Vol. 75 No. 4 (2022)

Mathematics

Some Lacunary Power Series and Mahler’s Um-numbers in p-adic Domain

Fatma Çalışkan

477-485
- Full Text
Gradient almost Para-Ricci-like Solitons on Para-Sasaki-like Riemannian Pi-manifolds

Hristo Manev

486-494
- Full Text
Polynomial and Multinomial Coefficients in Terms of Number of Shortest Paths

Bashar Khassawneh, Benedek Nagy

495-503
- Full Text

Physics

Dark Energy is Dark Matter below Absolute Zero in Black Holes

Roumen Tsekov

504-509
- Full Text
Investigation of the Gyrotropy in the Spectral Region of the Absorption "Shoulder" of the Oxide Crystal Bi12SiO20

Todor Dimov, Iliya Iliev, Antonina D. Hristova

510-518
- Full Text

Chemistry

Spectral Properties of Copper(II) bis-monensinate

Ivayla Pantcheva, Radoslava Stamboliyska, Ahmed Nedzhib, Petar Dorkov

519-526
- Full Text

Biology

In situ and Ex situ Investigations on Breeding Systems and Pollination of Sideritis Scardica Griseb. (Lamiaceae) in Bulgaria

Hristo Valchev, Ekaterina Kozuharova

527-535
- Full Text
Contribution to the Knowledge of Bromus Diandrus–Rigidus (Poaceae) Polyploid Complex in the Bulgarian and Romanian Floras

Stoyan Stoyanov, Gavril Negrean, Vladimir Vladimirov

536-544
- Full Text
Species Status of Ragworm Populations (Nereididae: Tylorrhynchus Sp.) Exploited as a Human Specialty Based on Their Molecular Analyses in the Northern Coast of Vietnam

Manh Quang Vu, Ha Thi Nguyen, Sakkouna Phommavongsa, My Tra Ha, Hien Thu Lai

545-553
- Full Text
On the Pathogenicity of Metarhizium Pemphigi against Ips Typographus L.

Danail Takov, Marek Barta, Teodora Toshova, Danail Doychev, Daniela Pilarska

554-560
- Full Text

Geology

Spatial Sampling Design for the Geogenic Radon Potential Survey in Sliven Province, Bulgaria

Dimitar Antonov, Kremena Ivanova , Bistra Kunovska, Desislava Djunakova, Iren Ilieva, Polina Andreeva, Sava Kolev, Aleksey Benderev

561-569
- Full Text

Engineering Sciences

An Improved Seventh Order Hermite WENO Scheme for Hyperbolic Conservation Laws

Yousef H. Zahran, Amr H. Abdalla

570-580
- Full Text

Medicine

Oxidized Lipids Control Lipid Order and Phospholipase A2 Activity in Model Membranes

Vesela Yordanova, Rusina Hazarosova, Victoria Vitkova, Aneliya Kostadinova, Miglena Angelova, Albena Momchilova, Plamen Krastev, Galya Staneva

581-589
- Full Text
The Utility of Preimplantation Genetic Test in Couples with History of Infertility and Pregnancy Loss

Savina Hadjidekova, Slavyana Yaneva Staykova, Rada Staneva, Maria Pancheva, Maria Serafimova, Kristina Nikolova, Draga Toncheva, Georgi Stamenov

590-595
- Full Text
C-Reactive Protein/Albumin Ratio in Patients with Type 2 Diabetes Mellitus

Zeynep Caliskan, Yalcin Hacioglu, Nurgul Bulut, Yildiz Dincer

596-605
- Full Text
Prevalence in Apparently Healthy Postmenopausal Women of More than 1 SD T-score Difference between Two Adjacent Lumbar Spine Vertebrae (L1–L4) without Any Identifiable Cause

Kristina Sirakova, Antonina Gerganova, Nataliya Temelkova

606-611
- Full Text
Dental Status of Active Age Population in the Republic of Bulgaria

Stanislav Nenov, Petar Bozhinov, Nikolai Hristov, Boyko Bonev

612-619
- Full Text

Agricultural Sciences

Callus via Shoot Organogenesis and Plant Regeneration of Stevia rebaudiana Bertoni

Ely Zayova, Trendafil Nedev, Ira Stancheva

620-628
- Full Text

Full Issue

Mathematics

Some Lacunary Power Series and Mahler’s Um-numbers in p-adic Domain

Gradient almost Para-Ricci-like Solitons on Para-Sasaki-like Riemannian Pi-manifolds

Polynomial and Multinomial Coefficients in Terms of Number of Shortest Paths

Physics

Dark Energy is Dark Matter below Absolute Zero in Black Holes

Investigation of the Gyrotropy in the Spectral Region of the Absorption "Shoulder" of the Oxide Crystal Bi12SiO20

Chemistry

Spectral Properties of Copper(II) bis-monensinate

Biology

In situ and Ex situ Investigations on Breeding Systems and Pollination of Sideritis Scardica Griseb. (Lamiaceae) in Bulgaria

Contribution to the Knowledge of Bromus Diandrus–Rigidus (Poaceae) Polyploid Complex in the Bulgarian and Romanian Floras

Species Status of Ragworm Populations (Nereididae: Tylorrhynchus Sp.) Exploited as a Human Specialty Based on Their Molecular Analyses in the Northern Coast of Vietnam

On the Pathogenicity of Metarhizium Pemphigi against Ips Typographus L.

Geology

Spatial Sampling Design for the Geogenic Radon Potential Survey in Sliven Province, Bulgaria

Engineering Sciences

An Improved Seventh Order Hermite WENO Scheme for Hyperbolic Conservation Laws

Medicine

Oxidized Lipids Control Lipid Order and Phospholipase A2 Activity in Model Membranes

The Utility of Preimplantation Genetic Test in Couples with History of Infertility and Pregnancy Loss

C-Reactive Protein/Albumin Ratio in Patients with Type 2 Diabetes Mellitus

Prevalence in Apparently Healthy Postmenopausal Women of More than 1 SD T-score Difference between Two Adjacent Lumbar Spine Vertebrae (L1–L4) without Any Identifiable Cause

Dental Status of Active Age Population in the Republic of Bulgaria

Agricultural Sciences

Callus via Shoot Organogenesis and Plant Regeneration of Stevia rebaudiana Bertoni

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