Highest Number Of Points Research Articles

An Integral Assessment of Patient’s Condition in Postpartum Women with Critic Obstetric Complications

Introduction. Septic complications after critical obstetric conditions (COC) are a pressing problem in obstetrics. The aim of the study is to conduct an integral assessment of the severity of postpartum women with septic complications after COC.Materials and methods. We examined 39 postpartum women after COC (massive obstetric hemorrhage, severe preeclampsia). All patients were divided into 2 groups: the main group (n = 18) — with associated septic complications, the comparison group (n = 21) — without septic complications. The average age of the subjects was (29.80±6.48) years.Results. Obstetric bleeding was complicated by hemorrhagic shock in more than 75 % of patients in both groups. Premature detachment of a normally located placenta (PDNLP) was statistically significantly more often recorded in the main group (p = 0.04). All patients underwent total hysterectomy during childbirth or in the early postpartum period. Multiple organ failure syndrome (MODS) occurred in all women of the main group and in 17/21 (80.95 %) in the comparison group (p = 0.05). When assessing the condition of maternity hospitals using integral scales, a higher number of points were noted in the main group on the APACHE II scale (p = 0.02), SOFA (p = 0.001), NEWS2 (p < 0.001). In the main group, septic complications developed on the 9 [4; 9] day after delivery.Conclusion. Risk factors for septic complications after COC are: MODS, renal failure, acute kidney injury, heart failure, respiratory distress syndrome, pneumonia. Maternity hospitals at risk of septic complications after COC initially show an increase in the number of points according to APACHE II, SOFA, NEWS2.

Evaluation of the health-related quality of life in dogs following intracranial meningioma resection using a specifically developed questionnaire.

As advanced treatments are becoming increasingly feasible in veterinary medicine, the evaluation of the health-related quality of life (HRQOL) of treated animals is becoming more relevant. We evaluated owner-perceived HRQOL of 10 dogs that underwent craniotomy for meningioma resection between 2002 and 2022 at our institution through telephone interview. For this purpose, we developed a disease-specific questionnaire containing 52 items (mostly of scoring nature) patterned after previously validated instruments and organised into eight domains. Approval by the Human Ethical Committee and respondents' consent were obtained. We analysed the scores for all domains and dogs. The effect of different variables on the HRQOL score was determined via log-rank test and Pearson correlation. Scores for all included dogs (range, 0-235 points) were totaled, with a higher number of points indicating a better HRQOL. The dogs included in this study yielded a mean score of 200.6 points (range, 176-227 points), implying a good overall quality of life. There were no significant associations between individual parameters and outcomes. Our questionnaire represents a structured tool for the specific evaluation of postoperative HRQOL in dogs with meningioma, placing a minimal burden on respondents. Few instruments have been developed to assess animal welfare in a disease-specific context. Implementing these tools, however, is essential to accurately evaluate not only the impact of treatments on biologic parameters, but also their implications on patient welfare. Thus, treatment plans may consider HRQOL for a more comprehensive clinical decision-making process.

The experience of using the author’s therapeutic and diagnostic apparatus in the clinic

When examining patients in clinical dental practice, especially in cases of total occlusion reconstruction, the most important thing is to diagnose the condition of human masticatory muscles, in particular, to determine their bioelectric activity and contraction strength. The accuracy of the diagnosis depends on the correctness of the diagnosis and subsequent treatment. After analyzing the diagnostic devices used to study the condition of human masticatory muscles, we found out that today there are no those that can provide comprehensive diagnostic procedures. Therefore, we have developed an authors device that can be used for gnathodynamometry and electromyography of human masticatory muscles, as well as training with BOS therapy. In this work, a large-scale study of diagnostic devices was conducted, followed by a survey of 100 relatively healthy volunteers aged 1835 years. The effectiveness of diagnostic devices was determined clinically and statistically. According to the results of the study, the following data were obtained: the highest number of points was scored by the "EMG-BOS AND GDM-BOS, EMG AND GDM APPARATUS" developed by us 85.83 points. The adaptive electromyograph "Synapsis" scored less 82.24 points, and the electronic gnathodynamometer "Vizir-E1000" (Russia) only 79.47 points.

DEVELOPMENT OF A PLATFORM TO TEST THE SOLAR PHOTOCELL UNDER THE INFLUENCE OF INCLINATION, TEMPERATURE AND HUMIDITY: USE OF EMBEDDED SYSTEMS

This work presents the development of an experimental platform of the solar photocell under the influence of inclination, humidity temperature with the use of embedded systems. This system consists of 8 resistive loads with different values each connected to an NPN type transistor coupled to an instrumentation chain. A digital control programmed by an ATmega electronic board allows the automation of the variations of the resistive load fed by a solar panel of 19V 5 W of power. A computer program developed on the basis of an algorithm according to the defined operation, drives the Arduino electronic board. The movement of the sun during the day leads to the consideration of angle of incidence. During experiments this fundamental parameter is set electronically for automatic acquisition with the parameters: of the solar panel temperature, ambient temperature and humidity in the environment. The automatic variation of the resistive load with the combinations of the 8 electrical resistors to obtain 256 measurements in a few milliseconds. This speed of measurement makes possible the assumption of constant sunshine during the characterization, with a high number of points, of current-voltage curves of the photovoltaic solar cell with good precision.

Classification of Large-Scale Mobile Laser Scanning Data in Urban Area with LightGBM

Automatic point cloud classification (PCC) is a challenging task in large-scale urban point clouds due to the heterogeneous density of points, the high number of points and the incomplete set of objects. Although recent PCC studies rely on automatic feature extraction through deep learning (DL), there is still a gap for traditional machine learning (ML) models with hand-crafted features, particularly after emerging gradient boosting machine (GBM) methods. In this study, we are using the traditional ML framework for the problem of PCC in large-scale datasets following the steps of neighborhood definition, multi-scale feature extraction, and classification. Different from others, our framework takes advantage of the fast feature calculation with multi-scale radius neighborhood and a recent state-of-the-art GBM classifier, LightGBM. We tested our framework using three mobile urban datasets, Paris–Rau–Madame, Paris–Rue–Cassette and Toronto3D. According to the results, our framework outperforms traditional machine learning models and competes with DL-based methods.

THE IMPORTANCE OF THE PROGNOSTIC SCORE FOR THE CHOICE OF CHIVA HEMODYNAMIC SURGERY AS A TREATMENT METHOD FOR VARICOSE VEINS OF THE LOWER EXTREMITIES.

The aim: To work out the predictive system that can help to determine the group of patients to whom the hemodynamic surgery of varicose disease, CHIVA, is beneficial. Materials and methods: Results of examination and treatment of 58 patients of the main group who underwent hemodynamic surgery and 65 patients of the comparison group who underwent stripping. Patients of both groups were evaluated in the preoperative period using an evaluation scale, and divided into three subgroups depending on the scores: 5- 8, 9 - 11, and 12 - 15 points. Results: The best treatment results with the lowest number of relapses were obtained in the subgroup of patients with low scores on the prognostic scale (5-8 points) after hemodynamic treatment and in the subgroup of patients with a high the number of points (12 -15 points) after the classic stripping (p < 0.05). The same subgroups received more improvement in the quality of life of patients according to CIVIQ 20 (p < 0.001). The subgroup of patients with a high number of points (12 -15 points) after the stripping received significantly more reduction in scores VCSS (p < 0,01). Conclusions: Comprehensive assessment of factors such as the anamnestic duration of the disease, the diameter of the great saphenous vein, the presence of skin complications, dilated varicose collaterals and previous surgical treatment using a prognostic preoperative assessment score allows the surgeon to be more clearly guided in choosing the optimal method of treatment for each patient and achieve the best treatment results.

Esthetic assessment of the ornamental forms of northern white cedar (Thuja occidentalis L.) and their use in garden and park compositions

Northern white cedar (Thuja occidentalis L.) is represented in the world by about 200 ornamental forms, 43 of which were discovered and described in landscaping and nurseries of Lviv. The first plantations in Lviv date back to the 1920s. They were introduced by the professor at the Medical Institute T. Vilchynskyi, who brought material for cuttings from a nursery in Kurnik (Poland). The decorative qualities of these cultivars were determined on the basis of characteristic features and evaluated in points: the shape and density of the crown, the color of the needles, the nature of branching, and the features of seed-bearing. These decorative qualities formed the basis for the construction of various elements of garden and park compositions with the participation of tapeworms, alleys, green walls, hedges, boskets, topiaries, and rock gardens. The highest number of points (12) was obtained by 46.4% of ornamental forms, 11 - 16.3%, 10 - 9.3%, and 8 -11.6%. Cultivars with a distinct regular crown shape received high evaluation points. The options for the spatial arrangement of individuals were proposed and the distance between seating positions was recommended. Taking into account the high plasticity of cultivars and the ability to form crowns, variants of clipped hedges and topiaries were recommended. Several models have been proposed based on the distribution of ornamental plant groups based on their symmetry, silhouettes, alignments, contrasts, colors, density, and sizes. Cultivars were selected for each variant, and their group arrangement was proposed.

Thermal Conductivity of Low-GWP Refrigerants Modeling with Multi-Object Optimization

In this paper, the procedure of finding the coefficients of an equation to describe the thermal conductivity of refrigerants low in global warming potential (GWP) is transformed into a multi-objective optimization problem by constructing a multi-objective mathematical model based on the Pareto approach. For the first time, the NSGAII algorithm was used to describe a thermophysical property such as thermal conductivity. The algorithm was applied to improve the performance of existing equations. Two objective functions were optimized by using the NSGAII algorithm. The average absolute relative deviation was minimized, while the coefficient of determination was maximized. After the minimization process, the optimal solution located on the Pareto frontier was chosen through a comparative analysis between ten selection methods available in the literature. The procedure generated a new set of coefficients of the studied equation that decreased its average absolute relative deviation by 0.24%, resulting in better performance over the entire database and for fluids with a high number of points. Finally, the system model was compared with existing literature models to evaluate its suitability for predicting the thermal conductivity of low-GWP refrigerants.

The effect of mid-season coach turnover on running match performance and match outcome in professional soccer players

The aim of this research was to examine the physical match performance and match outcome before and after coach turnover in professional soccer teams compared with a control group containing coaches working continuously for 3 consecutive seasons. Analysed data included 325 performances of teams led by dismissed coaches (DC), 313 of teams led by new coaches (NC), and 580 of teams led by unchanged coaches (UnC). Variables, such as average number of collected points, total distance (TD), total distance per minute (TD/min), high-speed running (HSR), sprinting and number of high-intensity runs (NHIR), were analysed in the last 15 games of DC and 15 matches of NC. These periods were divided into 3 blocks out of 5 matches (5-match blocks). NC collected a significantly higher number of points than DC (p = 0.015), whereas average points collected by UNC were significantly greater than DC (p < 0.001 and NC (p = 0.012). TD and TD/min for DC were significantly lower (p < 0.001) compared with both NC and UnC, whereas significant differences in HSR (p = 0.003) and NHIR (p = 0.03) were identified between DC and NC. The current study reported that mid-season coach turnover may result in short-term improvement in team results and physical match performance. However, this effect disappears after a period of approximately 5 games.

Conservation and study of the generic complex Chrysanthemum L. in the Southern Ural

Chrysanthemum × hortorum is the most well-known blossoming late flower, which is oftenly used for home landscaping and city gardening. The aim of the study was a comprehensive assessment of varieties of chrysanthemum from the collection of the South-Ural Botanical Garden of Ufa, taking into account the directions of use. At the first stage of analysis, decorative and economically valuable signs were assessed. As a result of the analysis of the decorative qualities of 112 varieties of chrysanthemum, ten were identified, which have a high decorative effect of the bush, a weak aroma and are characterized by abundant flowering; they are rated 49–50 points. 84 varieties are rated 40–48 points, they have less abundant flowering and a stronger aroma. According to economically valuable traits, the highest number of points (48-49) was awarded to 4 varieties. As a result of the comprehensive assessment, 106 varieties were classified as highly promising, they scored more than 80 points; six varieties are promising, they are estimated at 60–80 points. At the second stage of the analysis, when determining a promising direction of use, it was revealed that most varieties (88) can be recommended for garden use and 25 for container crops.

3D tools for building and infrastructures inspection from thermal UAS data: first steps

Thermal imaging has been widely used for the inspection of human-made and natural scenarios, from electrical installations and advanced machinery to buildings. Regarding buildings, it can be used to assess problems concerning heat, airflows, and water. Hence, thermography has been increasingly applied to the energy efficiency of new and old buildings. Some examples of applications are the detection of heating and cooling losses, moisture sources, missing insulation, floor heating failures, and the evaluation of building restorations. However, the main drawback of thermal imagery is its reduced resolution, e.g., 640 × 512, which is significantly lower than RGB imagery. In the case of buildings, cameras or thermal sensors mounted on UAS (Unmanned Aerial System) offer a wider range of possibilities by acquiring areas not accessible by other surveying methods. This paper presents a tool that allows building dense 3D thermal point clouds applied to conserving buildings and infrastructures inspection. Also, the aim of this work is to provide a visualization solution of the generated point clouds, thus allowing a human operator to analyze building defects. Accordingly, the rendering is improved by taking advantage of modern Graphical Processing Unit (GPU) capabilities, while also considering the occlusion for the accurate assignment of thermal information to the point cloud. Due to the high response time of the procedure, the complete pipeline is accelerated using GPU programming. Finally, our method is proven to generate point clouds with a higher number of points and density than notable commercial solutions, while also lowering the response time.

The use of the strain Enterococcus faecium in the technology of yogurt “Carpathian” as an ancillary culture with probiotic properties

The results of research on the technological features of the production of yogurt "Carpathian" are covered in the article. The bacterial preparation of Chr. Hansen series YoFlex Premium 1.0 (L. bulgaricus, S. thermophilus) and Creamy 1.0 (L. bulgaricus, S. thermophilus, L. rhamnosus) and strain E. faecium SB 18, which is isolated from traditional Carpathian fermented products were used to produce research yogurt samples. It was found that when the strains were used together, the microorganisms were compatible, did not show interspecific antagonism and did not inhibit the enzymatic process. Based on yogurt microorganisms and E. faecium SB 18 strain, seven prototypes of yogurt were created: № 1 (100 %) – control, Premium + Creamy; № 2 (100 %) – control, pure culture of E. faecium SB 18; №3 (100:100 %) – control, (Premium + Creamy) + E. faecium SB 18; №4 (50:50 %) – (Premium + Creamy) + Ent. faecium SB 18; № 5 (70:30 %) – (Premium + Creamy) + Ent. faecium SB 18; № 6 (80:20 %) – (Premium + Creamy) + Ent. faecium SB 18; № 7 (90:10 %) – (Premium + Creamy) + Ent. faecium SB 18. The fastest fermentation took place in sample № 1 (pH 4.78 units – 4 h), the slowest in sample №2 (pH 4.81 units – 6 h), where only pure culture of E. faecium SB 18 was used. The fermentation time in sample №3 was initially slower and then more active (pH 4.77 units – 4 h). The acidity increased more moderately in samples № 4, 5, 6, 7 for 4 h, and at the end of fermentation was 4.84 units, 4.76 units, 4.81 units. and 4.75 units. in accordance. According to organoleptic evaluation, the experimental samples were characterized by slight differences. In general, it is noted that the addition of microbial culture of E. faecium SB 18 improves the taste of yogurt. Samples № 6 and № 7 with the addition of E. faecium SB 18 strain in the amount of 20 and 10 % were noted for the best organoleptic properties. According to the score scale, the above-mentioned samples received the highest number of points – 48, out of a possible 50. The dependence of the acidity of yogurt during storage was established on the dose and composition of the bacterial preparation. It was investigated that the acidity of yogurt, which contained an additional strain of E. faecium SB 18 in the ratios of 100:100 (sample 3) and 50:50 (sample 4), tends to increase rapidly in acidity, which is associated with increased lactic acid bacteria. It was found that partial replacement of the amount of traditional yogurt leaven in the ratio of 70:30 (sample 5), 80:20 (sample 6) and 90:10 (sample 7) provides the optimal course of the enzymatic process during fermentation and storage. It was found that the use of traditional yogurt leaven YoFlex Premium 1.0 and Creamy 1.0. together with strain E. faecium SB 18 in a ratio of 80:20, provides excellent consumer properties of the product.

Design and FEM strength analysis of an innovative design of a front loader with an extension dedicated to the KUBOTA M5

Most of the front loaders are compact structures that do not allow loading at greater heights. On the Polish and foreign market, there was a need to develop a front loader design that would allow to increase the loading height. As a result, the front loader was designed a front loader with the possibility of extending the arms for the Kubota M5 agricultural tractor. The system enables unloading and loading of cubes, straw and hay bales on higher piles. Before starting the design process, the available front loader solutions were analyzed and on this basis, three concepts of design solutions were proposed. These concepts were scored on the basis of the adopted criteria and the one with the highest number of points was selected. For the selected concept, strength analytical calculations and verification calculations using the FEM method were performed. The developed loader is innovative compared to other available designs and has a good chance of implementation.

Preparation and evaluation of novel functional fermented dairy products containing propolis and cinnamon

Novel functional food products might be an easy accessible and eligible approach to help reduce the risk of severe viral infections including SARS-CoV-2. Hence a product containing probiotics, propolis and cinnamon was developed and interferences of the ingredients were characterized. Yogurts were prepared using starter cultures with propolis (0.03%) and cinnamon in various concentrations (0.3%, 1%, and 2.5%). Bifidobacterium animalis ssp. lactis, Lactobacillus acidophilus, Streptococcus thermophilus, and Lactobacillus delbrueckii subsp. bulgaricus were used as microorganisms for yogurt production. Chemical analysis revealed a decline of fat matter in the presence of propolis and/or cinnamon. Propolis had statistically significant suppressive effects on Bifidobacterium animalis ssp. lactis as well as on Lactobacillus delbrueckii subsp. bulgaricus numbers (p < 0.05). These effects were diminished in the presence of increasing cinnamon concentrations. For Lactobacillus acidophilus a statistically significant reducing effect on the number of colonies was observed in all products investigated. Nevertheless all samples met the standard of recommended level of ≥ 106 viable cells/g of a product. Propolis showed an inverse effect on Streptococcus thermophilus by increasing its colony numbers in yogurts. The probiotic yogurt samples containing propolis (0.03%) and cinnamon (2.5%) gained the highest number of points in the sensory evaluation compared to control.

Evaluation of porosity in 3D printed trabecular bone structures for prostheses

Hip prostheses require an external porous area in order to fix them by means of osseointegration. Different structures can be printed in order to favour bone fixation, such as octet-truss or trabecular, among others. In the present paper, bone-like structures are printed in cubic shapes, by means of fused filament fabrication (FFF). Three design parameters of the structures were varied: the number of joining points per unit volume, the area scale and the offset that is given to the different struts of the structure. Both the theoretical and the measured porosity of the samples is evaluated, from the drawing of the structures and by means of weight measurements respectively. As expected, the structures having fewer union points per unit volume are more porous than the structures having more points. When low number of points generating struts of the structure were employed, measured porosity is lower than the theoretical one, while when high number of points is considered, the opposite situation is found. The present work will help to obtain porous structures to be used in prostheses, by means of extrusion 3D printing processes.

Formal differentiated approach to managing women with stress urinary incontinence

ABSTRACT &#x0D; The object of research: treatment of women with stress urinary incontinence (SUI).&#x0D; Investigated problem: substantiation of the choice of treatment methods in the management of women of different ages with SUI depending on the urogynecological status, age, financial capabilities, risk of complications and speed of achieving the desired result.&#x0D; The main scientific results: An approach has been developed to substantiate the most rational method of treatment of women of different ages with SUI, taking into account the provision of an adequate standard of living. It is based on the use of hierarchy analysis, which allows to determine the priorities between competing treatments - mid-urethral sling (MUS), pelvic floor muscle training (PFMT) and containment (absorbent pads). The expediency of applying a formal differentiated approach is confirmed by the results of questionnaires of representative groups of women on the technology of UDI-6 and IIQ-7 questionnaires before and after treatment. It is recommended to choose a rational method of treatment or a set of treatment methods personally depending on the urogynecological status, age, financial capabilities, risk of complications and speed of achieving the desired result. MUS has gained the highest number of points due to the short time of treatment and rehabilitation, long-term postoperative effect, accessibility, low level of complications and significant improvement of life quality in young and elderly women. The most rational method of treatment of middle-aged patients with SUI is the method of PFMT as one that has a positive impact on the life quality of women and does not require financial costs.&#x0D; The area of practical use of the research results: medical institutions providing urogynecological care to women.&#x0D; Innovative technological product: development of a formal differentiated approach to the management of women with SUI, which allows to choose the most rational method of treatment taking into account the life quality.&#x0D; Scope of the innovative technological product: clinical practice of treatment of women with SUI.

Оценка сортов хризантемы садовой коллекции ЮУБСИ УФИЦ РАН с учетом направления использования

Abstract. Chrysanthemum × hortorum Bailey is a perennial plant of the Compositae family. Perhaps the most famous and demanded late-flowering culture, which is used both for landscaping the private sector and in the green construction of settlements. However, its use in the soil and climatic conditions of the Bashkir Ural is difficult due to the lack of varieties adapted to local conditions and a reasonable assortment. The aim of the study was a comprehensive assessment of varieties of chrysanthemum from the collection of the South-Ural Botanical Garden of Ufa, taking into account the directions of use. Methods. In accordance with the methodology of E. S. Pidgainaya and other authors plants went through two stages of analysis: at the first stage, the most decorative and stable varieties were identified; on the second, the perspective direction of use of each of them was determined. At the first stage, decorative (decorativeness of a bush, leaves, inflorescences; aroma; variety uniformity; abundance of flowering) and economically valuable (productivity and flowering duration; drought resistance; winter hardiness; resistance to adverse conditions, diseases and pests; intensity of vegetative reproduction) signs were assessed. Results. As a result of the analysis of the decorative qualities of 112 varieties of chrysanthemum, ten were identified (Aktanysh, Anyuta, Belosnezhka, Vecherniye Ogni, Opal, Pektoral, Rozovaya Mechta, Solnechnaya Feyeriya, Solnyshko, Ufimskaya Yubileynaya), which have a high decorative effect of the bush, a weak aroma and are characterized by abundant flowering; they are rated 49–50 points. 84 varieties are rated 40–48 points, they have less abundant flowering and a stronger aroma. According to economically valuable traits, the highest number of points (48–49) was awarded to 4 varieties (Aktanysh, Nezhnaya Muza, Akiwa Yellow, Kurochka Ryaba). The lowest total score (34) belongs to the variety Golden Dukat. As a result of the comprehensive assessment, 106 varieties were classified as highly promising, they scored more than 80 points; six varieties are promising, they are estimated at 60–80 points. Scientific novelty. At the second stage of the analysis, when determining a promising direction of use, it was revealed that most varieties (88) can be recommended for garden use and 25 for container crops.

REPRODUCING QUALITIES OF SOWS OF DIFFERENT FAMILIES OF LARGE WHITE AND POLTAVA MEAT BREEDS IN THE TRIBAL HERDS OF PIGS OF KHMELNYCHINA

Goal. To assess the reproductive ability of inspected sows of different families of large white and Poltava meat breeds in breeding herds of Khmelnytsky region on the main selection signs using the evaluation indices of reproductive qualities. Methods. Comparison, zootechnical and biometric analyzes. Results. The reproductive qualities of sows of different families in breeding herds of pigs of large white and Poltava meat breeds of farms of Khmelnytsky region were evaluated. Among the families of large white breed, the best indicators for assessing the reproductive capacity of inspected sows were found in the family of the Sorceress, in which the main feature – fertility by modal class of distribution was 10.8 heads piglets per 1 farrowing, which is 2.8% more than the Taiga family of the same class. According to the modal class M+, the fertility of the Sorceress family (12.0 piglets per farrowing) was 0.3 heads higher than that of the females of this class of the Taiga family (11.7 heads per farrowing). The modal class М¯ of the firstborn family of the Sorceress was the best with a fertility of 9.7 heads, which is 3.2% higher than the Taiga family. Indicators of the number of piglets at weaning at the age of 30 days, the weight of the nest at weaning, the live weight of 1 head of piglets and preservation of offspring (9.5 heads; 94.1 kg; 9.9 kg; 87.9%), by class (М°), the Sorceress family was 3.2 heads bigger; 7.4 kg; 2.0 kg and 0.5% compared to the Taiga family. As a result of ranking sows by evaluation indices of reproductive qualities, I (evaluation index by a limited number of traits) and P (complex evaluation index) had an advantage by the most prolific sows of the Sorceress family of class M+, in which these indices were 43.0 and 96.1 points. In the process of research of reproductive ability of sows of Poltava meat breed of different families it was established that on the basis of fertility the Rosinka family is the best, whose fertility by distribution by class (М°) was 10.7 heads. piglets per 1 farrowing. It exceeds the average value for 5 families: 0.4 heads of Dorza and Vorskla families, 0.6 goals. Bystro's family and 1 goal. the Palm family. According to the modal class M+, the Rosinka family (11.8 piglets per 1 farrowing) has 0.3 heads more fertility than the Dorza and Vorskla families, 0.6 goals higher. and 0.1 heads than the Bistra and Palma families. The lowest fertility of sows in the class (М°) was recorded in the Dorza family (8.9 heads of piglets per farrowing). It should be noted that the Dorza family and the smallest Palma family in the M+ class have the best nest weight at weaning at the age of 45 days (138.7 and 144.2 kg), which is 18.6 more than in the М° class. and 20.7 kg. According to the indicators of the number of piglets at weaning and live weight of 1 head, the Palma's family of class M+ (10.6 heads and 13.6 kg) is distinguished. The best preservation of the offspring in the Palma's family of class M¯ = 94.7%. As a result of ranking sows of different families of Poltava meat breed according to the estimated indices of reproductive qualities, it was noted that the highest number of points in the modal class (М°) was obtained by the family Rosinka I = 40.8 and P = 94.8, which is more than the average for all families by 2.1 and 3.6 points. According to the evaluation indices (I) and (P), the best were sows of the Rosinka family of class M+, in which these indices corresponded to the values of 42.7 and 99.4 points.&#x0D; Conclusions. Among different families, the best results of assessing the reproductive capacity of sows on the main selection traits and evaluation indices were found in the families of the Sorceress of the Great White breed and the family of Rosinka of the Poltava meat breed, which should continue to be used for breeding in breeding herds of pigs. An important factor in increasing the productivity of sows, of course, should be the correct selection of the level of reproductive breeding traits and a significant increase in feeding and housing conditions.

Exact sampling of determinantal point processes without eigendecomposition

AbstractDeterminantal point processes (DPPs) enable the modeling of repulsion: they provide diverse sets of points. The repulsion is encoded in a kernelKthat can be seen, in a discrete setting, as a matrix storing the similarity between points. The main exact algorithm to sample DPPs uses the spectral decomposition ofK, a computation that becomes costly when dealing with a high number of points. Here we present an alternative exact algorithm to sample in discrete spaces that avoids the eigenvalues and the eigenvectors computation. The method used here is innovative, and numerical experiments show competitive results with respect to the initial algorithm.

EXAMINATION OF MOBILE COMMUNICATION SERVICE PROVIDERS IN LATVIA

The development of telecommunications plays an essential role in the economy, as it affects the opportunities for communication between economic actors at both the national and global levels. Today mobile communication companies, which provide quality communication and information retrieval opportunities through the variety of their services, technological features and tariff plans, are important telecommunication providers. The aim of the present research is to examine the leading mobile communication service providers in Latvia by employing the theoretical findings of communication technology and telecommunications.The research used the following methods: monographic, induction and deduction, graphic, comparison, as well as competitiveness assessment based on the competitiveness index.The research described the theoretical aspects of telecommunications, examined the leading mobile communication service providers in Latvia, their most important financial performance indicators, services and tariff plans offered as well as assessed their competitiveness.Examining the mobile tariff plans and the services included therein, it was found that they were quite similar. However, an examination of each offer in more detail revealed that there were many nuances that were important to the client and that should be paid attention to.After assessing the competitiveness of the leading mobile communication providers, it was concluded that Latvijas Mobilas Telefons scored the highest number of points, Bite Latvija was in second place and Tele 2 took third place. An assessment of the key factors of competitiveness for the providers revealed that the company Latvijas Mobilais Telefons needed to improve the positions where its competitors had higher ratings: its discount system, the prices of services and the supply of services.