bluuebunny/crossref_metadata_2025_split huggingface dataset:
УЛУЧШЕНИЕ ВОСПЛАМЕНЯЕМОСТИ И РЕАКЦИОННОЙ СПОСОБНОСТИ БОРА ЗА СЧЕТ МОДИФИКАЦИИ ПОВЕРХНОСТИ
Authors: LIU  J. , WANG  D. Q. , ZHANG  Z , LI  F. S. 
Published: February 2025

Бор является одним из наиболее ценных компонентов ракетного топлива. Однако высокая температура кипения оксида бора (B2O3) на его поверхности (1 860 °C) затрудняет контакт между активным бором и окислителем в ходе процессов горения и воспламенения. В результате энергия воспламенения бора оказывается выше, а скорость горения — ниже. Для повышения эффективности воспламенения, а также реакционной способности бора его поверхность была модифицирована путем очистки растворителем, наращивания поверхности, а также изготовления его композита с алюминием, имеющим высокую температуру кипения. Композитные частицы, состоящие из бора, очищенного при помощи этанола, и толстых хлопьев алюминия, обозначаемые EB/TF-Al, продемонстрировали наилучшую реакционную способность, на 96.6 % большую в сравнении с композитными частицами, состоящими из чистого бора и толстых хлопьев алюминия (RB/TF-Al). Композитные частицы, состоящие из бора с наращенной поверхностью и толстых хлопьев алюминия (KHB-3/TF-Al), имеют минимальную энергию воспламенения, на 29.1 % ниже в сравнении с чистым бором. Поскольку модификация поверхности бора приводит к улучшению воспламеняемости, а также к увеличению его реакционной способности, ожидается, что такой подход позволит улучшить характеристики ракетного топлива на основе бора.
Boron is one of the most valuable fuels for rocket propellants. However, the boron oxide (B2O3) on the B surface has a high boiling point (1860 °C), which hinders the contact between the internal active B and the oxidation component during the ignition and combustion process. As a result, the ignition energy of B is higher and the combustion reaction rate is lower. In order to improve the ignition performance and reaction rate of B, a surface modification of B by means of surface purification by a solvent, surface grafting, and making a composite with aluminum (Al), which has a high combustion temperature, has been prepared. Composite particles of B purified by ethanol and thick flake Al (TF-Al), denoted by EB/TF-Al, have the fastest reaction rate higher by 96.6% than that of raw B and TF-Al composite particles (RB/TF-Al). Surface grafting of B with TF-Al composite particles (KHB-3/TF-Al) ensure the minimum ignition energy, which is 29.1% lower than that of raw B. As the ignition performance and reaction rate of B are improved by means of surface modification, the performance of B-based rocket propellants is expected to be improved.
РАВНОВЕСНЫЙ СОСТАВ ПРОДУКТОВ В РЕАКЦИОННОЙ СИСТЕМЕ ДИОКСИД ГАФНИЯ – КАЛЬЦИЙ – АЗОТ – УГЛЕРОД ПРИ АДИАБАТИЧЕСКОЙ ТЕМПЕРАТУРЕ ГОРЕНИЯ
Authors: АВРАМЧИК А.Н. , БРАВЕРМАН Б.Ш. 
Published: February 2025

Представлены результаты термодинамического расчета адиабатической температуры и равновесного состава продуктов восстановления HfO2 кальцием в зависимости от содержания углерода и кальция при различном давлении. В расчетах задавалась возможность формирования твердых растворов HfN—HfC, образование которых отожествлялось с образованием карбонитрида гафния. Показано, что значения адиабатической температуры находятся в диапазоне 2 000 ÷ 2 900 К, и ее повышение ограничено плавлением CaO при 2 900 К. Введение углерода, как правило, понижает адиабатическую температуру, а рост давления приводит к её росту. Выявлена связь между составом продуктов и видом температурных кривых. Основной причиной роста адиабатической температуры с ростом давления, является смещение равновесий в сторону образования конденсированных фаз и увеличение доли HfN в продуктах.
This paper presents the results of thermodynamic calculation of adiabatic temperature and the equilibrium composition of products of HfO2 reduction with calcium depending on carbon and calcium content at different pressures. The calculations are based on the possibility that solid HfN–HfC solutions could be formed, and their formation is identified with that of hafnium carbonitride. It is shown that adiabatic temperatures lie in a range of 2000–2900 K, and its elevation is limited by the melting of CaO at 2900 K. The introduction of carbon often reduces the adiabatic temperature, and a pressure rise leads to its increase. A connection is revealed between the composition of products and the type of temperature curves. The main reason why adiabatic temperature rises along with pressure is a displacement of equilibrium toward the formation of condensed phases and an increase in the HfN proportion in the products.
САМОРАСПРОСТРАНЯЮЩИЙСЯ ВЫСОКОТЕМПЕРАТУРНЫЙ СИНТЕЗ В ДВУХСЛОЙНЫХ ПОРОШКОВЫХ СМЕСЯХ (NI + AL)/(PBO2 + B + AL2O3 + СТЕКЛО)
Authors: ШУЛЬПЕКОВ  А. М. , ГАББАСОВ  Р. М. , ЛЕПАКОВА  О. К. , АФАНАСЬЕВ  Н. И. 
Published: February 2025

Широкое распространение плоских электронагревателей в технике и бытовых приборах требует поиска более простых и дешевых технологий их получения. В данной работе предложен способ получения электропроводящего покрытия (NiAl) и электроизоляционного слоя (стеклокерамика) в одну стадию — методом самораспространяющегося высокотемпературного синтеза (СВС) в термически сопряженной порошковой системе (Ni + Al)/(PbO2 + B + Al2O3 + стекло). Исследован процесс распространения фронта волны горения, изучено влияние толщины слоев, соотношения компонентов в порошковой смеси PbO2+ B + Al2O3 + стекло на скорость распространения и температуру фронта волны горения. Обнаружено расширение фронта волны экзотермического процесса при добавлении смеси PbO2+ B в нижний слой. Добавление этой смеси позволяет снизить толщину слоя NiAl и обеспечить формирование однородного диэлектрического покрытия. Изучены фазовый состав и микроструктура покрытия. Установлены оптимальные соотношения толщин слоев и состава порошковой смеси слоев. Показана принципиальная возможность формирования электропроводящего и диэлектрического покрытия методом самораспространяющегося высокотемпературного синтеза в одну стадию.
The widespread use of flat electric heaters in technology and household appliances requires the search for simpler and cheaper technologies for their production. This work proposes a method for producing an electrically conductive coating (NiAl) and an electrically insulating layer (glass ceramics) in one stage – by the method of self-propagating high-temperature synthesis (SHS) in a thermally conjugated powder system (Ni + Al)/(PbO2 + B + Al2O3 + glass). The process of propagation of the combustion wave front has been studied, the influence of layer thickness, the ratio of components in the powder mixture PbO2+ B + Al2O3 + glass on the propagation speed and temperature of the wave front has been studied. combustion. An expansion of the wave front of the exothermic process was discovered when a mixture of PbO2 + B was added to the lower layer. The addition of this mixture makes it possible to reduce the thickness of the NiAl layer and ensure the formation of a uniform dielectric coating. The phase composition and microstructure of the coating were studied. The optimal ratios of layer thicknesses and the composition of the powder mixture of layers have been established. The fundamental possibility of forming an electrically conductive and dielectric coating by the method of self-propagating high-temperature synthesis in one stage is shown.
GUIA-INTERPRETAÇÃO E SEUS ATRAVESSAMENTOS
Authors: Regina Conrad Lourenço Katia , Caroline Alves Vasconcelos Stephanie , Oliveira Dias Jonathas 
Published: February 2025

A guia-interpretação se faz presente de maneira fundamental na vida e no cotidiano de pessoas surdocegas, usuárias deste serviço e que, cada vez mais, adentram espaços formadores e instâncias de poder promotoras do debate de ideias como, por exemplo, as universidades, os eventos científicos e de conferência, por conta das políticas públicas em conjunto com ações de acessibilidade e inclusão. Logo, a participação destes indivíduos, nos leva a refletir sobre o trabalho dos guias-intérpretes na promoção do acesso nestes cenários e quais questões permeiam o oferecimento desse serviço. A partir da metodologia da pesquisa narrativa, de natureza expo-post-facto, esta investigação parte das experiências narradas de nove profissionais que atuaram diretamente com pessoas surdocegas em um congresso científico. Sendo assim, os objetivos deste estudo são: 1) entender os processos que envolvem o trabalho dos guias-intérpretes; 2) compreender quais desafios permeiam estas etapas; 3) resgatar as estratégias utilizadas para o atendimento dos congressistas surdocegos; 4) refletir os aprendizados que este cenário possibilitou para os profissionais. Os resultados apontam para as reflexões emergentes dos participantes no que diz respeito ao seu papel profissional, ao impacto do trabalho em equipe, a tarefa das instituições no oferecimento do serviço e, por último, evidenciar subsídios para novas práticas formativas e atitudinais que valorizem e aprimorem o trabalho da guia-interpretação e o seu respectivo público-alvo.
A ENTREVISTA NARRATIVA DE FRITZ SCHÜTZE COMO PERCURSO METODOLÓGICO
Authors: De Barros Munari Keith 
Published: February 2025

Este escrito consiste numa contribuição metodológica para o campo das investigações qualitativas em educação trazendo um recorte de uma pesquisa de doutoramento, defendida em 2020, que utilizou o método preconizado pelo sociólogo alemão Fritz Schütze da Entrevista Narrativa (EN). A pesquisa buscou ampliar compreensões acerca dos movimentos da profissionalização docente, num recorte temporal de trinta anos (1989-2019), sobretudo de fatores que permeiam a permanência na profissão e para tanto, questionou como a profissionalização docente estava sendo percebida frente às trajetórias profissionais. O referencial teórico esteve pautado em achados que discutem profissionalização, formação e profissão docentes. A pesquisa contou com narrativas de quatro professoras formadoras que, ao compartilharem suas trajetórias trouxeram à tona percepções que permitiram inferências acerca do estar na profissão. Como resultado, o corpus analítico, construído por meio das narrativas, permitiu reflexões sobre fatores que tentam explicar a profissão docente, valendo ressaltar que a permanência na profissão se encontrava ancorada principalmente no aprimoramento profissional, uma vez que, as participantes buscavam pelo cumprimento do compromisso que assumiram com a educação ao escolherem a profissão docente, o que nos permitiu traçar inferências que vão ao encontro da ideia de que o movimento de profissionalização tem sido um processo de construção contínua e ininterrupta. Objetivamos com este escrito, apresentar o panorama teórico da metodologia adotada na pesquisa elucidando a sistematização e aplicabilidade da EN, servindo de guia para futuros pesquisadores que intentam trabalhar com interpretações de narrativas, sobretudo quando discutem temas atrelados à formação de professores.
Pelatihan pengukuran antropometri berbasis video untuk peningkatan presisi dan akurasi kader di Kota Nganjuk
Authors: Paramita Farah , Humairo Mika Vernicia , Katmawanti Septa , Romadlona Nohan Arum , Nastiti Aqila Pakerti , Dewi Putri Nurika 
Published: February 2025

Pengukuran antropometri yang berkualitas sangat penting untuk penilaian gizi pada anak. Di Indonesia, pengukuran antropometri anak dilakukan oleh kader yang disebut posyandu sebagai pemantauan tumbuh kembang anak. Namun ditemukan kesalahan pengukuran terutama pada pengukuran panjang atau tinggi badan anak sehingga mempengaruhi presisi dan keakuratan data. Hal ini akan menimbulkan salah tafsir terhadap status gizi anak. Pendidikan dan pelatihan bagi kader yang menggunakan media penting untuk meningkatkan pengetahuan dan keterampilan terkait pengukuran antropometri. Tujuan pengabdian ini adalah untuk mengetahui pengaruh pelatihan pengukuran antropometri menggunakan video terhadap tingkat presisi dan akurasi kader. Pengabdian ini diawali dengan pembukaan sekaligus pemberian pre-test kepada 20 kader posyandu dan juga bidan desa, kemudian dilanjut dengan simulasi praktik pengukuran antropometri pertama (sebelum diberikan sosialisasi). Selanjutnya sosialisasi terkait pengukuran antropometri pada anak dan diakhiri dengan simulasi praktik pengukuran antropometri kedua (setelah diberikan sosialisasi) dan post test. Pengolahan hasil pengabdian pre dan post test menggunakan Uji Mc Nemar. Hasil pre dan post test dalam pengabdian menunjukkan tidak terdapat pengaruh yang signifikan (p>0,05) tingkat presisi (p=0.344) dan akurasi (p=1.000) kader sebelum dan setelah intervensi dalam pengukuran tinggi badan. Tidak terdapat pengaruh yang signifikan (p>0,05) tingkat presisi (p=0.500) kader sebelum dan setelah intervensi, tetapi terdapat pengaruh signifikan (p>0,05) tingkat akurasi (p=0.000) kader sebelum dan setelah intervensi dalam pengukuran berat badan.
The dominant confessional space in Finland: a comprehensive characteristic
Authors: Balabeikina O.  A. , Afanasyev D.  A. 
Published: February 2025

Aim. Is to present a comprehensive characterisation of the Evangelical Lutheran Church of Finland (ELCF), which is the dominant confessional space of the country. One of the semantic emphases is the territorial differentiation of indicators reflecting structural changes in the religious organisation under consideration at the present stage.Procedure and methods. The empirical data were collected on the official website of the ELCF, which, being a state structure, obligatorily records and publishes them in the public domain. The obtained quantitative data were processed with the help of calculation tools, traditional for regional-confessional studies. The main methods used were cartographic, descriptive, and mathematical and statistical. In order to identify the degree of regional differentiation of the changes that the dominant of the confessional space of Finland has undergone in recent decades, the calculation of the Ryabtsev index was used (it allows us to estimate the deviation of the ratios of the fixed actual set of components of the two structures from the maximum possible amount of discrepancy). On the basis of the quantitative data obtained, conclusions have been drawn about the nature of significant changes within the dominant character of the contemporary confessional space in Finland. The statistical material, which has not been previously involved in research on confessional topics, is generalised.Results. The indicators of the negative dynamics of the number of parishioners of the Evangelical Lutheran Church of Finland in recent decades are reflected. A decrease in the degree of activity of their religiously conditioned behavior is confirmed. The territorial differentiation in the degree of manifestation of the activity of the majority religious organization is revealed.Research implications. For the first time, the approbation of the institutional-territorial approach to confessional research in relation to the dominant religious space of Finland was presented. The results obtained can be used in practice in the development of a strategy for religiousstate relations at the national and regional levels. Especially taking into account the recorded decrease in confidence in the majority religious organization of Russia - the Russian Orthodox Church.
Fortified Maize Tortilla: from the traditional Mesoamerican diet to functional food
Authors: Rojo Gutiérrez Edwin , López Martínez Leticia Xochitl , Tirado Gallegos Juan Manuel , Buenrostro-Figueroa José Juan , García Galindo Hugo Sergio , Baeza Jiménez Ramiro 
Published: February 2025

Maize is an ancient crop whose domestication dates from six to ten thousand years ago in southwestern Mexico. It is one of the most important crops, with a global production volume of 1, 217 billion tons during the 2021 – 2022 cycle.In Mexico, maize has economic and commercial importance, and its uses are ancestral and versatile to obtain a wide variety of products, including oil, popcorn, syrup, corn, tamales, atole, and the most recognized tortillas. Tortilla is one of the main staple foods in our diet, with a consumption of up to 75 kg/per capita per year, contributing with 38.8 and 49.1 % of protein and calcium, respectively, and 45.2 % of the dailycalorie intake. Due to its high consumption, it is an excellentvehicle for the development of innovative products by theaddition of functional ingredients that increase the nutritionalquality (for instance, mineral or vitamin deficiencies) ofour diet and confer benefits to consumer’s health, being ofparticular interest the so-called underutilised species such as ayocote beans and quelites. The review aims to explore fortifying maize products (tortillas), with underutilised ingredients to enhance nutrition, address deficiencies, promote health benefits, and agricultural diversification.
Real-Time Inversion of Formation Drillability and Concurrent Speedup Strategies for Microdrilling Time Optimization
Authors: Yang Huohai , Li Zhirong , Gao Lin , Zhang Jichuan , Chen Xin , Zhang Li , Li Renze , Wang Zhichao 
Published: February 2025

Summary
As the complexity of oil drilling engineering grows, real-time optimization of drilling parameters to improve efficiency and lower costs becomes an important task. In this research, we propose a novel combination of categorical boosting (CatBoost) and genetic algorithm (GA) for real-time optimization of synchronous drilling parameters with intelligent inversion of formation drillability. The intricate causal relationship between drilling parameters and drilling time is made clear by introducing the Peter-Clark (PC) causal discovery algorithm. A drilling time prediction model is then built using this information, comparing the performance of five supervised learning models across five performance metrics. Subsequently, an intelligent inversion model was designed utilizing GA to accurately anticipate formation drillability and dynamically alter drilling parameters. In field experiments on two wells, the approach greatly increased drilling efficiency. The CatBoost model performed well through 10-fold cross-validation, with determination coefficients (R²) of 0.986 and 0.990, and effectively inverted the formation drillability that cannot be directly obtained in real time (usually calculated from logging data after drilling a well) and reduced the drilling time by about 5% and 8%, respectively, after optimization. Furthermore, the Shapley additive explanation (SHAP) methodology fully quantified the impact of each parameter and enhanced the interpretability of the model. This method breaks through the traditional limitation of relying on engineers’ experience, realizes real-time drilling parameter optimization during the drilling process, and provides scientific decision support for improving drilling efficiency.
Cross-Population Analysis of Breast CancerTranscriptomics: Comparative Insights Between Caucasian and Indian Patients
Authors: Nayarisseri Anuraj , Ghosh Dipannita , Bandaru Srinivas , Kaur Navpreet , Bhati Durvi , Rathore Vasudha , Swami Radhika , Dhan Swati Smita , Kumar Abhishek , Chopra Ishita , Chaudhary Rinku , Sharma Khushboo , Prajapati Leena , Junior Francisco Jaime Bezerra Mendonça , Scotti Marcus T , Scotti Luciana 
Published: February 2025

Abstract

Ethnic diversity in breast cancer often results in overlapping genetic profiles, complicating prognosis despite evolving classification methods. The present study examines transcriptomic variations between Caucasian and Indian populations through a cross-population analysis to assess whether genes differentially expressed in breast cancer among Caucasian women show similar patterns in Indian women. Utilizing datasets from middle-aged Caucasian women with breast cancer (SRA Project: SRP375823), we performed RNA-seq analysis using the GATK and Tuxedo II pipelines to identify differentially expressed genes, followed by functional enrichment analysis. We identified eleven genes—mTOR, BARD1, RAD50, ADIPOQ, PMS2, ARID5B, NHERF1, SPEN, SDHB, MYH10, and APC—that were differentially expressed and significantly associated with breast cancer in the Caucasian population. To assess the impact of ethnic variability on gene expression, we analyzed the expression of the aforementioned genes associated with breast cancer in Indian breast cancer patients. We found that mTOR, BARD1, RAD50, and ADIPOQ were upregulated, and PMS2was downregulated in both populations, suggesting their universal role in breast cancer progression. However, ARID5B, NHERF1, SPEN, SDHB, and APC displayed population-specific differences, with downregulation observed only in Caucasian patients and no difference in Indian populations. These findings reveal ethnic differences in breast cancer gene expression, highlighting the need to consider both universal and population-specific variations in research and treatment strategies.
Sexual and reproductive health rights: knowledge and practice among the married women of reproductive age residing in Besishahar Municipality, Nepal
Authors: Gautam Laxmi , Adhikari Sirjana , Bist Amrit , Gautam Sujan 
Published: February 2025

Abstract

Background:
Married women of reproductive age can experience violations of their sexual and reproductive health rights (SRHR). Adequate knowledge and understanding of SRRs are critical to their ability to protect themselves. This study assessed the knowledge and practice of SRHR among the married women of reproductive age residing in Besishahar Municipality.
Methods:
A cross-sectional study was conducted among the 342 married women of reproductive age (MWRA) in Besishahar Municipality using a pre-tested structured questionnaire through face-to-face interview. The collected data were entered and analyzed using SPSS IBM version 16. The logistic regression model was applied to examine the factors associated with the outcome variable using an adjusted odds ratio with a 95% CI, and a p-value <0.05 was considered statistically significant.
Result:
Among the total 342 respondents, 47.7% had adequate knowledge on SRHR and 41.5% had good practice on SRHR. Women who married at an appropriate age were 2.075 times more likely to have adequate knowledge of SRHR compared to women who had early marriages (aOR=2.075, 95% CI=1.16-3.69) which was 1.82 (aOR=1.821, 95% CI=1.02-3.24) in the case of good practice. Respondents who were involved in formal sectors were 1.834 times more likely to have adequate knowledge of SRHR compared to informal sectors (aOR=1.834, 95% CI=1.15-2.90) which was (aOR=1.518, 95% CI=0.96-2.39) in case of good practice. MWRA who belonged above the poverty line were 2.511times more likely to have adequate knowledge compared to MWRA who belonged below poverty line (aOR=2.511, 95%CI=1.52-4.14). Married women of the reproductive age group who had adequate knowledge of SRHR were 3.234 times more likely to have good practice of SRHR compared to women who had inadequate knowledge of SRHR (aOR=3.234, 95% CI=1.85-6.56).
Conclusion:
A large proportion of married women of reproductive age did not have adequate knowledge about SRHR, and their practice was poor. So intervention focusing on the promotion of knowledge on SRHR is essential at the community level.