bluuebunny/crossref_metadata_2025 huggingface dataset:
Выбор режима работы шагового двигателя в станках числового программного управления
Authors: Лыкова Е. А.
Published: September 2024

В статье описан принцип работы шагового двигателя, определены основные элементы. Применение шагового двигателя в станках числового программного управления позволяет добиться большей точности. Альтернативным вариантом является использование сервомотора, однако его установка требует более сложной схемы управления. Более того, стоимость сервомоторов значительно превышает стоимость шаговых двигателей, что является еще одним преимуществом шаговых двигателей. Теоретически изучен вопрос о выборе вида подключения обмоток двигателя. Обоснован выбор биполярного шагового двигателя для решения поставленной задачи. На практическом применении был выбран режим работы для управления рабочего органа, двигающегося вверх и вниз. Было проведено исследование, включающее в себя сбор данных, по результатам которого выяснен наиболее оптимальный режимом работы - полушаговый. При нем были достигнуты удовлетворяющие результаты плавности передвижения рабочего органа, использовано минимальное количество элементов. Также соблюден необходимый критерий точности, который позволяет использовать шаговый двигатель, работающий в полушаговом режиме, в станках числового программного управления. По сравнению с микрошаговым режимом полушаговый режим оказался оптимальным по критерию точности и сложности реализации.
Influence of Internal Factors on Strategy Implementation in the Ministry of Land and Physical Planning, Kenya
Authors: Ndungu Juliet Waithira , Dr. Edward Owino Dr. Edward Owino
Published: September 2024

Purpose: The current study sought to unveil the influence of internal factors on implementation of strategies in the Ministry of Lands and Physical Planning in Kenya. The study centered on specifically establishing the influence of organization structure, organization leadership, organization culture and organization resources on strategy implementation in the Ministry of Lands in and Physical Planning in Kenya. The study was anchored on Contingency Theory, Path-Goal Leadership theory, Schein’s Theory of Organization Culture and Resource Based View Theory.
Methodology: The study employed a descriptive research design and targeted the Ministry of Lands and Physical Planning. The unit of observation of comprised of 409 staffs from the ministry in top, middle and lower management positions in the ministry’s head office.  Fishers Sampling Formula was used in developing a sample of 198 respondents. The study relied on primary data where a five point likert scale questionnaire was utilized to gather primary data. Both descriptive and inferential statistics were employed in analyzing the collected data. SPSS and MS excel was adopted to generate the statistics.
Findings: The results of the study were displayed in form of tables and figures. Prior collection of data, a pilot study was conducted on 10 randomly selected respondents from the ministry to assess the validity and reliability of the questionnaire. The respondents in the pilot study were exempted in the final study. The study established that organization structure, organization leadership, organization culture and organization resources bears a positive and significant influence on strategy implementation in the Ministry of Lands in and Physical Planning in Kenya. This is shown by beta values of 0.296, 0.473, 0.377 and 0.596 and significant values of 0.006, 0.000, 0.000 and 0.000 respectively.
Unique Contribution to Theory, Practice and Policy: The results bears the implications that increasing each of the variables with one unit results into increase in the levels of on strategy implementation in the Ministry by respective beta values. The study concluded that internal factors comprising of organization structure, organization leadership, organization culture and organization resources positively and significantly influences implementation of strategies in the Ministry of Lands and Physical Planning in Kenya. The study recommended the ministry to enhance each aspect of the internal factors considered in the study during strategy implementation since the practice positively influences strategy implementation.
Growth, Physiology, and Root Development in Seedlings of Woody Species Treated with a Seaweed Extract
Authors: Comin Sebastien , Brocca Gloria , Valsecchi Noemi , Fumagalli Simone , Vigevani Irene , Corsini Denise , Ferrini Francesco , Ravanelli Giovanni , Fini Alessio
Published: September 2024

The demand for saplings has risen in recent years as a consequence of massive planting campaigns targeted at increasing canopy cover. To test the hypothesis that seaweed extract can improve root biomass and length, an experiment was carried out at the ERSAF Regional Forest Nursery in Curno, Italy. The seeds of 5 woody species were planted in trays using a substrate amended with 0×, 1×, 2×, or 3× the label dose of a pureAscophyllum nodosumextract. After germination, 6,400 seedlings were arranged according to a randomized complete block design with 10 blocks. After 1 growing season, plants were transplanted into 1.7-dm3forest containers for 1 additional growing season. Root, stem, and leaf dry weights, total leaf area, total root length, and specific root length were measured over an 80-week period. Leaf gas exchange and greenness index were monitored for 78 weeks using an infrared gas analyser and a SPAD meter. Species differed for growth rate, biomass allocation to roots, and specific root length. The algal biostimulant increased stem and whole plant dry weights for 1 year only when applied at 3x the label dose. Significant effects on leaf gas exchange were found only at the highest dose and were mostly due to higher leaf greenness index than to lower diffusional limitations to photosynthesis. Results suggest that substrate amendment withAscophyllumextracts may have short term positive effects on plant growth, likely due to a nutritional boost. However, they did not trigger structural changes in plant traits that can enhance transplant tolerance in the long run.
Veganz will sich gesundschrumpfen
Authors: Adelhardt Andrea
Published: September 2024

Um profitabel zu werden, hat Veganz das Sortiment weiter ausgedünnt. Im ersten Halbjahr ist das Unternehmen trotzdem tiefer in die roten Zahlen gerutscht.
Großbäcker erwarten weiteres Wachstum
Authors: Krönert Alrun
Published: September 2024

Brot wird immer häufiger im Lebensmittelhandel und im Discount gekauft. Das verstärkt die Konzentration in der Backbranche.
„Das Gesetz ist ein Rohrkrepierer“
Authors: Bender Hanno
Published: September 2024

Seit rund einem Jahr ist Björn Fromm Präsident des Bundesverbandes des Lebensmittelhandels (BVLH). Der selbstständige Edeka-Kaufmann führt drei Märkte in Berlin und ist Mitglied im Aufsichtsrat der Edeka Minden-Hannover. Darüber hinaus ist der 39-Jährige Vorsitzender der Branchenorganisation ZKHL und Vizepräsident des Handelsverbandes HDE. Die LZ sprach mit Fromm über Branche und Verbandsarbeit.
Penny schafft Platz
Authors: Schulz Hans-Jürgen
Published: September 2024

Wie lässt sich auf kleiner Fläche ein vollwertiges Discount-Sortiment zeigen? Die Antwort von Penny steht in Köln. Das Konzept will der Discounter bis 2028 in bis zu 800 Standorten umsetzen. COO Stefan Görgens sieht noch viel Potenzial. Hans-Jürgen Schulz
Kaufland fährt Paletten autonom
Authors: Klug Denise
Published: September 2024

Kaufland treibt die Automatisierung des Pilot-Logistikzentrums bei Ingolstadt voran. Am Standort kommen auch mehrere Eigenkreationen zum Einsatz.
Sodastream schließt Distributionslücke
Authors: Biester Silke
Published: September 2024

Sodastream hat die Talsohle durchschritten. Der neue Deutschland-Chef Dirk Glassner berichtet von zweistelligen Wachstumsraten. Zudem werden die CO₂-Zylinder jetzt bundesweit überall im LEH angeboten.
Die Risiken nehmen zu
Authors: Balzer Heike
Published: September 2024

Die ostdeutsche Ernährungsindustrie steht vor den gleichen Herausforderungen wie die gesamtdeutsche. Doch es gibt Besonderheiten, wie die politischen Entwicklungen und der noch ausgeprägtere Fachkräftemangel.
Pengembangan Modul Ajar Kurikulum Merdeka Berorientasi Pendekatan Realistics Mathematics Education Konteks Budaya Luwu dan Higher Order Thinking Skills (HOTS)
Authors: Taufiq Taufiq , Sukmawati Sukmawati , Baharuddin Muhammad Rusli , Patmaniar Patmaniar
Published: September 2024

Pengembangan potensi siswa dalam proses pembelajaran harus dilakukan secara menyeluruh, terpadu, dan terintegrasi. Pengembangan potensi siswa secara tidak seimbang akan menjadikan pendidikan cenderung lebih peduli pada kecerdasan intelektual dibandingkan dengan kepribadian, cenderung bersifat partikular dan parsial. Urgensi penelitian ini adalah secara ideal guru perlu merancang modul ajar secara maksimal, namun pada kenyataannya masih banyak guru yang masih belum memahami bagaimana mengembangkan suatu modul ajar khususnya yang berbasis kurikulum merdeka. Selain itu, materi pembelajaran tidak selalu disampaikan sesuai dengan kurikulum yang diterapkan. Penelitian ini bertujuan untuk mengembangkan Sebuah Modul Ajar Kurikulum Merdeka Berorientasi Pendekatan Realistics Mathematics Education Budaya Luwu Terintegritas dengan Profil Pelajar Pancasila.  Penelitian ini menggunakan penelitian Pengembangan (R&D) dengan tahapan pelaksanaan penelitian mengikuti Model Four D (4D) yang terdiri atas empat tahapan pengembangan yaitu: Define, Design, Develop, dan Disseminate. Tahap Define mencakup kegiatan studi pustaka dan survey lapangan untuk keperluan identifikasi masalah dan need analysis, tahap Design mencakup kegiatan perancangan produk awal, tahap Develop mencakup kegiatan validasi pakar, revisi produk, uji coba satu-satu dan kelompok kecil, dan tahap Disseminate mencakup kegiatan sosialisasi lapangan dan revisi produk akhir. Hasil penilaian menunjukkan bahwa modul ajar ini efektif dalam meningkatkan keterampilan Higher Order Thinking Skills (HOTS) siswa. Nilai validitas menunjukkan bahwa modul ini memperoleh skor rata-rata 85%, dengan kategori sangat valid, yang mencerminkan kualitas modul dalam hal keterkaitan materi, kelengkapan informasi, dan kejelasan penyajian. Sedangkan Penilaian kepraktisan modul ajar juga menghasilkan skor rata-rata 88%, menunjukkan bahwa modul ini sangat praktis dan mudah diterapkan dalam pembelajaran sehari-hari. Aspek kepraktisan mencakup kemudahan penggunaan, efektivitas pembelajaran, dan efisiensi waktu pelaksanaan. Pada evaluasi kemampuan HOTS siswa, kategori PIK mengindikasikan bahwa 6% siswa masih membutuhkan intervensi khusus, sementara kategori Mahir menunjukkan bahwa sekitar 5% siswa sudah memiliki kemampuan HOTS yang sangat baik. Sebagian besar siswa berada pada kategori Dasar dan Cakap, yang mengindikasikan bahwa modul ini efektif dalam mengembangkan kemampuan dasar dan menengah siswa
Análise da eficácia de diferentes tratamentos para correção estética de manchas dentárias
Authors: Renata da Silva Paiva Paulina , Brito da Silva Geovanna Caroline , Gadelha Vasconcelos Marcelo , Gadelha Vasconcelos Rodrigo
Published: September 2024

Objetivo: analisar a eficácia dos tratamentos existentes para correção estética de manchas dentárias pela compilação de alguns estudos recentes disponíveis na literatura. Método: trata-se de uma revisão integrativa da literatura realizada por uma coleta de dados nas bases eletrônicas: PubMed, Scielo, Google Acadêmico e Biblioteca Virtual em Saúde com o emprego dos descritores em português/inglês: estética dentária, fluorose dentária, hipoplasia do esmalte dentário, hipomineralização do esmalte dentário, desmineralização do dente, microabrasão do esmalte e clareamento dental, priorizando produções recentes publicadas entre 2017 e 2024. Resultados: ao total, 15 artigos científicos foram selecionados para compor esta revisão, incluindo relatos de caso, estudos in vitro e/ou laboratoriais, ensaios clínicos randomizados e um estudo observatório transversal. Conclusão: constatou-se que inexiste na literatura um protocolo terapêutico padronizado para ser seguido como modelo pela classe odontológica que garante melhoria estética e sucesso clínico imediato ou a longo prazo para o tratamento das manchas dentárias.
ENFERMAGEM E A SAÚDE MENTAL DA GESTANTE
Authors: Santos Izaelia da Câmara , Lopes Júnior Hélio Marco Pereira , Silva Luana Guimaraes da
Published: September 2024

Este artigo buscou investigar o papel da enfermagem na promoção da saúde mental das gestantes, visando contribuir para uma abordagem holística e eficaz no cuidado pré-natal. Trata-se de uma revisão de literatura com abordagem qualitativa realizada entre os períodos 2019 e 2024, realizando buscas por produções científicas, nas bases de dados Scientific Electronic Library Online (Scielo), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) e através do Protocolo de Atenção Básica pelo Ministério da Saúde (2021) utilizando os descritores: enfermagem, saúde mental e gestantes. Observou-se que os transtornos mentais em gestantes representam um desafio complexo que requer uma abordagem multidisciplinar, na qual a enfermagem desempenha um papel fundamental e necessita de uma identificação precoce, o suporte emocional, a educação em saúde e a articulação com outros profissionais de saúde são estratégias essenciais para promover o bem-estar mental das gestantes.: Nota-se que,a contribuição da enfermagem na saúde mental das gestantes não se limita apenas à assistência direta, mas também requer habilidades específicas e um conhecimento aprofundado por parte dos profissionais. Isso é essencial para assegurar a qualidade e a eficácia do cuidado prestado, visando sempre o bem-estar emocional e psicológico das gestantes em todas as fases dessa jornada única e significativa que é a maternidade.
A HISTÓRIA DA MATEMÁTICA: UM OLHAR PARA OS SISTEMAS DE NUMERAÇÃO
Authors: Costa Wesley Gaspar da , Costa Renata Gaspar da , Fernandes Dea Nunes
Published: September 2024

Esse artigo buscou mostrar a importância do estudo da história da Matemática, especificamente, no desenvolvimento dos sistemas de numeração. Trata-se de uma pesquisa qualitativa do tipo bibliográfica, onde se elucida o sistema de numeração de cada povo (egípcios, babilônicos, maias, romanos, gregos, hindus e árabes). Observou-se que o estudo da história da Matemática é essencial, pois permite entender a evolução do pensamento lógico e crítico, enriquecendo a capacidade de resolver problemas e inovar na prática matemática. Além disso, compreender o desenvolvimento dos sistemas de numeração ao longo das diferentes culturas e épocas revela como as necessidades específicas de cada sociedade moldaram a criação e aprimoramento dos métodos de contagem e cálculo, destacando a profunda conexão entre o avanço matemático e o contexto histórico. Por fim, a pesquisa destaca a importância de estudar a história da matemática não apenas para compreender seu desenvolvimento técnico, mas também para apreciar o contexto cultural e histórico que moldou seu crescimento.
Evolution of Wind Field in the Atmospheric Boundary Layer with using of Multiple Sources Observations during the Transit of Super Typhoon Doksuri (2305)
Authors: Wang Xiaoye , Xu Jing , Wu Songhua , Wang Qichao , Dai Guangyao , Zhu Peizhi , Su Zhizhong , Chen Sai , Shi Xiaomeng , Fan Mengqi
Published: September 2024

Abstract. The accurate wind field observation of tropical cyclone (TC) boundary layer is of great significance to improve the TC track and intensity forecasting. To investigate the vertical structure of TC boundary layer during the landfall process of Super Typhoon Doksuri, three kinds of instruments including the coherent Doppler lidar (CDL), radar wind profiler (RWP) and automatic weather station (AWS) are deployed at two sites in Xiamen, Fujian province. A data fusion method is developed to obtain the complete wind speed profiles covering the whole Atmospheric Boundary Layer (ABL) based on the above instruments. The wind speeds in the near field blind zones of CDL observation are interpolated by combining the AWS measurements at 10 m. The CDL provides high temporal-spatial resolution wind speed profiles from tens of meters to its highest detection height. The wind speeds above the highest detection height of the CDL would be supplemented with the RWP measurements. The hourly mean wind speed profiles are compared with traditional models. Generally, the wind speed profiles fit well with the power law in the lower part of the ABL, before wind speed changes rapidly. However, it would cause a large error (up to 73 %) to describe the exact wind speed profiles with traditional models during and after the typhoon’s passage, especially when the wind speed is almost constant with height or when wind shear exists. Then fine structures and evolutionary processes of the wind field in the ABL during the typhoon landfall are investigated. In addition, the wind field distribution and wind speed variation with distance from the typhoon center are statistical analyzed. The joint wind field measurements of CDL, RWP and AWS have the broad application prospects on the dynamics study of the TC boundary layer and the improvement of the boundary layer parameterization scheme in numerical forecast models.
Observations of creep of polar firn at different temperatures
Authors: Li Yuan , Keegan Kaitlin , Baker Ian
Published: September 2024

Abstract. To improve our understanding of firn compaction and deformation processes, constant-load compressive creep tests were performed on specimens from a Summit, Greenland (72°35’ N, 38°25’ W) firn core that was extracted in June, 2017. Cylindrical specimens were tested at temperatures of −5 °C, −18 °C and −30 °C from depths of 20 m, 40 m and 60 m at stresses of 0.21 MPa, 0.32 MPa and 0.43 MPa, respectively. The microstructures were characterized before and after creep using both X-ray micro-computed tomography (micro-CT) and thin sections viewed between optical crossed polarizers. Examining the resulting strain vs. time and strain vs. strain rate curves from the creep tests revealed the following notable features. First, the time exponent k was found to be 0.34–0.69 during transient creep, which is greater than the 0.33 usually observed in fully-dense ice. Second, the strain rate minimum (SRMin) in secondary creep occurred at a greater strain from specimens with lower density and at higher temperature. Third, tertiary creep occurred more easily for the lower-density specimens at greater effective stresses and higher temperatures, where strain softening is primarily due to recrystallization. Fourth, the SRMin is a function of the temperature for a given firn density. Lastly, we developed empirical equations for inferring the SRMin, as it is difficult to measure during creep at low temperatures. The creep behaviors of polar firn, being essentially different from full-density ice, imply that firn densification is an indispensable process within the snow-to-ice transition, particularly firn deformation at different temperatures connected to a changing climate.
Extreme Mediterranean cyclones and associated variables in an atmosphere-only vs an ocean-coupled regional model
Authors: Chericoni Marco , Fosser Giorgia , Flaounas Emmanouil , Sannino Gianmaria , Anav Alessandro
Published: September 2024

Abstract. Complex air-sea interactions play a major role in both the variability and the extremes of the Mediterranean climate. This study investigates the differences between an atmosphere-only and an ocean-coupled model in reproducing Mediterranean cyclones and their associated atmospheric fields. To this end, two simulations are performed using the ENEA-REG regional Earth system model at 12 km atmospheric horizontal resolution over the Med-CORDEX domain, both driven by ERA5 reanalysis, for a common 33-year period (1982–2014). The atmosphere stand-alone simulation uses the WRF model with prescribed ERA5 Sea Surface Temperature (SST), while in the second WRF is coupled to the MITgcm ocean model at horizontal resolution of 1/12°. A cyclone track method, based on sea level pressure, is applied to both simulations and to the ERA5 reanalysis to assess the model capability to reproduce the climatology of intense, potentially most impactful, cyclones. Results show that the seasonal and spatial distribution of the 500 most intense cyclones is similarly reproduced between WRF and ERA5, regardless the use of the coupling. The two simulations are then compared in terms of sub-daily fields at the cyclones' maximum intensity. Differences in SST distribution between the models primarily control variations in atmospheric variables, not only at the surface, but throughout the planet boundary layer, due to the mixing of the turbulent processes, enhanced during intense cyclones. Additionally, the research investigates the cyclone effects on ocean properties in the coupled simulation, revealing that strong winds enhance surface heat fluxes and upper ocean mixing, while lowering SST. The analysis shows the effectiveness of the coupled model in representing dynamic and thermodynamic processes associated with extreme cyclones across both the atmosphere and the ocean.
Mean ocean temperature change and decomposition of the benthic δ18O record over the last 4.5 Myr
Authors: Clark Peter U. , Shakun Jeremy D. , Rosenthal Yair , Zhu Chenyu , Gregory Jonathan M. , Köhler Peter , Liu Zhengyu , Schrag Daniel P. , Bartlein Patrick J.
Published: September 2024

Abstract. We use a recent compilation of global mean sea surface temperature changes (ΔGMSST) over the last 4.5 Myr together with independent proxy-based reconstructions of bottom water or deep ocean temperatures to infer changes in mean ocean temperature (ΔMOT). We find that the ratio of ΔMOT/ΔGMSST, which is also a measure of ocean heat storage efficiency, was around 0.5 before the Middle Pleistocene Transition (MPT, 1.5–0.9 Ma), but was 1 thereafter. This finding is also supported when using our ΔMOT to decompose a global mean benthic δ18O stack into its temperature and seawater components. However, further corrections in benthic δ18O, probably due to a long-term diagenetic overprint, are necessary to explain reconstructed Pliocene sea level highstands. Finally, we develop a theoretical understanding of why the ocean heat storage efficiency changed over the Plio-Pleistocene. According to our conceptual model, heat uptake and temperature in the non-polar upper ocean is mainly driven by wind, while changes in the deeper ocean in both polar and non-polar waters occur due to high-latitude deepwater formation. We propose that deepwater formation was substantially reduced prior to the MPT, effectively decreasing ΔMOT with respect to ΔGMSST. We attribute these changes in deepwater formation across the MPT to long-term cooling which caused a change starting ~1.5 Ma from a highly stratified Southern Ocean due to warm SSTs and reduced sea-ice extent to a Southern Ocean which, due to colder SSTs and increased sea-ice extent, had a greater vertical exchange of water masses.
China Wildfire Emission (ChinaWED v1) for the period 2012–2022
Authors: Lin Zhengyang , Huang Ling , Tian Hanqin , Chen Anping , Wang Xuhui
Published: September 2024

Abstract. During the past decades, wildfires have undergone rapid changes while both the extent of fire activities and the resulting greenhouse gas (GHG) emissions from wildfires in China remain inadequately quantified. To explore national wildfire-induced emissions, we employed satellite-based data on burned vegetation to generate the China Wildfire Emission Dataset (ChinaWED). This dataset is constructed at monthly and kilometer scale under a consistent and quantifiable calculation framework, providing an average annual estimates of wildfire-induced GHG emissions of 78.13 ± 22.46 Tg CO2, 279.47 ± 82.01 Gg CH4, and 6.26 ± 1.67 Gg N2O for the past decade. We observed significant decreases in both wildfire occurrences and emissions within forests and grasslands. This trend, however, is counteracted by increasing agricultural fires, which constitute the primary type accounting for at least half of the national total fire emissions. The seasonal cycle of wildfire GHG emissions show an evident apex occurring during the transition from mid-spring to early-summer. At the regional scale, Northeast, Southwest and East China emerge as hotspots for wildfire-induced emissions. Our study offers new insights into understanding China's wildfire dynamics and provides a detailed regional model for the wildfire greenhouse gas emissions over China.
Urban growth and spatial segregation increase disaster risk: lessons learned from the 2023 disaster on the North Coast of São Paulo, Brazil
Authors: Bastos Moroz Cassiano , Thieken Annegret H.
Published: September 2024

Abstract. Urban growth and an increase in urban poverty are important drivers of disaster risk. However, to what extent these processes influence the dynamics of exposure and vulnerability remains uncertain. We hereby contribute to this discussion by presenting key lessons learned from the multi-hazard event that hit the North Coast of São Paulo (NCSP), Brazil, in February 2023. While the event was triggered by rainfall amounts of over 500 mm a day, urban development processes also influenced the impacts of the disaster. In this paper, we quantify these influences through a data integration approach combining empirical evidence on the historical evolution of urban settlements with damage mapping. We also evaluate the factors driving urban growth and spatial segregation in the region. We found that the impacts of the disaster were largely attributed to historical built-up land use changes, as 46 % fewer buildings would have been damaged if the same event had happened around 2 decades earlier, i.e., in 2001. Moreover, precarious urban settlements were considerably more exposed and vulnerable to the event, as evidenced by the density of damaged buildings, i.e., 12 times higher than in non-precarious settlements. We also observed strong patterns of spatial segregation in the NCSP. For instance, precarious settlements are much more frequent at hazardous locations, including on and at shorter distances from steep slopes. While this paper presents an analysis at the local level, the challenges of urbanization and growing intra-urban inequalities are global. Thus, these results reinforce the importance of accounting for such urban processes in disaster risk reduction interventions and the urgent need for research efforts that go beyond the hazard component, e.g., through an improvement of methods to simulate urban scenarios in the scope of disaster risk.
Towards Earth System Modeling: Coupled Ocean Forecasting
Authors: Berthou Ségolène , Siddorn John , Fraser-Leonhardt Vivian , Le Traon Pierre-Yves , Hoteit Ibrahim
Published: September 2024

Abstract. Modelling our planet is challenging, and forecasting the ocean component is crucial for better understating physical processes in a changing climate. To achieve this objective, numerical ocean models require more advanced approaches that aim at connecting different Earth system’s components in a more sophisticated way: this is offered by coupling methods, that involve exchanging information between discrete modelling systems. The paper explains the principles of two-way coupling, where models run simultaneously and exchange information both ways. As individual models reach better accuracy, coupling becomes a key factor to improve forecasting capability because it reproduces the natural complexity of the environment: a wealth of literature shows the benefits of coupling. However, coupling is still limited in operational oceanography by its large demands on computational resources, by data assimilation techniques (currently not very well harmonized between the different models) and by administrative separation of forecasts across different earth-system components. Overcoming these barriers will support ocean predictions towards a multi-hazard approach and a more accurate representation of the Earth systems’ components interaction, and improve collaborations between multi-disciplinary forecasting communities.
Didática Histórico-Crítica: bases essenciais para a luta de classes na educação escolar
Authors: Andrade Leonardo Carlos , Pereira Rosimeri da Silva
Published: September 2024

A presente resenha do livro intitulado “Fundamentos da Didática Histórico-Crítica”, foi elaborada no contexto de produção do 3º Ciclo de Estudos" do Instituto Federal Goiano-Ceres, em parceria com as Universidades Federais do RJ, Catalão e de Goias (UNIRIO, UFCat e UFG). Organizada por Galvão, Lavoura e Martins (2019), esta obra representa uma síntese robusta de pressupostos teórico-práticos que possibilitam compreender a organização do trabalho docente à luz da Pedagogia Histórico-Crítica e do marxismo e nos revela que a Didática Histórico-Critica é a que identifica a prática social como ponto de partida e chegada, pois pelo movimento da síncrese à síntese cada indivíduo singular pode incorporar efetivamente os instrumentos culturais da universalidade humana como um processo de catarse. Para isso, considera os elementos mediadores na atividade particular da ação pedagógica – a ação da problematização e da instrumentalização.
Ações e propostas do governo Zema em Minas Gerais para a Educação Especial
Authors: Horta Ícaro Belém , Silva Edna Vieira da , Araújo Eduardo Santos
Published: September 2024

As ações com/para a educação devem ser pensadas como campo de disputa, no qual, os contextos social, econômico e político são relevantes. É nessa seara que o artigo busca examinar as ações propostas para a Educação Especial advindas de um governo pautado na lógica gerencial e com princípios da Nova Gestão Pública (NGP). Este trabalho objetiva compreender como o debate da Educação Especial, na perspectiva da Educação Inclusiva, se apresenta nos planos de governo de Romeu Zema (Novo-MG) e quais ações foram realizadas durante a sua gestão. Para tal, mapearam-se os planos governamentais; identificaram-se as ações políticas dessa gestão; e analisaram-se as ações implementadas concernentes a essa modalidade. Observou-se uma ausência desta temática nas produções acadêmicas e científicas, além da omissão nos planos de governo. Foram identificadas ações que fortalecem a terceirização de responsabilidades e reforço da perspectiva da formação para o capital humano e da lógica de integração.
STUDY OF THE POSSIBILITY OF PROCESSING HBI SLUDGE IN ELECTROMETALLURGICAL UNITS
Authors: Савостьянов А.В. , Торохов Г.В.
Published: September 2024

Производство железа прямого восстановления сопровождается получением побочной продукции в виде шламов газоочисток и металлизованной мелочи с достаточно высоким содержанием железа, при переработке которой имеют место определенные технические и технологические проблемы. Выполнены исследования химического, фазового и гранулометрического составов железорудного шлама Лебединского горно-обогатительного комбината. Проведены опытно-промышленные плавки железосодержащих шламов производства горячебрикетированного железа в электродуговой печи мощностью 100 кВт с получением литейного чугуна. Производилась послойная укладка шлама и отсева кокса в соотношении: на 100 г шлама 15 г отсева кокса. Полное расплавление всего объема шихты было достигнуто при 1340 °С. Разработанная технология защищена патентом РФ.

The production of direct reduced iron is accompanied by the production of by-products in the form of gas cleaning sludge and metallized fines with a high iron content, the processing of which has certain technical and technological problems. Studies of the chemical, phase, and particle size distribution of iron ore sludge at Lebedinsky GOK were carried out. Pilot smelting of iron containing HBI sludge was carried out in an electric arc furnace with a capacity of 100 kW with the production of cast iron. Layer-by-layer laying of sludge and coke screenings was carried out in the ratio: 100 g of sludge 15 g of coke screening. Complete melting of the entire charge volume was achieved at 1340°C. The developed technology is protected by a patent of the Russian Federation.
A Influência do Aumento do Gasto com Pessoal na Reeleição Municipal
Authors: Santos Rafael Lima dos
Published: September 2024

A literatura reporta que a frequência mais expressiva e prolongada de ciclos eleitorais ocorre nos países em desenvolvimento, portanto, é possível que prefeitos municipais aumentem a máquina pública, em períodos que antecedem as eleições, buscando atingir a visão míope do eleitor. Neste sentido, o presente estudo analisa a influência do aumento dos gastos com pessoal na probabilidade de reeleição nos municípios do estado do Pará, por meio de regressão logística; adicionalmente, estimou a especificação probit e calculou o efeito marginal. O trabalho analisou o período de 2001 a 2016, contemplando assim as eleições municipais de 2004, 2008, 2012 e 2016. Os resultados indicam a presença de ciclos eleitorais nas eleições municipais paraenses. Contribui para literatura ao ampliar o entendimento dos gastos com pessoal, por possibilitarem um tratamento singular das despesas com pessoas físicas, corroborando que os eleitores em países em desenvolvimento permanecem sensíveis a políticas de aumento da máquina pública pela ótica fiscal.
Refractive Error after Toric Intraocular Lens Implantation in a Patient with Bilateral Posterior Keratoconus
Authors: Chung In Kwon
Published: September 2024

Purpose: To report a case of bilateral posterior keratoconus where a targeted spherical equivalent outcome was achieved after bilateral cataract surgeryCase summary: A 64-year-old female patient presented with impaired vision. Corrected visual acuity was 0.6 × -2.50 D Ax 60° in the right eye and 0.4 × -2.50 = -2.50 D Ax 140° in the left eye. Although slit-lamp examination revealed no abnormalities on the anterior surface of the cornea, it showed subepithelial opacity and excavation in the central posterior cornea; hence, a diagnosis of posterior keratoconus was made. Corneal tomography revealed that the astigmatism was less than 1 D in the posterior axial curvature map, the size of the posterior corneal elevation was small (right eye, 1.5 mm; left eye, 1.0 mm), and there was no astigmatism in the posterior elevation map. Simulated keratometry was used for the K value, and the intraocular lens (IOLs) power was calculated using the Sanders Retzlaff Kraff/Theoretical formula. The use of toric IOLs was decided to correct anterior cornea astigmatism, and the postoperative target spherical equivalent outcome for both eyes was planned as emmetropic. Finally, the corrected visual acuity was 0.8 × -1.25 D Ax 10° in the right eye and 0.7 × plano in the left eye, resulting in the targeted postoperative spherical equivalent outcome.Conclusions: To determine the most appropriate power of the IOLs in patients with posterior keratoconus, the abnormality of the anterior corneal surface, degree and extent of posterior corneal excavation, and degree of posterior corneal astigmatism should be considered.
Türk Bankacılık Sektöründe Yabancı Para Pozisyonu
Authors: Kartal Fikret
Published: September 2024

Türkiye gibi reel ve finansal kesimlerin yüksek kur riskine maruz kalabildiği ekonomilerde uluslararası standartların ve kurum bazında risk farkındalığının mevcudiyeti kilit önemdedir. Türkiye’de bankaların taşıdığı kur riskinin kontrolü ve yönetimi özel düzenlemelere tabiidir. Kur riskine karşı bankaların korunmasında öne çıkan uygulamalardan biri yabancı para genel pozisyonuna doğrudan sınırlama getirilmesidir. Çalışmada, kur riski ve yabancı para pozisyonuna konu düzenleme ve sınırlamalar sunularak yabancı para pozisyonuna ilişkin metodoloji açıklanmış, salgın krizinin (COVID 19) yaşandığı ve geleneksel olmayan para politikasının tatbik edildiği 2020 yılı sonrasında (Ocak 2020-Eylül 2023) bankacılık sektörünün ve sermaye yapılarına göre banka gruplarının yabancı para pozisyonunun gelişimi aktarılmıştır. Çalışma sonuçlarına göre, sektör bilanço içinde taşıdığı açık pozisyonu bilanço dışında taşıdığı fazla pozisyon ile dengeleyerek genel pozisyonunu yasal sınırları içinde muhafaza etmiş ve istisnai aylar haricinde fazla pozisyon taşımıştır. Sektörde genelde %5 dolayında veya altında fazla pozisyon oranları mevcuttur. Yabancı banka ve kamu bankalarının bilanço içi açık ve bilanço dışı fazla pozisyonları genelde yerli özel bankalardan daha düşük kalmıştır. Salgın krizinin ilk döneminde kamu bankaları %10-20 arasında dalgalanan bir açık pozisyon verirken, yerli özel ve yabancı bankalar %10 oranının altında fazla pozisyon edinmiştir.
Kötü Niyetli Yaratıcılık Ölçeği (KNYÖ): Türkçeye Uyarlama, Geçerlilik ve Güvenilirlik Çalışması
Authors: Akben Gül , Coşkun Hamit , Akben Cantürk
Published: September 2024

Hao ve ark. (2016) tarafından geliştirilen Kötü Niyetli Yaratıcılık Ölçeği (The Malevolent Creativity Behavior Scale); zarar verme, yalan söyleme ve kandırmaca olmak üzere üç faktörden ve 13 maddeden oluşan bir ölçektir. Ölçeğin amacı yaratıcılığın karanlık ve kötü niyetli tarafını ölçmektir. Türk kültürüne uygun bir kötü niyetli yaratıcılık ölçeğinin olmaması bir eksikliktir ve bu konuda çalışmak isteyen araştırmacıların elinde öz-bildirim yöntemiyle kullanılabilecek hiçbir geçerli ve güvenilir ölçüm aracı bulunmamaktadır. Mevcut çalışmanın amacı kötü niyetli yaratıcılığı ölçmeye yarayan bu ölçeği Türkçeye uyarlamaktır. Çalışma 555 katılımcıdan oluşmaktadır. Ölçeğin geçerlilik çalışması kapsamında yapı ve ölçüt geçerliliklerine bakılmıştır. Yapı geçerliliği için doğrulayıcı faktör analizi uygulanmıştır ve ölçeğin üç faktörlü yapısı kabul edilebilir bulunmuştur, χ2 = 222, sd = 62 p < .001, TLI = .91, CFI = .93, RMSEA = .068, SRMR = .052. Ölçüt geçerliliği için ölçeğin alt boyutlarının çeşitli temel kişilik özellikleri ve karanlık üçlü kişilik özellikleriyle ilişkilerine bakılmıştır. Ölçeğin faktörleri genel olarak olumsuz özelliklerle pozitif, olumlu özelliklerle negatif ilişkiler göstermiştir. Güvenilirlik çalışması için iç tutarlılık katsayısı, kompozit güvenilirlik katsayısı ve test-tekrar test yöntemi kullanılmıştır. Ölçeğin toplam Cronbahch alfa katsayısı .84 iken kompozit güvenilirlik katsayısı .90 bulunmuştur. Test-tekrar test için ise 15 gün arayla 49 katılımcıya yapılan uygulamalar arasında güçlü korelasyonlar tespit edilmiştir.
The Moderator Effect of Internal Prosocial Behaviors on the Relationship Between Helicopter Parenting and External Prosocial Behaviors
Authors: Ata Samet , Öztekin Gülçin Güler
Published: September 2024

The rate of helicopter parenting, which is one of the parenting styles, has been increasing in recent years and this style might have negative effects on the individuals' lives. Prosocial behaviors are the actions expected to be displayed in the society and the attitudes of the parents are effective on these behaviors. It is important to determine these effects to contribute to the healthy development of individuals. Thus, this study aimed to investigate the gender differences in helicopter parenting and prosocial behaviors, to reveal the relationships between age and helicopter parenting and prosocial behaviors, and to determine whether internal prosocial behaviors acted as a moderator in the relationship between maternal/paternal helicopter parenting and external prosocial behaviors. Path analysis, which is an advanced statistical model, was used to determine the moderator effect of internal prosocial behaviors. Data were collected from 363 adolescents with a mean age of 16.08 years. Data were obtained with the "Helicopter Parent Attitude/s Scale" and "Adolescent Prosociality Scale". The results showed that adolescents girls exhibited more prosocial behaviors than boys. There was an inverse and significant relationship between age and paternal helicopter parenting. Internal prosocial behaviors acted as a moderator in the relationship between maternal/paternal helicopter parenting and external prosocial behaviors. The findings of the current study suggest that helicopter parenting has an adverse impact on external prosocial behaviors and internal prosocial behaviors may regulate this relationship.
Implications of Critical Language Studies for Language Studies and Foreign Language Education
Authors: Altaş Betül
Published: September 2024

Current issues such as global warming, climate change, human rights and social equality, and educational quality are all most debated issues in diverse discourses including education. Educators have the responsibility to enable their learners to critically think and question these debated issues for a sustainable world and must be equipped with the critical terminology and concepts to critique them in their classrooms. This critique requires an interdisciplinary approach to the hidden linguistic agenda in today’s global system. As a review study, this study offers the philosophical foundations of critical language studies with its roots in Critical Theory. This review casts light on what it means to be critical about language in the implication of language education, and why critical language studies are a requisite in educational settings and diverse discourses. Reviewing literature, key critical concepts and terms, and the significance of their implications for language education are provided in this study. Thus, this study may respond to the needs of scholars and individuals whose interests include language studies, and of foreign language learners, foreign language curriculum designers, and foreign language teachers and educators who seek alternative ways to transform their teaching and learning through critical use of language.
The Effectiveness of Daily-Life Oriented Project Based Learning on Students’ Conceptual Understanding
Authors: Girgin Şefika , Coştu Bayram
Published: September 2024

This study investigates the impact of daily-life oriented project-based learning (PBL) on the conceptual understanding of 5th grade students in the Matter and Change unit. The study was conducted with 80 5th grade students from a public primary school in Istanbul, Turkey. The experimental group received daily-life oriented PBL activities, while the control group received traditional instruction. A mixed-methods approach was employed, with a quasi-experimental pretest-posttest control group design for the quantitative segment and open-ended questions for the qualitative aspect. The Conceptual Comprehension Test was used to measure the students' conceptual understanding before and after the intervention. The study found a significant difference between the scores of the groups from the conceptual understanding pre-test and conceptual understanding post-test in favor of the post-test. The study also found a decrease in misconceptions and an increase in sound understanding of concepts such as "heat exchange," "boiling point," "expansion," "contraction," and "evaporation" in the experimental group. The study suggests that PBL activities aligned with key concepts and emphasizing connections between daily life and subject achievements can enhance students' learning outcomes. The study provides practical implications for educators, emphasizing the importance of pedagogical approaches that prioritize student-centered, inquiry-based learning.
Türkiye’de Sosyal Öykü Uygulamasının Kullanıldığı Lisansüstü Tezlerin İncelenmesi: Bir Sistematik Derleme
Authors: Özoğul Bedirhan , Akar Eylül , Görgün Bora
Published: September 2024

Sosyal öyküler, özel gereksinimli bireylerin eğitiminde sıklıkla kullanılan kanıta dayalı uygulamalardan biridir. Dolayısıyla gelecekte yapılacak olan araştırmalara yön vermesi açısından alanyazında yer alan uygulamaların incelenmesi ve bu konuda gereksinimlerin belirlenmesi gerekmektedir. Bu çalışmada Türkiye’de sosyal öykü uygulamasının kullanıldığı lisansüstü tezlerin belirli değişkenler açısından incelenmesi amaçlanmaktadır. Araştırma kapsamında Ulusal Tez Merkezi’nde (YÖKTEZ) 2024 yılına kadar yayımlanmış sosyal öykü uygulamasının kullanıldığı tezlere ilişkin sistematik derleme yapılmıştır. Belirlenen anahtar kelimeler ilgili veritabanında taranmış ve 25 tez çalışması belirli değişkenler açısından betimsel analiz tekniği ile incelenmiştir. Araştırmanın sonucunda ulaşılan veriler tablo ve grafiklerle görselleştirilerek yorumlanmıştır. Araştırma sonucunda, tezlerin büyük çoğunluğunun Anadolu Üniversitesi’nde ve özel eğitim anabilim dalında yürütüldüğü görülmüştür. Lisansüstü tezlerde en fazla hedef sosyal becerinin öğretilmesinin hedeflendiği, ağırlıklı olarak nicel araştırma yöntemlerinden tek denekli araştırma deseni kullanıldığı, en fazla otizm spektrum bozukluğu olan bireylerle ve üç katılımcıyla çalışıldığı bulgusuna ulaşılmıştır. Son olarak incelenen tezlerin büyük çoğunluğunda sosyal öykü uygulamasının öğretimde etkili olduğu görülmüştür. Araştırmadan elde edilen bulgular ilgili literatür ışığında tartışılarak ileride yapılacak araştırmalara yönelik önerilerde bulunulmuştur.
48-72 Aylık Çocuğu Olan Babaların İletişim Engellerine Yönelik Görüşleri
Authors: Karakuş Nurşen , Temiz Gülay
Published: September 2024

48-72 aylık çocuğu olan babaların iletişim engellerine yönelik görüşlerinin incelenmesinin amaçlandığı bu çalışmada; Konya İli Selçuklu İlçesi’nde ikamet eden farklı demografik özelliklere sahip 48-72 ay çocuğu bulunan 15 baba ile yarı yapılandırılmış sorularla çocuklarıyla olan iletişimlerinde iletişim engellerine yönelik görüşleri ele alınmıştır. Babaların demografik özelliklerine yönelik bilgileri “Kişisel Bilgi Formu” ile iletişim engellerine yönelik görüşleri ise “Görüşme Formu” kullanılarak alınmıştır. Çalışmada nitel araştırma yöntemlerinden fenomenolojik desen kullanılmıştır. Toplanan veriler yoluyla dört tema elde edilmiştir. Bu temalar “Tanımlama”, “Çözümleme”, “Tutum” ve “Çıktılar” olarak isimlendirilmiştir. Araştırma sonucunda babaların iletişim engellerine yönelik bilgi sahibi oldukları, çocuklarıyla iletişimlerinde sorunlar yaşadıklarında çocuğun iyi olma hali adına çözüm yolları aradıkları ve çocuklarına destek oldukları sonucuna ulaşılmıştır. Araştırma sonucuna yönelik öneriler getirilmiştir.
Exploring The Relationship Between Ecological and Critical Literacy Levels of Preservice English Language Teachers
Authors: Kuzu Esat , Cubukcu Feryal
Published: September 2024

In the globalized world, numerous skills are needed for 21st-century language teachers, ranging from digital literacy to ecological literacy and critical literacy. This study investigated the relationship between preservice ELT teachers' ecological and critical literacy skills. The study adopted the quantitative survey method to accomplish this aim. The analyses showed that a slight correlation existed between preservice ELT teachers' ecological and critical literacy skills. The role of gender, age, and academic success (GPA) in the preservice ELT teachers' ecological and critical literacy skills was the second focus of the current study. The results revealed that there was a significant difference between female and male participants in favour of the female participants in terms of ecological literacy. As for the other variables, the results showed that there was no connection among these literacy types, and these variables did not play a crucial role in the participants' ecological and critical literacy skills.