bluuebunny/crossref_metadata_2025 huggingface dataset:
Enhancing the flame retardancy of lyocell fabric finished with an efficient, halogen-free flame retardant
Authors: Tan Wei , Ren Yuanlin , Xiao Mengyuan , Guo Yingbin , Liu Yansong , Zhang Jiayue , Zhou Xinke , Liu Xiaohui
Published: October 2021

A novel flame retardant (PNPG) containing phosphorus and nitrogen was synthesized based on neopentyl glycol, phosphoric acid and urea, and was then used for preparation of flame retardant lyocell fabric through a dip-dry-cure finishing process.
Structural insights into glucocorticoid receptor function
Authors: Frank Filipp , Ortlund Eric A. , Liu Xu
Published: October 2021

The glucocorticoid receptor (GR) is a steroid hormone-activated transcription factor that binds to various glucocorticoid response elements to up- or down- regulate the transcription of thousands of genes involved in metabolism, development, stress and inflammatory responses. GR consists of two domains enabling interaction with glucocorticoids, DNA response elements and coregulators, as well as a large intrinsically disordered region that mediates condensate formation. A growing body of structural studies during the past decade have shed new light on GR interactions, providing a new understanding of the mechanisms driving context-specific GR activity. Here, we summarize the established and emerging mechanisms of action of GR, primarily from a structural perspective. This minireview also discusses how the current state of knowledge of GR function may guide future glucocorticoid design with an improved therapeutic index for different inflammatory disorders.
The Acquisition of Acoustic Cues to Onset and Coda Voicing Contrasts by Preschoolers With Hearing Loss
Authors: Bruggeman Laurence , Millasseau Julien , Yuen Ivan , Demuth Katherine
Published: October 2021

Purpose:

Children with hearing loss (HL), including those with hearing aids (HAs) and cochlear implants (CIs), often have difficulties contrasting words like “

b

each
” versus “

p

each
” and “
do

g

” versus “
do

ck

” due to challenges producing systematic voicing contrasts. Even when acoustic contrasts are present, these may not be perceived as such by others. This can cause miscommunication, leading to poor self-esteem and social isolation. Acoustic evidence is therefore needed to determine if these children have established distinct voicing categories before entering school and if misperceptions are due to a lack of phonological representations or due to a still-maturing implementation system. The findings should help inform more effective early intervention.

Method:

Participants included 14 children with HL (eight HA users, five CI users, and one bimodal) and 20 with normal hearing, all English-speaking preschoolers. In an elicited imitation task, they produced consonant–vowel–consonant minimal pair words that contrasted voicing in word-initial (onset) or word-final (coda) position at all three places of articulation (PoAs).

Results:

Overall, children with HL showed acoustically distinct voicing categories for both onsets and codas at all three PoAs. Contrasts were less systematic for codas than for onsets, as also confirmed by adults' perceptual ratings.

Conclusions:

Preschoolers with HL produce acoustic differences for voiced versus voiceless onsets and codas, indicating distinct phonological representations for both. Nonetheless, codas were less accurately perceived by adult raters, especially when produced by CI users. This suggests a protracted development of the phonetic implementation of codas, where CI users, in particular, may benefit from targeted intervention.
Adventitious plants of the flora of the city of Omsk
Authors: Antipova Maria , Samoylova Galina
Published: October 2021

The data of the study and analysis of the adventive element of the flora of the city of Omsk are presented. The updated list of adventitious plants of the flora of the city of Omsk is given. The invasive plants listed in the Black Book of Siberia are indicated.
Estimation of the distribution of eastern and western marginal localities of plant species in the Southern Tuva Mountain Chain
Authors: Artemov Igor’ A.
Published: October 2021

The increase of number of the western marginal plant localities is revealed in the western part of the Southern Tuva Mountain Chain, from the Mongun-Taiga Massif to the Sengilen Mt. Range, in comparison with the eastern and central parts of this mountain chain. The increased number of the eastern marginal plant localities is revealed in the eastern part of the mountain chain in comparison of its central part. Such distribution of marginal localities suggests the Southern Tuva Mountain Chain to be a corridor for the westward and eastward migration of plant species.
Predictive distribution for Salvia aethiopis (Lamiaceae) in Middle Asian Region based on climatic modelling
Authors: Baikov Konstantin , Turdiboev Obidjon , Baikova Elena
Published: October 2021

Geospatial investigation of distribution Salvia aethiopis L. (Lamiaceae) on the eastern limits of the range is performed using climatic modeling by MAXENT approach. Climatic conditions for the 33 local populations of the species as well as territories neighbouring to them were examined in detail, using concepts of nestle-cells and a small polygone. According to obtained results, the most suitable climatic conditions are in only two small polygons (SP) around local populations with coordinates 69.96E:42.48N and 70.03E:42.47N in central part of the area. They have 7.7 average points per a cell of 9.0 maximum. Other seven SP have average points per a cell 7.1–7.3 (quite suitable climatic conditions), all in the western part of the area, with coordinates from 66.69E to 67.69E and from 38.21N to 39.26N. High values of raw prediction are in the locations with coordinates 70.97E:42.48N (0.123; Zhualyn District in Zhambyl Region, Kazakhstan), 70.03E:42.47N (0.063; Keltemashat, Tulkibas District, Turkestan Region, Kazakhstan), 67.09E:38.34 (0.063; Yuqori Machay, Surkhandarya Region, Uzbekistan), and 69.96E:42.48N (0.054; Antonovka, Tulkibas District, Turkestan Region, Kazakhstan). These local populations of S. aethiopis should be assessed as the most likely secondary centers for further expansion of the species in the Middle Asian Region.
Effects of anthropogenic fragmentation on the biodiversity of plants in northern meadow steppes
Authors: Bakka Sergey , Kiseleva Nadezhda , Shestakova Anna
Published: October 2021

The paper is aimed to assess the effect of anthropogenic fragmentation on the biodiversity of plants in northern meadow steppes located in the southeast of the Nizhny Novgorod region. The plants were chosen as a model group. A quantitative analysis of the dependence of the number of species on the area of habitats was carried out according to the data collected at 158 sites of meadow steppes and steppe meadows with a total area of 10752 ha. For each of the meadow steppe and steppe meadows surveyed, the total area, proportion, and area covered with meadow steppe communities proper were determined, and a floristic list was compiled, in which species characteristic of meadow steppes were identified. Totally flora lists 361 species of plants, including 110 steppe species. It is shown that ecological interactions between separate fragments of meadow steppe in the south-east of Nizhny Novgorod region are broken; the remained fragments of meadow steppe are isolated. To conserve biological diversity in the forest-steppe zone, the special measures aimed at the ecological restoration of interactions between meadow steppe fragments is necessary.
Architecture of dwarf shrubs and dwarf subshrubs of the genus of Thymus L. and Scutellaria L. (Lamiaceae)
Authors: Cheryomushkina Vera , Talovskaya Evgeniya , Guseva Alexandra
Published: October 2021

The structure of 24 species of Thymus and 12 species of Scutellaria was studied using the architectural approach. For the first time, an architectural unit was described, it is a branched sympodial axis. The architectural unit consists of sympodial axes n+1 order, formation shoots, branching shoots, ephemerous shoots. The wide distribution of species and development of species in contrasting habitat conditions is due to the diversity of sympodial axes and shoots that are part of the architectural unit. Depending on the type of branching and the spatial position of sympodial axes, six modifications of architectural unit were identified. It is established that the structure of mature individuals are formed due to the repetition one of the same modification of architectural unit or a combination different modifications of architectural unit. Each of the variants of the combination determines the type of life form (dwarf shrub or dwarf subshrub) and biomorph (monocentric, dense polycentric, sparse polycentric) and depends on the conditions of the ecotope. The identified modifications of the architectural unit and the variants of their combination determine the strategy for the development of dwarf shrubs and dwarf subshrubs in the development of Northern and Central Asia.
To cognition of the scientific contribution of Professor L.I. Malyshev to the floristic research of Siberia and other territories: a brief analytical review
Authors: Doronkin Vladimir , Vlasova Natalia , Baikov Konstantin
Published: October 2021

Analytical review of scientific contribution of Professor Malyshev is performed and presented on the floristic research of Siberia and other territories (Ural Mountains, Mongolia, Russian Far East, etc.). It was shown, that there were several stages in these researches: from Eastern Sayan to Stanovoy Uplands, Putorana Plateau, and then Central (Baikalian Siberia and Dahuria) Siberia, Siberia in whole, and joined flora of Siberia and Russian Far East, usung different methodical approaches (method of concrete flora of A.I. Tolmachev adopted to mountain regions, and various techniques of multivariate statistics, such as rank correlations for familiesspecies, families-genera, and genera-species in head parts of taxonomic spectra, usually consists of 10 to 20 taxa (families or genera). To solve some florogenetic issues, the concept of floristic complexes as stable groups of species located in a certain belt of mountains (for example, alpine and mountain-steppe) was proposed and applied. At all stages of floristic research, the task was set to maximally identify the species composition on territories of various sizes for subsequent subdivision, with the identification of the boundaries for floristic regions, subregions, provinces and sub-provinces. The local floras and working floristic districts were taken as the basic elements of such division.
Agaricoid basidiomycetes of the natural park Uch-Enmek of Altai Republic
Authors: Gorbunova Irina
Published: October 2021

The data on locations, habitats and vegetation season of 205 species agaricoid basidiomycetes new for the Karakol natural park UchEnmek (Altai Republic) are presented. They were collected in the steppe, forest, forest-steppe and highland belts. Among them 32 species are recorded for the first time for Altai Republic, 6 species are rare in Altai Republic and Western Siberia.
Integrated diagnostic scales of plant introductory value for different natural zones of Kazakhstan
Authors: Imanbayeva Akzhunis , Belozerov Ivan
Published: October 2021

A description is given of the developed in the Mangyshlak experimental botanical garden complex scales of determining the introduction value of plants as applied to the desert zone of Western (Aktau, MEBG), mountain-forest conditions of Eastern (Ridder, ABG) and the desert-steppe zone of Central Kazakhstan (Zhezkazgan, ZBG), including 24 diagnostic features, divided into four sections (groups): 1) biological stability, 2) ornamental and habitat properties, 3) reproductive capacity and 4) economic and biological and scientific importance. The detailed results of their testing on the example of 289 species and forms of aboriginal and foreign flora of 3 botanical gardens in Kazakhstan are given.
Adventive and invasive plant species of natural ecosystems in the Republic of Khakassia
Authors: Lagunova E. G. , Ankipovich E. S. , Shaulo D. N.
Published: October 2021

In this study, 56 adventive species have been identified in Khakas flora to date. In terms of the introduction method, xenophytes dominate; this group is composed of 44 species, which is 78.6% of all the adventive species under study. The ergasiophyte group consists of 12 species (21.4%). According to the naturalization degree, we identified three groups: epecophytes, agriophytes, and ephemerophytes. The epecophyte group is in the lead and consists of 21 species (37.5%). The agriophytes are represented by 19 invasive species (33.9%). The ephemerophyte group is composed of 16 species (28.6%). Thus, the ratios of the synanthropic-plant groups defined according to the introduction method and naturalization degree indicate that most of these adventive plants have been introduced unintentionally and successfully established themselves on a territory new to them. The adventive fraction of natural ecosystems in Khakas flora contains 20 species included in the report “The Black Book of the Flora of Siberia” [1].
Assessment of relationship between biometric characteristics of stone and crown morphotype of Prunus Pumila L.
Authors: Lezin Mikhail , Ufimtseva Larisa
Published: October 2021

Prunus pumila is an introductory species with a disjunctive culturing area, which is caused by the instability of plants to rotting on waterlogged soils with unstable winters and high snow cover. One of the varieties of Prunus pumila in natural habitats grows on acidic soils and sometimes in wetlands. In the introduction population of the Chelyabinsk region, not all varieties could take part in the formation of the introduction population. In terms of stone shape and plant habit, no specimens matching the description of the P. pumila var. depressa variety could be identified. On the basis of the classification of plant morphotypes developed by us it was possible in some cases to obtain significant differences in the distribution of stone indices in groups with different types of crowns. The maximum differences were found in groups with the crown type of raised shrub and tree shrub for the index length / width and length / thickness of the stone. In the first case, a significant difference was obtained at the 1% significance level (tf = 2.81), and in the second even at the 0.1% significance level (tf = 3.78).
The genus Teilingia Bourrelly in waterbodies of West Siberia (Russia)
Authors: Naumenko Yury V.
Published: October 2021

The data on the species diversity of representatives of the genus Teilingia Bourrelly are summarized. from the water bodies of Western Siberia, their distribution by zones and subzones. To date, 4 species and intraspecific taxa from the order Desmidiales are known for the region. Representatives of this family are found mosaically throughout the entire territory of Western Siberia. The largest number of taxa (3) was found in the middle taiga, in the tundra – two species. No species were found in the Irtysh floodplain, forest tundra, northern taiga, forest-steppe and steppe zones. In watercourses, including the Ob and Irtysh, as well as in lakes of different types, 3 taxa were identified, respectively. One species was found in swamps and in temporary reservoirs.
Two standard flora of the lower reaches of the Lena River, as an indicator of the territory’s biodiversity
Authors: Nikolin Evgenii , Yakshina Irina
Published: October 2021

The standard flora method established the diversity of vascular plants in two areas of the lower reaches of the Lena River (North-East Asia), which is estimated at 232 (216 species, 1 notospecies, 11 subspecies and 4 varieties) – 241 (228 species, 11 subspecies and 2 varieties) taxon/km2.
DNA specificity in two Hedysarum sections, Hedysarum and Multicaulia (Siberia, Russia) inferred from ETS sequence data
Authors: Nuzhdina Natalia , Hassanzadeh Abdollah Ghorttapeh , Dorogina Olga
Published: October 2021

Based on sequence data of the nuclear ETS markers of 20 species, the relationships of sections Hedysarum and Multicaulia were assessed. Phylogenetic analysis was performed on the complete sequences using the Neighbor-Joining methods. The nuclear marker ETS is investigated for the first time in the most species excluding H. hedysaroides, H. inundatum, H. ferganense, and H. neglectum. The length of sequences varies from 349 to 357 nucleotides. It is noteworthy that ETS data significantly discriminate H. ferganense from both sections, Hedysarum and Multicaulia. Moreover, our results did not support the subsectional division of Multicaulia section. Therefore, the ETS sequence data obtained in our study for 20 taxa of Hedysarum evidence the nonmonophyly of section Multicaulia.
Mongolian academic botanic garden as an introduction center and ecological resource for plant biodiversity conservation
Authors: Ochirbat Genden , Ochgerel Nanjidsuren , Kuzevanov Victor , Enkhtuya Luvsanbaldan
Published: October 2021

The main results and achievements of the introduction work carried out at the Botanic Garden of the Mongolia Academy of Sciences (BG MAS) for almost 50 years of complicated development with ups and downs are given. It shows modern positioning and value of the BG MAS as the main country’s introduction center, ecological resource and public educational organization, treasurer of the scientific knowledge for the conservation and rational use of plant genetic resources, which contributes to the growing process of new botanic gardens and nurseries formation in Mongolia.
Arctic-Alpine species in the bryoflora of the Altai-Sayan mountain region
Authors: Pisarenko Olga
Published: October 2021

In the bryoflora the Altai-Sayan mountain region, 125 species have a predominantly Arctic-alpine distribution. A table of the locations geo-coordinates and habitat types in EUNI terms is compiled. The most common and rare species have been identified. The peculiarities of ecology and distribution of the species are discussed.
Analysis of high-mountain vegetation of the Kurai Ridge
Authors: Popova Ekaterina , Sinkovskiy Evgeniy
Published: October 2021

The paper presents a taxonomic, areographic and belt-andzonal analysis of the high-mountain flora of the Kurai Ridge. The flora of the region in question contains 312 species of plants, referred to 143 genera belonging to 48 families. Analysis of the taxonomic structure of the high-mountain flora of the Kurai Ridge has shown the following most abundant plant families: Asteraceae, Ranunculaceae, and Poaceae. For the variety of the genera, the following genera are predominant: Carex, Pedicularis, Salix, and Oxytropis. The areographic analysis has demonstrated that the said species are of the North Asian (21 %), South Siberian (19.4 %) and Holarctic (17.4 %) origins. Dominant in the belt-and-zonal range are the following species: high-mountain (23.2 %), light-coniferous forest (17.7 %) and Arctic Alpine (17.4 %) species. In general, the composition and structure of the high-mountain flora of the Kurai Ridge are determined by its geographic position at the boundary of Central and South-Eastern Altai and by decrease in the amount of precipitation in the south-eastern direction.
Biological productivity of the landscapes of the Republic of Tyva
Authors: Sambuu Anna , Oyuntsetseg Chultem , Amartargal Ayurdana
Published: October 2021

The article considers the results of research on the biological productivity of the ecosystems of the Republic of Tuva, in particular, the dynamics of phytomass reserves, pure primary products were carried out in various landscapes of Tuva from 1996 to 2021. It was revealed that the landscape zones of Tuva differ in area, climate and biome structure, where the main producers are grass ecosystems that form 48% of the NPP, the contribution of forests reaches 46%, agrocenoses 1.5%, i.e. more than 90% of products are created in almost equal quantities by forest and grass biomes.
Evidence for two genetic groups within the arctoalpine sedges Carex bicolor All. and C. atrofusca Schkuhr (Cyperaceae)
Authors: Shekhovtsova Irina
Published: October 2021

C. bicolor and C. atrofusca are sedge species characteristic for arctoalpine habitats. They have almost circumpolar distributions; they are found in Europe, Northern Asia, and North America, as well as in Middle Asia (C. atrofusca). We hypothesized that certain genetic and morphological differences between populations may be expected across this large area. We tested a set of geographically remote populations of C. bicolor and C. atrofusca. We sequenced a fragment of the plastid matk gene for 15 specimens of C. bicolor and 10 specimens for C. atrofusca from the Asian Russia, and also extracted sequences of this species from GenBank. We found that for both C. bicolor and C. atrofusca, plants from the Arctic and boreal zones of North America and Eurasia had identical matk sequences, while there was certain nucleotide diversity in the mountain ranges of the southern Siberia. Therefore, based on the obtained data we may hypothesize that the mountains of the East Siberia are the center of diversity for some arctoalpine sedge species, and might have served as the ancestral area of the populations colonizing the Arctic.
Methodology for predicting the resistance of North American plants in the Astana Botanical Garden
Authors: Sitpayeva Gulnara , Babai Inga , Zverev Nikolai , Massalova Velta , Nabieva Svetlana , Khussainova Irina , Ishaeva Ainagul
Published: October 2021

The analysis and selection of modern methods of introduction prediction was carried out to create a promising list of woody plants of the North America site in the Astana Botanical Garden in Nur-Sultan. Using a system-arealogical approach and interpolation forecasting, botanical nurseries were selected – they are donors of generative and planting material to be included in the collection. 33 taxa or 45% of plants corresponding to winter hardiness in the natural area of the climatic zone of Nur-Sultan were selected using the method of climatic analogues of Mayer and winter hardiness zones. The methodology we chose allowed us to expand by 55% the list of plants that have higher winter hardiness in the cultivated area than in the natural one. A promising list of 80 taxa from 19 families and 34 genera has been compiled.
Current state and prospects of breeding in genus Ribes L. in the Asian part of Russia
Authors: Sorokopudov Vladimir , Nigmatzyanov Radmil , Nazaryuk Nadezhda
Published: October 2021

This article shows the current state of black currant breeding in Asian Russia on the basis of scientific research of scientists from Siberia and the Far East in historical terms is shown in the present contribution. A comprehensive description of new winter-hardy and high-yielding varieties with high adaptation to biotic and abiotic stresses, for cultivation in the harsh climatic conditions of the Asian part of Russia, is presented. The prospects of using endemic black currant species R. procumbens Pall. and R. pauciflorum Turcz. ex Pojark, which give new traits and properties during adaptation, in breeding were created and are studied and identified in this article.
Comparative analysis of the competition of stands of different species composition in relation to the Siberian stone pine undergrowth
Authors: Tantsyrev Nikolai
Published: October 2021

Under the canopy of the parent native berry-green-moss Siberian stone pine forest and derivatives berry-green-moss pine and birch forests on the Urals, using the previously proposed complex of light, root, and integral competition indices of the stand, a comparative analysis of the parameters of the Siberian stone pine undergrowth is carried out. Under the canopy of Siberian stone pine forest two main determining factors have a negative complex effect on the growth of the Siberian stone pine undergrowth: the light competition of the stand (the level of photosynthetically active radiation interception by its canopy) and, almost equal to it, the root competition for soil nutrition. Under the pine forest canopy with the combined negative effect of factors of light and root competition of the stand on the development of Siberian stone pine undergrowth, light competition is decisive. The effect of the root competition is less than almost two times. Under the birch forest canopy the main factor determining the development of Siberian stone pine undergrowth is the light competition of the stand. The connection with the root competition of stand is not expressed.
Genetic diversity analysis of Rose varieties from Grandiflora group based on ISSR molecular markers
Authors: Yudanova Sophia S. , Plugatar Svetlana A. , Klimenko Zinaida K. , Zykova Vera K. , Rubtsova Olena L. , Vasilyeva Olga Yu.
Published: October 2021

Kinship and genetic diversity determination among six rose varieties from the Grandiflora group were carried out using ISSR thechnics. The studied varities were divided into 3 clades: I) ‘Lezginka’, ‘Queen Elizabeth’ and ‘Koralovy surpriz’ varieties; II) ‘Gurzuf’ and ‘Love’ varieties; III) ‘Komsomolsky ogonek’ variety formed a separate branch. This division into clades was confirmed by a statistical comparison of morphometric characters. On the basis of the obtained data, it can be concluded that the analysis using the selected primer group is well-suited for differentiation rose varieties into groups, which makes it possible, for one thing, to determine the genetic distance between varieties, and for another, to use these data in the future by certification of the varieties promising by resistance characters to the continental climate conditions.
Application of various approaches to modeling the gas emissions from TPP cleaning processes
Authors: Aksenova Olesya , Nikolaeva Evgenia
Published: October 2021

The article discusses the possibility of 3D computer modeling tools complex use based on the mathematical processing of the gas emissions from TPP cleaning process. The authors propose to consider an approach to designing a site for capturing solid particles in gas emissions that appear during the production activities of an industrial enterprise by modeling a technological site in various programs. Mathematical processing with the use of the E-network device and the creation of a 3D model enables to plan a site for capturing solid particles in gas emissions, choose the appropriate technology and thereby ensure the ecological effect of both existing and projected power plants. The authors present the results of processing the technological process of gas purification at thermal power plants in terms of E-networks using mathematical processing in the Simulink application, which displays a device model from the standard units available in the program and performs the necessary calculations. 3D models of individual pieces of equipment selected on the basis of mathematical processing calculations in the Simulink application were created using computer 3D modeling in a graphical editor. A 3D visualization of the technological site for capturing solid particles in gas emissions was carried out, enabling a visual display of the planned site at the design stage, which, if necessary, will allow an easy introduction of modifications to the project.
Application of the RRSB, Pogosov, and Weining functions to describe the cumulative size characteristics of anthracites from the Krasnogorsky Mine
Authors: Udovitsky Vladimir , Kandinsky Vladimir , Begunov Artem , Mamontova Natalia
Published: October 2021

Many researchers have found that the nature of the grain size distribution makes it possible to assume the regularity of such a distribution, despite the difference in the physical properties of minerals. There are quite a large number of approximating functions for describing the regularities of the separation of coal and mineral complexes by size, obtained experimentally. There is a need to develop a new methodological approach and tools for selecting the best approximation function. The paper presents the results of predicting the total size characteristics of anthracites of the Krasnogorsky mine by the RRSB, Pogosov, and Weining functions. The quality of the approximation is estimated by the value of the standard deviation. It is established that the Weining formula allows us to calculate with a minimum error the granulometric composition of anthracites of the named deposit in the range of fineness from 0 to 150 mm.
Analysis of physical properties of granular materials on their numerical models (2D case)
Authors: Markov Sergey , Tyulenev Maxim , Vöth Stefan , Klintsov Vasiliy
Published: October 2021

The paper describes a method for determining the density and specific surface of the package of rock particles represented by discs with the size corresponding to the size of the rock fragments of real dump massifs (2D case). The packing method of the particles corresponds to the schemes of dumping used in open-pit mining - areal and peripheral ones. The influence of boundaries, in which the dump is located, on the physical characteristics of this massif - density and porosity - is revealed. It was revealed that the way of formation of the bulk of particles affects its density, especially at the boundaries of the massif. The massif of particles formed in accordance with the area technology of dumping has a denser composition and is less affected by the effect of its boundaries than the massif formed in accordance with the peripheral technology of dumping. The applied method of determining the physical characteristics of the bulk medium differs from the statistical methods (e.g., Monte Carlo) and is well-proven for static media, such as dumps and filtering massifs in open-pit mining.
Road longitudinal slope influence on the efficiency of excavator-automobile complexes usage
Authors: Kudrevatykh Andrey , Furman Andrey , Ashcheulov Andrey
Published: October 2021

At present, the country's coal industry pays special attention to the open-pit mining, because of its higher efficiency and profitability. According to various surveys, currently the share of open-pit mining is 50 - 65%, and it will increase to 80 - 85% in the future. The development of an open-pit mining is accompanied by production scale increase, open pits depth increases and complexity of mining conditions of main technological equipment operation increases. With the increase of open pits depth, technological road transport becomes the most problematic issue in mining, since open-pit depth enlargement increases the distance of transportation and roads longitudinal slopes and these factors reduce the efficiency of excavator-automobile complexes.
Deep processing of organic mass of finely dispersed coal waste
Authors: Murko Vasilii , Baranova Marina , Grishina Irina
Published: October 2021

The technological and technical possibility of deep processing of coal by its liquefaction using the methods of extreme mechanochemical and physical effects has been determined; recommendations have been developed for the applied use of the obtained materials in heat power engineering. The organic part of the solid mass of the prepared coal-oil suspension, which has turned into a relatively heavy organic liquid, can be used as a boiler or motor fuel, as well as a feedstock for the production of various hydrocarbon liquids. The resulting mixture of hydrocarbons can be subjected to rectification to obtain hydrocarbon fractions for the production of plastics, oil fractions and the entire spectrum of hydrocarbons for secondary use. The effective use of the above substances will make it possible to obtain not only economic, but also a significant environmental effect. The possibility of liquefying the organic mass of coal using decalin as a hydrogen donor is shown. It was found that the addition of 3% decalin improves the liquefaction process during cavitation treatment. Liquefaction of the organic mass of coal is accompanied by the splitting of the structures of macromolecules of organic substances of coal into aromatic fragments with a lower molecular weight. It should be noted that the developed technology will solve the problem of increasing the value of the final coal product, including by involving unused fine coal sludge into circulation.
Evolutionary computation and genetic algorithms for designing the optimal mine haul road pavements
Authors: Tailakova Anna , Pimonov Alexander , Mahambayev Daulet
Published: October 2021

An overview of the software for designing flexible road pavements used in the USA, European countries and the Russian Federation is given, conceptual and mathematical models for designing flexible road pavements with the minimum cost per a linear meter are presented, the application of evolutionary algorithms in combination with exhaustive search and parallel computing is substantiated, the developed hybrid genetic algorithm for the optimization of flexible road pavement designs in terms of value of materials of layers is described, the results of a simulation experiment performed using the software developed within the framework of the study are presented in the article. It is proposed to use the developed software and algorithms for designing the optimal haul road pavements in terms of material cost.
On possible changes in the calculation of parameters of transport technology of open pit mining with the use of autonomous heavy platforms
Authors: Stenin Dmitry
Published: October 2021

Reducing the costs of the transport component, reaching up to 50% or more of the total cost of the mined coal, is an urgent task that does not require additional confirmation. Since the development of measures to improve the purely technical indicators of motor transport at open-pit mines is beyond the scope of the general study, we will limit ourselves to the search for technological solutions that can have a positive impact on the overall cost of production. This may include, for example, the search for solutions to reduce the duration of the transport cycle and optimization of its components. It is also necessary to study the possible changes in the indicators of the transport technology of open-pit mining when using classic open-pit dump trucks and autonomous heavy platforms (unmanned open-pit haul trucks). The article presents an analysis of existing technical and technological solutions and research on the use of unmanned transport technologies. It is established that the parameters of transport technology will change to some extent with the introduction of unmanned heavy platforms, which will inevitably lead both to the correction of the existing regulatory documentation, and a possible revision of the classical postulates of open-pit mining.
Theoretical prerequisites of the possibility to influence the noise of the power unit of machines for various purposes
Authors: Ashcheulov Andrey , Kudrevatykh Andrey , Podgorny Alexander , Vinidiktov Andrey , Karipzhanova Ardak
Published: October 2021

The existing economic necessity to increase production efficiency while reducing production costs requires using all opportunities to reduce the noise of equipment used in various industries, including road construction. At the same time, the requirements for the low-noise equipment production should be applied both to road construction machines manufacturers and to engines manufacturers. Numerous studies of the acoustic characteristics of road construction equipment allow noting that the largest part of increased noise sources is located in the engine compartment. At the same time, the engine and its gas exchange systems emit the most amount of the acoustic energy.
Determination of the Overturning Torque of the Cutting Forces of the Knife Actuating Device of the Geokhod
Authors: Aksenov Vladimir , Sadovets Vladimir , Beglyakov Vyacheslav , Pashkov Dmitry , Rezanova Elena
Published: October 2021

The paper considers the relevance of the research, indicated by the authors in the title of the article. As a result of the studies carried out, it was found that the overturning torque of the cutting forces occurs as a result of the imbalance of the system of cutting forces during the destruction of rocks by the actuating device of the geokhod. It was revealed that the value of the critical overturning torque of cutting forces is influenced by two force factors; this is the projection of the resistance of the soil to cutting on a plane perpendicular to the axis of rotation, as well as the total moment of resistance to cutting. As a result of the study, the critical values of the withdrawal force and overturning torque were obtained for specific mining conditions for the development and the specified geometric parameters of the actuating device of the geokhod. The resulting withdrawal force during the destruction of the face rock by the actuating device causes a deviation of the axis of geokhod rotation from the axis of the working’s route. Therefore, it becomes necessary to constantly monitor the deviation of the geokhod rotation axis from the axis of the working’s route, and, if necessary, to correct the geokhod displacement.
Selecting the criterion for diagnosing imbalance of electric mining shovel rotors
Authors: Gerike Pavel , Gerike Boris
Published: October 2021

The limit state criteria for a mining shovel mechanical equipment that contains the faults of a rotor imbalance-type are studied in the article. On the bases of a statistical analysis of mining shovel failures, it is demonstrated that rotor imbalance is a prevailing reason for their accident-caused failures. On the bases of three-year monitoring of supporting elements vibrating activity the vibratory norms for electrical mining shovel rotors that take into account their service condition are substantiated.
Assessment and analysis of the state management of labor resources as a factor in the development of the mining industry in the region
Authors: Zaruba Natalia , Wolfson Eduard , Vostrikov Konstantin , Nikiforova Olga , Sedelnikova Elena
Published: October 2021

The subject of the research in this article is to identify the role and importance of public management of labor resources in the region as a factor in the development of the mining industry by improving the level of professionalism of specialists who evaluate and analyze the labor resources of the mining industry. The purpose of the study is to prepare proposals aimed at implementing effective management of the mining industry's labor resources based on the use of modern methods of assessment and analysis. Research methods. The study used comparative and institutional approaches, as well as empirical methods – methods of observation and comparison. Research materials. In the preparation of the scientific article, statistical data were used to characterize the movement of labor and the use of working time, as well as working conditions and the level of injuries in the mining region of the Kemerovo region – Kuzbass. The analysis and eval-uation of the published data were carried out in the study in order to identify management reserves based on the evaluation and analysis of the data obtained. The results obtained can contribute to improving the performance of mining enterprises in attracting qualified personnel and effective management of labor resources. The study shows that only a scientific approach to the application of the functions of management, evaluation and analysis of public management of human resources could be considered as a factor in the development of the mining industry, which requires research attention, since problems can be solved only on the basis of their identification. As such, we have identified an underestimation of the role and importance of a comprehensive analysis and assessment of the problems of public management of human resources in the mining industry. The study showed that the system of human resources management in the mining industry in order to assess and analyze them on the basis of an integrated approach requires the organization and implementation of research related to the identification of correlations of key elements of the management system. The problem of reducing number of trained specialists and the professionalism of personnel remains a well-known problem in the mining industry in the Kemerovo region.

The results of our research were discussed at annual scientific conferences devoted to topical issues of public administration development, including in the mining industry, with the involvement of officials of relevant structures of regional government bodies. In conclusion, it could be noted that the obtained intermediate scientific results of human resource management in the mining sector will significantly contribute to the timely introduction of modern and effective technologies into the practice of public administration.
Environmental aspects of the interaction of mining companies with the local community
Authors: Verchagina Irina , Kolechkina Irina , Grigashkina Svetlana
Published: October 2021

The paper presents the results of a study of the practice of regulating the environmental aspects of the activities of coal mining companies in the world and in Russia, as well as in the largest coal region - the Kemerovo region - Kuzbass. The documents of coal mining enterprises were studied, the main key requirements of the local community for mining companies were formulated, a comparison was made of the leading foreign and Russian coal companies in the field of interaction with the local community.
Sustainable Agricultural Development in the Coal Mining Region: Specific Characteristics and Conditions (a Case Study in the Kemerovo Region)
Authors: Lubkova Elmira , Shilova Anna , Kumaneeva Maria , Mischenko Vladimir
Published: October 2021

Agricultural development is an essential condition for the balanced socio-economic development of any region. The level of development in the agricultural sector impacts food security of the population in the given region, while the quality of agricultural output and the price level affects the standard and the quality of living of the population. The link between the level of agricultural development and socio-economic development of rural areas is important. On the one hand, well-developed agriculture preserves rural areas, contributes to job creation in rural areas and helps develop social rural infrastructure. On the other hand, human capacity of agriculture depends on the socio-economic development of rural areas. There are significant variations in agriculture among different regions. Industrial regions often have unfavourable conditions and factors for agricultural development, which is especially evident in mining areas with a specific demographic situation, unfavourable environmental conditions, low interest of business in the development of agriculture. This article uses a case study of the Kemerovo region–Kuzbass to analyze the peculiarities of agricultural development in the coal mining area. The article gives the basic indicators characterizing agricultural development, assesses the adverse limiting factors for agricultural development, assesses the implementation of agricultural functions in the industrial region and highlights the main prospects for agricultural development in the Kemerovo region–Kuzbass.
On the role of the concept of noospheric knowledge in the era of technoscience
Authors: Chernikova Irina , Chernikova Daria , Yazevich Mariya
Published: October 2021

The article examines the changes that characterize modern science and scientific research, which have been embodied in the phenomenon of technoscience. Technological science is distinguished from traditional science by a new form of cognitive organization, integrating fundamental and applied research, natural science and human knowledge. It is both a theoretical activity for the production of ideas and social practice. It is substantiated that technoscience, which is both a theoretical construct and a social practice, embodies the project of noospheric knowledge, about which the outstanding Russian scientist V.I. Vernadsky wrote. His teaching expressed the idea of a new science, and by characterizing it, he stressed that science can’t be considered only as a collection of facts and limited to its instrumental functions, he understood it as the most powerful and important spiritual movement, contributing to the formation of the noosphere - the sphere of reason. Scientific knowledge, which is formed in the consequence of integrative tendencies in modern science, manifested in the systemic and holistic scientific worldview, in transdisciplinary studies, in the convergence of natural science and humanities knowledge, is designated as technoscience. It is shown that the noospheric science of V.I. Vernadsky, based on the wise mind, which he foresaw as the coming stage of the natural historical process, can be compared with the phenomenon of technoscience.
Modernity imperatives impact on the Russian coal industry enterprises institutional environment
Authors: Bobrikov Valeriy , Ravochkin Nikita , Sedelnikova Elena , Gilyazov Rinat , Jamous Ammar
Published: October 2021

In recent years, there has been an increase in the influence of the imperatives of the modern world on the institutional environment of the national economy, which not only creates qualitatively new combinations of challenges, but also contributes to the emergence of multiple institutional gaps. The Russian coal industry is a representative example of an asymmetric institutional environment based on different technological paradigms. In the article, the authors analyze the inconsistencies of the institutional environment of the Russian coal industry with the requirements of the modern world and propose ways to overcome the revealed institutional gaps. The phenomenon of institutions is considered and their significance for the economic sphere is determined. The main institutions of the market economy are presented. The influence of the imperatives of our time on the institutional breaks of the coal industry is indicated. The importance of improving the quality of the institutional environment has been substantiated. The state of the institutional environment of the Russian coal industry is critically analyzed. The directions of corrections of the identified problem areas are proposed for the purpose of innovative development of the domestic coal industry. The mutual influence of formal and informal institutions was clarified. The importance of the innovative development of the Russian coal industry in conjunction with investments in human capital is determined. Finally, the main results of the study are summarized.
Functional outcome and health-related quality of life following ipsilateral femoral and acetabular fractures: a retrospective analysis
Authors: Hammad Abdullah Said , Rashed Ramy Ahmed , Abu-Sheasha Ghada , El-Bakoury Ahmed
Published: October 2021

Introduction: The combination of ipsilateral femoral and acetabular fractures is known in the literature as the “Floating hip injury”. The primary aim of this study is to assess both generic and specific patient-reported outcomes and the factors affecting the quality of life in patients sustaining this injury, while the secondary aim was to assess the injury patterns and the associated complications.Methods: A retrospective study including 27 patients according to specific inclusion and exclusion criteria. EQ5D5L and Oxford hip score (OHS) were used. The mean age was 28 years (±10.1SD) and 21 patients (77.8%) were males. The mean follow-up was 7 years (± 3.1 yearsSD).Results: Median OHS was 46.5 (IQR: 31.5–48). The median EQ5D score was 0.919 (95% CI: 0.601–1). The mean EQ5D index value was 0.679 ± 0.442 (95% CI: 0.492–0.865). In this young cohort of patients, this drop in the mean EQ5D index value has led to a loss of a mean of 2.2 Quality-adjusted Life Years (QALYs). Through multivariate analysis, we found that the quality of life was mainly affected by the occurrence of end-stage arthritis, the presence of non-recovered traumatic sciatic nerve injury, and the occurrence of infection.Conclusions: Our findings show that the quality of life of those patients was significantly affected. These findings can be beneficial in counselling patients sustaining this complex injury and could be helpful in the discussion of the prognosis and in planning postoperative rehabilitation and support.