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  Subjects -> SCIENCES: COMPREHENSIVE WORKS (Total: 374 journals)
Showing 201 - 265 of 265 Journals sorted by number of followers
Revista Científica de la Universidad Nacional del Este     Open Access   (Followers: 12)
History of Science and Technology     Open Access   (Followers: 5)
Orbis Cógnita : Revista Científica     Open Access   (Followers: 4)
Research Policy : X     Open Access   (Followers: 4)
Data     Open Access   (Followers: 4)
Advanced Theory and Simulations     Hybrid Journal   (Followers: 4)
Frontiers in Climate     Open Access   (Followers: 4)
MUST : Journal of Mathematics Education, Science and Technology     Open Access   (Followers: 4)
Journal of the Indian Institute of Science     Hybrid Journal   (Followers: 4)
Discover Sustainability     Open Access   (Followers: 3)
Journal of Composites Science     Open Access   (Followers: 3)
Research     Open Access   (Followers: 3)
Journal of Big History     Open Access   (Followers: 3)
Patterns     Open Access   (Followers: 3)
People and Nature     Open Access   (Followers: 3)
Science & Technology Studies     Open Access   (Followers: 3)
Citizen Science : Theory and Practice     Open Access   (Followers: 2)
Indonesian Journal of Science and Mathematics Education     Open Access   (Followers: 2)
International Journal of Culture and Modernity     Open Access   (Followers: 2)
Experimental Results     Open Access   (Followers: 1)
Global Journal of Science Frontier Research     Open Access   (Followers: 1)
International Journal of Innovative Research and Scientific Studies     Open Access   (Followers: 1)
Acta Scientifica Malaysia     Open Access   (Followers: 1)
Applied Mathematics and Nonlinear Sciences     Open Access   (Followers: 1)
Bilge International Journal of Science and Technology Research     Open Access   (Followers: 1)
Journal of Science and Engineering     Open Access   (Followers: 1)
Uluslararası Bilimsel Araştırmalar Dergisi (IBAD)     Open Access   (Followers: 1)
Journal of Science and Technology     Open Access   (Followers: 1)
AAS Open Research     Open Access   (Followers: 1)
ARPHA Conference Abstracts     Open Access   (Followers: 1)
Revista Vivências em Ensino de Ciências     Open Access   (Followers: 1)
iScience     Open Access   (Followers: 1)
Scientonomy : Journal for the Science of Science     Open Access   (Followers: 1)
Futures & Foresight Science     Hybrid Journal   (Followers: 1)
International Journal of Research in Science     Open Access   (Followers: 1)
Jaunujų mokslininkų darbai     Open Access   (Followers: 1)
Impact     Open Access   (Followers: 1)
Revista Saber Digital     Open Access   (Followers: 1)
Fundamental Research     Open Access  
BJHS Themes     Open Access  
South American Sciences     Open Access  
Middle European Scientific Bulletin     Open Access  
Journal of Alasmarya University     Open Access  
Research Integrity and Peer Review     Open Access  
Natural Sciences Education     Hybrid Journal  
Proceedings of the Indian National Science Academy     Full-text available via subscription  
Indian Journal of History of Science     Hybrid Journal  
RAC: Revista Angolana de Ciências     Open Access  
The Innovation     Open Access  
Journal of Responsible Technology     Open Access  
Natural Sciences     Open Access  
Revista de la Sociedad Científica del Paraguay     Open Access  
Rekayasa     Open Access  
Rihan Journal for Scientific Publishing     Open Access  
Türk Bilim ve Mühendislik Dergisi     Open Access  
ArtefaCToS : Revista de estudios sobre la ciencia y la tecnología     Open Access  
Ethiopian Journal of Sciences and Sustainable Development     Open Access  
Vilnius University Proceedings     Open Access  
Sciential     Open Access  
ARPHA Proceedings     Open Access  
Gaudium Sciendi     Open Access  
Crea Ciencia Revista Científica     Open Access  
Rafidain Journal of Science     Open Access  
Journal of Al-Qadisiyah for Pure Science     Open Access  
Revista Tecnológica     Open Access  
Himalayan Journal of Science and Technology     Open Access  
International Journal of Academic Research in Business, Arts & Science     Open Access  
Universidad, Ciencia y Tecnología     Open Access  
Fides et Ratio : Revista de Difusión Cultural y Científica     Open Access  
Acta Nova     Open Access  
Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales     Open Access  
Entre Ciencia e Ingeniería     Open Access  
Revista Politécnica     Open Access  
Reportes Científicos de la FaCEN     Open Access  
Jurnal Ilmiah Ilmu Terapan Universitas Jambi : JIITUJ     Open Access  
Revista Eletrônica Ludus Scientiae     Open Access  
Emergent Scientist     Open Access  
Journal of Scientific Research and Reports     Open Access  
Asian Journal of Advanced Research and Reports     Open Access  
Archives of Current Research International     Open Access  
Advances in Research     Open Access  
International Journal of Applied Science     Open Access  
Iranian Journal of Science and Technology, Transactions A : Science     Hybrid Journal  
J : Multidisciplinary Scientific Journal     Open Access  
Revista Binacional Brasil - Argentina: Diálogo entre as ciências     Open Access  
Revista Ciencia y Tecnología     Open Access  
Journal of Institute of Science and Technology     Open Access  
Journal of Science (JSc)     Open Access  
WikiJournal of Science     Open Access  
Acta Materialia Transilvanica     Open Access  
Integrated Research Advances     Open Access  
PENDIPA : Journal of Science Education     Open Access  
Open Conference Proceedings Journal     Open Access  
Naturen     Full-text available via subscription  
Ekaia : EHUko Zientzia eta Teknologia aldizkaria     Open Access  
Sci     Open Access  
Maskana     Open Access  
Hoosier Science Teacher     Open Access  
Reports in Advances of Physical Sciences     Open Access  
Facets     Open Access  
Adıyaman University Journal of Science     Open Access  
Revista Brasileira de Iniciação Científica     Open Access  
Communications Faculty of Sciences University of Ankara Series A2-A3 Physical Sciences and Engineering     Open Access  
Scientific African     Open Access  
Scientific Journal of Mehmet Akif Ersoy University     Open Access  
Black Sea Journal of Engineering and Science     Open Access  
Fırat University Turkish Journal of Science & Technology     Open Access  
Gazi University Journal of Science     Open Access  
Middle East Journal of Science     Open Access  
International Journal of Computational and Experimental Science and Engineering (IJCESEN)     Open Access  
International Journal of Engineering, Technology and Natural Sciences     Open Access  
Bulletin of the National Research Centre     Open Access  
Uni-pluriversidad     Open Access  
ConCiencia     Open Access  
Ciencia y Tecnología     Open Access  
Revista Bases de la Ciencia     Open Access  
Elkawnie : Journal of Islamic Science and Technology     Open Access  
Ciência ET Praxis     Open Access  
Arab Journal of Basic and Applied Sciences     Open Access  
International Annals of Science     Open Access  
Science Heritage Journal     Open Access  
Avrasya Terim Dergisi     Open Access  
International Scientific and Vocational Studies Journal     Open Access  
TÜBAV Bilim Dergisi     Open Access  
LOGIKA Jurnal Ilmiah Lemlit Unswagati Cirebon     Open Access  
Dalat University Journal of Science     Open Access  
Investiga : TEC     Open Access  
Investigación Joven     Open Access  
Respuestas     Open Access  
Science Diliman     Open Access  
Instruments     Open Access  
Revista Científica y Tecnológica UPSE     Open Access  
HardwareX     Open Access  
Sultan Qaboos University Journal for Science     Open Access  
Borneo Journal of Resource Science and Technology     Open Access  
Sainstek : Jurnal Sains dan Teknologi     Open Access  
Revista de Información Científica     Open Access  
Indonesian Journal of Fundamental Sciences     Open Access  
Sainteknol : Jurnal Sains dan Teknologi     Open Access  
Jurnal Natural     Open Access  
Frontiers for Young Minds     Open Access  
Revista Ciência, Tecnologia & Ambiente     Open Access  
Journal of Indian Council of Philosophical Research     Hybrid Journal  
Journal of Negative and No Positive Results     Open Access  
Revista Conhecimento Online     Open Access  
Nova     Open Access  
CienciaUAT     Open Access  
Enseñanza de las Ciencias : Revista de Investigación y Experiencias Didácticas     Open Access  
Makara Journal of Science     Open Access  
Jurnal Sains Dasar     Open Access  
Indonesian Journal of Science and Technology     Open Access  
Ethiopian Journal of Science and Technology     Open Access  
Jurnal Matematika, Sains, Dan Teknologi     Open Access  
Heidelberger Jahrbücher Online     Open Access  
ARO. The Scientific Journal of Koya University     Open Access  
International Journal of Recent Contributions from Engineering, Science & IT     Open Access  
Estação Científica (UNIFAP)     Open Access  
The Winnower     Open Access  

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Sainstek : Jurnal Sains dan Teknologi
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2085-8019 - ISSN (Online) 2580-278X
Published by IAIN Batusangkar Homepage  [2 journals]
  • Chemical Analyze of Beta-Carotene in Indonesia Local Fruit

    • Authors: Elfira Maya Sari, Afrinia Eka Sari
      Pages: 1 - 6
      Abstract: Indonesia has different types of plants and fruits. Fruits, vegetables, and tubers can contain beta-carotene and are antioxidants. Generally, local fruits have bright colors such as red, orange and yellow, such as mango, papaya, orange, persimmon, etc. The purpose of this study was to identify beta-carotene compounds found in fruit. The findings are designed to inform the public about the importance of beta-carotene in fruit. The samples measured in this study included pineapple, papaya, guava, Medan orange, star fruit, melon, mango, banana, and dragon. All samples are from traditional markets in Bekasi. The research method used was UV-Vis spectrophotometry. Beta-carotene measurements were performed at a wavelength of 450 nm. The highest content of beta-carotene was found in pineapple at 123.36 micrograms per milliliter, while the lowest was found in dragon fruit, at 2.253 micrograms per milliliter. Pineapple flesh contains sugar, vitamins, minerals, and retinol, and its pale yellow color indicates the presence of beta-carotene.
      PubDate: 2022-06-30
      DOI: 10.31958/js.v14i1.5740
      Issue No: Vol. 14, No. 1 (2022)
       
  • Corn Husk as Anionic Surfactant Biosorbent in Detergent Waste

    • Authors: Mifta Audina, Ade Oktasari, Damayanti Iskandar
      Pages: 7 - 14
      Abstract: Corn Husk contains cellulose which has potential to become a biosorbent of anionic surfactant. This research aimed to know the optimum mass of corn husk biosorbent to reduce the amount of anionic surfactant in detergent waste and knew the characteristic of the biosorbent pores by using Scanning Electron Microscope (SEM). This research used activation method by using NaOH 5 % for 90 minutes, and used mass variation 28 gr, 32 gr, 36 gr. The amount of anionic surfactant was determined with MBAS method. The result of SEM showed that the diameter of the biosorbent pores got larger after being activated from 2.12 nm to 3.41 nm. This experiment showed that activation had removed lignin which was bound to cellulose. The optimum mass of biosorbent was 32 gr which had reduced the amount of anionic surfactant from 92.8 mg/l to 77.9 mg/l with maximum adsorption capacity 0.1862 mg/g.
      PubDate: 2022-06-30
      DOI: 10.31958/js.v14i1.3083
      Issue No: Vol. 14, No. 1 (2022)
       
  • HOTS-Based Integrative E-Module Development On Self-Regulated Learning
           Learners

    • Authors: Elda Herlina, Ilmadi Ilmadi, Aulia Fitri Zetia, Ika Metiza Maris
      Pages: 15 - 25
      Abstract: This study aims to develop a HOTS-based integrative e-module that can train students' independent learning. The research instruments used are validation sheets and practical questionnaires with a Likert scale. The results of this study can find out several aspects of eligibility according to validators and from the response of educators or learners from the development of learning media in the form of E-Modules in mathematics learning. As for the validity results of several validators, it shows that this HOTS-based integrative E-Module obtained the criteria "Very Valid" with an average value of several validation sheets of 88.34%. Furthermore, for practicality questionnaires, educators obtained the criteria "Very Practical" with an average score of 100%, and the practicality questionnaire of learners obtained the "Practical" criteria with an average score of 77.13%.
      PubDate: 2022-06-30
      DOI: 10.31958/js.v14i1.5910
      Issue No: Vol. 14, No. 1 (2022)
       
  • Educational Game Introduction and Understanding of the Basic Values of the
           Republic of Indonesia for Android-Based Elementary School

    • Authors: Abdul Haris Subarjo, Nurcahyani Dewi Retnowati, Yanti Alif Al Afiah Alif Al Afiah
      Pages: 26 - 31
      Abstract: This research creates an android-based educational game for the basic values of the Unitary State of the Republic of Indonesia. Making educational games using Game Maker in making the application, besides that this game is also equipped with drawings made with sketches and edited using CorelDraw to add color and complete the images that will be included in the educational game. The results of the feasibility test on the children of SD Khalifah, the level of eligibility for educational games, showed a percentage of 86.28% of 50 respondents. The game, which is intended for elementary school students, is expected to explain the practice of the country's basic values more pleasantly.
      PubDate: 2022-06-30
      DOI: 10.31958/js.v14i1.4662
      Issue No: Vol. 14, No. 1 (2022)
       
  • Development of Al-Quran Integrated Physics Practicum Manual in Accordance
           with the 2013 Curriculum to Develop Practical Skills, Scientific
           Attitudes, and Religious Attitudes for IT/MA High School Students

    • Authors: Artha Nesa Chandra, Novia Lizelwati
      Pages: 32 - 40
      Abstract: Based on questionnaire data distributed to 27 first-year students participating in the Basic Physics course at IAIN Batusangkar, the data obtained are: 1) 37% of students have never done physics practicum activities, 63% of students have done physics practicum activities, 2) 100% of students are not used to compiling reports on practicum activities, 3) 100% of students are not given a practice guide and 4) 93% of students, their physics learning is not associated with Islamic values, 7% of students' physics learning is associated with religion. Furthermore, interviews with 5 physics teachers from SMA/MA, it was found that: 1) there is no guidebook for physics practicum in accordance with the 2013 curriculum in their schools, 2) Physics learning in schools not integrated with the Alquran. This study aims to produce an integrated Al-Quran physics practicum manual in accordance with the 2013 curriculum for SMA/MA which is valid, practical, and effective. Based on the results of the data analysis that has been carried out, it can be concluded that the results of the validation of the physics practicum manual are categorized as very valid with a validity percentage of 83%. The results of the practicality of the products developed are categorized as highly practical with the percentage of practicality of 89.4%. The data from the observation of students' attitudes and practical skills found that the physics practicum manual was effective for developing practical skills, with an average score of 78.5, scientific attitude 77.8, and religious attitude 84.5 (scale value of 100).
      PubDate: 2022-06-30
      DOI: 10.31958/js.v14i1.6000
      Issue No: Vol. 14, No. 1 (2022)
       
  • Analysis of the Utilization of Refractometer Tools to Test the Quality of
           Cooking Oil

    • Authors: Nofia Rohmah
      Pages: 41 - 45
      Abstract: The study of optics in the industrial field in everyday life is the use of a refractometer to test the quality of cooking oil. The purpose of this study is to analyze the use of a refractometer to test the quality of cooking oil. The variables used are in the form of data from experiments that have been carried out previously by researchers. Tested oil of several different types and brands. The experiment uses the principle of light refraction and uses the value of the refractive index to measure the quality of cooking oil. Data collection is done through a review of journals related to the theme of the article. The results obtained in the form of a large refractive index value indicate that the quality of the cooking oil is poor and vice versa. A small refractive index value indicates that the quality of the cooking oil is good.
      PubDate: 2022-06-30
      DOI: 10.31958/js.v14i1.4899
      Issue No: Vol. 14, No. 1 (2022)
       
  • Analysis of the Nutritional value of Puyu fish (Anabas testudineus) and
           Acceptability of the Processing

    • Authors: Nurhamidah Nurhamidah, Widia Dara
      Pages: 46 - 50
      Abstract: There are two types of iron in food, heme and non-heme, heme is the main source of animal protein and has good availability for absorption by the body and quail has good protein. The purpose of this study was to determine the analysis of the nutritional value of Puyu Fish (Anabas testudineus) and the acceptability of the processing. The research design used experimental analysis using qualitative analysis with AAS and HPLC methods and organoleptic (hedonic) tests were carried out on 30 panelists who were tested statistically with the ANOVA test. Four treatments in this studies was obtained the highest carbohydrate in the steamed treatment was 18,039 grams and the highest protein in the dried treatment was 31,432. The fat content with the fried treatment was the highest (26,027 g) than the steamed treatment (3,897 g). The water content without treatment was the best value (67.20 g) than the dried treatment (9.48 g). Ash content was obtained 20,702 gr for dried treatment greater than untreatment (4,541 gr). The calcium value in the dried treatment (444.83 mc/gr) more than the fried treatment o(200.00 mc/gr). The highest levels of Zing (Zn) in the dried treatment (42.11g) and the vitamin A content of monitored fish was 457 RE. The organoleptic test showed that frying had the highest value of 3.5 in terms of aroma, while in terms of texture and the lowest value is dried was 1.8 in terms of taste. The statistical test showed not significant difference with a p value of <0.05.
      PubDate: 2022-06-30
      DOI: 10.31958/js.v14i1.4722
      Issue No: Vol. 14, No. 1 (2022)
       
 
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