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  Subjects -> SCIENCES: COMPREHENSIVE WORKS (Total: 374 journals)
Showing 201 - 265 of 265 Journals sorted alphabetically
Jurnal Sains Dasar     Open Access  
Jurnal Teknosains     Open Access  
Jurnal Udayana Mengabdi     Open Access  
Karaelmas Science and Engineering Journal     Open Access  
Karbala International Journal of Modern Science     Open Access  
Kennedy Institute of Ethics Journal     Full-text available via subscription   (Followers: 10)
LOGIKA Jurnal Ilmiah Lemlit Unswagati Cirebon     Open Access  
Logo STI Science, Technology and Innovation     Open Access   (Followers: 1)
Makara Journal of Science     Open Access  
Malawi Journal of Science and Technology     Open Access   (Followers: 6)
Maskana     Open Access  
MethodsX     Open Access   (Followers: 1)
Metode & Forskningsdesign     Open Access  
Mètode Science Studies Journal : Annual Review     Open Access  
Middle East Journal of Science     Open Access  
Middle European Scientific Bulletin     Open Access   (Followers: 2)
Modern Applied Science     Open Access   (Followers: 1)
Momona Ethiopian Journal of Science     Open Access   (Followers: 5)
MUST : Journal of Mathematics Education, Science and Technology     Open Access   (Followers: 4)
Mutis     Open Access  
National Academy Science Letters     Hybrid Journal   (Followers: 3)
National Science Review     Hybrid Journal   (Followers: 1)
Natural Sciences     Open Access  
Natural Sciences Education     Hybrid Journal  
Naturen     Full-text available via subscription  
Nepal Journal of Science and Technology     Open Access  
Network Science     Hybrid Journal   (Followers: 4)
New Directions in the Teaching of Physical Sciences     Open Access   (Followers: 2)
Nordic Journal of Science and Technology     Open Access   (Followers: 2)
Nordic Studies in Science Education     Open Access   (Followers: 3)
Nova     Open Access  
Nuncius     Hybrid Journal   (Followers: 2)
OmniScience : A Multi-disciplinary Journal     Full-text available via subscription   (Followers: 1)
Open Conference Proceedings Journal     Open Access  
Open Journal of Applied Sciences     Open Access  
Orbis Cógnita : Revista Científica     Open Access   (Followers: 3)
Patterns     Open Access   (Followers: 6)
PENDIPA : Journal of Science Education     Open Access  
People and Nature     Open Access   (Followers: 4)
Población y Desarrollo - Argonautas y caminantes     Open Access  
Politique et Sociétés     Full-text available via subscription   (Followers: 1)
Portal de la Ciencia     Open Access  
Proceedings of the Indian National Science Academy     Full-text available via subscription  
Proceedings of the Linnean Society of New South Wales     Full-text available via subscription   (Followers: 2)
Proceedings of the Royal Society of Queensland, The     Full-text available via subscription  
QScience Connect     Open Access  
Quantum Science and Technology     Hybrid Journal   (Followers: 5)
RAC: Revista Angolana de Ciências     Open Access  
Rafidain Journal of Science     Open Access  
Rehabilitation Research, Policy, and Education     Hybrid Journal   (Followers: 2)
Rekayasa     Open Access  
Reportes Científicos de la FaCEN     Open Access  
Reports in Advances of Physical Sciences     Open Access  
Research     Open Access   (Followers: 5)
Research Ideas and Outcomes     Open Access  
Research Integrity and Peer Review     Open Access  
Research Policy : X     Open Access   (Followers: 4)
Respuestas     Open Access  
Reviews in Theoretical Science     Full-text available via subscription  
Revista Bases de la Ciencia     Open Access  
Revista Binacional Brasil - Argentina: Diálogo entre as ciências     Open Access  
Revista Brasileira de Iniciação Científica     Open Access  
Revista Catarinense da Ciência Contábil     Open Access  
Revista Ciencia y Tecnología     Open Access  
Revista Ciência, Tecnologia & Ambiente     Open Access  
Revista Científica de la FAREM     Open Access  
Revista Científica de la Universidad Nacional del Este     Open Access   (Followers: 6)
Revista Cientifica Guillermo de Ockham     Open Access  
Revista Científica y Tecnológica UPSE     Open Access  
Revista Conhecimento Online     Open Access  
Revista Crítica de Ciências Sociais     Open Access  
Revista de Ciencia y Tecnología     Open Access  
Revista de Información Científica     Open Access  
Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales     Open Access  
Revista de la Sociedad Científica del Paraguay     Open Access  
Revista de la Universidad del Zulia     Open Access  
Revista Eletrônica Ludus Scientiae     Open Access  
Revista Logos Ciencia & Tecnología     Open Access  
Revista MundoFesc     Open Access  
Revista Politécnica     Open Access  
Revista Saber Digital     Open Access   (Followers: 1)
Revista Sociedad y Economía     Open Access  
Revista Tecnológica     Open Access  
Revista Theoria     Open Access   (Followers: 1)
Revista UNIMAR     Open Access  
Revista UniVap     Open Access  
Revista Vivências em Ensino de Ciências     Open Access   (Followers: 1)
Rihan Journal for Scientific Publishing     Open Access  
Royal Society Open Science     Open Access   (Followers: 7)
Ruhuna Journal of Science     Open Access  
Sainstek : Jurnal Sains dan Teknologi     Open Access  
SAINSTIS     Open Access  
Sainteknol : Jurnal Sains dan Teknologi     Open Access  
Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi     Open Access  
Scholedge International Journal of Multidisciplinary & Allied Studies     Open Access  
Sci     Open Access  
Science     Full-text available via subscription   (Followers: 4651)
Science & Diplomacy     Free   (Followers: 3)
Science & Technology Studies     Open Access   (Followers: 3)
Science Advances     Free   (Followers: 34)
Science and Technology     Open Access   (Followers: 2)
Science Diliman     Open Access  
Science Heritage Journal     Open Access  
Science World Journal     Open Access  
Science, Technology and Arts Research Journal     Open Access   (Followers: 1)
ScienceRise     Open Access  
Sciences du jeu     Open Access  
Sciential     Open Access  
Scientific African     Open Access  
Scientific American     Full-text available via subscription   (Followers: 477)
Scientific American Mind     Full-text available via subscription   (Followers: 10)
Scientific Bulletin     Open Access  
Scientific Data     Open Access   (Followers: 6)
Scientific Journal of Mehmet Akif Ersoy University     Open Access  
Scientific Journal of Pure and Applied Sciences     Open Access   (Followers: 1)
Scientific Reports     Open Access   (Followers: 88)
Scientific World     Open Access  
Scientonomy : Journal for the Science of Science     Open Access   (Followers: 1)
Scienze Regionali : Italian Journal of Regional Science     Full-text available via subscription   (Followers: 18)
Selforganizology     Open Access  
Seminário de Iniciação Científica e Seminário Integrado de Ensino, Pesquisa e Extensão     Open Access  
Simbiótica     Open Access  
SINET : Ethiopian Journal of Science     Open Access   (Followers: 5)
Smart Science     Open Access  
South African Journal of Science     Open Access   (Followers: 2)
South American Sciences     Open Access  
South East European University Review (SEEU Review)     Open Access   (Followers: 2)
Springer Science Reviews     Hybrid Journal   (Followers: 2)
Studies in Science Education     Hybrid Journal   (Followers: 18)
Sultan Qaboos University Journal for Science     Open Access  
Tanzania Journal of Science     Open Access   (Followers: 4)
TD : The Journal for Transdisciplinary Research in Southern Africa     Open Access  
Technologies     Open Access   (Followers: 1)
TECNOSCIENZA: Italian Journal of Science & Technology Studies     Open Access   (Followers: 1)
Temas y Debates     Open Access  
The Innovation     Open Access  
The Scientific World Journal     Open Access  
The Social Studies     Hybrid Journal   (Followers: 3)
The Winnower     Open Access  
Theoria     Open Access   (Followers: 3)
THEORIA : An International Journal for Theory, History and Foundations of Science     Full-text available via subscription   (Followers: 1)
Transactions of Tianjin University     Full-text available via subscription  
Trilogía     Open Access  
TÜBAV Bilim Dergisi     Open Access  
Türk Bilim ve Mühendislik Dergisi     Open Access  
Tydskrif vir Geesteswetenskappe     Open Access  
Uluslararası Bilimsel Araştırmalar Dergisi (IBAD)     Open Access   (Followers: 1)
UNED Research Journal / Cuadernos de Investigación UNED     Open Access  
Uni-pluriversidad     Open Access  
Uniciencia     Open Access  
Universidad, Ciencia y Tecnología     Open Access  
Universitas (León)     Open Access  
Universitas Scientiarum     Open Access  
Unnes Science Education Journal     Open Access  
Vilnius University Proceedings     Open Access  
Walailak Journal of Science and Technology     Open Access  
WikiJournal of Science     Open Access  
World Scientific Research     Open Access  
Zeitschrift für Didaktik der Naturwissenschaften     Hybrid Journal  
Образование и наука     Open Access   (Followers: 1)
Східно-Європейський журнал передових технологій : Eastern-European Journal of Enterprise Technologies     Open Access   (Followers: 3)

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Scientific Journal of Mehmet Akif Ersoy University
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Online) 2651-3722
Published by Mehmet Akif Ersoy Üniversitesi Homepage  [5 journals]
  • Implementation of XGBoost Method for Healthcare Fraud Detection

    • Authors: Elvan DUMAN
      Abstract: The health care systems are quickly adapting digital health records, which will exponentially increase the quantity of medical data. The systems are generally faced with unsustainable costs and large volumes of electronic medical data. Therefore, more efficient research, practices, and real-world applications are needed to take advantage of all benefits of medical data. One strategy to cut back on the rising costs is the detection of fraud. In this paper, XGBoost, which is an implementation of gradient-boosted decision trees, was employed, along with supervised algorithms to include Random Forest, Logistic regression, and decision trees. The List of Excluded Individuals/Entities (LEIE) database, which contains excluded providers' information, was used to label as a fraud in the Medicare Part B dataset. Thus, the data has become available for use with supervised methods. According to the experimental results, the XGBoost algorithm outperformed traditional machine learning algorithms in terms of performance.
      PubDate: Sat, 31 Dec 2022 00:00:00 +030
       
  • STUDENT PERCEPTIONS ABOUT PHYSICS COURSE: AN EXAMPLE
           FOR HIGH SCHOOL

    • Authors: Bekir ORUNCAK; Zehra Nur ÖZER, Mehmet ÖZKAN
      Abstract: This study was carried out with the aim of determining the perceptions developed by high school students towards the physics course. The universe of the study is the students who take physics lessons at the 1st grade of high school in private and public schools in the central district of a medium-development Anatolian city. As a sample, a questionnaire was applied to a total of 548 students. Although this group has differences; They also have common denominators such as having the same formal educational background, being subject to the same central qualifying exams, and having been taking physics lessons for 6 weeks at the high school level. 7 attitude sentences with positive or negative meanings were determined for the viewpoint of the physics lesson, and with these sentences, a five-point Likert type scale was formed, starting from "Strongly Disagree" to "Strongly Agree". The data obtained from the application were analyzed using the SPSS program and the reliability coefficient in terms of internal consistency of the applied scale was calculated as α=0.79. The findings obtained by the evaluation of the data and the suggestions for their solution is presented in the discussion and conclusion part.
      PubDate: Sat, 31 Dec 2022 00:00:00 +030
       
  • A Survey on Football Player Performance and Value Estimation Using Machine
           Learning Techniques

    • Authors: Vehbi Hakan SAYAN; Emrah HANÇER
      Abstract: The popularity of games like FIFA and Football Manager has attracted millions of players. Data plays an increasingly prominent role in these games. In other words, these games contain data from all soccer players worldwide, which can be used to simulate soccer games. Therefore, a lot of experts and a lot of tools are involved in producing football data. It is not only the production of this data that has attracted researchers, but also the analysis of it since useful and consistent information can be extracted from it to design real-world football applications. In this study, we introduce a survey of studies which focus on the prediction of player value/performance using machine learning techniques. As far as we know, there is no survey in the literature that specifically addresses this topic.
      PubDate: Sat, 31 Dec 2022 00:00:00 +030
       
  • Investigation of the Efficiency of Shortwave Diathermy Devices with
           Frequency and Power Measurement Application

    • Authors: Ömer Şahin ŞİMŞEK
      Abstract: Short Wave Diathermy (SWD); It is a physical therapy application method working with high frequency electromagnetic current, preferred in pathologies such as pain control, osteoarthrosis, fracture healing, joint contracture, muscle spasm, fibromyalgia, peripheral nerve repair, soft tissue healing in musculoskeletal injuries. SWD devices can cause serious biological effects such as tissue burns in the patient due to excessive radio frequency exposure due to malfunctioning and malfunctioning of the device, as well as having therapeutic properties. Likewise, the targeted effective treatment cannot be provided in cases such as insufficient output values for treatment due to lack of maintenance and calibration in the device. For this reason, it is necessary to check the output frequency and RF power values of the SWD devices used in health facilities at regular intervals, but it is observed that only electrical safety tests of the devices are still carried out in practice, due to the fact that the special equipment required for this process is monopolized by the manufacturer and it is high cost. In this study; The output frequency and RF power values of different types of SWD devices, which are registered in the inventory of Bursa İlker Çelikcan Physical Therapy and Rehabilitation Hospital and are actively used in patient treatments for Physical Therapy, were measured by certain methods, and it was aimed to determine their effectiveness in treatment by evaluating the device performances.
      PubDate: Sat, 31 Dec 2022 00:00:00 +030
       
  • COMPARATIVE ENERGETIC ANALYSIS OF A REFRIGERATION SYSTEM BY USING R123 AND
           ITS ALTERNATIVE R514A REFRIGERANTS

    • Authors: Ragıp YILDIRIM; Kazım KUMAŞ, Ali Özhan AKYÜZ
      Abstract: In this study, the energy analysis of a single-stage vapor compression refrigeration system operating with R514A refrigerant, which is used as an alternative to R123 refrigerant, has been made and compared. Within the scope of energy analysis, the mass flow rates of refrigerants, compressor energy consumption, cooling capacities, cooling effects (evaporator enthalpy difference), COPs, and discharge temperatures have been examined. It has been observed that R123 refrigerant has a higher mass flow rate and compressor energy consumption than R514A. In addition, although R123 has a low cooling effect, it has a higher cooling capacity than R514A, and this is because R123 has a high mass flow rate. R514A is superior to R123 in terms of discharge temperature. Finally, it has been seen that the COPSM of R514A is almost the same (slightly lower) as R123. As a result, the use of R514A in the cooling system will reduce direct emissions. However, the operating life of the system should be considered. In other words, indirect emissions (especially due to energy consumption) should not be neglected in the selection of refrigerants.
      PubDate: Sat, 31 Dec 2022 00:00:00 +030
       
  • Effects of Some Mechanical Properties of Fabrics Formed by Inclusion of
           Recycled Cotton in Production

    • Authors: Bekir YİTİK
      Abstract: In the blend of 1st fabric recycled cotton produced in this study, plain fabric was produced from 50% recycled cotton and 50% cotton compact yarns. 2. Fabric is a plain fabric made from 65% recycled cotton and 35% cotton using compact yarns. The tear strength, abrasion resistance and pilling performance of the fabrics were examined when the blending ratios of the cottons obtained from the recycling used in these fabrics increased. For this purpose, the tear strengths of 2 fabrics produced were examined. For the wear resistance, the pilling performance was investigated by determining the number of 5 rounds. 2000, 5000, 8000, 11000 and 14000 round numbers were used in the test used for abrasion resistance. Finally, it was checked how many rounds occurred in the fabric. According to the results obtained, 65% recycled cotton and 35% cotton were used in the recycled blend, and the tear strength decreased and pilling properties increased.
      PubDate: Sat, 31 Dec 2022 00:00:00 +030
       
  • DETERMINING THE CARBON FOOTPRINT OF TRANSPORTATION; THE CASE OF
           AFYONKARAHİSAR, TÜRKİYE

    • Authors: Kazım KUMAŞ; Ragıp YILDIRIM, Ali Özhan AKYÜZ
      Abstract: The increase in greenhouse gases released into the atmosphere is shown as the most important cause of climate change. Climate change will pose a great threat to the environment and human health in the future. In this study, the carbon footprint of the greenhouse gas emissions resulting from the consumption of fossil fuels, which have a significant effect on global warming, between the years 2017-2021 in Afyonkarahisar, Türkiye was calculated. The Tier 1 approach recommended by the Intergovernmental Panel on Climate Change (IPCC) was used in the calculation. Greenhouse gas emissions were obtained by calculating the emissions from CO2, CH4, and N2O gases separately and adding them after they were converted to CO2 equivalent. It has been determined that the highest carbon emission is caused by diesel fuel consumption, followed by LPG and benzine vehicles, respectively. The amount of carbon footprint, which was 1239.85 Gg in 2017, decreased to 1117.60 Gg in 2021. The last emission was realized in 2019 with 956.51 Gg. The amount of greenhouse gas emissions per capita was realized at the highest in 2017 at 173.2x10-5 Gg and at least in 2019 at 31.1x10-5 Gg.
      PubDate: Sat, 31 Dec 2022 00:00:00 +030
       
  • Evaluation of Total Greenhouse Gas Emissions of Countries With Tropical
           Climate

    • Authors: Bayram KILIÇ; Emre ARABACI, Ali ÖZ
      Abstract: Greenhouse gas emissions are the gases released into the atmosphere, directly or indirectly, as a result of different types of production and consumption processes. The use of fossil fuels, deforestation, agricultural practices, industrial processes and the livestock sector are human-induced actions that increase greenhouse gas emissions. Since greenhouse gases hold heat in the atmosphere, they increase the temperature and cause global warming and climate change with the effect of greenhouse gases. In this study, total greenhouse gas emissions values of 8 countries with tropical climate (Brazil, Nigeria, Venezuela, Colombia, Sudan, Bolivia and Chad) were investigated. It has been observed that among these countries, especially those with developed industries, have higher total greenhouse gas emission values. Among these countries, the highest total greenhouse gas emission value is approximately 1.5 billion tons in Brazil.
      PubDate: Sat, 31 Dec 2022 00:00:00 +030
       
  • Effects of the Wireless (2.45 GHz) Electromagnetic Fields on Blood Cells
           in Rat

    • Authors: Özlem COŞKUN; Seval TÜRK, Selçuk ÇÖMLEKÇİ
      Abstract: The study aims to investigate hematological parameters, blood cell diameters and shapes of rats exposed to 2.45 GHz wave frequency EMF. All of the subjects were divided in three groups as cage control group (n = 30), pseudo-exposure group (n = 30) and 2.45 GHz EMF exposed group (n = 30). The rats in the magnetic field group were exposed to a frequency of 2.45 GHz wave EMF power of 1 mW/cm2 for 120 minutes a day for 2 weeks. The effects of the electromagnetic field on blood levels in rats exposed to 2.45 GHz were compared. The mean lymphocyte count of 2.45 GHz group was lower than in the control group, the number of monocytes in the 2.45 GHz group was higher than the control group. The mean platelet count in the experimental group exposed 2.45 GHz was observed more intense than the control group. Exposure conditions of EMF emitted from wireless devices should be examined and in accordance with these terms the necessary corrections are being made and national standards should be determined. To continue research on this subject is important in terms of scientific and public health.
      PubDate: Sat, 31 Dec 2022 00:00:00 +030
       
 
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