Volume 61, Issue 1 — January 2021
Faculty of Economics, University of Prague, Czech Republic
Keywords: agricultural business, financial health of a business, bankruptcy prediction models, binary logistic regression, discriminant analysis, confusion matrix
In the introductory part the contribution declares the importance of this issue in the context of the common European agricultural policy. So far, no expeditive method has been available for determina...
Department of Agricultural Sciences, Czech University of Life Sciences, Czech Republic
Keywords: hygienic stations, fixed technical efficiency, DEA, production function, envelope curve
The paper demonstrates one of the possible ways to measure efficiency of administrative bodies on an example of hygienic stations in the Czech Republic. The literature search provides a historical ove...
Department of Forestry, Universidad Autónoma de Nuevo León, Mexico
Keywords: Dendrochronological indexes, Tree growth–climate relationships
Despite the progress of dendrochronology, few studies have examined details about how the sensitivity of radial growth of Pinus cooperi may vary with tree ring index (TRI). We did an assessment of tre...
Department of Geology, University of Alicante, Spain
Keywords: Volcano, plate displacements, GNSS techniques, permanent stations network geodynamics.
Displacements and ground motions near volcanoes are one of the warning signs of volcanic eruptions. One of the most important tools to detect such movements is the technology provided by GNSS permanen...
Department of Materials Science, University of Zagreb, Croatia
Keywords: sol-gel, TiO2−ZrO2 films, XRD, GD-OES, TOF-ERDA
In this paper, sol-gel TiO2−ZrO2 films with one layer, three layers and five layers were deposited on the X2CrNiMo17-12-2 (AISI 316L) austenitic stainless steel by dip coating method. Calcination wa...
Department of Mathematics, Istanbul Technical University, Turkey
Keywords: Normalized Laplacian matrix,\nSignless Laplacian matrix, \nBounds of eigenvalue
In this paper, we found the bounds of the extreme eigenvalues of a nor-\nmalized Laplacian matrices and signless Laplacian matrices using by theirs traces. In\naddition, we found the bounds for k-th e...
Department of Mathematics, University of Bucharest, Romania
Keywords: Alexander integral operator, Bernardi integral operator, Ic+delta integral\noperator, Ruscheweyh operator.
In this paper we study the preserving properties for a subclass of functions\nwith negative coefficients by using some integral operators.
Department of Medical Sciences, Indian Institute of Technology Delhi, India
Keywords: Pregnant women, Fetal Sex, Sleep disorder
Abstract\n\n79% of the American and 87.2% of the Iranian pregnant women suffer from sleep disorders. These disorders are the result of physiological, hormonal, and physical changes occurring in pregna...
Department of Medical Biology, Istanbul University, Turkey
Keywords: VEGF, endostatin, solubleVEGFR, angiogenesis, angiogenic factors
Objective(s): Angiogenesis is one of the important events of pregnancy. The aim of this study was to investigate the changes serum levels of angiogenic (vascular endothelial growth factor, VEGF) and a...