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THE INFLUENCE OF ELECTRICAL VOLTAGE ON FORMATION OF SILICA NANO FIBER WITH ELECTROSPINNING METHOD 电压对静电纺丝法合成二氧化硅纳米纤维的影响
Jurnal Teori dan Aplikasi Fisika Pub Date : 2022-01-31 DOI: 10.23960/jtaf.v10i1.2907
Erika Sempana Ginting, P. Manurung, Y. Yulianti
{"title":"THE INFLUENCE OF ELECTRICAL VOLTAGE ON FORMATION OF SILICA NANO FIBER WITH ELECTROSPINNING METHOD","authors":"Erika Sempana Ginting, P. Manurung, Y. Yulianti","doi":"10.23960/jtaf.v10i1.2907","DOIUrl":"https://doi.org/10.23960/jtaf.v10i1.2907","url":null,"abstract":"","PeriodicalId":314761,"journal":{"name":"Jurnal Teori dan Aplikasi Fisika","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133255700","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
KARAKTERISTIK STRUKTUR DAN TERMAL KOMPOSIT ASPAL KARBOSIL SILIKA SEKAM PADI 熔融硅沥青结构和热复合质水稻糠的特征
Jurnal Teori dan Aplikasi Fisika Pub Date : 2022-01-31 DOI: 10.23960/jtaf.v10i1.2898
Devi Yulianti, Simon Sembiring, J. Junaidi
{"title":"KARAKTERISTIK STRUKTUR DAN TERMAL KOMPOSIT ASPAL KARBOSIL SILIKA SEKAM PADI","authors":"Devi Yulianti, Simon Sembiring, J. Junaidi","doi":"10.23960/jtaf.v10i1.2898","DOIUrl":"https://doi.org/10.23960/jtaf.v10i1.2898","url":null,"abstract":"","PeriodicalId":314761,"journal":{"name":"Jurnal Teori dan Aplikasi Fisika","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130695083","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
PROSES PELAPISAN NIKEL DIATAS AL DENGAN METODE ELEKTROPLATING 用电镀方法在AL上涂上镍
Jurnal Teori dan Aplikasi Fisika Pub Date : 2022-01-31 DOI: 10.23960/jtaf.v10i1.2834
Cahaya Rosyidan, Mustamina Maulani, Lisa Samura, O. Ridaliani
{"title":"PROSES PELAPISAN NIKEL DIATAS AL DENGAN METODE ELEKTROPLATING","authors":"Cahaya Rosyidan, Mustamina Maulani, Lisa Samura, O. Ridaliani","doi":"10.23960/jtaf.v10i1.2834","DOIUrl":"https://doi.org/10.23960/jtaf.v10i1.2834","url":null,"abstract":". Metal coatings are starting to be widely used as a way to prevent metals from corroding. In addition to preventing corrosion, metal coatings have been developed to thicken metals, increase hardness, wear resistance, and corrosion resistance. Characterization of the materials used using SEM, and XRD. The SEM characterization results show a crystal shape similar to a pyramid. The increasing coating time will increase the crystal size with the preferred plane orientation direction is [111] with the largest crystal size in the experiment with a time of 4.5 h which is 55.44 nm using the Williamson-Hall method.","PeriodicalId":314761,"journal":{"name":"Jurnal Teori dan Aplikasi Fisika","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125384567","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: 1
Studi Pendahuluan Penentuan Nilai Energi Band Gap Komposit Perak Silika (Ag/SiO2) Berbasis Sekam Padi 初步研究确定以稻壳为基础的硅银复合材料的能量价值
Jurnal Teori dan Aplikasi Fisika Pub Date : 2022-01-31 DOI: 10.23960/jtaf.v10i1.2892
Desi Novitasari, Letha Agatha Lusiana, Simon Sembiring, J. Junaidi
{"title":"Studi Pendahuluan Penentuan Nilai Energi Band Gap Komposit Perak Silika (Ag/SiO2) Berbasis Sekam Padi","authors":"Desi Novitasari, Letha Agatha Lusiana, Simon Sembiring, J. Junaidi","doi":"10.23960/jtaf.v10i1.2892","DOIUrl":"https://doi.org/10.23960/jtaf.v10i1.2892","url":null,"abstract":"","PeriodicalId":314761,"journal":{"name":"Jurnal Teori dan Aplikasi Fisika","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123635137","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
Analysis of Wind Direction and Speed of Rainfall Distribution in Tangerang Regency 唐格朗县降水分布的风向和风速分析
Jurnal Teori dan Aplikasi Fisika Pub Date : 2022-01-31 DOI: 10.23960/jtaf.v10i1.2914
Clara Dwi Lestari Simbolon, Y. Ruhiat, A. Saefullah
{"title":"Analysis of Wind Direction and Speed of Rainfall Distribution in Tangerang Regency","authors":"Clara Dwi Lestari Simbolon, Y. Ruhiat, A. Saefullah","doi":"10.23960/jtaf.v10i1.2914","DOIUrl":"https://doi.org/10.23960/jtaf.v10i1.2914","url":null,"abstract":"","PeriodicalId":314761,"journal":{"name":"Jurnal Teori dan Aplikasi Fisika","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124230993","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: 1
Studi Pendahuluan Pembentukan Gugus Fungsi dari Komposit Perak Silika (Ag/SiO2) Berbasis Sekam Padi 初步研究以稻壳为基础的二氧化硅银复合材料的形成
Jurnal Teori dan Aplikasi Fisika Pub Date : 2022-01-31 DOI: 10.23960/jtaf.v10i1.2891
Rifa Dian Eka Farah, Nur Fattiah Amanda, Simon Sembiring, J. Junaidi
{"title":"Studi Pendahuluan Pembentukan Gugus Fungsi dari Komposit Perak Silika (Ag/SiO2) Berbasis Sekam Padi","authors":"Rifa Dian Eka Farah, Nur Fattiah Amanda, Simon Sembiring, J. Junaidi","doi":"10.23960/jtaf.v10i1.2891","DOIUrl":"https://doi.org/10.23960/jtaf.v10i1.2891","url":null,"abstract":"","PeriodicalId":314761,"journal":{"name":"Jurnal Teori dan Aplikasi Fisika","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115004591","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
Aplikasi Styrofoam Sebagai Absorpsi Bunyi 录音应用作为声音吸收
Jurnal Teori dan Aplikasi Fisika Pub Date : 2022-01-31 DOI: 10.23960/jtaf.v10i1.2817
Allif Silfiyana Rohman, Agus Yulianto, U. Nurbaiti
{"title":"Aplikasi Styrofoam Sebagai Absorpsi Bunyi","authors":"Allif Silfiyana Rohman, Agus Yulianto, U. Nurbaiti","doi":"10.23960/jtaf.v10i1.2817","DOIUrl":"https://doi.org/10.23960/jtaf.v10i1.2817","url":null,"abstract":"","PeriodicalId":314761,"journal":{"name":"Jurnal Teori dan Aplikasi Fisika","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122832885","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: 1
Local Adaptive Thresholding Menggunakan Metode Sauvola sebagai Tahapan Pra Pengolahan pada Data Citra Isyarat ECG 现场采用Sauvola方法作为ECG手势数据的预处理阶段
Jurnal Teori dan Aplikasi Fisika Pub Date : 2022-01-31 DOI: 10.23960/jtaf.v10i1.2904
Mohammad Rofi’i, D. Ningtias
{"title":"Local Adaptive Thresholding Menggunakan Metode Sauvola sebagai Tahapan Pra Pengolahan pada Data Citra Isyarat ECG","authors":"Mohammad Rofi’i, D. Ningtias","doi":"10.23960/jtaf.v10i1.2904","DOIUrl":"https://doi.org/10.23960/jtaf.v10i1.2904","url":null,"abstract":"","PeriodicalId":314761,"journal":{"name":"Jurnal Teori dan Aplikasi Fisika","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123227498","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
Fabrikasi Nanofiber PVA/Fe3O4 dengan Metode Elektrospinning 用电旋转方法制造PVA/Fe3O4纳米纤维
Jurnal Teori dan Aplikasi Fisika Pub Date : 2022-01-31 DOI: 10.23960/jtaf.v10i1.2911
Nuril Fathurin, D. Kusumawati
{"title":"Fabrikasi Nanofiber PVA/Fe3O4 dengan Metode Elektrospinning","authors":"Nuril Fathurin, D. Kusumawati","doi":"10.23960/jtaf.v10i1.2911","DOIUrl":"https://doi.org/10.23960/jtaf.v10i1.2911","url":null,"abstract":". PVA/Fe 3 O 4 nanofibers are composite materials contain magnetic materials in nanometer-sized fibers that have biocompatible, non-toxic, and high chemical stability properties. Fe 3 O 4 will be composited with Polyvinyl Alcohol (PVA) and formed into nanofibers. The purpose of this study was to analize the effect of variations in volume % concentration of Fe 3 O 4 used on PVA/Fe 3 O 4 nanofibers. Fe 3 O 4 was dissolved in dionized water using ultrasonication. The suspension Fe 3 O 4 solution was mixed with 10% PVA solution to form PVA/Fe 3 O 4 solution with Fe 3 O 4 variations of 5%, 10%, 15%, and 20%. Electrospinning process was carried out on PVA/Fe 3 O 4 solution with a voltage of 20 kV, flow rate of 5 ml/hour, distance of jet to collector is 15 cm. The results of SEM characterization can be concluded that the one that has the best morphology in this study is PVA/Fe 3 O 4 nanofiber with a concentration of 10% because it generates uniform nanofibers with the smallest diameter at this concentration, the fibers do not attach to one other, and there are no beads.","PeriodicalId":314761,"journal":{"name":"Jurnal Teori dan Aplikasi Fisika","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129178938","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
The Effect Of Exposure Index Variations On Subjective Quality Assessment On Lumbosacral Examination 暴露指数变化对腰骶检查主观质量评价的影响
Jurnal Teori dan Aplikasi Fisika Pub Date : 2022-01-31 DOI: 10.23960/jtaf.v10i1.2922
Putri Rahmawanti, Muhammad Irsal, Gando Sari
{"title":"The Effect Of Exposure Index Variations On Subjective Quality Assessment On Lumbosacral Examination","authors":"Putri Rahmawanti, Muhammad Irsal, Gando Sari","doi":"10.23960/jtaf.v10i1.2922","DOIUrl":"https://doi.org/10.23960/jtaf.v10i1.2922","url":null,"abstract":"","PeriodicalId":314761,"journal":{"name":"Jurnal Teori dan Aplikasi Fisika","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132069538","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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