Comptes rendus de l'Académie bulgare des Sciences

C O N T E N T S

MATHEMATICS

01   Mitrofan M. Choban, Ekaterina Mihaylova   Local Properties of Mappings via Selections

02   Galia Nakova   Totally Umbilical Radical Screen Transversal Half Lightlike Submanifolds of Almost Contact B-metric Manifolds

03   Ünsal Tekir, Suat Koç   Eisenstein Irreducibility Criterion for Modules

PHYSICS

04   Vasilka Pencheva, Stoyan Penchev, Tanja Dreischuh, Sergey Naboko   Dial Hygrometer Utilizing Powerful Laser Diodes: Progress towards Diurnal Operation

05   Jian Zheng   Relational Patterns Discovery in Climate with Deep Learning Model

CHEMISTRY

06   Dimitar Radev   Densification of B₄C–Me_xB_y Composites by Liquid Phase Sintering Mechanism (Me is Ti, Cr and W)

07   Dian Wen, Jian Lang   A Novel Photocatalytic Membrane Decorated with Polydopamine/Halogenated Bismuth Oxide for Efficient Dye Removal under Visible Light

BIOLOGY

08   Nikoleta Boteva, Nils-Kåre Birkeland, Margarita Kambourova   Complete Nitrogen Cycle Driven by the Thermophilic Microbial Community of Rupi II Hot Spring

09   Tvetan Tsvetkov, Denica Daskalova   Analysis of Seminal Plasma Proteins Related to Sperm Hyperactivation

10   Vesela Yordanova, Galya Staneva, Miglena Angelova, Victoria Vitkova, Aneliya Kostadinova, Dayana Benkova, Ralitsa Veleva, Rusina Hazarosova   Modelling of Molecular Mechanisms of Membrane Domain Formation during the Oxidative Stress: Effect of Palmitoyl-oxovaleroyl-phosphatidylcholine

11   Tihomira Stoyanova, Veselina Uzunova, Albena Momchilova, Rumiana Tzoneva, Iva Ugrinova   The Treatment of Breast Cancer Cells with Erufosine Leads to Actin Cytoskeleton Reorganization, Inhibition of Cell Motility, Cell Cycle Arrest and Apoptosis

GEOLOGY

12   Athanas Chatalov   Automicritic Boundstones/Cementstones in the Upper Triassic Tran Formation from the Vicinity of Chukovets Village, Southwestern Bulgaria

13   Eleonora Balkanska, Stoyan Georgiev, Alexandre Kounov, Takahiro Tagami, Shigeru Sueoka   Fission-track Analysis Using LA-ICP-MS: Techniques and Procedures Adopted at the New Low-temperature Thermochronology Laboratory in Bulgaria

SPACE SCIENCES

14   Rumiana Bojilova, Plamen Mukhtarov   Construction of Ionospheric Critical Frequencies Based on the Тotal Еlectron Сontent over Bulgaria

MEDICINE

15   Spas Dimitrov Dzhoglov, Doychin Boyadzhiev, Evgeniya Neshova Ivanova   . Association between Some Environment and Lifestyle Factors with Male Semen Quality Parameters: Semen Volume, Spermatozoa Concentra tion and Motility

16   Filip Abedinov, Violeta Groudeva, Iliyan Petrov, Hristo Angelov, Georgy Tsaryanski, Plamen Krastev   Analysis of Functional Capacity and Risk Factors in Patients with Prolonged Treatment in Intensive Care Unit after Cardiac Surgery - Long-term Results

17   Kaloyan Davidoff, Adrian Popov, Valeri Gelev, Ivayla Zheleva-Kyuchukova, Milena Staneva   Percutaneous Super-selective Embolization of Iatrogenic Lesions of Renal Vasculature Following Percutaneous Nephrolithotomy

AGRICULTURAL SCIENCES

18   Maria Geneva, Kostadin Kostadinov, Stoyan Filipov, Elisaveta Kirova, Ira Stancheva   Analysis of the Antioxidant Capacity of Lettuce Growth at Different Fertilizer Regimes