental Science & Technology

Year:

2013

Language:

english

File:

PDF, 512 KB

english, 2013

45

Determination of mercury by electrothermal atomic absorption spectrometry using different chemical modifiers or a slurry technique

Karadjova, I., Mandjukov, P., Tsakovsky, S., Simeonov, V., Stratis, J. A., Zachariadis, G. A.

Journal:

Journal of Analytical Atomic Spectrometry

Year:

1995

Language:

english

File:

PDF, 499 KB

english, 1995

46

Ranking of ecotoxisity tests for underground water assessment using the Hasse diagram technique

Kudłak, Błażej, Tsakovski, Stefan, Simeonov, Vasil, Sagajdakow, Agnieszka, Wolska, Lidia, Namieśnik, Jacek

Journal:

Year:

2014

Language:

english

File:

PDF, 1.41 MB

english, 2014

47

Multivariate statistical modeling of coastal sediments data

Simeoanov, V., Tsakovski, S., Massart, D.L.

Journal:

Toxicological & Environmental Chemistry

Year:

1999

Language:

english

File:

PDF, 632 KB

english, 1999

48

Novel approach to ecotoxicological risk assessment of sediments cores around the shipwreck by the use of self-organizing maps

Rogowska, Justyna, Kudłak, Błażej, Tsakovski, Stefan, Wolska, Lidia, Simeonov, Vasil, Namieśnik, Jacek

Journal:

Ecotoxicology and Environmental Safety

Year:

2014

Language:

english

File:

PDF, 5.94 MB

english, 2014

49

Hasse diagram technique as a tool for water quality assessment

Voyslavov, Tsvetomil, Tsakovski, Stefan, Simeonov, Vasil

Journal:

Analytica Chimica Acta

Year:

2013

Language:

english

File:

PDF, 688 KB

english, 2013

50

Assessment of the water quality of Kłodnica River catchment using self-organizing maps

Olkowska, Ewa, Kudłak, Błażej, Tsakovski, Stefan, Ruman, Marek, Simeonov, Vasil, Polkowska, Zaneta

Journal:

Science of The Total Environment

Year:

2014

Language:

english

File:

PDF, 1.41 MB

english, 2014

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