bluuebunny/crossref_metadata_2025_split huggingface dataset:
Radon dosimetry - comparison of selected measurement methods
Authors: Matusiak Katarzyna , Oczkiewicz Daria 
Published: December 2024

Abstract

Introduction: Recently, the measurement of radon concentration has become one of the necessary procedures for implementation and execution in dosimetry. The aim of this study was to compare effectiveness, accuracy and ease of use of three selected radon measurement methods: one active and two passive.

Material and Methods: Lucas chambers (scintillation method), thermoluminescent detectors (TLD) and track detectors (CR-39) were used. Air measurements were performed for two different locations: Czeladz (C) and Krakow (K). The measuring devices were placed in the basements for a specified time (30 days) and, in case of active detectors, additional measurements were performed in the exposure-reading mode.

Results: For the Lucas chamber, single-day and seasonal measurements were done. For all detectors, results from the winter session (C: 657 ± 16 Bq/m3, K: 825 ± 17 Bq/m3), CR-39 (C: 138 ± 47 Bq/m3, K: 72 ± 35 Bq/m3) and TLD (C: 0.82 ± 0.04 mGy, K: 0.82 ± 0.08 mGy), autumn (C: Lucas chamber 1458 ± 19 Bg/m3, CR-39 430 ± 92 Bq/m3, TLD 0.21 ± 0.01 mGy) and spring (most readings at background level) were compared. Additionally, an attempt was made to convert the obtained radon concentrations into doses.

Conclusion: Lucas chambers, designed for measurements in the exposure-reading mode, can also be used in long-term measurements. Both track and thermoluminescent detectors can be used for long-term measurements. More than one method may be required to obtain accurate measurement information. The results of measurements conducted in the seasonal mode indicate that the implementation of protective procedures, such as systematic ventilation, can contribute to a significant reduction in high radon concentrations.
Sustainability and Public Management: Focusing on Leadership and on the Development of Competences
Authors: Daversa Michel Cleiton Andersson , Farias Ariadne 
Published: December 2024

Objective: The objective of this study was to investigate the competences associated to the practice of Sustainable Leadership in the city management, having the purpose of identifying pitfalls and proposing strategies for the development of competences that are aligned with the pillars of sustainability.

Theoretical Framework: The current research is grounded on Sachs’s (1993) pillars of sustainability, which integrate economic, social and environmental aspects, as well as on competence-based management and sustainable leadership. These theoretical bases guide the analysis and the development of competences associated to the exercise of sustainable leadership by city managers.

Method: This is an exploratory and qualitative study, containing semi-structured interviews that have been conducted with eleven city managers, as well as an analysis of institutional norms. The goal was to identify the current situation regarding competences, in order to assess how they are related to sustainability practices and to propose a strategy for the development of such competences.

Results and Discussion: The reports demonstrated a lack of competences associated to the practice of sustainable leadership in public city management, and the official documents confirm that there is a need for training that is focused on the development of these strategies, which are essential to promote collective well-being and sustainable practices at the local level.

Implications of the study: The study adds to the field when it proposes a practical strategy for training public leaders, influencing in the adoption of sustainable policies and practices. Academically, the study adds to the debate on public city management and sustainability.

Originality/Value: This study relates management competences to sustainability in the public sector, providing resources for the development of competences related to sustainable leadership as a key point for the improvement of administrative practices and for guidance on sustainable public policies.
Establishment of a Low-Cost Reinforced Concrete Prefabricated Family Housing Construction System
Authors: Villanueva Edwing Jesús Ticse , Aquise Guillermo Yorel Noriega , Rodríguez Fredy Nicolás Molina 
Published: December 2024

Objective: The objective of this study is to investigate the feasibility of an affordable and rapidly deployable prefabricated housing system adapted to urban contexts and emergency scenarios. The aim is to design an integrated system for the production, construction, and assembly of prefabricated reinforced concrete housing, offering accessible, efficient, and flexible housing solutions.

Theoretical Framework: The research is grounded in key concepts and theories such as prefabrication in construction, modularity, environmental sustainability, housing resilience, advanced concrete technology, and project management on-site, providing a solid basis for understanding its context.

Methodology: The study employs a comparative method, analyzing six representative housing units with built areas of 25.83 m², 33.39 m², 39.06 m², 42.21 m², 52.29 m², and 59.85 m². Data collection occurred in three stages: (1) search and review of experiences, (2) design and development of basic housing models, production, and assembly, (3) results analysis to evaluate technical and economic feasibility.

Results and Discussion: The results confirm the feasibility of designing six models of basic family housing that comply with Peruvian standards and are accessible to low-income families. A production process for prefabricated elements is proposed, adaptable to any location and operable with minimal equipment. Among the evaluated models, VUF 04 stands out for its lowest cost, estimated at $311.43 USD per square meter of built area.

Research Implications: The implications of this research are broad and significant, highlighting its potential to transform the design, production, and assembly of housing in urban and emergency contexts. By addressing multiple aspects, this study establishes a solid foundation for the implementation of sustainable, accessible, and efficient housing solutions.

Originality/Value: The originality of this study lies in its decentralized and simplified production approach, carried out on-site with minimal equipment. Its value resides in democratizing access to affordable, efficient, and sustainable housing, providing an alternative model to centralized systems and laying the groundwork for future research on accessible and resilient construction.
Identification of transcription factors associated with the disease-free survival of triple-negative breast cancer through weighted gene co-expression network analysis
Authors: Wang Huipo , Hao Ran , Liu Wei , Zhang Yi , Ma Shen , Lu Yiwei , Hu Jie , Qi Yixin 
Published: December 2024

Objective:
Triple-negative breast cancer (TNBC) is a subtype of breast cancer that has a worse prognosis than the other subtypes of breast cancer because of its high recurrence and metastasis rates. The objective of this study is to identify the regulatory factors that are associated with the disease-free survival (DFS) of TNBC and potential biomarkers for TNBC treatment.

Material and Methods:
We obtained the GSE97342 dataset from the Gene Expression Omnibus website and conducted weighted gene co-expression network analysis (WGCNA) to identify modules associated with the DFS of TNBC. Subsequently, biological functions of the modules were elucidated through Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses. Cross-checking with the Human Transcription Factor Database facilitated the selection of hub transcription factors through univariate Cox regression analysis of overlapping transcription factors. Utilizing bioinformatics analysis, we assessed the prognostic significance of these hub transcription factors, investigated their target genes, and explored their associations with tumor immune cells in TNBC. Finally, the expression levels of the hub transcription factors were validated by immunohistochemical staining, quantitative reverse transcription polymerase chain reaction (qRT-PCR), and Western blotting.

Results:
Through WGCNA analysis, we identified three modules correlated with DFS in TNBC. GO and KEGG analyses elucidated the biological functions of genes within these modules. Survival analysis pinpointed three hub transcription factors: Forkhead box D1 (FOXD1), aryl hydrocarbon receptor nuclear translocator 2 (ARNT2), and zinc finger protein 132 (ZNF132). The expression level of FOXD1 was negatively associated with the prognoses of patients with TNBC, whereas the other two genes were positively associated with the prognoses of patients with TNBC. Immunohistochemical staining, qRT-PCR, and Western blotting validated the expression levels of the hub transcription factors.

Conclusion:
We discovered three hub transcription factors (FOXD1, ARNT2, and ZNF132) that were correlated with the DFS of TNBC. These correlations suggested their potential as prognostic predictors for patients with TNBC.
Promotion of inflammatory response in mice with diabetes periodontitis: regulation of forkhead box protein M1 silencing to mediate activator protein-1 via reactive oxygen species production
Authors: Yang Yang , Ren Dongping , Peng Bibo , Huang Jialin , Yang Bingxue 
Published: December 2024

Objective:
Periodontitis, the sixth major complication of diabetes, has a mutually influential and mutually reinforcing relationship with diabetes. Forkhead box protein M1 (FOXM1) is essential for osteoclast differentiation, periodontitis, and diabetes. This study aims to investigate the potential action mechanisms and effects of FOXM1 on diabetes periodontitis.

Material and Methods:
A model of mice with diabetes periodontitis was created. The pathological damage of periodontal tissues in the mandibles of mice was assessed through hematoxylin–eosin staining. The expression of bone resorption-related, cell proliferation transcription, inflammatory, and oxidative stress-related factors in mice with diabetes periodontitis was analyzed through Western blot and quantitative reverse transcription polymerase chain reaction. Oxidative stress level was examined through enzyme-linked immunosorbent assay. Furthermore, plasmids with FOXM1 silencing were constructed using short hairpin RNA. The activity of activator protein-1 (AP-1) binding was measured via electrophoretic mobility shift assay. Reactive oxygen species (ROS) expression was detected using a dichlorodihydrofluorescein diacetate probe.

Results:
Treatment with the ROS inhibitor N-acetylcysteine ameliorated the degree of bone destruction, attenuated the inflammatory response, and mitigated oxidative stress in mice with diabetes periodontitis. Short hairpin-FOXM1 reduced the levels of FOXM1, increased the levels of C-Jun proto-oncogene and AP-1, enhanced AP-1 binding activity, and increased ROS production in the macrophage cells. sh-FOXM1 increased the mRNA and protein levels of tartrate-resistant acid phosphatase (TRAP), osteoclast-associated receptor (OSCAR), and nuclear factor-activated T-cell c1 (NFATc1). By contrast, JUN-small interfering RNA decreased the mRNA and protein expression of TRAP, OSCAR, and NFATc1. The silencing of FOXM1-regulated ROS production mediated AP-1 activation to promote macrophage osteoclast differentiation.

Conclusion:
FOXM1 plays a key role in diabetes periodontitis, and this study provides theoretical support for the clinical prevention and treatment of diabetes periodontitis in humans.
Challenges of biplane double-supported screw fixation technique for osteosynthesis of femoral neck fractures in the South Indian population
Authors: Middha Ish , Hegde Atmananda S. , Joseph Nitin , Mane Prajwal P. , Shetty Chethan B. , Rao Seetharama B. 
Published: December 2024

Objectives:
Controversy exists in the management of neck of femur fractures. Insufficient reduction, unstable fixation, and poor–quality osteoporotic bone result in complications. This study was conducted to evaluate the functional and radiological outcomes of femoral neck fractures managed by the biplane double-supported screw fixation (BDSF) technique in the South Indian population, which is predominantly short profile.

Methods:
A prospective study was conducted among subjects aged (18–60 years) with femoral neck fractures over 2 years. All participants underwent fixation with the BDSF technique. Patients were followed up regularly for 12 months postoperatively. Harris hip score and radiological assessment were assessed. Complications such as screw backout, implant failure, and avascular necrosis (AVN) were assessed during the follow-up.

Results:
Of the 60 patients, 43 (71.7%) were males and 17 (28.3%) females. The mean age was 44 ± 11.2 years. Pair-wise post hoc test was statistically significant (P < 0.001). Harris hip scores decreased with the patient’s age increasing. The radiological union was noted in 49 cases. Eleven (18%) cases had non-union. Seven (11%) had AVN of the femoral head, four (6%) had screw backout with varus collapse, and 3 had (5%) varus mal-reduction.

Conclusion:
The functional outcomes of femoral neck fractures managed by the biplane BDSF technique were excellent. This technique was a safe, viable, and cost-effective option for neck of femur fractures in old and young populations. Further comparative studies and randomized control trials would be beneficial in providing evidence.
НЕЧЕТКО-ЛОГИЧЕСКИЕ АЛГОРИТМЫ ДЕТЕКЦИИ КОНТУРОВ ОБЪЕКТОВ В ЗАДАЧЕ АВТОМАТИЗАЦИИ УПРАВЛЕНИЯ ПРИВОДАМИ МЕХАТРОННОГО КОМПЛЕКСА
Authors: БОБЫРЬ М В. , СИЗОВ А С. , АСЕЕВ А А. , БОБЫРЬ М М. 
Published: December 2024

В статье представлены два нечетко-логических метода детектирования границ объектов, основанные на определении углов направления градиента и срабатывания нечетких правил в зависимости от его значения в первом случае и на основе шестнадцати нечетких правил, формирующих зависимость отклонения разности градиента центрального пикселя относительно соседних в окне 3*3 во втором случае. В качестве объекта исследования выступали вычислительные процессы в нечетких алгоритмах детектирования объектов на пешеходных переходах г. Курска. Представлен сравнительный анализ нечетко-логических методов с традиционными моделями Собеля, Лапласиана, Прюитта, Роберста и Канни. Точность вычисления распознавания границ объектов оценивалась на основе коэффициента FoM.
Two fuzzy logic methods for detecting object edges based on determining the gradient direction angles and triggering fuzzy rules depending on its value in the first case and on sixteen fuzzy rules that form the dependence of the deviation of the gradient difference of the central pixel relative to neighboring ones in a 3x3 window in the second case are presented in the article. The object of the study was computational processes in fuzzy algorithms for detecting objects at pedestrian crossings in Kursk. A comparative analysis of fuzzy logic methods with traditional Sobel, Laplacian, Pruitt, Roberts and Canny models used to detect edges is presented. The accuracy of calculating the recognition of object edges was estimated based on the FoM coefficient.
РАЗРАБОТКА ПОРТАТИВНОГО МУЛЬТИМЕДИЙНОГО ПРОЕКТОРА С ФУНКЦИЕЙ POWERBANK
Authors: КОКОРЕВ Б С. , ГОРШКОВ Г С. , ТИХОМИРОВА П М. 
Published: December 2024

Научная статья посвящена разработке портативного мультимедийного проектора, оснащённого функцией Powerbank, который способен проецировать контент на расстояние до 3 метров и одновременно заряжать другие устройства. Основные задачи исследования включают подбор и сбор необходимых компонентов, разработку и моделирование в 3D эргономичного и функционального дизайна, а также настройку и калибровку работы проектора. Согласно прогнозам, мировой рынок портативных проекторов, оцениваемый в 22 миллиарда долларов США, будет расти на 5 % ежегодно. Предполагается, что новый продукт займёт 3-5 % российского рынка портативных проекторов, что обеспечит значительный экономический эффект. Успешная реализация проекта требует применение комплексного подхода, включающего инженерные и маркетинговые аспекты для эффективного выхода на рынок и достижения конкурентоспособности.
The research paper is devoted to the development of a portable multimedia projector equipped with a Powerbank function, which is capable ofprojecting content at a distance of up to 3 meters and simultaneously charging other devices. The main objectives of the study include the selection and assembly of the necessary components, the development and 3D modeling of an ergonomic and functional design, as well as the setup and calibration of the projector. According to forecasts, the global market for portable projectors, estimated at 22 billion US dollars, will grow by 5 % annually. It is assumed that the new product will occupy 3-5 % of the Russian market for portable projectors, which will provide a significant economic effect. Successful implementation of the project requires an integrated approach, including engineering and marketing aspects for effective market entry and competitiveness.
ЦИФРОВОЙ СОВЕТЧИК ПРОЦЕССА ФЛОТАЦИИ
Authors: КОРНЕЕВА В С. , СИЛАЕВ А А. , РЫБАНОВ А А. 
Published: December 2024

Сложность технологического процесса, необходимость сбора, структурирования и обработки большого объема данных привела к созданию цифрового советчика, который удовлетворяет предъявленным требованиям. В работе рассматриваются значимость системы, принцип работы, преимущества использования. Применение «помощника» при обогащении руды позволяет не только упростить задачу технологическому персоналу, сократить потребление реагента и электроэнергии, но повысить производительность готовой продукции, что выявлено по результатам опытно-промышленной эксплуатации на АО «Учалинский ГОК». Объектом исследования является цифровой советчик, который выдает рекомендации по улучшению процесса флотации на обогатительной фабрике. Целью научного исследования является определение влияния применения цифрового советчика в процессе флотации.
The complexity of the technological process, the need to collect, structure and process large amounts of data led to the creation of a digital advisor that meets the requirements. The work discusses the significance of the system, the principle of operation, and the advantages of use. The use of an "assistant" during ore enrichment allows not only to simplify the task for process personnel, reduce the consumption of reagents and electricity, but to increase the productivity of the finished product, which was revealed based on the results of pilot operation at JSC Uchalinsky GOK. The object of the study is a digital advisor that provides recommendations for improving the flotation process at a concentrator. The purpose of the scientific study is to determine the impact of using a digital advisor in the flotation process.
РАЗРАБОТКА МЕТОДОЛОГИИ ИДЕНТИФИКАЦИИ И МОДЕЛИРОВАНИЕ ДИНАМИЧЕСКИХ СИСТЕМ НА ОСНОВЕ НЕЙРОННЫХ СЕТЕЙ В СРЕДЕ MATLAB
Authors: ТЕМЕРБЕКОВА Б М. , МАМАНАЗАРОВ У Б.У. , БЕКИМБЕТОВ Б М. 
Published: December 2024

Целью данного исследования является разработка методологии идентификации и моделирования динамических систем с применением нейронных сетей в MATLAB. В рамках работы была разработана и обучена нейронная сеть для точного предсказания откликов системы. Методология включает нормализацию данных, обучение модели, прогнозирование и идентификацию передаточной функции. Полученные результаты демонстрируют высокую точность модели: среднеквадратичная ошибка (MSE) составила 0.021182, а коэффициент детерминации (R2) достиг 0.99939. Идентифицированная передаточная функция системы также продемонстрировала высокую степень соответствия с данными, подтверждая её адекватность для моделирования динамических процессов. Методология доказала свою эффективность и может быть использована в различных технических и промышленных приложениях для улучшения систем управления.
The purpose of this study is to develop a methodology for identification and modeling of dynamic systems using neural networks in MATLAB. As part of the work, a neural network has been developed and trained to accurately predict the responses of the system. The methodology includes data normalization, model training, prediction and transfer function identification. The results obtained demonstrate the high accuracy of the model: the mean square error (MSE) was 0.021182 and the coefficient of determination (R2) reached 0.99939. The identified transfer function of the system also showed a high degree of agreement with the data, confirming its adequacy for modeling dynamic processes. The methodology proved to be effective and can be used in various technical and industrial applications to improve control systems
О порядке рассмотрения сообщений о преступлениях
Authors: Овсянников И.В. 
Published: December 2024

Рассматриваются особенности законодательной регламентации порядка рассмотрения сообщений о преступлениях и правоприменительной практики в свете назначения уголовного судопроизводства и процессуального принципа обеспечения права на защиту. Автор считает необходимым обратиться к прежнему отечественному опыту регламентации досудебного производства, предусматривавшему незамедлительное начало расследования после получения сообщения о преступлении, и формулирует предложения по совершенствованию уголовно-процессуального закона.
The features of the legislative regulation of the procedure for considering reports of crimes and law enforcement practice in the light of the appointment of criminal proceedings and the procedural principle of ensuring the right to defense are considered. The author considers it necessary to refer to the previous domestic experience in the regulation of pre-trial proceedings, which provided for the immediate start of an investigation after receiving a report of a crime, and formulates proposals for improving the criminal procedure law.
Проблемы реализации компетенции субъектами поощрения (на примере органов публичной власти)
Authors: Волкова В.В. , Примак Я.С. 
Published: December 2024

В статье затрагивается вопрос качественной реализации мер дисциплинарного воздействия в сфере административного управления на примере использования установленных полномочий по отношению к служащим посредством применения к ним поощрительных мер. Основная цель исследования — показать, что представляет собой современная модуляция поощрительной логики государственных служащих, каковы важнейшие принципы, положенные в основу ее реализации при организации вопросов публичного управления, а также каковы проблемы современной поощрительной практики в указанной сфере. В процессе исследования авторы опираются на методы анализа фактической составляющей публичного управления, а также логического осмысления работы его институтов. В результате исследования авторы приходят к выводу, что проблемы применения мер поощрительного характера связаны со слабым вниманием к ним законодателя, а также доктринальной неподкрепленностью тех выводов, которые ложатся в основу проводимых законодательных преобразований, направленных на использование государственными органами и служащими своей служебной компетенции в вопросах поощрения.
The article touches upon the issue of high-quality implementation of disciplinary measures in the field of administrative management on the example of the use of established powers in relation to employees by applying incentive measures to them. The main goal of the study is to show what the modern modulation of the incentive logic of civil servants is, what are the most important principles underlying its implementation in organizing public administration issues, and also what are the problems of modern incentive practice in this area. In the process of research, the authors rely on methods of analyzing the actual component of public administration, as well as logical comprehension of the work of its institutions. As a result of the study, the authors come to the conclusion that the problems of applying incentive measures are associated with the weak attention of the legislator to them, as well as the doctrinal lack of substantiation of those conclusions that form the basis of the ongoing legislative reforms aimed at the use by state bodies and employees of their official competence in matters of encouraging.