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Jurnal Fisika Unand最新文献

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Sifat Fisis dan Mekanis Komposit Poliester Berpenguat Serat Tandan Kosong Kelapa Sawit 油棕空束纤维增强聚酯复合材料的物理和机械性能
Jurnal Fisika Unand Pub Date : 2024-03-08 DOI: 10.25077/jfu.13.2.310-314.2024
Pranata Pranata, Fasya Savira, Nurmadina Nurmadina
{"title":"Sifat Fisis dan Mekanis Komposit Poliester Berpenguat Serat Tandan Kosong Kelapa Sawit","authors":"Pranata Pranata, Fasya Savira, Nurmadina Nurmadina","doi":"10.25077/jfu.13.2.310-314.2024","DOIUrl":"https://doi.org/10.25077/jfu.13.2.310-314.2024","url":null,"abstract":"","PeriodicalId":497807,"journal":{"name":"Jurnal Fisika Unand","volume":"72 S31","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140257234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Suseptibilitas Magnetik Pada Tanah Di Sekitar Tempat Pemrosesan Akhir Sampah (TPAS) Regional Payakumbuh Sebagai Indikator Polusi Logam Berat 巴雅昆布地区垃圾填埋场周围土壤的磁感应强度作为重金属污染的指标
Jurnal Fisika Unand Pub Date : 2024-03-06 DOI: 10.25077/jfu.13.2.303-309.2024
Viesca Fredilla Hanif, Ahmad Fauzi Pohan
{"title":"Suseptibilitas Magnetik Pada Tanah Di Sekitar Tempat Pemrosesan Akhir Sampah (TPAS) Regional Payakumbuh Sebagai Indikator Polusi Logam Berat","authors":"Viesca Fredilla Hanif, Ahmad Fauzi Pohan","doi":"10.25077/jfu.13.2.303-309.2024","DOIUrl":"https://doi.org/10.25077/jfu.13.2.303-309.2024","url":null,"abstract":"","PeriodicalId":497807,"journal":{"name":"Jurnal Fisika Unand","volume":"35 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140262783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigasi Bidang Gelincir Tanah Longsor Menggunakan Metode Geolistrik Resistivitas Konfigurasi Schlumberger di Kecamatan Barangin Kota Sawahlunto 在 Sawahlunto 市 Barangin 分区使用斯伦贝谢配置电阻率地质电法调查滑坡滑动场
Jurnal Fisika Unand Pub Date : 2024-03-05 DOI: 10.25077/jfu.13.2.275-281.2024
Verdillah Nur Azizah, A. Afdal, Dian Hadiyansyah
{"title":"Investigasi Bidang Gelincir Tanah Longsor Menggunakan Metode Geolistrik Resistivitas Konfigurasi Schlumberger di Kecamatan Barangin Kota Sawahlunto","authors":"Verdillah Nur Azizah, A. Afdal, Dian Hadiyansyah","doi":"10.25077/jfu.13.2.275-281.2024","DOIUrl":"https://doi.org/10.25077/jfu.13.2.275-281.2024","url":null,"abstract":"","PeriodicalId":497807,"journal":{"name":"Jurnal Fisika Unand","volume":"37 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140264587","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Peningkatan Aktivitas Fotokatalis Nanopartikel Seng Oksida Didoping Aluminium Untuk Mereduksi Merkuri 增强掺铝氧化锌纳米粒子的光催化还原汞活性
Jurnal Fisika Unand Pub Date : 2024-03-05 DOI: 10.25077/jfu.13.2.197-203.2024
A. Ramadhani, Mulda Muldarisnur
{"title":"Peningkatan Aktivitas Fotokatalis Nanopartikel Seng Oksida Didoping Aluminium Untuk Mereduksi Merkuri","authors":"A. Ramadhani, Mulda Muldarisnur","doi":"10.25077/jfu.13.2.197-203.2024","DOIUrl":"https://doi.org/10.25077/jfu.13.2.197-203.2024","url":null,"abstract":"","PeriodicalId":497807,"journal":{"name":"Jurnal Fisika Unand","volume":"13 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140263946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Identifikasi Gerakan Partikel Air Panas Berdasarkan Analisis Mikrotremor di Mata Air Panas Bukit Kili dan Garara, Kabupaten Solok 根据索洛克县布吉吉利和加拉拉温泉的微震颤分析确定热水粒子运动
Jurnal Fisika Unand Pub Date : 2024-03-05 DOI: 10.25077/jfu.13.2.177-182.2024
Muhammad Khaikal Marbun, Ahmad Fauzi Pohan
{"title":"Identifikasi Gerakan Partikel Air Panas Berdasarkan Analisis Mikrotremor di Mata Air Panas Bukit Kili dan Garara, Kabupaten Solok","authors":"Muhammad Khaikal Marbun, Ahmad Fauzi Pohan","doi":"10.25077/jfu.13.2.177-182.2024","DOIUrl":"https://doi.org/10.25077/jfu.13.2.177-182.2024","url":null,"abstract":"","PeriodicalId":497807,"journal":{"name":"Jurnal Fisika Unand","volume":"55 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140264788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pengaruh Waktu Sonikasi Terhadap Struktur dan Sifat Magnet Nanokomposit Fe3O4@GO 超声时间对 Fe3O4@GO 纳米复合材料结构和磁性能的影响
Jurnal Fisika Unand Pub Date : 2024-03-05 DOI: 10.25077/jfu.13.2.204-210.2024
Muhammad Rhohid Abdurrahim, Astuti Astuti, Sri Rahayu Alfitri Usna
{"title":"Pengaruh Waktu Sonikasi Terhadap Struktur dan Sifat Magnet Nanokomposit Fe3O4@GO","authors":"Muhammad Rhohid Abdurrahim, Astuti Astuti, Sri Rahayu Alfitri Usna","doi":"10.25077/jfu.13.2.204-210.2024","DOIUrl":"https://doi.org/10.25077/jfu.13.2.204-210.2024","url":null,"abstract":"","PeriodicalId":497807,"journal":{"name":"Jurnal Fisika Unand","volume":"4 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140263475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Kandungan Mikroplastik Pada Kolom Air di Sungai Siak Provinsi Riau 廖内省锡耶河水体中的微塑料含量
Jurnal Fisika Unand Pub Date : 2024-03-05 DOI: 10.25077/jfu.13.2.218-224.2024
Alex Juara Tampubolon, Budijono Budijono, M. Fauzi
{"title":"Kandungan Mikroplastik Pada Kolom Air di Sungai Siak Provinsi Riau","authors":"Alex Juara Tampubolon, Budijono Budijono, M. Fauzi","doi":"10.25077/jfu.13.2.218-224.2024","DOIUrl":"https://doi.org/10.25077/jfu.13.2.218-224.2024","url":null,"abstract":"This research aims to determine the type and abundance of microplastics and their distribution based on depth. The survey was carried out for 3 months starting from January to March 2023 at 3 stations, namely: Station 1 (upstream - Karya Indah Village), Station 2 (middle - Tebing Tinggi Okura Village)","PeriodicalId":497807,"journal":{"name":"Jurnal Fisika Unand","volume":"11 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140264405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Desain Sistem Smart Feeder Ayam Berbasis Internet of Things (IoT) Guna Mencegah Keterlambatan Pemberian Pakan 设计基于物联网（IoT）的智能喂鸡系统，防止延迟喂鸡
Jurnal Fisika Unand Pub Date : 2024-03-05 DOI: 10.25077/jfu.13.2.297-302.2024
Elvinda Bendra Agustina, Dian Arif Rachman, Recha Nofillah, Lia Ikhlasia Fitri
{"title":"Desain Sistem Smart Feeder Ayam Berbasis Internet of Things (IoT) Guna Mencegah Keterlambatan Pemberian Pakan","authors":"Elvinda Bendra Agustina, Dian Arif Rachman, Recha Nofillah, Lia Ikhlasia Fitri","doi":"10.25077/jfu.13.2.297-302.2024","DOIUrl":"https://doi.org/10.25077/jfu.13.2.297-302.2024","url":null,"abstract":"the error value is lower. NTP testing","PeriodicalId":497807,"journal":{"name":"Jurnal Fisika Unand","volume":"59 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140264709","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Flavonoid Alami Hasil Ekstrak Bajakah Tampalah Merah sebagai Antifungi Jamur Malassezia Globosa 从 Bajakah Tampalah Merah 提取物中提取的天然黄酮类化合物可抗真菌球孢子菌
Jurnal Fisika Unand Pub Date : 2024-03-05 DOI: 10.25077/jfu.13.2.241-246.2024
A. Agustin, Suparno Suparno
{"title":"Flavonoid Alami Hasil Ekstrak Bajakah Tampalah Merah sebagai Antifungi Jamur Malassezia Globosa","authors":"A. Agustin, Suparno Suparno","doi":"10.25077/jfu.13.2.241-246.2024","DOIUrl":"https://doi.org/10.25077/jfu.13.2.241-246.2024","url":null,"abstract":"Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi flavonoid ekstrak akar bajakah tampala merah terhadap daya hambat jamur Malassezia globosa dan lama waktunya bertahan. Ekstrak akar bajakah tampala merah dipreparasi dengan metode dekoktasi. Kandungan flavonoid yang terkandung di dalam ekstrak bajakah tampala merah ditentukan dengan metode spektroskopi visible, ukuran partikel ditentukan dengan Particle Size Analyzer (PSA), dan kemampuan daya hambat jamur oleh ekstrak akar bajakah dengan metode Kirby bauer. Selain itu, untuk mengidentifikasi ekstrak akar bajakah tampala merah telah dilakukan pengukuran massa jenis, viskositas, dan indeks bias. Hasilnya menunjukkan bahwa daya hambat (zona bening) meningkat dari (6,9 ± 1,6) mm hingga (9,5 ± 1,9) mm dengan peningkatan konsentrasi flavonoid dari 10 ppm hingga 25 ppm. Kemampuan bertahan ekstrak akar bajakah tampala merah dalam menghambat jamur bervariasi dari 30 jam hingga 72 jam.","PeriodicalId":497807,"journal":{"name":"Jurnal Fisika Unand","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140264105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pengujian Efektivitas Perisai Radiasi dan Evaluasi Penerapan Proteksi Radiasi di Instalasi Radiologi RSUD Prof. Dr. MA Hanafiah SM Batusangkar 测试辐射屏蔽的有效性并评估 MA Hanafiah SM Batusangkar 医院放射科装置的辐射防护实施情况
Jurnal Fisika Unand Pub Date : 2024-03-05 DOI: 10.25077/jfu.13.2.190-196.2024
Maya Putri Sahfira, Dian Milvita, Eri Hiswara
{"title":"Pengujian Efektivitas Perisai Radiasi dan Evaluasi Penerapan Proteksi Radiasi di Instalasi Radiologi RSUD Prof. Dr. MA Hanafiah SM Batusangkar","authors":"Maya Putri Sahfira, Dian Milvita, Eri Hiswara","doi":"10.25077/jfu.13.2.190-196.2024","DOIUrl":"https://doi.org/10.25077/jfu.13.2.190-196.2024","url":null,"abstract":"Telah dilakukan penelitian tentang pengujian efektivitas perisai radiasi dan evaluasi penerapan proteksi radiasi di Instalasi Radiologi RSUD Prof. Dr. MA Hanafiah SM Batusangkar. Penelitian bertujuan untuk menguji efektivitas perisai radiasi, mengevaluasi fasilitas proteksi radiasi, dan mengevaluasi laju dosis radiasi yang diterima pekerja radiasi. Pengujian efektivitas perisai radiasi dilakukan dengan cara mengukur dosis radiasi sebelum dan setelah melewati perisai radiasi menggunakan TLD-100. Evaluasi fasilitas proteksi radiasi dilakukan dengan cara mengamati secara langsung ruangan radiologi. Evaluasi laju dosis radiasi yang diterima pekerja radiasi dilakukan dengan cara mendata laju dosis yang diterima pekerja radiasi yang terukur pada TLD badge selama bulan November 2022-Januari 2023, kemudian dilakukan wawancara terhadap pekerja radiasi terkait proteksi radiasi. Hasil pengujian efektivitas perisai radiasi menunjukkan persentase tertinggi terdapat pada ruangan CT-Scan, nilai persentase efektivitas diperoleh 80%. Nilai efektivitas perisai radiasi pada ruangan dental panoramic diperoleh 47% dan ruangan sinar-X konvensional diperoleh 74%. Hasil evaluasi fasilitas ruangan radiologi secara umum telah memenuhi ketentuan Peraturan BAPETEN No. 4 Tahun 2020. Nilai laju dosis radiasi yang diterima pekerja radiasi sebesar (0-0,132) mSv/tahun, dan masih berada di bawah nilai yang ditetapkan oleh PERKA BAPETEN No. 4 Tahun 2013 sebesar 20 mSv/tahun.","PeriodicalId":497807,"journal":{"name":"Jurnal Fisika Unand","volume":"16 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140264851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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