Volume 22 / C o n t e n t s
1. Dimitar Dimitrov
THIN VISCOUS ELLIPTICAL ACCRETION DISCS WITH ORBITS SHARING A COMMON LONGITUDE
OF PERIASTRON. III. NUMERICAL EVALUATIONS OF THE VALIDITY DOMAIN OF THE SOLUTIONS		 5
2. Peter Velinov, Lachezar Mateev, Hanns Ruder
ATMOSPHERIC CUT-OFFS IN THE GENERALIZED MODEL OF IONIZATION PROFILES DUE
TO THE COSMIC RAY CHARGED PARTICLES IN PLANETARY IONOSPHERES AND ATMOSPHERES WITH 5 ENERGY INTERVAL APPROXIMATION OF THE IONIZATION LOSSES FUNCTION		 24
3. Peter Velinov, Hanns Ruder, Lachezar Mateev
ENERGY DECREASE LAWS AND ELECTRON PRODUCTION RATES IN THE GENERALIZED MODEL
OF IONIZATION PROFILES DUE TO THE COSMIC RAY CHARGED PARTICLES
IN PLANETARY IONOSPHERES AND ATMOSPHERES
WITH 5 ENERGY INTERVAL APPROXIMATION OF THE IONIZATION LOSSES FUNCTION		 37
4. Atanas Atanassov
ENHANCING THE EFFICIENCY IN CHECKING CONSTRAINTS SATISFACTIO WHEN PLANNING GROUND-BASED AND SPAC EXPERIMENTS, USING ALTERNATIVE PROBLEM		 51
5. Atanas Atanassov
 AN ADAPTIVE PARALLEL INTEGRATOR OF ORDINARY DIFFERENTIAL EQUATIONS SYSTEM FOR SPACE EXPERIMENT SIMULATION		 59
6. Dimitar Valev
 NEUTRINO ANO GRAVITON MASS ESTIMATIONS BYA PHENOMENOLOGICAL APPROACH		 68
7. Mariana Tsaneva
TEXTURE EDGE DETECTION TECHNIQUES USING TEXTURE FEATURES AND GRADIENT-BASED EDGE DETECTORS		 83
8. Plamen Kostov, Ivan Stoyanov, Svetlana Sapunova
SUBSTRATE MEDIA SELECTION FOR USE IN SPACE GREENHOUSES: LABORATORY APPARATUS FOR ASSESSMENT OF SEED GERMINATION RESPONSES TO GRADUATED
SUBSTRATE SURFACE MOISTURE		 99
9. Ljubka Georgieva, Iliana Nacheva, Tsvetan Tsvetkov
MODULES BASED ON NUTRITIONAL ADAPTOGENES FOR ASTRONAUTS AND GROUND CONTROL		 113
10. Marec Hičár
MODELLING AND ANALYSIS OF ELECTRO-MECHANICAL FLIGHT ACTUATOR SUSTEM		 122
11. Antonio Andonov, Galina Cherneva, Zoya Hubenova
COHERENT FORMATION AND RECEPTION OF FREQUENCY HOPPING SPREAD SPECTRUM SGNALS
IN AERO-COSMIC RADIO LINES		 133
12. Plamen Manoilov
 ELECTROENEPHALOGRAM ELECTROOCULOGRAPHIC ARTEFACTS POWER SPECTRUM ANALYSIS		 142
13. Milen Zamfirov, Petar Getsov
ON SOME RESULTS FROM THE OBSERVBATIONS OF THE TOTAL SOLAR ECLIPSES
OF 11/08/1999 AND 29/03/2006		 151
  New books  
  Boyko Ranguelov
A NEW BOOK ABOUT NATURAL HAZARDS		 158