bluuebunny/crossref_metadata_2025 huggingface dataset:
Comparison and Analysis of the effects of Three Economic Transitions under the Dual-carbon Goal
Authors: Yuan Yongke , Qian Xiao , Maitespal Zuliakhan , Wang Zhuoran , Chen Yufan
Published: September 2024

Abstract

By comparing and analyzing the carbon emission effects of different economic transitions, we can gain an in-depth understanding of the differences between different economic transitions to help achieve the dual carbon goals, and then provide theoretical guidance for each region to formulate more accurate measures to achieve the dual carbon goals. This paper empirically compares and analyzes the effects of three major economic transitions (Low-Carbon Economy Transition, Energy Economy Transition, and Digital Economy Transition) in reducing carbon emissions. The results show that: (1) Low-Carbon Economic Transition, Energy Economic Transition, and Digital Economic Transition all have significant effects on suppressing carbon emissions, but there are differences in the degree of the impact, among which the energy economy transition has the most significant inhibitory effect on carbon emissions, and the low-carbon economic transition has a weaker inhibitory effect on carbon emissions. (2) Heterogeneity analysis shows that the digital economy transition and energy economy transition in the central region, the digital economy transition and the low-carbon economy transition in the western region all have significant effects on suppressing regional carbon emissions, while the three major economic transformations in the eastern region do not have a significant effect on suppressing carbon emissions. (3) The digital economy transition in high economic development regions promotes carbon emissions, and the low-carbon economy transition suppresses carbon emissions. The digital economy transition and energy economy transition in low economic development regions significantly reduce carbon emissions.

Keywords: Digital Economy Transition, Energy Economy Transition, Low-Carbon Economy Transition.
IC Tester Using MATLAB
Authors: Kiruthika K  , Bhumika K Ramesh  , Vishal G  , Vivek N  , Jyoti
Published: September 2024

Digital IC tester is a microcontroller grounded circuitry that tests rainfall the IC is in good working condition or bad condition. In diligence, testing of the product is a major and precious and time-consuming process. Before making the whole system work, testing is mandatorily performed to avoid crimes and uninvited results. also, in educational institutions, while performing practical it's necessary to check the ICs whether it's good or bad before performing trials. numerous a small fault at IC position makes system perform incorrectly and produce wrong labors. The proposed system gives a cheap, small, movable and easy to handle IC tester that tests the ICs belonging to introductory gate circuitry similar as mux, demux, encoder, introductory gates. A new system for the high- speed test and characterization of digital intertwined circuit prototypes has been developed. It utilizes a especially developed off- chip processor and supporting circuitry that's to be included on the prototype chip to grease the test and characterization process. The processor administers the stoner- defined test, receives and stores the test results. The test procedure and data is downloaded to the processor’s memory through a standard interface. The supporting circuitry receives the test data serially from the processor, applies it to the named circuit within the IC, collects and reformat the test results and shoot it to the processor. It also includes a high- frequence configurable timepiece creator to be used for performance characterization of the prototyped circuits.
Impact of AI on Education: A Review
Authors: Dr. Deshpande A.S  , Dr. Mahajan S.R.  , Dr. Kulkarni S.B  , Prof Puri S.A
Published: September 2024

The purpose of this study is to assess the impact of Artificial Intelligence (AI) on education. The scope of the study is limited to the application and effects of AI in administration, instruction, and learning. Artificial intelligence is a field of study and the resulting innovations and developments that have revolutionized in the field computers, machines, and other artifacts having human-like intelligence characterized by cognitive capabilities, learning abilities, adaptability and decision-making skills. The study assures that AI has extensively been adopted and used in education, particularly by education institutions, in different forms. AI initially took the form of computer and computer related technologies. Afterward transitioned into to web-based and online intelligent education systems. Now in this era with the use of computer systems embedded with other technologies, the use of human alike robots and chatbots to perform educator’s duties and functions independently or with the help of educators. Using these platforms, educator facilitators   have been able to perform different administrative functions, such as reviewing and grading students’ assignments more effectively and efficiently, and achieve higher quality in their teaching activities. On the other side, because the systems imparting machine learning and adaptability, curriculum and content has been customized and personalized according to the needs of students, which has developed awareness and retention, thereby improving learners interactive learning experience and overall quality of learning.
Solar-Optimized Building Design
Authors: Sakshi  , Anushka Jain  , Sunakshi Shokeen
Published: September 2024

The aim of this paper is to understand the optimization of solar design, which is an attempt to enhance the building performance through design modifications. The aim of the present study is to evaluate the efficiency of solar panels, with an emphasis on the incorporation of passive solar panels that aid in energy conservation in construction. This study employs a mixed-methods approach. To begin with, the literature review is conducted, and, in particular, the view of previous research is given in an attempt to develop the theoretical background. Afterwards, case studies of solar-optimized buildings are considered in order to see how it worked in practice and what issues arose. Details are provided on the consumption of the material, energy, and the strategies of constructing the design. Upon completion of the case studies and literature review, the findings are then synthesized to offer the guidelines and recommendations on the solar optimized design. Buildings which are designed for maximum utilization of solar energy could incur energy or cost savings of more than 40% in terms of heating and cooling loads. Such optimized designs do not only enhance comfort for the occupants but also minimize the amount carbon dioxide emissions released into the air. On the basis of research, it is crucial to incorporate an optimized solar system in the design phase in order to accomplish long-term environmental goals. This approach boosts overall operational performance, enhances solar energy efficiency, and supports facility sustainability. Solar energy efficiency and sustainable building practices are both capable of being be significantly enhanced with an emphasis on these strategies.
Optimizing Residential Building Orientation: "A Model-Based Approach to Improve Comfort and Efficiency"
Authors: Ankita Poddar  , Anjali Balani  , Himani Jaiswal
Published: September 2024

This research aims to optimize residential building orientation to enhance energy efficiency and overall occupant comfort through natural lighting and wind direction. The study seeks to identify the most effective building orientation within a specific area by evaluating and comparing various architectural models, considering the unique characteristics of the surrounding environment and microclimate. A key focus is how different orientations influence the microclimate within residential interiors, with particular emphasis on manipulating sun and wind direction, ventilation, and air circulation. Heat transfer is identified as a critical factor in maintaining optimal indoor conditions, particularly in regions with extreme climates. The objectives of the research include understanding how building orientation influences the microclimate within residential interiors, analysing the effects of sun and wind direction on thermal performance, and exploring ventilation strategies to enhance air circulation. Additionally, the study conducts a comparative analysis of different building orientations in a particular case study to identify the most effective design strategies for enhancing comfort and efficiency. The findings are synthesized to provide recommendations for designers and urban planners, supporting the design of residential buildings that are both comfortable and energy-efficient. This research contributes to the broader goal of sustainable development by promoting best practices in building orientation and design.
Influence of Ethnocentric Culture as a Raiding Motif on Psycho Social Stability of Students in Day Secondary Schools in Baringo County of Kenya.
Authors: Kiptui David Kipkorir , Moindi Charles c.
Published: September 2024

Ethnocentrism is the evaluation of other people’s cultures based on ones’ skewed standards, customs and beliefs and seeking to assert one’s own inherent superiority and prejudice on others. Ethnocentrism has been linked to sustained protracted inter- community conflicts. It has also been the foundation of construction of tribal identities, social isolation, out-group hostilities and creation of inter- social boundaries. The pastoralist communities in Baringo county have had a long history of armed conflicts which revolve around natural resources such as water, land boundaries and pasture. The limited resources, proliferation of small arms, feeling of marginalization and values attached to successful raids has made the situation more complex. The government in an effort to address these conflicts has established more day secondary schools to enhance access to education and reduce the raiding culture among the communities in Baringo County. However, as much as this is encouraged students in these secondary schools still suffer psychosocial instability emanating from school and home environments. While at home the students are frequently exposed to hostilities from raiding neighboring communities, some have lost their livelihoods, lost their parents and their schools have been closed due to frequent raids and fear of attacks from cattle rustlers and bandits. They have also been victims of displacement and trauma caused by witnessing incidences of violence and at times death. Therefore, this study sought to establish the influence of ethnocentric culture as a raiding motif on psycho-social stability of students in day secondary schools in Baringo county, Kenya. The study utilized the descriptive survey design. The research was conducted on a sample of 360 students from eighteen sampled day secondary schools. The data collection methods were students’ questionnaire. To validate the instruments, piloting was conducted on two (2) day secondary schools with similar characteristics to the sampled schools but which were not included in the actual study. Data was analyzed with the aid of a computer programme which is the Statistical Package for Social Sciences (SPSS) version 21.0 for windows. ANOVA and t-test were used to test if there was a statistically significant mean difference in the students’ response on the influence of ethnocentrism as a raiding motif on psychosocial stability of students in day secondary schools and to determine whether to reject or accept the study hypothesis. All analysis was tested at 0.05 level of significance. The study found out that ethnocentric elements such as the feeling of marginalization, proliferation of small arms, and social praises related to successful raids, helped sustain protracted raiding motif and contributed to students’ psychosocial instability in day secondary schools in Baringo county. The study recommends a more robust inter-community peace sensitization programmes
Feline Idiopathic Cystitis (FIC) in A Mixed Breed Cat: Case Study in Malaysia
Authors: Syazuana Zaini Syamira , Ahmad Sukri Amir Shauqi , Othman Azalea Hani
Published: September 2024

Feline idiopathic cystitis (FIC) is a common medical condition covering Feline Lower Urinary Tract Disease (FLUTD) in cats reported in many countries. However, there is a lack of prevalence studies reported in Malaysia. In this case report, a case of an FIC cat was presented at the University Veterinary Hospital, Universiti Putra Malaysia. The seven-month-old male mixed-breed cat had primary complaints of urine incontinence and haematuria. A thorough physical examination and diagnostic workup ruled out other causes, leading to the diagnosis of FIC. Based on the history provided by the owner, two weeks prior to the inappropriate urination, the cat moved into a new home, and the owner noticed that the cat appeared stressed and frequently urinated outside the litter box. In addition, the owner mentioned that dog bark noises were heard in the room where the cat was housed. Therefore, behavioural therapy (e.g., reconstitute the cat’s home environment and increase the interaction between the owner and the cat) was also conducted as part of the medical intervention in this case. The owner reported no further recurrence of clinical signs. Thus, a complete recovery was achieved with a good prognosis.
Serological Investigation of Aujeszky’s Disease Between 2019 and 2021 in Peninsular Malaysia
Authors: Li Hong Xia , Wai Cheng Fong Michelle , Abdul Rahaman Nor Yasmin , Suet Ee Low , Jia Xin Lee , Heng Chow Cheah Eric , Yen Kam Kok , Li Hui Yong Raquel , Toung Ooi Peck
Published: September 2024

Aujeszky’s disease (AD) is a common disease that has spread worldwide. Various porcine viral diseases exist in Malaysia, where AD is the most common viral endemic disease in the country. The serological status of AD in Peninsular Malaysia was reported prior to 2018, but information after that date is very limited. Hence, our study investigated AD’s serological status in Peninsular Malaysia pig farms based on commercial samples submitted to the Faculty of Veterinary Medicine, Universiti Putra Malaysia, between 2019 and 2021. In this study, 2,780 serum samples were taken from 61 farms, and an enzyme-linked immunosorbent assay (ELISA) test was performed using the IDEXX Pseudorabies Virus gpl Antibody Test Kit for AD serology diagnosis. The results showed that the overall seropositive rate of Aujeszky disease virus (ADV) was 1.51% (42/2,780), which dropped from 2.62% (23/879) in 2019 to 0.53% (5/937) in 2020 and 1.45% (14/964) in 2021. In addition, 18.03% (11/61) of the 61 farms that submitted samples were infected with AD. The results indicate that AD still exists in Peninsular Malaysia, and some farms are at risk from the disease. Further analysis suggested that the quarterly seroprevalence of ADV may also be related to region. This study provides serological data on AD in Peninsular Malaysia, which helps to understand the prevalence and serological status of the disease.
Noni Fruit (Morinda citrifolia L.) Extraction and Phytochemical Analyses: A Mini Review
Authors: Hardiyanti Ratih , Rochmadi Rochmadi , Hidayat Muslikhin , Fajar Falah Mohammad Affan
Published: September 2024

Noni fruit (Morinda citrifolia L.) contains many beneficial bioactive ingredients and is used in traditional medicines and health supplements in tropical and subtropical countries. However, the fruit rots easily, so it must be rapidly processed to isolate bioactive ingredients with antioxidant, antimicrobial, anti-inflammatory, and anti-cancer effects. While many different noni fruit extraction methods are available in the literature, the objective of this mini-review was to briefly assess these methods and ensure appropriate method selection for the isolation of optimal bioactive ingredients.
PAVEL BASİNSKİ’DEN “ANNA KARENİNA’NIN GERÇEK HİKÂYESİ”
Authors: Danacı Çağlar
Published: September 2024

Bu çalışmada, Rusya’da ilk kez 2022 yılında AST yayınevi tarafından yayımlanan Pavel Basinski’nin Anna Karenina’nın Gerçek Hikâyesi adlı kitabı Türkçe çevirisinden incelenmiştir. Kitap Uğur Büke’nin çevirisiyle Alfa Yayınevi tarafından 2023 yılında Türkiye’de satışa sunulmuştur. Çalışmada kitabın her başlığına dair incelemenin yanı sıra bütünsel olarak da değerlendirilme yapılmıştır. Böylece kitabın her başlığıyla ilgili fikir oluşturularak kitabın içeriksel tanıtımının yapılması amaçlanmıştır. Yazar tarafından günümüz okurlarının anlamakta zorlanabileceği düşüncesiyle 19.yüzyıl toplumsal yaşantısıyla ilgili bazı açıklayıcı bilgilere de yer verilen bu kitapta "yazardan" ve "ekler" bölümleri dahil olmak üzere toplam 24 başlık yer almaktadır. Basinski kitabında kimi zaman Tolstoy’dan, Tolstoy’un eşi Sofya’dan, Fet’ten, Gusev’den alıntılarla desteklerken, kimi zamansa öznel görüşleriyle değerlendirmelerini ortaya koymuştur. Bu da kitabın dil ve üslubunun yarı-akademik olmasına sebep olmuştur. Okurlarının dikkatini Anna Karenina’nın ayrıntılarına, kahramanlarının prototipine çeken Basinski, dikkate değer bu çalışmasıyla 2022 yılında 17. Rusya Ulusal Edebiyat Ödülü “Bolşaya Kniga”yı kazanmıştır. Anna Karenina’nın Gerçek Hikâyesi‘nde Anna’dan Karenin’e, Vronski’den Betsi’ye kadar pek çok kahramanı ve balo, yarış gibi pek çok önemli olayı derinlemesine inceleyen Basinski, hem romanı daha önce okumuş hem de okumamış kişiler için merak uyandırıcı, ilgi çekici ve rehber niteliğinde bilgilere yer vermiştir.
Predicción de voltajes en la red eléctrica por interpolación Kriging
Authors: Moreno-Blazquez Carlos , Fele Filiberto , Limon Daniel , Alamo Teodoro
Published: September 2024

En este trabajo, abordamos el problema de la predicción en línea de las trayectorias de voltaje e intensidad nodales en la red de distribución. Para esto, proponemos una formulación basada en datos utilizando la interpolación Kriging, una técnica de aprendizaje automático que ha mostrado aplicaciones prometedoras en el campo del control basado en datos. Producimos un oráculo de predicción no paramétrico que permite inferir trayectorias futuras directamente a partir de medidas de voltaje e intensidad en tiempo real. Además, proporcionamos una implementación algorítmica simple pero efectiva basada en el conocido esquema ISTA. Demostramos la efectividad de nuestra metodología para la predicción rápida (subsegundos) de la dinámica del voltaje mediante simulaciones.
Efficiency of technological processes of use of hydrogen in machinery and motor vehicles
Authors: Shabanov A. V. , Dunin A. Yu. , Shatrov M. G.
Published: September 2024

Introduction (problem statement and relevance). The article reviews directions of improvement of transport power plants and internal combustion engines (ICE) when using hydrogen gas generators.

The purpose of the study is to analyze various methods of storage of hydrogen to use it in motor vehicle or transport power plants implemented in machinery and in motor vehicles, as well as to analyze directions of development of hydrogen gas generators usage.

Methodology and research methods. Analysis of information about production and use of hydrogen as a promising fuel for motor vehicles. Assessment of efficiency of methods of hydrogen generation from ammonia, by the method of steam reforming and by means of methane thermal pyrolysis.

Results. The accomplished analysis of the methods of hydrogen storage and application in various fields of machinery has shown that use of hydrogen as part of synthesis gas opens up additional opportunities in improvement of power plant characteristics and energy efficiency of its application. The prospectivity of ammonia as a hydrogen energy carrier for thermal generators is shown. The calculations conducted have shown that thermal expenditure of energy for hydrogen generation from its combustion in the ICE amounts to 10.7%.

Practical significance. Generation of hydrogen from ammonia with its subsequent supply to the ICE combustion chamber ensures high efficiency of the diesel operation process. Meanwhile, the availability of ammonia in-vehicle simplifies the organization of the catalytic process of selective reduction of NOx in the diesel engine to the ecologically safe level.
„Die Gerichte haben Fortschritte gemacht“
Authors: Bender Hanno
Published: September 2024

Viele Handelsunternehmen und Hersteller verklagen Kartellanten auf Schadenersatz wegen überhöhter Einkaufspreise. Die LZ sprach mit dem Kartellrechtsexperten Thomas Funke über die Entwicklung auf diesem Spezialgebiet.
Penny möbelt Kleinflächen auf
Authors: Schulz Hans-Jürgen , Tewes Werner
Published: September 2024

Nach langen Tests hat Penny das Format für kleine Flächen gefunden. Bis 2028 will der Discounter diese Standorte runderneuern und bis zu 250 Läden pro Jahr umbauen. Investiert wird insgesamt ein dreistelliger Millionenbetrag.
Zabka strebt an die Börse
Authors: Becker Sebastian
Published: September 2024

Der Convenience-Händler Zabka wagt im Heimatland Polen den Gang aufs Börsenparkett. Der Emissionserlös könnte geschätzt bei mehr als 1 Mrd. Euro liegen.
Regionale Programme stärken Marktposition
Authors: Balzer Heike
Published: September 2024

Der Druck durch die zunehmende Popularität von Handelsmarken führt auch bei den Schmalkalder Fleisch- und Wurstwaren zu Absatzrückgangen, insbesondere bei Premium- und Spezialitätenprodukten. Der Hersteller steuert gegen und platziert neue Sortimente am Markt.
Sachsenmilch setzt auf Tierwohl
Authors: Balzer Heike
Published: September 2024

Gegen die zunehmende Preissensibilität der Verbraucher ist Sachsenmilch gewappnet: Die emotional aufgeladene Marke verspricht Qualität zum fairen Preis.
Preis-Leistungs-Verhältnis überzeugt
Authors: Balzer Heike
Published: September 2024

Mit dem Blick auf ein attraktives Preis-Leistungs-Verhältnis wächst Born gegenüber nationalen Marken und Handelsmarken.
Viba mischt den Handel auf
Authors: Balzer Heike
Published: September 2024

Mit der Integration von Arko, Hussel und Eilles eröffnet sich der Nougat-Hersteller aus Thüringen nicht nur weitere Vertriebskanäle. Viba ist damit Deutschlands größter Süßwaren-Fachhändler.
Mühlhäuser legt im Absatz zu
Authors: Balzer Heike
Published: September 2024

Der Gefahr der Kundenabwanderung hin zu Handelsmarken konnte Mühlhäuser bislang trotzen. Die Kommunikation über den Mehrwert des Markenproduktes ist die Erfolgsformel.
Assessing the Hindrances to Female Education in the Korie Chiefdom, Southern Sierra Leone, A Structural Equation Modeling Approach
Authors: Sesay Regina Baby , Seppeh Sheku , Kpangay Mohamed
Published: September 2024

The plight of uneducated women in the Korie Chiefdom and Sierra Leone, in general, cannot be overlooked, as women of all ages are socially, physically, and emotionally treated inferiorly compared to their male counterparts. Although education has been identified as a powerful weapon against poverty, in many low-income families, boys are favored to go to school while girls are culturally and domestically prepared for marriage. This research, therefore, applied structural equation modeling techniques to highlight the main hindrances to female education in the Korie Chiefdom, in the southern part of Sierra Leone. For this purpose, a cluster sampling methodology was employed to select 1200 respondents from the selected villages. Out of the three structural equation models used in the analysis, model 3 was found to be more appropriate and plausible as it satisfied all the fit measures, including the chi-square test. The empirical result revealed a positive and significant relationship between the dependent endogenous construct “educational attainment” and the independent latent variables “learning intensity”, ” “intention”, “perceived behavioral control”, and “economic factors”. On the other hand, a negative but significant relationship was observed between the dependent endogenous construct “educational attainment” and the independent latent variables “social force/norms.”.
Gender, Institutions, and Legislative Speech
Authors: Alemán Eduardo , Barnes Tiffany D. , Micozzi Juan Pablo , Vera Sebastián Vallejo
Published: September 2024

Speechmaking is a vital resource for legislators and holds particular importance for women lawmakers, who frequently constitute a numerical minority and face constraints on their political influence. We argue that formal and informal institutions, district characteristics, and issue
priorities shape women's speech participation. Analyzing twenty-eight years of speeches from Chile's Chamber of Deputies, we first show that women's speeches constitute a small share of all speeches, directly corresponding to their numeric representation. Proportionally, however, women are
over/under-represented in speechmaking across different policy areas. After controlling for various factors correlating with gender, including committee assignments, tenure, and district characteristics, women's relative participation is similar to men's in most topics but exceeds men's in
areas that disproportionately affect women's lives, reflecting their commitment to substantive representation.
Meningkatkan Kemampuan Pemecahan Masalah Siswa Menggunakan Model Pembelajaran Problem Based Learning
Authors: Masitha Cica , Sinulingga Hizkia M.T , Ammy Putri Maisyarah
Published: September 2024

Kemampuan pemecahan masalah merupakan keterampilan penting dalam pembelajaran matematika yang seharusnya dikuasai oleh siswa di era saat ini. Namun beberapa siswa menghadapi kesulitan dalam mengidentifikasi masalah dan mengaplikasikan konsep matematika dalam situasi dunia nyata. Penelitian ini bertujuan untuk meningkatkan kemampuan pemecahan masalah matematis siswa dengan menggunakan model pembelajaran problem based learning. Indikator dalam penelitian ini adalah kemampuan siswa dalam memahami masalah, merencanakan strategi penyelesaian, menggunakan strategi penyelesaian, dan memeriksa kembali jawaban yang telah ditemukan. Subjek dalam penelitian ini adalah siswa kelas VII-2 SMP Negeri 16 Medan yang berjumlah 32 siswa dan objek pada penelitian ini adalah kemampuan pemecahan masalah matematis siswa dengan menerapkan model pembelajaran problem based learning pada materi penyajian data. Penelitian ini merupakan penelitian tindakan kelas yang terdiri dari 2 siklus dan diberikan tes pada setiap akhir siklus. Intrumen penelitian dalam pengumpulan data adalah tes kemampuan pemecahan masalah matematis siswa. Tes digunakan untuk mengetahui bagaimana tingkat kemampuan pemecahan masalah matematis siswa pada materi penyajian data saat diterapkan model problem based learning. Berdasarkan hasil penelitian yang dilakukan diperoleh bahwa penerapan model pembelajaran problem based learning dapat meningkatkan kemampuan pemecahan masalah matematis siswa pada materi penyajian data, yaitu pada siklus I memperoleh rerata kelas sebesar 69,2 dan pada siklus II meningkat menjadi 85,3. Berdasarkan analisis data dan pembahasan, penerapan model pembelajaran problem based learning mampu meningkatkan kemampuan pemecahan masalah matematis siswa.
Faktor Yang Mempengaruhi Rendahnya Kemandirian Belajar Dan Kemampuan Pemahaman Matematis: Studi Kasus di Homeschooling
Authors: Fitria Alfi Maulida Nurul , Hidayat Edi , Muslim Siska Ryane
Published: September 2024

Berdasarkan hasil pengisian angket kemandirian belajar peserta didik Pride Homeschooling di Kota Tasikmalaya diperoleh data terkait kategori kemandirian belajar yang dimiliki peserta didik pada kategori rendah dan sedang. Sementara itu, berdasarkan data yang diperoleh dari hasil kuesioner yang diisi oleh peserta didik Pride Homeschooling, 66,7% peserta didik mampu memahami materi pembelajaran matematika hanya pada materi tertentu, sementara 33,7% lainnya menyatakan dapat memahami materi pembelajaran matematika dengan mudah. Penelitian ini bertujuan mendeskripsikan faktor yang mempengaruhi rendahnya kemandirian belajar dan kemampuan pemahaman matematis. Peneliti menggunakan metode studi kasus dengan melibatkan 4 subjek pada kategori kemandirian belajar rendah serta 2 subjek dengan kategori kemampuan pemahaman matematis rendah. Teknik pengumpulan data terdiri dari penyebaran angket kemandirian belajar, tes kemampuan pemahaman matematis, wawancara dan triangulasi. Untuk menggali faktor rendahnya kemandirian belajar, dilakukan wawancara dengan peserta didik, orang tua/wali, dan pemilik lembaga homeschooling, dengan mengacu pada 8 indikator kemandirian belajar yang dikemukakan oleh Sumarmo dan Subliyanto. Hasilnya, teridentifikasi lima faktor internal dan satu faktor eksternal yang mempengaruhi rendahnya kemandirian belajar. Wawancara juga dilakukan terkait rendahnya pemahaman matematis dengan peserta didik, orang tua/wali, dan tutor matematika, berdasarkan pada faktor kemampuan pemahaman matematis yang dikemukakan oleh Kirk dan Gallagher, wawancara tersebut menghasilkan dua faktor internal dan satu faktor eksternal. Berdasarkan hasil penelitian diperoleh bahwa: a) terdapat lima faktor internal dan satu faktor eksternal yang mempengaruhi rendahnya kemandirian belajar pada peserta didik di Pride Homeschooling Kota Tasikmalaya. Faktor internal tersebut diantaranya; kurangnya inisiatif belajar peserta didik; preferensi terhadap aktivitas hiburan; kurangnya kemampuan peserta didik untuk menjalin kerjasama dalam pembelajaran; kurangnya kemampuan peserta didik dalam melaksanakan strategi belajar yang efektif; serta kurangnya kemampuan peserta didik untuk melaksanakan evaluasi belajar secara mandiri. faktor eksternal yang mempengaruhi rendahnya kemandirian belajar yaitu pendampingan yang minimal dari orang tua dalam pembelajaran, b) terdapat dua faktor internal dan satu faktor eksternal yang mempengaruhi rendahnya kemampuan pemahaman matematis peserta didik di Pride Homeschooling Kota Tasikmalaya. faktor internal tersebut adalah kurangnya motivasi peserta didik dalam pembelajaran matematika dan kurangnya kepercayaan diri peserta didik dalam pembelajaran matematika. Faktor eksternal yang teridentifikasi yaitu kurangnya kemampuan tutor dalam menjelaskan manfaat pembelajaran matematika dalam kehidupan sehari-hari.
Eksplorasi Etnomatematika pada Batu Kubur dan Rumah Adat di Kampung Wailolung Kabupaten Sumba Tengah
Authors: Saga Eklesia Bodu , Lede Yulius Keremata , Cordia Grassiana Misseri , Making Samuel Rex Mulyadi
Published: September 2024

Penelitian ini dilakukan untuk mengetahui tentang proses dan unsur-unsur matematika yang terdapat pada pembuatan batu kubur dan pembangunan rumah adat di Kampung Wailolung Kabupaten Sumba Tengah. Penelitian ini dilakukan di Kampung Wailolung, Kabupaten Sumba Tengah, NTT. Jenis penelitian ini merupakan penelitian kualitatif deskriptif. Data yang dikumpulkan berupa hasil dokumentasi dan wawancara. Dari hasil wawancara diperoleh bahwa proses pembuatan batu kubur dan pembangunan rumah adat di Kampung Wailolung melibatkan tiga tahap utama yaitu perencanaan, persiapan dan pelaksanaan. Setiap tahapan mencakup berbagai aktivitas etnomatematika seperti menghitung, mengukur, merancang dan menjelaskan. Kami menemukan bahwa  unsur-unsur matematika pada proses pembuatan batu kubur yaitu pengukuran dan geometri, konversi satuan, estimasi anggara dan statistika deskriptif serta ditemukan unsur-unsur matematika pada proses pembangunan rumah adat yaitu pengukuran dan penentuan ukuran, kalkulasi dan estimasi, waktu dan biaya, serta geometri dan struktur.
Implementasi Problem Based Learning Terintegrasi Pendekatan Teaching at The Right Level dalam Meningkatkan Hasil Belajar Siswa
Authors: Setyawati Dwi Utami , Dewi Ida Ayu Made Ratna , Hayati Laila
Published: September 2024

Seiring berjalannya waktu, hasil belajar yang ditunjukkan oleh siswa mengalami penurunan yang disebabkan oleh ketidakseimbangnya kemampuan yang dimiliki antar siswa di dalam kelas. Dari permasalahan tersebut maka peniliti memberikan solusi dengan melakukan penelitian yang bertujuan untuk meningkatkan hasil belajar siswa dengan menerapkan model pembelajaran Problem Based Learning (PBL) yang terintegrasi dengan pendekatan Teaching at the Right Level (TaRL). Adapun jenis penelitian yang digunakan adalah Penelitian Tindakan Kelas dengan subjek penelitian siswa kelas X-3 di SMAN 3 Mataram yang dilaksanakan pada semester genap tahun akademik 2023/2024. Dalam penelitian ini, instrumen penelitian yang digunakan adalah asesmen formatif yang telah dilakukan validasi oleh dua guru matematika di SMAN 3 Mataram. Analisis data dilakukan menggunakan proses deskriptif kuantitatif, yang mana hal pertama yang dilakukan oleh peneliti dengan mengumpulkan hasil belajar siswa terlebih dahulu, lalu menghitung nilai dan menghitung persentase ketuntasan belajar secara klasikal apabila hasil belajar siswa telah mencapai KKM yaitu 75, maka dapat disimpulkan bahwa siswa telah tuntas dalam belajar. Hasil penelitian menunjukkan model pembelajaran Problem Based Learning terintegrasi  Teaching at the Right Level (TaRL) dapat meningkatkan hasil belajar matematika.
Pengaruh Keterlibatan Belajar terhadap Prestasi Belajar Mahasiswa pada Mata Kuliah Statistik
Authors: Nur Muhammad Awal
Published: September 2024

Mata kuliah statistik sering kali dianggap sebagai mata kuliah yang sulit dan tidak disukai oleh banyak mahasiswa sehingga berdampak pada keterlibatan belajar dikelas dan prestasi belajar mahasiswa. Penelitian ini bertujuan untuk mendeskripsikan: (1) sejauhmana keterlibatan belajar statistik berpengaruh terhadap prestasi belajar mahasiswa; dan (2) seberapa besar pengaruh keterlibatan belajar statistik berpengaruh terhadap prestasi belajar mahasiswa. Jenis penelitian kuantitaftif ex-post facto yang bersifat kausalitas dengan melibatkan mahasiswa jurusan PGSD Kampus VI UNM Bone Angkatan 32. Teknik pengambilan sampel yang dilakukan melalui random sampling dengan jumlah sampel 109 mahasiswa. Instrumen yang digunakan adalah skala keterlibatan belajar statistik dan prestasi belajar mahasiswa pada mata kuliah statistik. Data dikumpulkan melalui pengisian google form yang berisi skala keterlibatan belajar  statistik yang di sebar melalui grup whatshapp. Hasil penelitian menunjukkan bahwa terdapat pengaruh positif dan signifikan antara keterlibatan belajar statistik  terhadap prestasi belajar mahasiswa dan besarnya pengaruh sebesar 21,3%. Hasil penelitian ini memberikan saran kepada tenaga pengajar khususnya dosen agar dalam pembelajaran dikelas hendaknya mahasiswa berpatisipasi aktif  agar keterlibatan belajar mahasiswa meningkat. Peneliti juga menyarankan pengembangan pembelajaran dengan melibatkan keterlibatan belajar mahasiswa untuk menjadi perhatian serius dan melakukan penelitian lanjutan terkait faktor psikososial, kurikulum, atau aspek budaya lain yang tidak termasuk dalam penelitian ini
Reflexos da pandemia de covid-19 nas orientações para a prática do cirurgião dentista
Authors: Sampaio dos Santos Ivonise , Lima Costa de Menezes Erica , Scherer Magda Duarte dos Anjos
Published: September 2024

Objetivo: analisar os reflexos da pandemia de COVID-19 nas orientações para a prática do cirurgião-dentista. Método: trata-se de pesquisa qualitativa do tipo análise documental em fontes primárias. Foram incluídos 31 documentos que continham orientações para o trabalho dos cirurgiões-dentistas durante a pandemia em sítios eletrônicos de instituições federais e de uma instituição internacional. Os documentos foram sistematizados em orientações para o trabalho do cirurgião-dentista e reflexos das orientações na prática profissional. Resultados: as orientações tratam de biossegurança, suspensão dos atendimentos eletivos, discricionaridade do profissional para atuar e novas modalidades de serviços odontológicos com reflexos nos procedimentos antes, durante e após o atendimento, e na atuação multiprofissional e comunitária. Conclusão: a prática do cirurgião-dentista mudou orientações no período pandêmico. A dinâmica de adaptação atendeu exigências relativas à manutenção da segurança das pessoas dividindo-se em duas grandes vertentes: orientações para o trabalho do cirurgião-dentista e reflexos para orientações na prática profissional.
SOPHIA, A ALEGRIA DA CASA: SOPHIA É APRESENTADA À ECONOMIA
Authors: de Lima Ferreira Ubirajara
Published: September 2024

O capítulo VI do livro "Sophia, a Alegria da Casa" apresenta Sophia, uma menina curiosa e inteligente, sendo introduzida ao conceito de economia. Crescendo em uma pequena cidade do interior de Goiás, Sophia observa seus pais, Maurício e Mirlayne, trabalhando arduamente para sustentar a família. Maurício, com suas mãos calejadas pelo trabalho como mestre de obras na construção civil, e Mirlayne, gerenciando a padaria e a economia doméstica, ensinam a Sophia o valor do trabalho, do dinheiro e do tempo. Numa tarde ensolarada, Sophia questiona seu pai sobre a razão de ele trabalhar tanto. Maurício, com paciência, explica que o trabalho é mais do que uma forma de ganhar dinheiro; é uma maneira de construir caráter, mostrar respeito e honrar os dons dados por Deus. Ele enfatiza que o trabalho honesto aproxima as pessoas de seus sonhos e de Deus, ensinando a importância da dedicação e da honestidade. Sophia aprende que, mesmo sendo criança, suas pequenas contribuições em casa, como ajudar nas tarefas domésticas, são formas de trabalho que têm valor. Seus pais introduzem o conceito de mesada para que ela aprenda a gerenciar seu próprio dinheiro, entendendo a importância da poupança e da responsabilidade financeira. Mirlayne ensina Sophia a diferenciar entre necessidades e desejos, mostrando como planejar compras e economizar. A experiência prática de Sophia com a economia se intensifica durante uma visita à feira municipal de Santa Terezinha de Goiás. A feira, um evento semanal vibrante, oferece a Sophia uma oportunidade de usar suas economias para fazer compras. Com a orientação de seus pais, ela aprende a fazer escolhas conscientes, a lidar com troco e a valorizar cada moeda. Na feira, Sophia interage com vendedores locais, como Seu Joaquim, que vende pamonhas, e Seu Manezin, que oferece caldo de cana. Essas interações ensinam a Sophia sobre negociação, consumo consciente e a importância de apoiar a economia local. Ela também percebe que a feira é um espaço de cultura e aprendizado, onde as pessoas trabalham duro para oferecer o melhor de si. Ao final do dia, Sophia não apenas se diverte, mas também aprende lições valiosas sobre economia, trabalho e escolhas conscientes. A feira se torna um livro aberto, onde cada experiência contribui para seu entendimento sobre o valor do dinheiro, a verdadeira riqueza das pessoas e a vida em comunidade. Sophia compreende que a verdadeira riqueza não está na quantidade de dinheiro, mas na forma como se vive e valoriza o que realmente importa: o amor, a família e a vida.
ALGORITHM FOR AUTOMATIC DETECTION OF DEFECTS IN WELDED JOINTS IN A VIDEO SEQUENCE BASED ON COMPARISON OF BRIGHTNESS HISTOGRAMS
Authors:   Восточно-Казахстанский технический университет им. Д. Серикбаева, Емельянова М.
Published: September 2024

В работе рассматривается задача автоматического обнаружения поверхност- ных дефектов сварных соединений труб из нержавеющей стали в ходе их изготовления. Пред- лагается алгоритм решения поставленной задачи на основе метода сравнения гистограмм распределения яркости цифровых изображений. Проведены экспериментальные исследования работы алгоритма путём обработки кадров видеопоследовательностей, полученных со статичной камеры. Алгоритм позволяет выявить наличие дефектов и локализовать области дефектов на кадрах видеопоследовательностей. Проведённые исследования подтвердили работоспособность алгоритма.
Observational perspective on sudden stratospheric warmings and blocking from Eliassen–Palm fluxes
Authors: Yessimbet Kamilya , Steiner Andrea K. , Ladstädter Florian , Ossó Albert
Published: September 2024

Abstract. In this study, we examine eight major boreal sudden stratospheric warming (SSW) events between 2007 and 2019 to understand the vertical coupling between the troposphere and stratosphere as well as the relationship between SSWs and blocking events using global navigation satellite system (GNSS) radio occultation (RO) observations. Our study covers the main aspects of SSW events, including the vertical structure of planetary-wave propagation, static stability, geometry of the polar vortex, and occurrence of blocking events. To analyze wave activity and atmospheric circulation, we compute the quasi-geostrophic Eliassen–Palm (EP) flux and geostrophic winds. The results show that the observations agree with theory and previous studies in terms of the primary dynamic features and provide a detailed view of their vertical structure. We observe a clear positive peak of upward EP flux in the stratosphere prior to all SSW events. In seven out of eight events, this peak is preceded by a clear peak in the troposphere. Within the observed timeframe, we identify two types of downward dynamic interactions and the emergence of blocking events. During the 2007 and 2008 “reflecting” events, we observe a displacement of the polar vortex along with a downward propagation of wave activity from the stratosphere to the troposphere during vortex recovery, coinciding with the formation of blocking in the North Pacific region. Conversely, in the other six SSW “absorbing” events from 2009 to 2019, which were characterized by a vortex split, we observe wave absorption and the subsequent formation of blocking in the Euro-Atlantic region. The analysis of the static stability demonstrates an enhancement of the polar tropopause inversion layer as the result of SSWs, which was stronger for the absorbing events. Overall, our study provides an observational view of the synoptic and dynamic evolution of the major SSWs, their link to blocking, and the impact on the polar tropopause.
A statistical analysis of zircon age distributions in volcanic, porphyry and plutonic rocks
Authors: Nathwani Chetan , Szymanowski Dawid , Tavazzani Lorenzo , Markovic Sava , Virmond Adrianna L. , Chelle-Michou Cyril
Published: September 2024

Abstract. The distribution of zircon crystallisation ages in igneous rocks has been proposed to provide insights into the dynamics of underlying magma reservoirs. However, the ability to interpret magmatic processes from an age distribution is challenged by a complex interplay of factors such as sampling biases, analytical uncertainties and incorporation of extraneous zircon grains. Here, we used a compilation of magmatic zircon U-Pb ages measured by chemical abrasion isotope dilution thermal ionisation mass spectrometry (CA-ID-TIMS) to quantify the differences that exist among zircon U-Pb age distributions from different magmatic systems. The compiled dataset was rigorously filtered through a number of processing steps to isolate age distributions least impacted by sampling biases and analytical factors. We also filter the database using a new algorithm to systematically identify and remove old outliers from age distributions. We adopt the Wasserstein distance as a dissimilarity metric to quantify the difference between the shapes of age distributions. Principal component analysis of a dissimilarity matrix of pairwise Wasserstein distances of age distributions reveals a difference between zircon age distributions found in plutonic, porphyry and volcanic rocks. Volcanic and porphyry zircon populations exhibit a skew towards younger ages in their distributions, whereas plutonic age distributions skew towards older ages. Using a bootstrap sampling approach to generate synthetic age distributions, we show that this difference can be predominantly ascribed to truncation of zircon crystallisation during volcanic eruptions and porphyry dyke emplacement, which leads to a younger skew. We also find that higher magmatic flux can contribute to the younger skew of volcanic and porphyry zircon age distributions, though we emphasise that no difference in flux is required given the strong effect of truncation on zircon age distributions. Given the multitude of factors that influence zircon age distributions, we urge caution when quantifying the thermal evolution of crustal magma bodies using zircon age distributions integrated with numerical models.
Extreme blocking ridges are associated with large wildfires in England
Authors: Little Kerryn , Castellanos-Acuna Dante , Kettridge Nicholas , Flannigan Mike , Jain Piyush
Published: September 2024

Abstract. Persistent positive anomalies in 500 hPa geopotential heights (PPAs) are an event-based paradigm for tracking specific large scale atmospheric patterns that often correspond to blocking events. PPAs are associated with hot, dry surface weather conditions that promote fuel aridity and wildfire activity. We examine the importance of PPA events for surface fire weather across the UK and wildfires in England, a temperate, emerging fire prone region. Surface fire weather is more extreme under PPAs, characterised by reduced precipitation and anomalously high temperatures. Overall, 34 % of England’s burned area and 16 % of all wildfire events occur during or up to five days following the presence of a PPA event. PPAs are generally more strongly associated with wildfire burned area than ignition frequency. The percentage of PPAs associated with wildfire events increases with increasing fire size, with PPAs being associated with half of wildfire events > 500 ha. PPAs are most important for heathland/moorland (40 % burned area) followed by grassland (30 % burned area) wildfires and are more important during the summer wildfire season. Synoptic-scale indicators of wildfire activity like PPAs may improve longer-term fire weather forecasts beyond surface fire weather indices alone, aiding wildfire preparedness and management decision-making. This is particularly important in emerging fire prone regions where wildfire risk is increasing but established tools for assessing fire danger may not yet exist.
Merging and serving Ocean Observations: a description of Marine Data Aggregators
Authors: Novellino Antonio , Le Traon Pierre-Yves , Moore Andy
Published: September 2024

Abstract. Observations are a fundamental element in ocean predictions: they are crucial not only for monitoring the ocean state, but also for improving the forecasting systems and validating the model outputs. In this framework, it is essential to adequately access, manage, and integrate such information in the ocean value chain. Data providers are in charge of collecting, processing and analyzing these observations, delivering comprehensive datasets that can be used for informed decision making and by forecasters to improve ocean models. In this paper, several examples of data services are discussed – ranging from the Copernicus Marine In-Situ Thematic Assembly Center to European Marine Observation and Data network (EMODnet) to SeaDataNet – recognized as key players in the framework of monitoring and management of the marine resource. The paper offers an outlook on future directions in ocean data integration, particularly on the opportunities offered by the standardization of protocols for data dissemination and the role of cost-effective and citizen-based data collection.