Comptes rendus de l'Académie bulgare des Sciences

C O N T E N T S

MATHEMATICS

01   Peter Rusev   Laguerre’s Polynomials and the Nonreal Zeros of Riemann’s ς-Function

02   Ivan H. Dimovski, Valentin Z. Hristov   Mean-Periodic Solutions of Euler Differential Equations

PHYSICS

03   Stefan Todorov, Anna Damianova, Lidia Todorova   Natural Waters Investigation from Rivers and Lakes of Rila Mountain National Park

CHEMISTRY

04   Ralitsa Istatkova, Atanas Sidjimov, Antonina Vitkova, Stefan Philipov   Alkaloid Composition of Two Bulgarian Thalictrum Species

BIOLOGY

05   Ivanka Boyadzhieva, Elka Emanuilova   Induction of Superoxide Dismutase Production in Bacillus licheniformis M20 by Heat Shock and Oxidative Stress

06   Hyusein Yemendzhiev, Plamena Zlateva, Anna Terziyska, Zlatka Alexieva   Phenol and Resorcinol Mixture Degradation by Aspergillus awamori Strain

07   Anna Terziyska, Nadejda Peneva, Elena Karpenko, Nedka Shivarova, Zlatka Alexieva   Growth of Trichosporon cutaneum R57 Strain on Phenanthrene

08   Vesselin Borissov, Lubomir Mihov, Svetlozara Petkova, Neli Astrukova, Evgeni Gabev   Improved Liposome Therapy of Chronic Experimental Trichinellosis Proved in Two Muscle Groups

GEOLOGY

09   Ivan Haydoutov, Stefka Pristavova, Lilan-Anna Daieva   Some Features of the Neoproterozoic-Cambrian Geodynamics in Southeastern Europe

10   Zlatka Milakovska, Nadejda Lihareva   Application of the Sequential Extraction Procedure for Trace Metals Speciation in Sediments and Dump Materials (East Maritsa Basin, Bulgaria)

11   Platon Tchoumatchenco, Dragoman Rabrenović, Vladan Radulović, Nenad Malesević   Trans-Border (East Serbia/West Bulgaria) Middle–Late Jurassic (Middle Callovian-Tithonian) Palaeogeographical Correlations. An Essay

GEOPHYSICS

12   Totka Petrova   On the Rerpesentation of the Continental Drift with a Circuit Current Loop Model

SPACE RESEARCH

13   Alexander Mishev, Peter I. Y. Velinov, Lachezar Mateev   Atmospheric Ionization Due to Solar Cosmic Rays from 20 January 2005 Calculated with Monte Carlo Simulations

ENGINEERING SCIENCES

14   Lyubka A. Doukovska   Adaptive Approach to Hough Radar Detector Analysis

15   Valentin Abadjiev, Emilia Abadjieva   Research of the Pile Foundation Process Dynamics. Mathematical Modelling of the Pile Tamping Dynamics

16   Mihail Tsveov, Alexander Kazakoff   Computer Modelling of a Shock Vibration Isolator Subjected to Base Excitation

MEDICINE

17   Reneta Toshkova, Veneta Ivanova, Liliya Yossifova, Elena Gardeva, Elissaveta Zvetkova   In vitro Immunobiological Activity of an Antarctic Streptomyces Polysaccharide

18   Polina Mateeva, Nikola Burdzhiev, Elena Stanoeva, Todor Baramov, Rositsa Zamfirova   Smooth-Muscle Effects of Newly Synthesized Amino-Methyl Piperidinones

19   Diana Trendafilova, Julia Jorgova, Nikolay Runev   Bare Metal Stents as an Acceptable Option in Diabetic Patients

20   Jana Tchekalarova, Daniela Pechlivanova, Cvetomira Atanasova, Petia Markova, Alexander Stoynev   Study of Diurnal Rhythms of Depressive State in Kainate Model of Epilepsy in Normotensive and Spontaneous Hypertensive Rats