bluuebunny/crossref_metadata_2025 huggingface dataset:
Foot and Mouth Disease in Herds of Cattle in Gwagwalada Area Council, Federal Capital Territory, Nigeria: A Case Report
Authors: Muhammad Asabe Hajara , Umar Faruk Abdullahi , Enem Simon Ikechuckwu
Published: January 2025

This case report highlights the occurrence of Foot and Mouth Disease (FMD) in a grazing reserve at Paikon kore in Gwagwalada Area Council (FCT). Nigeria, and the subsequent interventions efforts. On October 10, 2023, a group of herdsmen from a settlement near the Paikon Kore Grazing Reserve reported that some of their cattle were off feed, exhibited weightbearing lameness, and suffered sudden death. The symptoms were first observed after the migration of nomadic herdsmen from the riverine area of Abaji Area Council, bordering Kogi, Niger, and Nasarawa States. Clinical examination of two calves revealed drooling, weight loss, and vesicles in and around the buccal cavity and foot. A field visit was conducted to assess the affected cattle, and samples were collected for laboratory testing, which confirmed FMDV infection. The introduction of new cattle into the reserve and the communal nature of grazing system facilitated the rapid spread of the disease. This case underscores the need for stronger control measures, such as the vaccination of livestock, restriction of animal movement, and enhance veterinary surveillance to prevent FMD outbreak. This report documents the clinical findings, the steps taken to confirm the diagnosis, and the necessary interventions to control the spread of the disease.
Finite Modelling and Analysis on the Flexural Behaviour of Reclaimed Timber Reinforced Steel Beams
Authors: Lamidi N. A. , Akinyemi O. O. , Braimah J. I. , Muili M. A.
Published: January 2025

Timber-steel composites are used widely for various construction such as roofs, floors, bridges and multistory buildings due to its strength, ultimate load capacity and ductility advantages. This study investigated the structural behaviour of hollow steel and reclaimed timber reinforced steel specimens under static loading. The timber reinforcement is not only to enhance flexural behaviour but encourage the recycling of old timber materials as a way of natural resource maintainability and sustainability in the developing countries, Nigeria inclusive. A total number of eight (12) specimens were prepared in which four replicates for each set of reclaimed timber, hollow steel and reclaimed timber reinforced steel specimens, respectively. Each of these specimens was loaded slowly and statically tested using a Universal Testing Machine (UTM) with displacement control, until failure occurred and the test results were computed and analysed. Thereafter, ANSYS R.19 was used for the finite modelling and numerical analysis. The experimental results showed that reclaimed timber reinforced steel (RTRS) beams have performed better than hollow steel (SH) beams under bending. That is the reinforcement has significantly improved the ultimate load capacity and strength of RTRS beams with 31.37% experimentally. In addition, the ultimate loads, deformations, equivalent stresses and failure modes of the beams under flexural bending were accurately predicted and well agreed with experimental data. It was concluded that reclaimed timbers can be used as reinforcement materials in composite construction to increase the flexural capacity of steel hollow section.
Characterization of Cullet Hardened Reactivity in Cementitious Compositions
Authors: Ajadi M. O.
Published: January 2025

The hardened reactivity and constituents of particles in cementitious compositions optimize the structural solidity of concrete. Waste glass, technically referred to as cullet, possesses pozzolanic reaction for the manufacturing of mortar when pulverized as a cementitious material. The study assesses the characterization of pulverized cullet as a material in cementitious compositions and examines its adhesive force to different mortar mixes in the construction of bricks. Cullet (CL) was retrieved from waste dumps; granite dust (GD) was collected from stone pit and river sand (RS) was garnered from river bank. The samples were washed, dried, hammer-milled and pulverized. The study, however, combined laboratory experimentation for elemental analysis of samples through Particle Induced X-ray Emission and studio practices for conducting a controlled test on the relative magnitudes of culletcement mixes as well as a combination of cullet-river sand-granite dust- cement in different mixes. Evidentially, cullet has SiO2 (68.88%), Na2O (9.01%), Al2O3 (0.41%), CaO (5.60%), BaO (8.76%), PbO (2.83%), and K2O (1.63%) as major oxides, river sand has SiO2 (72.46%), Na2O (6.74 %), MgO (0.86%), Al2O3 (4.42%), CaO (3.99%) and Fe2O3 (3.75%) as prima oxides, while granite dust has SiO2 (70.91%), Na2O (4.90%), MgO (0.88%), Al2O3 (11.82%), CaO (2.20%) and Fe2O3 (2.30%) as major oxide properties. The visual characterization of test bricks revealed that the cullet properties indurate hardened reactivity of the compositions and exhibit concretion in terms of mutual adhesiveness to other supplementary cementitious materials. As such, adaptation of cullet and its calcium oxide into cementitious compositions will increase the adhesive attribute of cement-hardened reactivity and reduce environmental pollution.
VALIDITAS E-LKS MODEL BLENDED LEARNING TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA KELAS VIII SMP
Authors: Sopiah Imat , Setiani Ana , Lukman Hamidah Suryani
Published: January 2025

Kemampuan pemecahan masalah siswa dalam bidang matematika masih rendah. Hal tersebut ditunjukan oleh laporan terbaru PISA tahun 2018 dan pada saat melakukan observasi awal kepada lima orang siswa kelas VIII SMP untuk meninjau kemampuan pemecahan masalah matematis siswa. Penelitian ini bertujuan menghasilkan E-LKS model blended learning yang valid untuk melatih kemampuan pemecahan masalah matematis siswa kelas VIII SMP pada materi teorema Pythagoras. Jenis penelitian yang dilakukan adalah penelitian dan pengembangan (R&D) dengan prosedur menggunakan tahapan pengembangan menurut Sugiyono yang dibatasi sampai empat tahapan yaitu: 1) potensi dan masalah; 2) mengumpulkan informasi; 3) desain produk; 4) validasi desain. Data hasil penelitian menunjukan bahwa 94.8% kriteria kelayakan isi materi sudah terpenuhi dengan skor rata-rata 4.74 dan tergolong kategori sangat baik, 85% kriteria kelayakan bahasa sudah terpenuhi dengan skor rata-rata 4.27 dan tergolong kategori sangat baik, 95.41% kriteria kelayakan penyajian sudah terpenuhi dengan skor rata-rata 4.8 dan tergolong kategori sangat baik, 92.85% kriteria kelayakan kegrafikan sudah terpenuhi dengan skor rata-rata 4.6 dan tergolong kategori sangat baik. Berdasarkan data tersebut maka 91% kriteria penilaian kelayakan E-LKS model blended learning yang dikembangkan sudah terpenuhi dengan rata-rata skor 4.64 dan tergolong kategori sangat baik serta valid dan layak digunakan dalam pembelajaran.
EKSPLORASI MATEMATIKA PADA PEMBUATAN GULA CAKAR MAKANAN KHAS MAJALENGKA
Authors: Saepuloh Aep , Madawistama Sri Tirto
Published: January 2025

Penelitian ini mengkaji konsep matematika yang terdapat dalam proses pembuatan gula cakar. Dimana gula cakar ini merupakan gula yang berasal dari Majalengka, yang dalam proses pembuatannya memiliki unsur etnomatematika, etnomatematika yang dikaji yaitu konsep-konsep matematika yang memiliki keterhubungan dengan materi matematika yang dipelajarai disekolahan. Sehingga, konsep matematika yang terdapat dalam pembuatan gula cakar ini nantinya bisa dijadikan strategi pembelajaran yang membuat siswa dapat mengatahui penerapan matematika pada kehidupan. Penelitian ini bertujuan untuk mengungkap konsep-konsep matematika yang ada pada proses pembuatan gula cakar. Metode pada penelitian yang digunakan yaitu metode etnografi. Jenis penelitiannya adalah deskriptif kualitatif. Subjek pada penelitian ini adalah salah satu pembuat gula cakar di kabupaten Majalengka. Data diperoleh dengan cara observasi, wawancara dan kokumentasi. Adapun hasil dari dalam penelitian ini menunjukkan bahwa dalam peroses pembuatan gula cakar ditemukan konsep-konsep matematika diantaranya yaitu, konsep perbandingan senilai, kesebangunan, geometri bidang datar dan ruang, serta konsep aritmetika sosial
IMPLEMENTASI PENGARUH MODEL PEMBELAJARAN ECIRR DENGAN MENGGUNAKAN QSH TERHADAP SCIENTIFIC REASONING DAN KEMAMPUAN BERPIKIR REFLEKTIF PADA SISWA
Authors: Rindiyanti Ayu , Anggoro Bambang Sri , Nabila Siti Ulfa
Published: January 2025

Penelitian ini bertujuan menganalisis rendahnya kemampuan berpikir kritis dan logika ilmiah siswa SMP Negeri 2 Bekri. Tujuannya adalah menguji pengaruh model pembelajaran ECIRR dan strategi QSH bersamaan terhadap kedua kemampuan. Selain itu, penelitian menguji dampak model ECIRR dengan strategi QSH secara individual pada setiap kemampuan. Pengaruh model ECIRR terhadap kemampuan berpikir kritis diuji secara terpisah, begitu pula dengan pengaruhnya terhadap logika ilmiah. Metode penelitian ini kuantitatif dengan desain quasi eksperimen. Ada tiga kelas uji coba: Kelas Eksperimen 1 menerapkan model ECIRR dan strategi QSH, Kelas Eksperimen 2 menerapkan model ECIRR, dan Kelas Kontrol menggunakan metode ekspositori. Populasi penelitian ini adalah seluruh siswa kelas VIII SMPN 2 Bekri tahun 2024/2025, dengan teknik sampling acak sederhana. Data dianalisis menggunakan uji normalitas, homogenitas, dan hipotesis MANOVA.Hasil penelitian menunjukkan pengaruh signifikan model pembelajaran ECIRR dan strategi QSH terhadap peningkatan kedua kemampuan. Model ECIRR berkontribusi positif pada masing-masing kemampuan. Dibandingkan metode ekspositori, pembelajaran ECIRR dan strategi QSH terbukti lebih efektif meningkatkan kedua kemampuan. Kesimpulan penelitian ini adalah penerapan model pembelajaran ECIRR dan strategi QSH secara signifikan meningkatkan kemampuan berpikir kritis dan logika ilmiah siswa. Hal ini menunjukkan metode interaktif dan terstruktur memberi dampak positif pada kemampuan kognitif siswa.
Kata Kunci : ECIRR, QSH, Berpikir Reflektif, Scientific Reasoning
Relative Growth Rate (RGR) and Net Assimilation Rate (NAR) of Green Beans (Vigna radiata L.) with Combination of Organic Fertilizers in Ultisol Soil
Authors: Zafitra  , Apriliani Elisa , Jamili M. Joehari , Khoiri M. Amrul
Published: January 2025

This study aimed to investigate the impact of the interaction between organic fertilizer on the Relative Growth Rate (RGR) and Net Assimilation Rate (NAR) of mung beans grown in Ultisol soil. The research was conducted in Pangkalan Kuras District, Pelalawan Regency, from July to October 2024. The experimental design was a factorial, completely randomized design (CRD) with two factors. The first factor consisted of different doses of bamboo leaf compost fertilizer (0, 50, 100, and 150 g/plant), while the second factor included various concentrations of tofu liquid waste POC (0, 25%, 50%, and 75%). Statistical analysis was performed using variance analysis followed by the Honest Real Difference Test (BNJ) at a significance level of 5%. The results indicated that the interaction between bamboo leaf compost fertilizer and tofu liquid waste POC significantly influenced the plants' relative growth rate and net assimilation rate. The most effective treatment was observed with 150 g/plant of bamboo leaf compost fertilizer combined with 75% concentration of tofu liquid waste. Furthermore, the main effect of bamboo leaf compost fertilizer was significant on RGR and NAR, with the optimal treatment being 150 g/plant. Similarly, the main effect of tofu liquid waste was significant on RGR and NAR, with the best treatment observed at a 75% concentration.
Optimizing Oil Palm Seedling Growth (Elaeis guineensis Jacq.) in the main nursery using NPK fertilizer and Mycorrhizal Biofertilizer
Authors: Gusmawartati  , Rahma Dini Isna , Effendi Arman , Ariani Erlida , Rahma Dini Isna
Published: January 2025

Oil palm (Elaeis guineensis Jacq.) is a valuable plantation commodity with promising development prospects. This research investigated the interaction between NPK fertilizer application and mycorrhizal biofertilizer on the growth of oil palm seedlings in the main nursery on Ultisol soil. The study was conducted using a factorial Completely Randomized Design (CRD). The first factor was NPK fertilizer 16:16:16 (P) with three levels: P1 = 33 g per plant, P2 = 40 g per plant, and P3 = 47 g per plant. The second factor was Mycorrhizal biofertilizer (M) with three levels: M0 = Control, M1 = 20 g per plant, and M2 = 40 g per plant. The parameters measured included plant height, corm diameter, leaf area, root volume, dry weight of seedlings, and percentage of roots infected with mycorrhiza. Statistical analysis was performed using variance analysis and an honest significant difference test at the 5% level using the SAS application. The results indicated that applying NPK fertilizer at a dose of 40 g per plant significantly increased plant height, corm diameter, leaf area, root volume, and dry weight of seedlings. Urea fertilizer at a dose of 3 g per plant also positively influenced plant height, corm diameter, leaf area, and dry weight of seedlings. Mycorrhizal biofertilizer at a dose of 20 g per plant resulted in increased plant height, corm diameter, leaf area, root volume, dry weight of seedlings, and percentage of roots infected with mycorrhiza. The combination of NPK fertilizer at a dose of 40 g and mycorrhizal biofertilizer at a dose of 20 g per plant showed significant improvements in plant height, corm diameter, leaf area, root volume, dry weight of seedlings, and percentage of roots infected with mycorrhiza.
Exploration and Identification of Banana Plant Morphology on Pagai Island, Mentawai Regency
Authors: Ekawati Fitri , Suliansyah Irfan , Hariandi Doni
Published: January 2025

Pagai Island is recognized as one of the primary centers for banana cultivation in West Sumatra. To date, the banana resources on Pagai Island have not been adequately exploited, raising concerns regarding the potential loss of germplasm if these resources are not conserved and managed effectively. The management of genetic resources can be achieved through germplasm collection via exploration activities. This study aims to provide information on the distribution and diversity of bananas on Pagai Island, located in the Mentawai Islands Regency. The research was conducted from July to November 2024. Sampling was performed using purposive sampling methods, and morphological characterization was conducted utilizing the 1996 IPGRI descriptors. The distribution of bananas is illustrated through a distribution map generated from coordinate point data using the ArcGIS 10.8 application. In contrast, the morphological characterization data is represented as a dendrogram created with the Ntsys Ver 2.02 application. The exploration yielded 22 banana accessions. Morphological characterization focused on various traits, including pseudostem tapering, anthocyanin coloration of the pseudostem, crown compactness, growth habit of the plant, petiole attitude, wing presence at the base, midrib color on the lower side of the leaf blade, leaf blade base shape, Waxiness on the lower side of the leaf blade, glossiness on the upper side of the leaf blade, and peduncle curvature. The results indicated that among the 22 banana accessions, the similarity level ranged from 42% to 100%.
Evaluate The Effect of Different Concentrations of Gibberelin (GA3) on The Gemination and Early Seedling Growth of F1 Hybird Cucumber Cucumis sativus in Malaysia
Authors: Pulungan Zulfa , Novita Aisar , Novita Aisar , Saiin Sebrina
Published: January 2025

Conditions and factors that can influence the development of cucumber cultivation in Malaysia are climate and soil because Malaysia has a warm and humid climate, ideal for growing cucumbers. Farmers' cultivation methods often use hydroponic techniques and planting systems in open fields. Providing gibberellin to cucumber plants can be a solution to overcome several problems that cause suboptimal production. Objective: This study aims to evaluate the effect of different concentrations of gibberellin (GA3) on the germination and initial growth of F1 hybrid cucumber seeds. This research method was prepared in a Non-Factoral Completely Randomized Design (CRD) in 4 replications which were repeated once. The first factor is without concentration (control), (200 ppm), (500 ppm), (800 ppm). The gibberellin concentration can significantly influence all cucumber growth parameters, except for the root length of cucumber plants. The best treatment is P3 (500 ppm).
O governo dos corpos: educação física e biopolítica
Authors: Mattos Rafael da Silva
Published: January 2025

O objetivo desta resenha é analisar criticamente a obra Le gouvernement des corps, de Didier Fassin e Dominique Memmi, relacionando-a à Educação Física e à biopolítica de Michel Foucault. A conclusão aponta como a obra contribui para a compreensão do controle social sobre os corpos.
A grelha do conhecimento tático-estratégico dos levantadores: estudo realizado com os campeões dos escalões de base e da superliga de voleibol
Authors: Matias Cristino Julio Alves da Silva , Greco Pablo Juan
Published: January 2025

A presente investigação visou prosseguir com o desenvolvimento da grelha referente ao conhecimento tático-estratégico do levantador de voleibol. A amostra teve como voluntários os levantadores campeões de São Paulo e Minas Gerais, masculino e feminino, das competições promovidas pelas Federações destes estados, nos escalões Mirim (sub-14), Infantil (sub-15), Infanto (sub-17) e Juvenil (sub-20). Também houve a inclusão do campeão Adulto (Profissional) da Superliga Masculina e Feminina (n=18). Foi aplicada uma entrevista individual e semi-estruturada com referência na grelha de conhecimento tático-estratégico do levantador (QUEIROGA, 2005). Os textos das dezoito entrevistas semi-estruturadas foram codificados, comparados e agrupados por similaridade de sentido (MINAYO; SANCHES, 1993; THOMAS; NELSON, 2002). Por meio de uma interpretação lógica e semântica para interpretação das entrevistas, este estudo confirmou as categorias já existentes na grelha de conhecimento tático-estratégico do levantador. Além disto, permitiu o acréscimo de novas categorias: Leitura, Número de Atacantes, Características do Saque Adversário, Características Técnicas e Táticas dos Nossos Passadores e Treinador. Esta nova grelha gerada a partir deste estudo, continuação dos estudos de Mesquita e Graça (2002a) e Queiroga (2005), poderá servir de suporte e contribuir no processo de ensino-aprendizagem-treinamento dos levantadores de voleibol.
O esporte pelo olhar dos trabalhadores voluntários do Programa Escola Aberta de Novo Hamburgo
Authors: Forell Leandro
Published: January 2025

O artigo procura problematizar as representações sobre o esporte dos trabalhadores voluntários do Programa Escola Aberta de Novo Hamburgo. Faz relatos a respeito dos aspectos metodológicos e posteriormente reflete sobre dois temas centrais o da importância do esporte para o programa e para a sociedade. Levanta consenso a respeito da hegemonia do esporte no programa mas aponta para diferentes representações sobre os aspectos benéficos do esporte.
A avaliação na educação física escolar: o discurso dos professores
Authors: Foscarini Neila Borges , Martins Fonseca Gerard Maurício
Published: January 2025

Este estudo teve por objetivo compreender o processo de avaliação na disciplina de Educação Física, nas escolas estaduais da cidade de Vacaria-RS. Como estratégias metodológicas utilizou-se a entrevista semi-estruturada. Identificou-se que os professores utilizam a avaliação qualitativa pautada nos critérios atitudinais utilizando como instrumentos a pauta de observação e auto-avaliação. Pode-se concluir que a avaliação está direcionada para os aspectos atitudinais com característica subjetiva, sem critérios claros sendo realizada pelos professores de forma livre e autônoma não ficando relacionados às normas das escolas que por sua vez não esclarecem de forma satisfatória o processo de avaliação na referida disciplina.
Corporeidade e educação: o corpo e os novos paradigmas da complexidade
Authors: Ahlert Alvori
Published: January 2025

O presente texto discute a corporeidade e a educação no contexto da docência interdisciplinar entre professores de Educação Física e Ciências Naturais, apresentado em forma de Palestra no Encontro Nacional de Professores de Educação Física e Ciências Naturais da Rede Sinodal de Educação. Num primeiro momento são apresentados os conceitos de educação e corporeidade. A partir desses conceitos é discutido o tema da corporeidade no contexto dos paradigmas da complexidade e da ação comunicativa. A reflexão é concluída com a apresentação de desafios para um trabalho interdisciplinar entre professores de Educação Física e Ciências Naturais em torno da questão do corpo na escola.
Diversidade humana e inclusão social na escola: discurso dos professores de educação física
Authors: Assis Cínthia Carolina Marques , Oliveira Raphael Gonçalves de
Published: January 2025

A inclusão social é um conceito que vem sendo usado para designar aqueles que estão de fora. Diferente da integração, em que os excluídos devem se aproximar dos padrões sociais, a inclusão responsabiliza a sociedade como um todo para que a diversidade humana seja respeitada. Dentre as diversas áreas que abordam esta temática, está a Educação Física escolar, que vem realizando pesquisas sobre práticas da cultura corporal de movimento e grupos minoritários. O objetivo do presente estudo foi verificar a fala de professores de Educação Física escolar sobre a inclusão social. A pesquisa se caracterizou como qualitativa e exploratória. Participaram 15 docentes do ensino fundamental II. Duas questões geradoras foram realizadas para verificar o que os professores entendiam por inclusão social e como trabalhavam na prática com este conceito. Para análise foi utilizada a Técnica de Elaboração e Análise de Unidades de Significado. Os resultados demonstraram que poucos professores discorreram sobre um conceito abrangente de inclusão social. A maioria se limitou apenas a alguns grupos minoritários, como também, utilizaram o conceito de integração em suas respostas. Desta forma, debates precisam ser realizados, para que uma abordagem moralista concreta da inclusão social passe a predominar entre os profissionais de Educação Física.
AN ANALYSIS OF STUDENTS' PERCEPTIONS OF PROBLEM-BASED LEARNING MODELS IN ENGLISH LANGUAGE LEARNING
Authors: Inayah Arin , Fariza Alvian Zulkarnain  , Nur Hasibin
Published: January 2025

Problem-based learning is one of the innovative learning models that can provide active learning conditions. Problem Based Learning uses individual, group, and environmental intelligence to solve problems with the learning process. The purpose of this study was to analyze students' perceptions of problem-based learning model in English learning. This research used qualitative approach of survey type. The data collection technique used a questionnaire. The data from questionnaire was analyzed by using Likert scale. Sampling technique using quota sample, selected 23 students from XII at MAU Nurul Iman. The data analysis determined based on 7 indicators, 1. Student perceptions in terms of student and teacher interaction are in the agree category with a percentage of 67%, 2. Student perceptions in terms of motivation / increasing student learning interest are in the strongly agree category with a percentage of 82%, 3. Student perceptions of competency in understanding course material are in the agree category with a percentage of 67%, 4. Student perceptions of critical, effective and efficient thinking competencies are in the agree category with a percentage of 65%, 5. Student perceptions of good time management competencies are in the strongly agree category with a percentage of 85%, 6. Student perceptions in terms of good student learning outcomes are in the strongly agree category with a percentage of 85%, 7. Student perceptions of the appropriateness of the application of learning models with subject characteristics are in a agree category with a percentage of 67%. All the percentage show that the categories of students’ perception in problem based learning models in english language learning is in “agree” categories.
Indoor Air Quality and Its Impact on Stunting Risk in Children
Authors: Amallia Ra. Hoetary Tirta Amallia , Feliyanti  , Antasari Rr. Rina , Nilawati
Published: January 2025

Indoor air quality is an important factor that needs attention in everyday life because it has a significant impact on health, especially for children under 5 years who spend almost 90% of their time indoors. Pollutants that pollute indoor air can increase the risk of infection in children, which can stunt their growth and cause stunting. Indonesia is one of the countries with the highest prevalence of stunting. Therefore, this study aims to analyze indoor air quality which can be a risk factor for stunting. This research was cross-sectional research. The research results showed that the concentration of Volatile Organic Compounds (VoC), CO (Carbon Monoxide), CO2 (Carbon Dioxide), and the number of microbes in the air exceeded the quality standard values ​​permitted for the air where stunted children live. Meanwhile, for home air for children who are not stunted, it does not exceed the quality standard value. This shows that the air quality in the homes of children who are pregnant is in the bad category with high levels of pollutants present. The bad effects of these pollutants can result in recurring infectious diseases in children, which can cause children to become malnourished, which can ultimately lead to stunting. The results of statistical testing using the Independent Sample T-Test for each parameter show a p value of 0.005, which is smaller than alpha, meaning there is a significant difference between the air quality in the room where stunted and non-stunting children live. This means that there is a relationship between air quality and the incidence of stunting in children.
АНАЛИТИЧЕСКАЯ ОЦЕНКА ПРОГИБА СТЕРЖНЕВОЙ МОДЕЛИ КАРКАСА ЧЕТЫРЕХСКАТНОГО ПОКРЫТИЯ
Authors: Астахов С.В.
Published: January 2025

Прямоугольный в плане статически определимый стержневой каркас регулярного покрытия опирается по периметру на вертикальные стойки. Приводится алгоритм вывода формулы зависимости прогиба конструкции от числа панелей при действии на нее нагрузки, равномерно распределенной по узлам. Предполагается, что упругие стержни конструкции соединены идеальными шарнирами. Жесткость фермы вычисляется по формуле Максвелла – Мора. Составление системы уравнений равновесия узлов и ее решение в аналитическом виде выполнены в системе компьютерной математики «Maple». Обобщение итоговой формулы на произвольное число панелей производится по данным расчета нескольких ферм с последовательно увеличивающимся числом панелей методом индукции.
Прикладные задачи механики деформируемого твердого тела
Authors: Трещев А.А. , Теличко В.Г. , Селезнев И.Р.
Published: January 2025

Построена математическая модель и решена осесимметричная задача об определении напряженно-деформируемого состояния тонкой кольцевой пластины, выполненной из материала с двойной анизотропией, покоящейся на упругом «винклеровом» основании. Геометрические зависимости записаны в рамках теории тонких пластин, с использованием гипотез Киргхофа – Лява. Физические зависимости приняты согласно модели деформирования материалов с двойной анизотропией, представленной в нормированном тензорном пространстве, предложенном одним из авторов. Структурная анизотропия ограничена классом ортотропных материалов. Пластина нагружена внешним, ортогональным к срединной поверхности, давлением в предположении малых прогибов. Полученная система разрешающих дифференциальных уравнений аппроксимирована методом конечных разностей до уровня алгебраических равенств, которые, в свою очередь, решены с применением метода Холецкого. Наоснове полученных результатовпостроены графики напряжений ипрогибов. В рамках анализа и обсуждения полученных данных проведено сравнение с результатами решения аналогичной задачи с использованием других физических моделей и сделан вывод об эффективности использования усовершенствованных соотношений.
ПРОБЛЕМА МОДЕЛИРОВАНИЯ ДИНАМИЧЕСКОЙ РЕАКЦИИ МОСТОВЫХ СООРУЖЕНИЙ НА ДЕЙСТВИЕ ПОДВИЖНЫХ ТРАНСПОРТНЫХ СРЕДСТВ
Authors: Юрьев В.В. , Ефрюшин С.В. , Габриелян Г.Е.
Published: January 2025

Анализируется проблема расчета взаимодействия транспортных сооружений с подвижными нагрузками. Приводится описание задачи динамического взаимодействия подвижной нагрузки с сооружениями на основе применения подрессоренных инертных моделей автотранспортных средств. Обсуждается разрабатываемая универсальная программа конечно-элементного анализа для решения динамических задач мостовых конструкций. Приводятся тестовые задачи и сравнение с результатами расчетов по сертифицированным ПК.
ОЦЕНКА ДАВЛЕНИЯ ПУЧЕНИЯ ПРИ ПРОМЕРЗАНИИ МЕРЗЛОГО ГРУНТА В ЗАМКНУТОМ ОБЪЕМЕ
Authors: Ким В.Х. , Ким М.С.
Published: January 2025

Рассматривается метод оценки давления, возникающего при промерзании грунта в замкнутом объеме, с использованием термодинамического подхода. Показано различие давления, возникающего за счет кристаллизации в промерзающем грунте свободной воды, и давления, возникающего за счет замерзания пленочной воды. Доказано, что гидростатическое давление в пленочной воде не передается. Получена уточненная формула для определения давления пучения грунта в замкнутом объеме, исходя из позиций равновесной термодинамики. Результаты расчетов по полученной формуле показали высокую степень сходимости с экспериментальными данными. Описан механизм развития давления при замерзании пленочной воды в грунтах и предложена модель этого процесса.
A botânica no ensino fundamental: o que esperar a partir da BNCC?
Authors: Medeiros Magna Misleiza Rodrigues , Alves Leonardo Alcântara
Published: January 2025

O processo de ensino dos conteúdos biológicos é permeado por desafios, sendo esta área repleta de abstração e termos científicos distantes da realidade do aluno. Dentre os conteúdos que possuem tais questões, destaca-se a botânica, subsidiando a criação do termo cegueira botânica. Utilizando-se desta problemática percebemos a necessidade em refletir sobre os aspectos que regem as questões de currículo sobre o tema realizando uma análise na Base Nacional Curricular Comum, investigando o que o documento propõe acerca do ensino da botânica para o Ensino Fundamental II e quais as possíveis consequências. A partir da análise do conteúdo, foi possível perceber que os conteúdos de botânica estão, dentro da base, inclusos dentro da mesma unidade didática em todos os anos de ensino. Foi possível ainda perceber a diminuição dos conteúdos, estando estes compactados em: biologia celular, ecologia, impactos ambientais e reprodução. Baseado nisto, conclui-se que a BNCC apresenta conteúdos vegetais de modo reduzidos, estando, na maioria dos casos, sendo contextualizado com os animais. Foi perceptível ainda a ausência de conteúdos que servem de subsídio para o estudo de áreas que vão além da biologia, o que abre possibilidades para outros estudos que investiguem a botânica dentro da nova configuração curricular.
Movilidad urbana sustentable desde la gobernanza. Retos y desafíos en las ciudades mexicanas
Authors: Millan Lagunas Michael Mc , Calderón Maya Juan Roberto
Published: January 2025

En México, el panorama gubernamental orientado a la movilidad urbana podría mejorar a través de un gobierno en donde las instituciones replanteen los vínculos con la sociedad y sus necesidades. Por ello, el objetivo del presente artículo es identificar los principales retos y desafíos que enfrentan las ciudades mexicanas en materia de la gobernanza en la movilidad urbana sustentable. Se plantea que, actualmente, la acción tradicional del gobierno se ejerce de manera vertical, buscando ser transformada a una gobernanza horizontal con el propósito de involucrar a todos los actores que intervienen: sociedad, administrativos y empresarios, de ellos depende la dirección de la gestión socioeconómica, así como su impacto en el medio ambiente. Como resultado de la investigación se identificó que la intervención del gobierno en la administración de la movilidad es necesaria para fomentar un adecuado derecho de la misma, de manera que se tenga claridad en quién hace qué y cómo lo hace, manifestando la participación de los distintos actores y complementariedades en los niveles federal, estatal, metropolitano y municipal en México.
Evaluación del estado actual del manejo de residuos sólidos urbanos en el Estado de México
Authors: García Valerio Abigail , Adame Martínez Salvador
Published: January 2025

El manejo adecuado de los Residuos Sólidos Urbanos (RSU) representa un desafío crucial para el desarrollo sostenible a nivel mundial. En el Estado de México, esta problemática adquiere mayor relevancia debido a su gran población y la creciente generación de residuos. El objetivo de este artículo es evaluar el manejo de los RSU en la entidad, a través de un diagnóstico y una serie de indicadores que permitan ponderar la situación actual. La metodología empleada incluyó tres fases: (i) revisión y análisis documental; (ii) elaboración del diagnóstico en todas sus etapas; y (iii) diseño de un marco de evaluación basado en indicadores de tipo general, cobertura, y eficiencia, los cuales se compararon con valores de referencia de organismos internacionales y nacionales. Como resultado se obtuvieron: a) en indicadores generales, la generación de RSU per cápita de 0.97 kg/hab/día; b) en indicadores de cobertura, la recolección es del 79 % de la población y una disposición final del 91 % de lo recolectado; c) en indicadores de eficiencia, el servicio de recolección alcanza un 0.6 % y la disposición final un 0.3 %. El manejo adecuado de los RSU se estima en un 67 %. En conclusión, la gestión de RSU en el Estado de México es deficiente según estándares internacionales, pero regular bajo esquemas locales. Por lo tanto, la evaluación es una herramienta esencial para implementar estrategias y políticas que permitan enfrentar los retos actuales.
La ética urbana: respuestas a los dilemas de las ciudades del futuro desde una perspectiva histórica
Authors: Rogel Fajardo Isidro , Esquivel Estrada Noé Héctor
Published: January 2025

El objetivo del artículo es identificar las diferentes posturas sobre los principios éticos que han influido en la evolución de las ciudades a lo largo del tiempo, así como los dilemas del contexto actual con el fin de contribuir a la reflexión sobre la ética para las ciudades del futuro.
Se presenta una revisión crítica de la ética en la dimensión histórica de las ciudades, incluyendo el contexto de la aldea y la supervivencia humana; las primeras ciudades y su relación con la religión; la revolución industrial y la sociedad del trabajo; la ciudad red y las megaciudades; el reconocimiento de la ciudadanía y su derecho al espacio público. El artículo aborda tres dilemas que enmarcan los retos éticos actuales en las ciudades: el incremento de la desigualdad e inseguridad social; el deterioro ambiental; y los efectos de la tecnología sobre la moralidad y el comportamiento ciudadano.
Finalmente, se reflexiona sobre los ejes éticos para las ciudades del futuro: el compromiso, el respeto y la libertad; concluyendo que la ética para la ciudad debe reinventarse con el fin de crear una sociedad responsable, comprometida, respetuosa, libre y orientada al bien común.
Percepción de seguridad en un escenario urbano con alta incidencia de robo callejero en dos colonias populares, Ciudad de México
Authors: Galeana Cruz Selenne
Published: January 2025

Esta investigación tiene como objetivo analizar el escenario urbano y su interconexión con la percepción de seguridad, desde de la exploración de la apropiación física y simbólica del espacio público, en zonas con alta incidencia de robo callejero, para comprender la significación del territorio y los efectos en la implementación de estrategias de protección y defensa.
Las zonas de estudio son Barrio Norte y Olivar del Conde, ubicadas en la Ciudad de México. Se utiliza la metodología cualitativa con la observación participante, la entrevista y la cartografía social. La criminología ambiental es el sustento de la investigación, ya que contribuye a caracterizar cómo los habitantes definen de manera desigual recorridos, actividades e interacciones en el espacio público, bajo condiciones de vulnerabilidad.
Los resultados muestran que la significación del territorio es heterogénea, ya que está sujeta a múltiples matices físicos, ambientales y sociales que intersecan a las formas de expresión del robo, lo cual manifiesta sentimientos de confianza o miedo.
La principal conclusión es que la experiencia urbana y las estrategias de protección tienen variantes situacionales, que poco se visibilizan para comprender los procesos cotidianos. La recomendación a la política pública es la incorporación de estudios cualitativos a partir del análisis situacional retrospectivo a escala local, para elaborar herramientas de diseño urbano que coadyuven a la confianza.
Transformative trajectories: PLS-SEM analysis of factors influencing emerging technologies in construction adoption in Malaysia
Authors: Khudzari Fakhira , Haron Ahmad Tarmizi , Ayer Steven K. , Rahman Rahimi A.
Published: January 2025

The rapid development and integration of emerging technologies in construction (ETC) have revolutionized traditional processes, workflows, and management systems. Despite these advancements, the adoption of these technologies varies widely across organizations and projects, posing challenges to the industry. This study aims to identify the key factors influencing ETC adoption and develop a structural equation model to analyze their relationships, using Malaysia as a case study. Through a systematic literature review, relevant factors were identified, followed by a survey with 147 industry professionals to evaluate the importance of the factors. Data were analyzed using agreement analysis, mean score ranking, exploratory factor analysis (EFA), and partial least squares structural equation modeling (PLS-SEM). The analyses identified 14 key factors, which can be further classified into three underlying constructs: organizational resources, organizational goals, and organizational strategy. Notably, the findings suggest that only organizational strategy plays a significant role in ETC adoption decisions. Consequently, strategic alignment should be a primary consideration for organizations planning to adopt ETC. This study contributes to the literature by providing a comprehensive analysis of the factors influencing ETC adoption. Researchers and industry professionals can leverage these insights to develop effective strategies that enhance ETC adoption rates, driving innovation and efficiency in the construction industry.
INTERSECTING CULTURES IN EDUCATION: A MIXED METHOD EXPLORATION OF INTERCULTURAL SENSITIVITY AMONG EDUCATION STUDENTS
Authors: Jonalyn C. Dela Torre  , Jodelle John A. Enriquez
Published: January 2025

This study used mixed methods approach that examined the level of intercultural sensitivity in terms of interaction engagement, respect for cultural differences, interaction confidence, interaction enjoyment, and interaction attentiveness. Thus, a convergent parallel mixed methods design was used since it is a type of design that could gather different but complementary data on the same topic. In quantitative phase, there were 233 education students responded to the study through random sampling. Constructed questionnaires were used to gather quantitative data. In qualitative phase, participants were those seven education students who were selected to join the one-on one in depth interview and seven education students who joined the focus group discussion. The results of this study revealed that education students were highly proficient across various aspects such as interaction engagement, respect for cultural differences, interaction confidence, interaction enjoyment, and interaction attentiveness. Data integration of both quantitative and qualitative data results indicated that there is convergence of findings from both types of data.
KEYWORDS: intercultural sensitivity, education students, convergent parallel, mixed method study, Philippines
İslam hüququ nöqteyi-nəzərindən genetik modifikasiya olunmuş (GMO) orqanizmlər
Authors:   AEM (Azerbaijan Science Center), Abdurahmanov Qafqaz
Published: January 2025

Dünya əhalisinin sürətlə artması və ərzaq qıtlığı kimi problemlər dünya ölkələrini ərzaq təhlükəsizliyi haqqında tədbirlər görməyə təşviq edir. Müasir biotexnolojı metodlar vasitəsilə artıq genetik modifikasiya olunmuş məhsulların əldə edilməsi mümkündür. Bu texnologiya vasitəsilə əldə edilən genetik modifikasiya olunmuş orqanizmlər qida təhlükəsizliyi probleminin aradan qaldırılmasının həll yollarından biri olaraq təqdim edilmişdir. Buna rəğmən, dünya bazarına çıxa­rıldığı gündən etibarən genetik modifikasiya olunmuş məhsulların istehsal və istehlakı əxlaqi, tibbi və dini cəhətlərdən müzakirələrə səbəb olmuşdur. Heç şübhə yoxdur ki, genetik modifikasiya olunmuş məhsullar halallıq və haramlıq baxımından İslam hüquqşünaslarının da nəzər-diqqətini cəlb etmişdir. Bu məqalədə genetik modifikasiya olunmuş məhsullar və onların istehlakı İslam dini nöqteyi-nəzərindən müzakirə ediləcəkdir.
Analyze of Profitability in Azerbaijan Banking Sector: A Study on Kapital Bank and Pasha Bank
Authors:   AEM (Azerbaijan Science Center), Karimli Mehrab
Published: January 2025

In modern times, the banking sector plays a major role in people's daily lives, in the activities of enterprises and in the economy. Especially in recent years, with the rapid development of technology and the expansion of the fields of activity of banks, the importance of banks has increased even more. As is known, the main goal of banks is to generate income from the services they provide and their activities. However, like all companies, banks also face or may face many types of risks in their activities and there are many other factors that affect their activities. Banks must take measures to prevent these risks and make decisions regarding factors that may affect their activities. One of these is decisions regarding capital structure. Capital structure has a significant impact on the profitability of the bank. This study first provides information about the capital structure in general, factors affecting the capital structure and decisions regarding capital structure. Then, a study was conducted on Kapital Bank and Pasha Bank regarding return on assets (ROA) and return on equity (ROE).
Günter Qrassın “Mənim yüzilliyim” əsərində II Dünya müharibəsinin insanların və ölkələrin taleyinə təsiri
Authors:   AEM (Azerbaijan Science Center), Məmmədova Günəş
Published: January 2025

Qrassın yaradıcılığı dövrümüzə xeyli tədqiqata cəlb olunsa da, Azərbaycanda onun yaradıcılığı yetəri qədər araşdırılmayıb. Qrassın mövzuları ümumbəşəri səciyyə daşıdığı üçün “Mənim yüzilli­yim” əsəri haqqında fikir bildirərkən dünyada baş verən ictimai-siyasi hadisələri diqqət mərkəzində saxlamışam. Həmçinin II Dünya müharibəsinin təkcə almanların deyil, digər xalqların da həyatını necə köklü şəkildə dəyişdiyini əsərdən gətirilən sitatlarla əsaslandırmağa çalışmışam.

Əsərdə iştirak edən müxtəlif obrazların müharibəni necə dəyərləndirməsini əsas tutaraq, Qrassın öz mövqeyini hansı şəkildə əks etdirməyə çalışmasının təhlili ardıcılllıqla qeyd olunub. Obrazların təhlili göstərir ki, Qrass “insan” faktorunu əsas tutaraq bütün dünyanı bunun üzərində düşünməyə çağırırdı. Müharibə nəinki insanları, hətta bütün dünyanı alçaltmağa qadir bir qüvvədir. Tədqiqa­tımda yazıçının bu ideyasını əsas tutaraq araşdırmanı aparmışam.

Qrassın digər ölkələrin siyasi vəziyyətinə münasibəti də vurğulanıb. Yazıçı, əslində, bir-birinin üzünü heç vaxt görməyən insanların əlinə silah alıb bir-birinin həyatını məhv etməyə çalışmasını realistik metodla elə təsvir etmişdir ki, oxucuda müharibəyə qarşı dərin nifrət yarada bilmişdir. Bu faktları nəzərə alaraq, tədqiqatımı Günter Qrassın müharibəyə fərqli nöqteyi-nəzərdən yanaşması istiqamətində aparmışam.
Məktəbəqədər dövrdə təlimin təşkilinin uşaqların idrakının inkişafına təsiri
Authors:   AEM (Azerbaijan Science Center), Məmmədova Yeganə
Published: January 2025

Təlim prosesi uşağın idrak yolundakı hərəkəti ilə bağlıdır: o, biliksizlikdən bilikliliyə doğru inkişaf edir. Təlim tələb edir ki, məlumat uşağa valideyn və ya tərbiyəçi tərəfindən hazır ötürülməsin, uşaq məlumatı özü əldə etsin. Təlimin təşkili zamanı uşaq yeni biliklər öyrənir, bu öyrəndiklərini təkcə dərsdə, məşğələdə tətbiq eləmir, həmçinin öz real həyatında da istifadə edir.

Müəllim uşağı fəallığa sövq etməlidir, onda həvəs, istək yaratmalıdır. Təlim prosesi daha çox uşağa şərait yaradır ki, uşaq özü axtarış eləsin, öz bildiklərini ortaya qoysun. Müəllim isə bu prosesdə uşağa yol göstərir. Fərqli yanaşma tərzini uşağa aşılayır. Təlim prosesinin daha aktiv, daha maraqlı keçməsi təlimdə istifadə olunan metodlardan, vəsaitlərdən asılıdır. Müəllim müxtəlif vəsaitlərlə təlimi təşkil etməlidir. Bu zaman uşaq daha fərqli mühakimələrdən istifadə edir, öz düşüncəsini daha da formalaşdırır. Məktəbəqədər müəssisədə təhsilin səmərəli qurulması üçün mühit təlimə uyğun olmalı və uşaqların öyrənmə prosesində ünsiyyət və əlaqə yaratmasına imkan verməlidir. Təlimin əsas vəzifələrindən biri odur ki, o uşaqda biliyə yiyələnmə həvəsini artırır, uşaq özü bilik öyrənməyə can atır.
Qara metallurgiyanın iqtisadi inkişafda strateji əhəmiyyəti
Authors:   AEM (Azerbaijan Science Center), Mustafayeva Afaq
Published: January 2025

Qara metallurgiya, iqtisadiyyatın əsas sahələrindən biri olaraq, polad və dəmir məmulatlarının istehsalı ilə məşğul olur və ölkənin infrastrukturunun inkişafında, ağır sənayenin güclənməsində mühüm rol oynayır. Bu sahə, yerli iqtisadiyyatın diversifikasiyasına töhfə verərək, böyük ixrac məhsulları ilə xarici bazarlara çıxışı təmin edir. Dəmir və polad, mühəndislik və inşaat sahələrində geniş istifadə olunduğundan, qara metallurgiya digər sənaye sahələrinin inkişafını da dəstəkləyir.

Qara metallurgiya sektoru, həmçinin ölkənin energetika potensialından səmərəli istifadə edərək iqtisadi təhlükəsizliyi təmin edir və yeni iş yerlərinin yaradılmasına töhfə verir. Bu sahənin davamlı inkişafı texnoloji inkişafı sürətləndirir və regionlarda sənayeləşmənin aparıcı qüvvəsi olur. Qara metallurgiya, həm daxili iqtisadiyyata, həm də xarici ticarətə təsir edir, çünki dəmir və polad dünya miqyasında strateji məhsul hesab olunur və ixracı ölkələrə valyuta gəlirləri təmin edir.

Müasir texnologiyalar və avtomatlaşdırılmış istehsal sistemləri, qara metallurgiya sektorunun məhsuldarlığını artırır, istehsal proseslərində xərcləri azaldır və ekoloji dayanıqlılığı təmin edir. Bu da ölkənin sənaye potensialını yüksəldərək rəqabətqabiliyyətli məhsulların istehsalını mümkün edir.