bluuebunny/crossref_metadata_2025_split huggingface dataset:
Experimental study of processing sweet cherries with ultraviolet radiation
Authors: Saparov D E , Sultonova S A , Pulatov M M , Boltaboyev K K 
Published: September 2023

Abstract
The paper considers an experimental study of processing sweet cherries with ultraviolet radiation. Ultraviolet irradiation is an alternative to chemical sterilization used to reduce the growth of microorganisms in foods. Ultraviolet radiation further induces defense mechanisms in metabolically active plant tissues, in the same way that ultraviolet treatment has been observed to cause accumulation of polyamines, which can act as antioxidants in fruit, causing a reduction in microorganism spoilage symptoms.
Results of a field experiment of a potato planter with a disc planting machine
Authors: Duskulov A A , Makhmudov Kh S 
Published: September 2023

Abstract
The article describes the device and the technological process of operation of a potato planter equipped with a disk planter designed for use in low-contour areas. The results of experimental studies to determine the quality indicators of its work in the field are also presented. The authors propose a potato planter which is simple in design and compact, less metal-intensive, easy to manufacture, has the ability to use it both in small-circuit and relatively large areas, which ensures resource saving and efficiency in the technological process of planting potatoes.
Parameters of the main working part of the universal device of dry fruit bites
Authors: Khurramov Akbar , Abdurayimov Sobir , Kuzibekov Nurmukhammad , Mullajonov Islom , Kholiqov Nodir , Sherali Khalilov 
Published: September 2023

Abstract
In the article, based on our development of a universal oil extraction device and the need to apply it for use in the Armed Forces and the people’s food industry, the diameter of the gear shafts, which are the main working part of the device, is the number of rotations, based on the diameter of its ribs, in order for us to correctly select the material of its most convenient lightning-tooth shafts, it is possible to find that the experiments were carried out on the Lightning-tooth shafts made of three different types of materials, as well as the result of which, with the help of empirical expressions, we can find that the, at the same time it was mentioned that in rubber and wood surface tooth shafts, the degree of damage and bite duration of the shafts was lower than in steel surface tooth shaft, and because of the resistance of steel surfaces to friction coefficient, the Lightning tooth shafts were found to have a higher useful working coefficient.
Mathematical modelling of the process of drying rosehips
Authors: Raxmanova T T , Mambetsheripova A A , Safarov J E , Sultanova Sh A 
Published: September 2023

Abstract
The article analyzes the process of drying rose hips found in the mountainous regions of Uzbekistan. Since rose hips are considered one of the main medicines, it is important to dry them while retaining their antioxidant properties. The blanching technology was applied in a convective dryer for drying while maintaining the antioxidant properties of the object. In the blanching process, a solution of ordinary water and citric acid was used. 1 and 1.5% solution of citric acid were picked up. Rosehips were dried until 16% moisture remained. Laboratory analyses was carried out on dried rose hips. The free radical diphenylpicrylhydrazyl was used to determine the antioxidant properties of the samples. In a laboratory study the antioxidant properties of dried rose hips blanched in a 1.5% citric acid solution remained at a high level. This revealed 190 µl of rose hips, 155 µl of its seeds, 185 µl of its water extract and 195 µl of its alcoholic extract. A mathematical model of a sample with a high level of antioxidant activity in rose hips has been developed.
Microwave processing of stone fruits before juice extraction
Authors: Eshpulatov Nodir , Khalmuradov Tolib , Rakhimov Farrukh , Khurramov Akbar , Khushboqov Botir , Makhsuda Amanova 
Published: September 2023

Abstract
This article explores the possibility of using microwave processing technology to improve the process of extracting juice from stone fruits. The authors conducted experiments to determine the optimal microwave processing parameters, such as power, processing time and frequency, for each of the considered fruits. The effects of fruit temperature, humidity and initial sugar content on processing efficiency were also studied. The obtained results showed that the treatment with microwave energy before extracting the juice helps to increase the yield of juice and reduce the content of solid residues in the juice. The process of extracting juice from stone fruits can be improved through the use of microwave processing technology, which is an effective method. This is of practical importance for juice producers and consumers, who can receive a better and healthier product. The article also discusses the parameters of microwave processing, such as the power and time of exposure to waves, as well as the temperature of the raw material. Proper selection of processing parameters allows you to achieve the best results in terms of yield and quality of juice. In general, the use of microwave processing of stone fruits before juice extraction is an effective way to increase the yield and improve the quality of the juice. Choosing the right processing parameters is crucial to achieve the best results, as it is necessary to take into account the characteristics of each type of fruit.
Theoretical study and mathematical calculations of the pumpkin drying process
Authors: Ponasenko A S , Saparov D E , Sultonova S A , Samandarov D I , Azimov A T 
Published: September 2023

Abstract
The study describes the mathematical calculation of the pumpkin drying process. In order to check the data obtained for different temperatures in the experiment (45, 55 and 65 °C) and to choose the most appropriate model, comparisons were made with different drying models. For this purpose 5 different experimental and theoretical drying models were used, which are widely used in drying processes (Lewis, Henderson and Pabis, two terms, Wang and Singh, Midilli). Statistical calculations were carried out using the Comsol Multiphysics program.
Theoretical foundations of electropulse impact on plant objects
Authors: Eshpulatov Nodir , Khalmuradov Tolib , Akabirov Lazizjon , Toshmamatov Nurmirza , Shoykulov Bakhtiyor , Samieva Zumrad 
Published: September 2023

Abstract
This article considers the theoretical foundations of the electropulse effect on plant objects. The influence of the energy absorbed by a living system on the degree of damage to plant cells and tissues is studied. It has been established that the impact of many damaging factors accompanying a high-voltage electrical impulse determines the degree of damage to plant tissue. The authors propose to consider the process of electrical processing from the standpoint of the law of conservation of energy and accept the initial conditions that describe the properties of a plant object. However, the research results do not allow theoretically assessing the dependence of the coefficients included in the formulas on all the parameters that determine their values.
The study of the stability of the movement of the frontal working bodies of the combined aggregate for sowing seeds of re-crops, depending on the depth of tillage
Authors: Sh Primkulov B , Alimova F A , Boboniyozov E A , Khudayorov M T 
Published: September 2023

Abstract
The article discusses data on a theoretical study of the stability of the bodies for strip tillage working process, depending on the processing depth change of energy-saving combined aggregate for re-crops seeds sowing. At the same time, a differential equation was compiled that describes the change in the working depth of tillage by the frontal working bodies of the aggregate. In this case, a differential equation was obtained adequately describing the determination of the working depth of tillage by unit developed bodies. Based on the equation, the change in the amplitude of the tillage depth dependences by the unit working bodies section and the pressure spring stiffness were studied.
Research of the deformation state of the base of low-pressure hydraulic structures
Authors: Paluanov D T 
Published: September 2023

Abstract
This article discusses the results of field research to determine the deformation of the base of a low-pressure hydraulic structure that has been in operation for a long time. On the basis of geodetic measurements, a longitudinal profile of the settlement of the body of the structure was constructed, which ensures the safety of the foundation of the structure. A technique for carrying out field studies is presented, which makes it possible to control the deformation of the base in low-pressure hydraulic structures.
The results of implemented researches on substantiation the parameters of the disc plougher
Authors: Tukhtakuziev A , Ishmurodov Sh 
Published: September 2023

AbstractProcessing the soil by tilling is considered to be most power-consuming actions. Therefore at present it is important to manufacture plows with power (energy) and resources-saving as well as high productivity. On the basis of above the disc plougher was worked out and its parameters were researched. Based on the results of implemented researches in effort for the disc plougher to process the soil (lands tillage) in the appropriate manner at working velocity of 6-8 km/h and in terms when the less power (energy) is consumed; its operating elements should be set at an angle at range 35-40° to the direction of movement, and in the range of 15-18° to vertical, the transverse distance between them should be in range of 28-32 cm.
Method of calculation of the flow motion model in water intake facilities
Authors: Arifjanov A M , Sattorov A X , Atakulov D , Iminov I X 
Published: September 2023

AbstractOne of the urgent problems of our time is the uneven distribution of the flow velocity in the forebay of the intake structure, which leads to the destruction of the flow structure due to the water level, the amount of turbidity in the water, the size of the fraction and the change in speed. As a result, turbidity can be observed in the forebay and water intake units, an increase in hydraulic resistance in the suction network, a decrease in pump fluid loss, the formation of cavitation and the destruction of internal parts. In the article, the forebay of an irrigation pumping station and in the intake section, a mathematical model of the dynamics of water distribution over the velocity field, longitudinal and transverse distribution based on the shape of the forebay was created and numerous results were obtained. Taking into account the above, according to the identified Lax scheme, the Eyler differential equation of flow motion was numerically solved, and the calculation of the longitudinal and transverse velocity distributions in the forebay and water intake was carried out by setting the boundary conditions for the state of the flow.
Digital transformation in agriculture: reducing food production waste
Authors: Wu Y , Wen R 
Published: September 2023

Abstract
The article covers the issue of food waste, its impact on the environment and food security, as well as the key tasks for sustainable development of the agrarian sector. The authors propose the use of digital transformation and innovative automated methods to address these challenges. The application of digital solutions in agriculture and the focus on precision agriculture technologies, which include information systems and analytics, are discussed. The sources of food loss, their causes, and the possibilities of waste reduction through digital technologies are analyzed. In conclusion, the authors emphasize the growing awareness of the food waste problem and its consequences, as well as the importance of researching and implementing digital technologies to address such issues. Successful application of these technologies supports sustainable practices, reduces costs for farmers, and increases overall efficiency.
Digitization of the UAV flight task for processing fields in precision agriculture
Authors: Kovalev I V , Losev V V , Saramud M V , Kovalev D I , Shaporova Z E , Podoplelova V A , Borovinsky D V 
Published: September 2023

Abstract
The article discusses an approach aimed at the development of algorithmic support for unmanned aerial vehicles. This is due to the construction of a flight task based on the optimality criterion for solving the problem of processing fields in precision farming. The shortest path criterion is used in the implementation of the UAV flight plan with a complex trajectory and frequent course changes. Dijkstra’s algorithm is considered as an algorithm that implements this criterion. The article provides an example of calculating a segment of a network of objects, notes the simplicity of the calculations of the algorithm. Suggestions on the use of this algorithm in the construction of a flight task are given.
Charcoal adsorbents for glycerin purification
Authors: Salikhanova Dilnoza S , Savrieva Dilafruz D , Karabaeva Muslima I , Sagdullaeva Dilafruz S , Ubaydullayeva Navruza N , Usmanova Zulfiya T 
Published: September 2023

Abstract
The article is devoted to the research of the chemical composition of coals. The main goal of the research is to choose the method of its enrichment. The authors established that after the enrichment of coal, the ash content sharply decreased due to the washing off of its inorganic part. The process of coal enrichment, at a ratio of 1:2 (coal: water) has a positive effect on reducing the ash content by 1.3 times. Based on the data obtained, it was found out that the enrichment process in the coal production adsorbents is necessary to reduce their ash content. Based on the research a technological scheme for obtaining a carbon adsorbent and solutions for their regeneration were proposed.
Analysis of the rationality of using a natural resource in the form of wood biomass
Authors: Zyryanov Mikhail , Medvedev Sergei , Stupak Pavel , Khvostov Alexey 
Published: September 2023

Abstract
The paper presents an analysis of the rationality of using a natural resource in the form of wood biomass. An assessment was made of the volumes of their formation and disposal in the process of logging operations in the period from 2019 to 2021 based on the data on the formation, processing, disposal, neutralization, disposal of production and consumption wastes provided by the Federal Service for Supervision of Natural Resources. The inefficiency of the modern approach to the issue of using a natural resource in the form of wood at the harvesting stage is substantiated based on the assessment of the volumes of formation and disposal of waste from individual parts of wood biomass. To achieve this goal statistical analysis was chosen as the main research method. The results obtained in the course of the work are necessary for the formation of a development strategy for both individual logging and wood processing enterprises, and the entire timber industry complex. Research of the type, characteristics and volume of the wood resource not used in the main production will allow rationally forming the technological chains of logging and wood processing works, the park of equipment and machines for the enterprises of the timber industry complex.
Current actual issues of gold meniralization of the Central Kyzylkum
Authors: Karabaev Mamatxon , Amirov Elmurod , Moyliyev Ma’ruf , Togaev Isomiddin , Akmalov Shamshodbek , Ibragimova Z 
Published: September 2023

AbstractAs a result of the analysis of the data available and collected in recent years, in contrast to the well-established ideas about the polygenic and poly-stage nature of the mineralization, it is indicated that the gold mineralization of the Central Kyzyl Kum is formed as a result of the formation of a single ore-magmatic system, which develops in the same type regardless of the composition and age of the host rocks; during the formation of deposits, the most important thing is the presence of a process that promoted ore formation, which should serve as the basis for judgements in problems of the genesis and forecasting of industrial facilities. Some problematic issues on the geology of ore deposits are noted.
Floristic composition of meadow vegetation of floodplain meadows of the Bolshoy Kinel River
Authors: Kh Nechaeva E , Ermakova N A , Stepanova Yu V , Goryanin O I , Revyakina K A 
Published: September 2023

Abstract
The paper presents the results of geobotanical studies aimed at inventorying the vegetation cover of the floodplain meadows of the Bolshoy Kinel River. The vegetation of the coastal areas of small rivers of the Middle Volga region is poorly studied so it was important to trace the change in the floristic composition of the area under the influence of environmental and anthropogenic factors. A scientific base for the subsequent assessment of the level of synanthropization and degradation of meadow communities in vegetation cover of the studied territories was developed.
Installation of “green” roofs in the framework of tourism development in specially protected natural areas
Authors: Subbotin Artem , Ilyushin Ilya , Zhuravlev Georgy , Koroleva Valeria 
Published: September 2023

Abstract
In the modern world, tourism and its effective development allows more than fifty branches of the economy to improve. This improves the quality of life in the country, which leads to an increase in the need for new facilities in the tourism industry. However, with the growth of the construction industry, there is a significant decrease in clean air in the atmosphere and the total area of “green” zones. Even in this situation, there is still a great need for land plots, which leads to the rational construction of infrastructure facilities in specially protected natural areas (protected areas) through the introduction of environmentally friendly technologies, mainly due to “green” roofs. The article discusses the main stages of the development of the construction of “green” roofs in the territories of protected areas for tourism, describes the main schemes of their creation and analyzes the profitability of selected technologies.
Submersible rotor disc mixers
Authors: Laponov Sergey , Erushonkov Alexander 
Published: September 2023

Abstract
The article presents the most common varieties of low-volume rotary disc mixers. The features of their design are described, the main advantages and disadvantages are identified. A description of a new design of a submersible rotor-disk mixer is given. It is shown that a mixer of this type can be used to create high-quality emulsions and maintain them. The mixer can be installed in overall tanks and in the reactor.
Genetic structure and gene flow in Myocastor coypus (Rodentia: Echimyidae) populations inhabiting a highly modified agroecosystem of the Pampas region
Authors: Ibañez Ezequiel Alejandro , Guichón María Laura , Peralta Diego Matías , Cassini Marcelo Hernán , Túnez Juan Ignacio 
Published: September 2023

Abstract
Assessing the genetic diversity and gene flow among populations in combination with ecological data provides valuable insight into the spatial use and genetic structure of wildlife. Anthropic impact generates landscape changes that threaten species by favouring their isolation in small patches and limiting their connectivity. However, in some cases, it can increase genetic exchange among wild populations. Here, we used a set of 16 microsatellites to study the genetic diversity, population genetic structure, and historical and current gene flow of coypu (Myocastor coypus) populations, a semi-aquatic rodent that inhabits watercourses of the highly anthropized agroecosystems of the Pampas region. Our results showed moderate to high levels of genetic diversity and revealed the existence of genetic structure among populations. Bayesian analysis showed different patterns of genetic structure among and within sampling sites. Also, the patterns of historical gene flow differed from that seen today. These results, together with previous studies, suggest that anthropic pressure, habitat fragmentation and ephemeral landscapes in a highly modified ecosystem could alter the dispersal patterns of coypus in their native range, which would otherwise be different in an environment with low anthropic impact. The results provide new information that could be used in effective conservation programmes.
Comparative richness patterns of range sizes and life forms of Apocynaceae along forest–savanna transitions in Brazil
Authors: de Deus Vidal João , Schmitt Christine B , Koch Ingrid 
Published: September 2023

Abstract
Brazilian moist forests and savannas are some of the most species-rich biomes in the Neotropics. In the transition zones between these regions, ecotones often accumulate even higher taxonomic diversity. However, whether these ecotonal communities consist of overlapping species widespread from the neighbouring biomes or a specific set of locally adapted species still needs to be clarified. Regional differences in species richness may be influenced by factors such as species' environmental tolerances, life forms, or species’ range sizes. To investigate the species richness found in ecotones, we used the ‘milk-weed’ family (Apocynaceae), which comprises both widespread and narrowly distributed trees, lianas, and shrubs, as a model to evaluate if (i) their observed richness in ecotones is promoted by widespread species or by locally adapted species; (ii) trees, lianas, and shrubs show different richness patterns in savannas, ecotones, and forests; and (iii) species found in ecotones have broader environmental tolerances than other species in the family. We used a taxonomically curated georeferenced dataset to compare the range sizes of 643 species of Apocynaceae from 73 genera listed for Brazil, comprising 298 species with a liana life form and 345 trees, herbs, or shrubs. We recorded 335 predominantly forest species, 56 savanna species, and 152 ecotone species, for which we quantified species richness, areas of occurrence, precipitation, and temperature ranges and tested for differences in range sizes and environmental tolerances between habits and ecoregions. Our results indicate that (i) Apocynaceae species occurring in ecotones have wider geographical ranges than species not occurring in ecotones; (ii) lianas showed higher area-weighted richness in ecotones than other life forms; and (iii) species found in ecotones had broader environmental tolerances than species restricted to moist forests or savannas. These results indicate that the species richness found in ecotones between savannas and moist forests in Brazil is not necessarily a consequence of higher endemism and local adaptation but may also be a result of overlapping ranges of widespread species typically associated with neighbouring biomes. Together, our findings add to our understanding of ecotones and biomes as continuous, gradual biogeographical transitions instead of sharply defined ecological units.