toggle Articles in ISI Journals and Proceedings

ARTICLES IN ISI JOURNALS

    1. A. Bărbulescu, V. Marza, Electrical effect induced at the boundary of an acoustic cavitation zone, Acta Physica Polonica B, vol. 37, no. 2, 2006, pp. 507-518.

    2. A. Bărbulescu, Models of the voltage induced by cavitation in hydrocarbons, Acta Physica Polonica B, vol. 37, no.10, 2006, pp. 2919-2931.

    3. A. Bărbulescu, C. Koncsag, A new model for estimating mass transfer coefficients for the extraction of ethanethiol with alkaline solutions in packed column, Applied Mathematical Modelling, vol. 31, Issue 11, 2007, pp. 2515–2523.

     4. C. Koncsag, A. Bărbulescu, Modeling the removal of mercaptans from liquid hydrocarbon streams in structured packing columns, Chemical Engineering and Processing, vol. 47, Issues 9-10, 2008, pp. 1717-1725.

    5. A. Bărbulescu, C. Koncsag, Mass transfer at Propanethiol - Buthanethiol Alkaline Extraction from Sour Petroleum Fraction, Revista de Chimie, Vol. 60, No.4, 2009, pp. 414-418.

    6. A. Bărbulescu, E. Băutu, Alternative models in precipitation analysis, An. Șt. Univ. Ovidius Constanța, vol. 17(3), 2009, pp. 45-68.

    7. A. Bărbulescu, E. Băutu, Mathematical models of climate evolution in Dobrudja, Theoretical and Applied Climatology, vol. 100, nos. 1 – 2.  2010, pp. 29-44.

    8. E. Băutu, A. Bărbulescu, A hybrid approach for modeling financial time series, International Arab Journal of Information and Technology, Vol. 9, No. 4, 2012, pp. 327-335.

    9. C. Maftei, A. Bărbulescu, Statistical analysis of precipitation time series in the Dobrodja region, MAUSAM, vol. 63, no. 4, 2012, pp. 553-564.

    10. E. Băutu, A. Bărbulescu, Forecasting meteorological time series using soft computing methods: an empirical study, Applied Mathematics and Information Science, Vol. 7, No. 4, 2013, pp. 1297 - 1306.

    11. A. Bărbulescu, L. Barbes, Mathematical models for inorganic pollutants in Constanța area, RomaniaRevista de chimie, vol. 64(7), 2013, pp. 747-753.

    12. A. Bărbulescu, L. Barbeş, Assessment of surface water quality Techirghiol Lake using statistical analysis, Revista de chimie, vol. 64(8), 2013, pp. 868- 874.

    13. J. Deguenon, A. Bărbulescu, Attachment observability of a rotating body-beam system, An St. Univ Ovidius Constanta, vol. 21 (3), 2013, pp. 81- 93.

    14. A. Bărbulescu, Something about h-measures of sets in plane, An St. Univ Ovidius Constanta, vol. 22(1), 2014, pp. 35-40.

    15. A. Bărbulescu, J. Deguenon, Models for trend of precipitation in Dobrudja, Environmental Engineering and Management Journal, vol. 13(4), 2014, pp. 873-880.

    16. A. Bărbulescu, J. Deguenon, Change point detection and models for precipitation evolution. Case study, Romanian Journal of Physics, vol. 59 (5-6), 2014, pp. 590-600.

    17. L. Barbeş, A. Bărbulescu, C. Rădulescu, C. Stihi, E. D. Chelărescu, Determination of heavy metals in leaves and bark of Populus Nigra L by atomic absorbtion spectrometry, Romanian Reports on Physics, vol. 66 (3), 2014, pp. 877-886.

    18. A. Bărbulescu, L. Barbeş, Models for the pollutants correlation in the Romanian Littoral, Romanian Reports in Physics, vol. 66(4), 2014, pp. 1189-1199.

    19. A. Bărbulescu, J. Deguenon, About the variations of precipitation and temperature evolution in the Romanian Black Sea Littoral, Romanian Reports in Physics, vol. 67(2), 2015, pp. 625-637.

    20. A. E. Sterpu, A. Bărbulescu, L. Barbes, C.- I. Koncsag, Modeling the mixing process of industrial and domestic wastesludge, Environmental Engineering and Management Journal, vol. 14(6), pp. 1241-1246.

    21. A. Bărbulescu, C. Maftei, Modeling the climate in the area of Techirghiol Lake (Romania), Romanian Journal of Physics, vol. 60(7-8), 2015, pp. 1163-1170.

    22. A. - A. Neagu, C. Koncsag, A. Bărbulescu, E. Botez, Calculation methods for gasket plate heat exchangers used in vegetable oil manufacture. Comparative study, Revista de chimie, vol. 66, no.9, 2015, pp. 1504-1508.

    23. A. Bărbulescu, M. Gilca, Taste of medicinal plants: a potential tool in predicting etnopharmacological activities?, Journal of Ethnopharmacology, vol. 174, 2015, pp. 464- 473.

    24. A. Bărbulescu, A new method for estimation the regional precipitation, Water Resources Management, vol. 30, issue 1, 2016,  pp. 33-42.

    25. A. Bărbulescu, Modeling temperature evolution. Case study, Romanian Reports in Physics, vol. 68, no.2, 2016.

    26. A. Bărbulescu, L. Barbeș, Statistical Analysis and Mathematical Models for the VOCs Concentrations on the Romanian Littoral. A case study, Analytical Letters, vol. 49(3), 2016, pp. 387-399.

    27. A. Bărbulescu, Models for temperature evolution in Constanta area (Romania), Romanian Journal of Physics, no. 3-4, 2016

    28. C. Maftei, A. Bărbulescu, A.A. Cârsteanu, Long-range dependence in the time series of Taiţa River, Hydrological Sciences Journal.

    29. L. Barbeş, A. Bărbulescu, Monitoring and assessement of heavy metals in soil and leaves of Populus Nigra L, Environmental Engineering and Management Journal, accepted, http://omicron.ch.tuiasi.ro/EEMJ/accepted.htm

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    toggle Articles in ISI Journals and Proceedings

    ARTICLES IN ISI PROCEEDINGS
    1. A. Bărbulescu, New results about the H-measure of a set, Analysis and Optimization of Differential Systems, vol. 121, 2003, pp. 43-48 (ISSN 1571 – 5736).

    2. C. Maftei, A. Bărbulescu, Statistical analysis of climate evolution in Dobrudja region, Lecture Notes in Engineering and Computer sciences, WCE 2008, vol.II, IAENG, pp.1082-1087 (ISBN 978 – 988 – 98671 – 9 – 5)

    3. A. Bărbulescu, E. Pelican, On the Sulina Precipitation Data Analysis Using the ARMA models and a Neural Network Technique, Recent Advances in Mathematical and  Computational Methods in Science and Engineering,  Part II, 2008, pp.508 – 511 (ISSN 1790 – 2769)

    4. A. Bărbulescu, E. Pelican, ARIMA models for the analysis of the precipitation evolution, Recent Advances in Computers, 2009, pp. 221 – 226 (ISBN 978 – 960 – 474 – 099 – 4, ISSN 1790 -5109)

    5. A. Bărbulescu, D. - C. Toncu, l. Orac, Analysis and models of some composites corrosion evolution, Recent Advances in Materials Science, 2008, pp.63 – 69 (ISSN 1790-2769)

    toggle Articles in publications of Romanian Academy

    1. A. Bărbulescu, On the h – measure of a set, Revue Roumaine de Mathématiques pures et appliqués, Tom XLVII, Nos. 5 -6, 2002, pp. 547-552.
    2. V. Mârza, A. Bărbulescu, G. Mândrescu, The electrical effect induced by the cavitation bubbles, Romanian Journal of Physics, vol. 49, nos. 1- 2, 2004, pp. 189 -193.

    3. A. Bărbulescu, V. Mârza, On some effects of the cavitation bubbles, Series on Mathematical Modelling of Environmental and Life Sciences Problems. Proceedings of the second workshop, June, 2003, Bucharest, Romania. Proceedings of the third workshop, May, 2004, Constanţa, Romania, Romanian Academy Publishing House, Bucharest, 2004, pp. 111-116.

    4. A. Bărbulescu, C.S. Dumitriu, Mathematical aspects of the study of the cavitation in liquids, Proceedings of the 4th Workshop on Mathematical Modeling of  Environmental and Life Sciences Problems, Constanţa, 7 - 11.09.2005, Romanian Academy Publishing House, Bucharest, 2006, pp. 7-14.

    5. C. Maftei, A. Bărbulescu, Modeling the relation between the hydraulic conductivity and the depth, Proceedings of the 5th Workshop on Mathematical Modeling of Environmental and Life Sciences Problems, Constanţa, 10-14.09.2006, Romanian Academy Publishing House, 2007, pp. 147-152.

    6. E. Pelican, A. Bărbulescu, Forecasting rainfalls in Dobroudgea Area Using Wavelets and Neural Networks Techniques, Mathematical Modeling of Environmental and Life Sciences Problems, Proceedings of the sixth workshop, September 2007. Proceedings of the seventh workshop, September, 2008, Constanţa, Ed. Academiei Romane, București, 2010, pp. 211-218.

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    toggle Articles in CNCS journals B/B+ quoted at the apparition moment

    1. A. Bărbulescu, C. Gherghina, L. Roşu, Experimental results concerning the water  circulation in porous unsaturated media, Bull. Tehn. Univ „Gh. Asachi” Iaşi, Tome XLVII (LI), fasc. 1-4 II, 2001, pp. 219-224 (ISSN 1224 – 3892) (in Romanian)

    2. A. Bărbulescu, Applications of the time series in the experimental determination of the soil humidity, Analele Universităţii din Oradea, Ştiinţe economice, tom X, 2001, pp. 37-41 (ISSN 1582 – 5450)

    3. A. Bărbulescu, About some properties of the Hausdorff measure, Sci. Bull. „Politehnica” Univ. Timişoara, Transactions on Mathematics - Physics, 2003, pp. 17-22 (ISSN 1224 – 6069)

    4. C. Koncsag, A. Bărbulescu, Mathematical model for the estimation of mass transfer coefficients at the extraction of thiols with alkaline solutions in packed columns, Chem. Bull. Politehnica University (Timişoara), vol. 49(63), 1-2, 2004, pp. 30-35 (ISSN 1224 – 6018)

    5. A. Bărbulescu, V. Mârza, Electrical phenomena induced by cavitation in oil, Sci. Bull. of the „Politehnica” University of Timişoara, Transactions on Mechanics, Tome 49(63), 2004, pp. 117-121 (ISSN 1224 – 6077)

    6. A. Bărbulescu, C.S. Dumitriu, Models of the mass loss of some copper alloys, Chem. Bull. Politehnica University (Timişoara), vol. 52(66), 1-2, 2007, pp. 120-123 (ISSN 1224 – 6018)  

    toggle Articles in proceedings of national conferences

    1. A. Bărbulescu, The estimation of the p - modulus and of the p-capacity of a set, Proceedings of the annual meeting of the Romanian Society of Mathematical Sciences, 1998, pp.75-80 (ISBN 973 – 98789 – 0 – 3) (In Romanian) 

    2. A. Bărbulescu, G. S. Badea, Econometric methods for the determination of the causality relations between the economic phenomena, Proceedings of SIMPEC '98, Brasov, Romania, tom II, pp. 333-337  (ISBN 973 – 98329 – 8 – 9) (In Romanian) 

    3. A. Bărbulescu, About the entropic optimal probabilistic densities, Proceedings of the Scientific Session "The role of the statistics in the market economy”, ASE Bucharest, Romania, 19 – 20.03. 1999, pp. 143-145  (In Romanian) 

    4. A. Bărbulescu, G. S. Badea, Theoretic considerations about FPP and CO for many products, Bulletin SECOMAR, 3–5.06.1999, Constanţa, Romania, vol. VI, pp. 19-23 (In Romanian) 

    5. A. Bărbulescu, About some relations between capacities and Hausdorff measures, The symposium of ”Petru Maior”, University, Targu Mures, Romania, 16-18.10.2000, vol. 7, pp. 13-20 (ISBN 973 – 8084 – 10 – 5) (In Romanian) 

    6. A. Bărbulescu, G. S. Badea, Econometric methods for the analysis of the economic increase, The symposium of ”Petru Maior”, University, Targu Mures, Romania, 16 - 18.10.2000, vol. 12, pp. 15 -20 (ISBN 973 – 8084 – 10 – 5) (In Romanian) 

    7. A. Bărbulescu, G. S. Badea, Econometric methods for the determination of the FPP, in “Actual problems of statistics”, Junimea, Iasi, Romania, 2000, pp. 83-90 (ISBN 973 – 37 – 0530 – 6) (In Romanian)

    8. A. Bărbulescu, G. S. Badea, Econometric methods for the determination of CO, in “Actual problems of statistics”, Junimea, Iasi, 2000, pp. 91-98 (ISBN 973 – 37 – 0530 – 6) (In Romanian) 

    9. C. Gherghina, L. Rosu, C. Arsenie, A. Bărbulescu, Considerations on the equation of the water vertical movement in unsaturated porous media, The Conference ”The engineering of the underground water resources”, Technical University of Civil Engineering, Bucharest, Romania, 28 – 29.06.2001, pp. 184-189 (ISBN 973 – 8165 – 03 – 2 ) (In Romanian)

    10. C. Gherghina, A. Bărbulescu, L. Rosu, About a method of determination of the soil hydraulic conductivity in the interval of active humidity, Proceedings of the international Symposium “The land amelioration between the present and the future”, 30.04.2001, pp. 24-30 (ISBN 973 – 8347 – 29 – 2)

    11. A. Bărbulescu, Unemployment evolution in Romania, in „Statistics in social and economic research”, Junimea, Iasi, 2001, pp. 327-331 (ISBN 973 – 37 – 0637 – x) (In Romanian)

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    toggle Articles presented at international conferences, published as abstracts or unpublished

    1. A. Bărbulescu, On some relations between p – module and p – capacity and of the metodes of their determination, Conference on mathematical Analysis and Applications, Craiova, Romania, 30.04 – 2.05. 1998
    1. A. Bărbulescu, G. S. Badea, The rational comportment of economic agent, Symposium of Oradea University, Romania, 29 – 30.05.1998 (in Romanian)

    2. A. Bărbulescu, G. S. Badea, The analysis of production alternatives. The transformation curve and the opportunity cost, Symposium of Oradea University, Romania, 29 – 30.05.1998 (in Romanian)

    3. A. Bărbulescu, G. S. Badea, The determinarea of the boundaryof production oportunities and oporunity cost by econometric methods, The XXII-th Congres of Romanian - American Academy, Târgovişte, 22-24.06.1997

    4. A. Bărbulescu, Some results on the h-measure of a set, Conference on Practical applications of fractals, The Abdus Salam International Centre for Theoretical Physics, Trieste, 17 – 19.11. 2004

    5. A. Bărbulescu, About some class of fractal functions, Congreso Internactional Mediterraneo de Matematicas, Almeria, Espana, 6 - 10.05.2006, Abstract Book, p.83

    6. Carmen Maftei, A. Bărbulescu, C. Buta and D. Teodorescu, The temporal and spatial evolution of the precipitation in Dobrogea and its influence on the water resources, The 9th International Precipitations Conference, Paris, 12-14.11.2007

    7. A. Bărbulescu, Modeling the seasonal evolution of precipitations in Dobrudja, EGU, Viena, 14 - 18.04.2008, EGU2008-A-05498, Geophysical Research Abstracts, Vol. 10, 2009, eISSN: 1607-7962

    8. A. Bărbulescu, D - C. Toncu, Study of some composites corrosion, RSE – SEE, Rovinj, Croatia, 4 - 8.05.2008

    9. A. Bărbulescu, D - C. Toncu, Copper - based alloys corrosion behaviour in circulated medium, RSE – SEE, Rovinj, Croatia, 4 - 8.05.2008

    10. A. Bărbulescu, Modeling the evolution of precipitation in a region of Romania, 7-th World Congress of Probability and Statistics, Singapore, 14-19.07.2008

    11. A. Bărbulescu, Mathematical Models for the prediction of the precipitations effects, New statistical trend in hydrological modeling, Capri, 13-17.10.2008

    12. A. Bărbulescu, D - C. Toncu, The analysis of the rain influence on water quality, The role of hydrology in water resources management, Capri, 13-17.10.2008

    13. A. Cârsteanu, A. Bărbulescu, A. Ionescu, Scale behaviour of dry spells, EGU 2009, art. EGU2009 - 13946, NH1.1 Geophysical Research Abstracts, eISSN: 1607-7962

    14. E. Pelican, A. Bărbulescu, Prediction of Dobroudja Precipitations Using Wavelet Analysis, EGU 2009, art. EGU2009 - 9778, CL54/NP4.5, Geophysical Research Abstracts, eISSN: 1607-7962

    15. A.A. Carsteanu, A. Barbulescu, K.M. Ba, J.J. Castro, C. Diaz-Delgado, L.G. Escandon – Alcazar, Detecting climate-scale patterns in rainfall and runoff variability, Workshop on Geocomplexity, York University, 28-29.05.2009

    16. A. Cârsteanu, A. Bărbulescu, K. Ba, J. Castro, C. Diaz-Delgado, Comparison of multifractals parameters of rainfall and drainoff between Romania and Mexico, Dynamical Systems and Applications, Constanța, 15-18.06.2009

    17. A. Bărbulescu, J. Deguenon, Nonparametric Models for Trend Evolution of Precipitation in the Dobrudja Region, EGU2010 - 14804 – Viena 2010

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    toggle Articles in others peer reviewed Romanian Journals

    1. A. Bărbulescu, La finitude d'une h - measure Hausdorff d' une ensemble des points dans le plan, An. "Valahia" Univ, Târgovişte, fasc. II 1995/1996, pp. 93-99 (ISSN  1453 – 8202)

    2. A. Bărbulescu, Some remarks on a note about Steffensen type discrete inequalities, An. "Valahia" Univ, Târgovişte, fasc. II 1995/1996, pp. 19-22 (ISSN 1453 – 8202)

    3. A. Bărbulescu, G. S. Badea, L' optimisation de l'activité économique par rapport au prix des facteurs de production utilisés et l'assurance du profit maximum, An. "Valahia" Univ. Târgovişte, fasc. II 1995/1996, pp. 110-117 (ISSN 1453 – 8202)

    4. A. Bărbulescu, G. S. Badea, L'élasticité des phénomènes économiques et les décisions de l'agent économique, An. "Valahia" Univ., Târgovişte, nr. 5/1997, pp. 107-111 (ISSN 1453 – 8202)

    5. A. Bărbulescu, G. S. Badea, Sur l'élasticité des phénomènes économiques, An. "Valahia" Univ., Târgovişte, nr. 5/1997, pp. 147-151 (ISSN 1453 – 8202)

    6. A. Bărbulescu, G. S. Badea, L’analyse du comportement de l’agent économique, An. "Valahia" Univ. Târgovişte, nr. 6/1998, pp. 168-172 (ISSN 1453 – 8202)

    7. A. Bărbulescu, G. S. Badea, A mathematical model for the incomes distribution realised in the economic activity, Bull. Sci. Pitesti Univ., Mathematics and Informatics, No. 2, 1998, pp. 7-12 (ISSN 1453 – 116X) (in Romanian)

    8. R. Şelescu, A. Bărbulescu, The bending of the nonprismatic bars, with constant section and the inertia moment variable periodic, Bull. Sci. Pitesti Univ., Mathematics and Informatics, No. 2, 1998, pp. 209-222 (ISSN 1453 – 116X) (in Romanian)

    9. A. Bărbulescu, Considerations on a theorem that evaluates the Hausdorff dimension of a graph of a function, Seminar Series in Mathematics, Miscellanea 1: Second Part of the Proceedings of Conference of Romanian Math. Soc., "Ovidius" University Press, Constanţa, 2000, pp. 1-5 (ISSN 12223 – 723x)

    10. A. Bărbulescu, C. Gherghina, L. Roşu, About the general equation of the water vertical movement in unsaturated porous media, An. Șt. Univ. “Ovidius”, Civil Engineering, II – III, 2002, Special Edition, pp. 461-464 (ISSN 1589 – 5990)

    11. C. Maftei, A. Bărbulescu, J. Deguenon, Mathematical model for trend detection in the Dobrudja region, An. Ovidius Univ., Series Civil Engineering, No. 10, Vol. 1,  2008, pp. 113-117 (ISSN 1589 – 5990)

    toggle Articles in Proceedings of international conferences

    1. C. Gherghina, A. Bărbulescu, L. Roşu, On a method of determination of hydraulic conductivity of soils in the interval of active humidity, Proceedings of international Symposium “The land amelioration between the present and future”, Timişoara, 30.04.2001, pp. 24-30 (ISBN 973 – 8347 – 29 – 2) (in Romanian) 

    1. A. Bărbulescu, Aspects of the demographic phenomena evolution in Romania, after 1990, Proceedings of the 3-rd International Conference of PhD. Students, Economics, Miskolc, 13 – 18.08.2001, pp. 1-8 (ISBN 963 661 480 6, ISBN 963 661 481 4)

    2. A. Bărbulescu, C. Gherghina, Experimental research regarding the soil water retention on irrigated fields, Proceedings of the 3-rd International Conference of PhD. Students, Engineering  Sciences, Miskolc, 13 – 18.08.2001, pp. 585-588 (ISBN 963 661 480 6, ISBN 963 661 482 2) 

    3. A. Bărbulescu, The modeling of the natural increase in Romania, Proceedings of the International Conference on Naval and Marine Education, Constanţa, 14 – 16.11. 2002, pp. 105-110

    4. A. Bărbulescu, Freeboard program development, C. Dumitriu, Proceedings of the 6th Balkan Conference on Operational Research, Tessaloniki, 22 – 25.05.2002, T4B2, 9p. 

    5. A. Bărbulescu, V. Mârza, Some models for the voltage induced in a liquid by cavitation, Proceedings of Conference 2004: Dynamical systems and applications, Antalya, Turkya, 5- 10.07.2004, GBS Publishers, 2005, pp. 158-165 (ISBN 81 – 89476 – 00 – 9)

    6. C. Maftei, A. Bărbulescu, Program for the management of the pluviometrical and limnimetrical data, Conference 2004: Dynamical systems and applications, Antalya, Turkya, 5-10.07.2004, pp. 508-514 (ISBN 81 – 89476 – 00 – 9)

    7. A. Bărbulescu, Hausdorff h-measure and Box dimension of some sets, Workshop on Fractal Analysis, Eisenach, Germany, 11 – 17.09.2005

    8. A. Bărbulescu, The estimation of the graph Box dimension of a class of fractals, The 7th Balkan Conference on Operational Research, Constanţa, 25 - 28.05.2005 (ISBN 973 – 8303 – 69 – 9)

    9. C. Dumitriu, A. Bărbulescu, A method for the single direction nesting computation, The 7th Balkan Conference on Operational Research, Constanţa, 25 - 28.05.2005 (ISBN 973 – 8303 – 69 – 9)

    10. C. Maftei, A. Bărbulescu, Computing the intensity - duration - frequency curves for a Romanian catchment, Proceedings of The third International Conference of Mathematical Sciences, 3 - 6.03.2008, Al Ain, pp. 1178-1186

    11. C. Maftei, A. Bărbulescu, Frequential Models for the Precipitation Evolution in Romania, Proceedings of the 5-th International Conference “Dynamical Systems and Applications”, An. Ovidius University, Series: Civil Engineering, vol. 1, Special Issue 11, June 2009, pp. 73-80

    12. E. Băutu, A. Bărbulescu, Forecasting Financial Time Series with a Hybrid ARIMA-GEP Approach, Proceedings of the 9th Balkan Conference on Operational Research (Constanta, Romania, September 02-06, 2009), V. Preda and I. Mierlus - Mazilu Eds., ISBN 973-86979-9-9.

    toggle Articles in Journals indexed in International data bases (others than ISI)

    1. A. Bărbulescu, About the (alpha, p) - capacity of a set, An. Șt. Univ. “Ovidius” Constanta, Matematică, vol. 6(2), 1998, pp. 5–14. 

    2. A. Bărbulescu, Some determination methods for the relations between p-module and p-capacity, An. Șt. Univ. “Ovidius” Constanta, Matematică, vol. 7(2), 1999, pp. 1 -7.

    3. A. Bărbulescu, About the positivity of the Hausdorff h - measure, An. Șt. Univ. “Ovidius” Constanta, Matematică, vol. 8(1), 2000, pp. 1-7.

    4. A. Bărbulescu, About a program for the calculus of the Padé approximants, supliment la vol. IX (2), An. Șt. Univ. “Ovidius” Constanta, Matematică, 2001, pp. 187-193.

    5. A. Bărbulescu, About the h-measure of a set. II, An. Șt. Univ. “Ovidius” Constanta, Matematică, vol. 9, fasc. 2 (2001), pp. 5-8.

    6. A. Bărbulescu, About a program for the calculus of the Padé approximants. II, Automation Computers Applied Mathematics, vol. 11, no.1, 2002, pp. 13-19.

    7. A. Bărbulescu, The modeling of the unemployment in Romania, after 1990, Bull. Sci. Univ. Baia Mare, seria B, Matematics – Informatics, vol. XVIII, Nr.2, 2002, pp. 141–146.

    8. A. Bărbulescu, Some models for the voltage, An. Șt. Univ. “Ovidius” Constanta, Matematică, vol. 10 (2), 2002, pp. 1-7.

    10. A. Bărbulescu, C. Dumitriu, On the freeboard calculus, Automation, Computers Applied Mathematics, vol. 13, no.3, 2004, pp. 13-20.

    11. A. Bărbulescu, V. Mârza,  Some results regarding the ultrasonic cavitation, Acta Universitatis Apulensis, No.7, 2004, pp. 31-38.

    12. A. Bărbulescu, On a class of functions with the graph Box dimension s, An. Șt. Univ. “Ovidius” Constanta, Matematică, vol. 12 (2), 2004, pp. 1-8.

    13. A. Bărbulescu, Boundedness conditions of Hausdorff measures in measures metric spaces, An. Șt. Univ. “Ovidius”, Mathematică, vol.13 (2), 2005, pp. 1-8.

    14. D. Savin, A. Bărbulescu, The Diophantine equation x^4-q^4=py^7 in special conditions, Automation, Computers Applied Mathematics, vol. 15, no.2, 2006, pp. 295– 300.

    15. L. Roşu, A. Bărbulescu, S. Hancu, A. Dumitru, Deterministic multivariate model for simulation of downstream bival automatic controller in irrigation systems, An. Șt. Univ. “Ovidius” Constanta, Matematică, vol. 15(2), 2007, pp. 71-82.

    16. A. Bărbulescu, Results on fractal measure of some sets, Theory of Stochastic Processes, vol. 13(29), nos. 1 - 2, 2007, pp. 13–22.

    17. A. Bărbulescu, ARIMA models for unemployment, Creative Mathematics and Informatics, vol. 17, no.1, 2008, pp. 78-83.

    18. A. Bărbulescu, E. Băutu, Meteorological Time Series Modeling Using an Adaptive Gene Expression Programming, Recent Advances in Evolutionary Computing, 2009, pp. 17 -23. 

    19. A. Bărbulescu, E. Băutu, ARIMA Models versus Gene Expression Programming In Precipitation Modeling, Recent Advances in Evolutionary Computing, 2009, pp. 112-117.

    20. A. Bărbulescu, E. Băutu, ARIMA and GEP models for climate variation, International Journal of Mathematics and Computation, vol. 3, No J09, June 2009, pp. 1-7.

    21. A. Bărbulescu, E. Băutu, Time Series Modeling Using an Adaptive Gene Expression Programming, International Journal of Mathematical Models and Methods in Applied Sciences, Issue 2, vol. 3, 2009, pp. 85-93.

    22. A. Bărbulescu, D - C. Toncu, Modelling Precipitation Influence on Tǎbǎcǎrie Lake Water Quality, Mathematical Methods, Computational Techniques, Intelligent Systems, 2010, pp. 152-158 

    23. A. Bărbulescu, The analysis of correlation of some ions concentration in rainwater in an urban area, International Journal of Mathematical Models and Methods in Applied Sciences, Issue 2, vol. 4, 2010, pp. 105-112.

    24. A. Bărbulescu, C. Șerban (Gherghina), C. Maftei, Statistical Analysis and Evaluation of Hurst Coefficient for Annual and Monthly Precipitation Time Series, WSEAS Transactions on Mathematics, Issue 10, vol. 9, Oct. 2010, pp. 791-800.

    25. C. Șerban, C. Maftei, A. Bărbulescu, Assessment of Evapotranspiration Using Remote Sensing Data and Grid Computing and Application, WSEAS Transactions on Computers, Issue 11, vol. 9, Nov. 2010, pp. 1245-1254.

    26. A. Bărbulescu, C. Şerban (Gherghina), C. Maftei, Evaluation of Hurst exponent for precipitation time series, Latest Trends on Computers, Vol. II, 2010, pp. 590-595.

    27. C. Şerban (Gherghina), C. Maftei, A. Bărbulescu, Estimation of Evapotranspiration Using Remote Sensing Data and Grid Computing: A Case Study in Dobrogea, Romania, Latest Trends on Computers, Vol. II, 2010, pp. 596-600.

    28. C. Maftei, A. Bărbulescu, C. Buta, C. Șerban (Gherghina), Change Points Detection and Variability Analysis of some Precipitation Series, Recent Researches in Computational Techniques, Non-Linear Systems and Control, 2011, pp. 232-237.

    29. J. Deguenon, A. Bărbulescu, Study of Extreme Daily Rainfall Using GPD Model, International Journal of Mathematics and Computation, vol. 11, no. J11, 2011, pp. 28-37.

    30. C. (Gherghina) Șerban, C. Maftei, A. Bărbulescu, A Web Services Composition with BPEL for Satellite-based Land Surface Temperature Estimation, International Journal of Mathematics and Computation, vol. 11, no. J11, 2011, pp. 61-72.

    31. J. Deguenon, A. Bărbulescu, Trends of extreme precipitation events in Dobrudja, Ovidius University Annals, Series: Civil Engineering, issue 13, Nov. 2011, pp. 73-80.

    32. C. Maftei, A. Bărbulescu, C. Șerban (Gherghina), I. Ilie, Statistical analysis of precipitation variability in Dobrudja region, Ovidius University Annals, Series: Civil Engineering, issue 13, Nov. 2011, pp. 81-92.

    33. A. Bărbulescu, J. Deguenon, Mathematical models for extreme monthly precipitation, Ovidius University Annals, Series: Civil Engineering, issue 13, Nov. 2011, pp. 93-104.

    34. A. Bărbulescu, C. Șerban, Multifractal analysis of rainfall of Romania, International Journal of Ecological Economics & Statistics, vol. 25, issue 2, 2012, pp. 1-11.

    35. A. Bărbulescu, J. Deguenon, Nonparametric methods for fitting the precipitation variability applied to Dobrudja region, International Journal of Mathematical Models and Methods in Applied Sciences, Issue 4, vol. 6, 2012, pp. 608-615.

    36. A. Bărbulescu, J. Deguenon, Modeling the annual precipitation evolution in the region of Dobrudja, International Journal of Mathematical Models and Methods in Applied Sciences, Issue 5, vol. 6, 2012, pp. 617-624.

    37. A. Bărbulescu, J. Deguenon, Fitting Precipitation Variability in Dobrudja region, Recent Researches in Applied Computers and Computational Science, 2012, pp. 30-35.

    38. A. Bărbulescu, J. Deguenon, Nonparametric models for the regional precipitation evolution in Dobrudja, Recent Researches in Applied Computers and Computational Science, 2012, pp. 41-45.

    39. C. Maftei, A. Bărbulescu, P. Hubert, C. Serban, G. Dobrică, Statistical analysis of precipitation from Constanța (Romania) Meteorological Station, Recent Researches in Applied Computers and Computational Science, 2012, pp. 52-57.

    40. J. Deguenon, A. Bărbulescu, Fractal characterization of rainfall in Benin, International Journal of Ecological Economics & Statistics, Issue No. 3, Vol. 30, April 2013, pp. 46 – 55. 

    41. A. Bărbulescu, A. Petac, Statistical assessement of precipitation evolution. Case study, Automation, Computers, Applied Mathematics, vol. 22 (1), 2013, pp. 7-15.

    42. G. Minea, A. Bărbulescu, Statistical assessing of hydrological alteration of Buzău River induced by Siriu dam (Romania), Forum geographic, vol. 13(1), 2014, pp. 50-58.

    toggle Articles in others peer reviewed International Journals

      1. A. Bărbulescu, About the positivity of the Hausdorff h - measure, Bull for Applied & Computing Math. (XCVI – A), Technical University of Budapest, 2001, pp. 117-124 (ISSN 0133 – 3526)

      2. A. Bărbulescu, C. Gherghina, Mathematical modeling of the water retention in different soil textural type, Bull. For Applied & Computer Mathematics (XCVI – C), Technical University of Budapest, 2001, pp. 23-30 (ISSN 0133 – 3526)

      3. A. Bărbulescu, C. Maftei, Mathematical modeling of the erosion process for the experimental plot, Bull. For Applied & Computer Mathematics (XCVI – C), Technical University of Budapest 2001, pp. 31-38 (ISSN 0133 – 3526)

      4. A. Bărbulescu, C. Maftei, C. Dumitriu, The modeling of the climatic process that participates at the sizing of an irrigation system, Bull. For Applied & Computer Mathematics (XCVII – D), Technical University of Budapest, 2002, pp. 11 – 20 (ISSN 0133 – 3526)

      5. A. Bărbulescu, Application of the differential equations in epidemiology, Bull. for Applied & Computer Mathematics (XCVII – D), Technical University of Budapest, 2002, pp. 21-26 (ISSN 0133 – 3526)

      6. A. Bărbulescu, A model for the water leakage after a torrential rain, Bull. for Applied & Computer Mathematics (XCVIII – C), Technical University of Budapest, 2003, pp. 133- 138 (ISSN 0133 – 3526)

      7. A. Bărbulescu, C. Ciobanu, Mathematical characterization of the signals that determine the erosion by cavitation, International Journal Mathematical Manuscripts, vol. 1, no.1, 2007,  pp. 42–48  (ISSN 0974 – 2883)

      8. C. Ciobanu, A. Bărbulescu,  Something about Conformal Mapping in Hydrodynamic, International Journal Mathematical Manuscripts,  vol. 1, no.1, 2007, pp. 59–64 (ISSN 0974 – 2883)

      9. C. Maftei, C. Gherghina, A. Bărbulescu, A computer program for statistical analyzes of hydro - meteorological data, International Journal Mathematical Manuscripts, vol. 1, no.1, 2007, pp. 95-103 (ISSN 0974 – 2883)

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