One of the promising methods for the integral assessment of the quality of the environment and the vital activity of herbaceous plants is the assessment of the state of living organisms by the morphometric characters ...

In recent years, the silver bream of the upper part of the Volga stretch of the Kuibyshev reservoir maintained a tendency to reduce the average size and weight indicators. Given the good availability of food and the fact ...

In this paper, low-combustible composites were made by adding 0.8-25 wt% of expandable graphite to rigid polyurethane foams (PUF) to ensure effective and safe usage of building materials made of PUFs. Thermal gravimetric ...

This article discusses the multiple regression analysis techniques to determine the effectiveness of the factors used. The study examines the various relationships between the elements. It is important to identify which ...

The study is devoted to the analysis of social determinants of human health, their quantitative and qualitative aspects. The analysis was carried out according to the authors' methodology, which includes a comparison of ...

The widespread distribution of ultramafic complexes makes it possible to distinguish a large-scale ultrabasic magmatic province on the Siberian platform. In this regard, studies of the conditions of magmatic systems ...

Modeling of the elastic properties of a bitumen-saturated sandstone layer in the deposits of the Ufimian Stage of the Permian System was performed using the data from well logging and core research. Since elastic properties ...

The current research aims to reconstruct sources of the rocks and pyroclastic input in the epeiric sea of the Eastern Russian Platform in the Latest Jurassic. Nine samples of the Volgian mudrocks, black shales, and sandstones ...

This paper presents the results of the hydrochemical, hydrobiological, and paleolimnological studies of 17 Arctic lakes in the Pechora River delta. Water samples and surface sediments were collected during the 2020 summer ...

The paper presents the first detailed evidence for the Permian and Early Triassic ichnofossils of the Southern Verkhoyansk Region. The possibility of using ichnofossils for reconstruction of terrigenous sedimentation at ...