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All Journal JSI: Jurnal Sistem Informasi (E-Journal) JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Annual Research Seminar Jurnal Inovasi dan Pembelajaran Fisika Science and Technology Indonesia Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Kasuari: Physics Education Journal (KPEJ) Jurnal Tekinkom (Teknik Informasi dan Komputer) Jurnal Generic Jurnal Sistem Informasi, Teknik Informatika dan Teknologi Pendidikan (JUSTIKPEN)
Jaidan Jauhari
Universitas Sriwijaya
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Other

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SISTEM PENDUKUNG KEPUTUSAN BERBASIS MOBILE UNTUK PENENTUAN KREDIT MODAL KERJA (KMK) PADA SUATU BANK Intan Oktariani; jaidan Jauhari
Jurnal Sistem Informasi Vol 3, No 1 (2011)
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (618.141 KB) | DOI: 10.36706/jsi.v3i1.733

Abstract

Bank umumnya akan melayani perkreditan untuk kredit modal kerja. Ada beberapa kriteria yang dijadikan sebagai acuan dalam penentuan kredit modal kerja, antara lain : direktur perusahaan, perusahaan yang mengajukan kredit, proyek yang akan ditangani, dan jaminan dari perusahaan tersebut. Dalam penentuan kredit modal kerja yang ada saat ini kadangkala kurang tepat sasaran karena belum didukung oleh sebuah sistem pendukung keputusan yang mampu membantu analis kredit dalam menentukan kredit yang diajukan. Letak jaminan yang tersebar mengakibatkan keputusan yang diambil membutuhkan waktu yang lama. Oleh karena itu diusulkan sebuah sistem mobile yang dikembangkan dengan menggunakan pemrograman Java dengan memanfaatkan teknologi J2ME. Pengembangan sistem ini menggunakan metodologi FAST berbasis Analytical Hierarcy Process (AHP). Tujuan dari penelitian ini adalah untuk mengembangkan sebuah sistem yang baru untuk memperbaiki sistem yang lama dalam penentuan kelayakan Kredit Modal Kerja yang ada di Bank. Sistem ini diharapkan mampu mempersingkat waktu yang dibutuhkan untuk menentukan kredit dan meminimalisir kesalahan dalam penentuan kelayakan kredit.   Kata Kunci : SPK, Mobile, Modal Kerja
Pengembangan Sistem E-Commerce Penjualan Rumah Dengan Pemanfaatan Teknologi Virtual Reality Di Kota Palembang Pacu Putra; Jaidan Jauhari; Paulus Paskah Lino Susilo; Allsela Meiriza
Jurnal Sistem Informasi Vol 10, No 1 (2018)
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (518.767 KB) | DOI: 10.36706/jsi.v10i1.8044

Abstract

ABSTRACTIn the present day, business of properties especially in house selling, is getting thrive day by day. The growth of the business also walks in the same way with the promotional media. But in reality, we often find that either the owner of the house or the prospective buyers, they have the same problem for the promotional media that is too mediocre. In response to the problem, the writer is trying to develop an e-commerce information system using ‘Development of E-Commerce System for House Selling Using C2C Model with Virtual Reality Technology in Palembang’ as the title, in order to solve the problem. The main purpose of this research is to create and develop an e-commerce system for property business especially in housing business at Palembang city. The other purpose of the research is also to implement the technology of virtual reality in e-commerce system. In this case, the virtual reality will help the prospective buyers to have a look at the condition of the house, outside and inside, virtually. So the prospective buyers do not have to physically come to the house. The method for the development of the system that used by the writer is waterfall method. From the system that has already been developed, there are several features that users can use, such as promoting the house online with virtual reality support, and many more. The writer uses the virtual reality with the hope that, this can be a fresh movement in the world of property business especially in the promotional media for house selling. In the process of development, the writer used PHP as the language of the program and MySQL as the database.Keyword : Property Business, House Selling, Waterfall, E-Commerce, Virtual Reality.ABSTRAKBisnis properti di kota Palembang khususnya penjualan rumah, semakin berkembang dari tahun ke tahun dengan berbagai macam media penjualan. Namun dalam penerapannya, tidak jarang ada keluhan yang didapatkan dari pemilik rumah maupun pelanggan, salah satunya mengenai media promosi yang itu-itu saja. Menanggapi keluhan itu, penulis merancang sebuah sistem informasi e-commerce, dengan mengangkat judul “Pengembangan Sistem E-Commerce Penjualan Rumah Menggunakan Model C2C Dengan Pemanfaatan Teknologi Virtual Reality Di Kota Palembang” yang diharapkan mampu membantu mengatasi keluhan yang ada. Tujuan dari penelitian ini yakni membuat perancangan sistem e-commerce untuk bisnis penjualan rumah khususnya yang berada di kota Palembang. Tujuan lain dari penelitian ini juga untuk mengimplementasikan teknologi virtual reality pada sistem e-commerce penjualan rumah, yang akan menampilkan dan memperlihatkan kondisi dari rumah yang dijual, sehingga pembeli tidak perlu datang langsung untuk melihat situasi dari rumah tersebut. Metode yang diimplementasikan dalam sistem ini adalah metode waterfall. Dari sistem yang telah dirancang, dapat memberikan fasilitas berupa pemasangan iklan secara online dengan dukungan realitas maya, yang diharapan mampu menjadi sarana pemasaran baru bagi bisnis properti, khususnya penjualan rumah. Perancangan yang dilakukan, menggunakan bahasa pemrograman PHP dan database MySQL.Kata kunci : Bisnis Properti, Penjualan Rumah, Waterfall, E-Commerce, Virtual Reality
SYNTHESIZE AND CHARACTERIZATION OF PVP/CA AND CHITOSAN NANOFIBER USING ELECTROSPINNING MEURETTA ALAWIYAH PULUNGAN; RAFLI PANDU RAMADHANI; MEUTIA KAMILATUN NUHA AP IDJAN; IDA SRIYANTI; M RUDI SANJAYA; JAIDAN JAUHARI; RADIYATI UMI PARTAN
Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Vol 9, No 2 (2023)
Publisher : UNIVERISTAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/jpfk.v9i2.16916

Abstract

Nanofibers is one of the results of composites that have an important role in the industrial field, wound dressing, drug delivery and tissue engineering. Manufacturing of nanofibers can be carried out using electrospinning. Electrospinning is an easy, fast and simple technique for produced fibers with sizes ranging from micrometers to nanometers. We explained how to produce and the characteristics of nanofibers.  The purpose of this study was to see the characterization of PVP/CA fiber. The fiber were made with consentration of PVP 10.4% (w/w) and mixed with variation of chitosan 0.5%;1%;1.5% (w/w). Process parameter that used in this research such us flowrate 0,20 ml/hour, high voltage 12 kV, and speed of drum is 200 rpm with the distances to needle tip of collector is 75 cm. The result showed that the morphology of fiber PVP/CA are bead fiber and bead free. The average diameter of PVP/CA fibers was 234;267;325 nm. Adding chitosan made the diameter of fibers increase. The XRD result shown that the fibers of PVP/CA/AE has an amorf phase. The fibers were potentially used in any sectors.
Penerapan Permodelan Nielsen Pada Website Aplikasi Inventaris Barang di Pondok Pesantren Miftahul Jannah Sanjaya, Rudi; Jaidan Jauhari; Dedy Kurniawan
Jurnal Sistem Informasi, Teknik Informatika dan Teknologi Pendidikan Vol. 3 No. 1 (2023): Jurnal Sistem Informasi dan Teknologi
Publisher : Utiliti Project Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55338/justikpen.v3i1.29

Abstract

The development of technology is increasingly fast and developing, so the need for a technology is one of the websites-based software technology, with this website being used to make difficult work easy, the purpose of this research is to design and build an inventory application for Islamic boarding schools Miftahul Jannad. in the survey village by applying the Nielsen modeling. The research method used is the method of observation, interviews and literature studies, the approach method is the Nielsen modeling method, where Nielsen's modeling consists of learnability, efficiency, memorability, few errors, satisfaction, the results of Nielsen's modeling are obtained to test the validity of learnability with counted r counts. 0.868, 0.845, 0.736, 0.619, Efficiency with r count 0.813, 0.461.0.636, 0.557, for Memorability is 0.773, 0.830, 0.814, 0.578 for memorability with the calculated r value of 0.773, 0.830, 0.814, 0.578, then for few errors obtained a value of 0.621, 0.765, 0.704, 0.653, then for satisfaction with a value of 0.732, 0.559, 0.662, 0.652, which means that with the calculated r value is more r table, where the r table is obtained 0.320, the data in the Nielsen modeling is valid, while for the reliability test it is stated that the results of the Nielsen modeling test are reliable.
Preparation of PAN/PVDF Nanofiber Mats Loaded with Coconut Shell Activated Carbon and Silicon dioxide for Lithium-Ion Battery Anodes Almafie, Muhammad Rama; Dani, Rahma; Riyanto; Marlina, Leni; Jauhari, Jaidan; Sriyanti, Ida
Science and Technology Indonesia Vol. 9 No. 2 (2024): April
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2024.9.2.427-447

Abstract

Utilizing carbon materials derived from natural biomass holds significant promise for battery applications, owing to their low cost, abundant availability, and environmentally sustainable characteristics. However, graphite anode materials do not meet the demands of efficient batteries. Coconut shell waste has the potential to be used as activated carbon in energy storage anodes. By adding silicon dioxide (SiO2) to maintain structural stability and electrochemical reaction kinetics, the advantages of CCS can be maximized. Polyacrylonitrile/polyvinylidene fluoride (PAN/PVDF) composite polymer was used as a matrix to embed CCS/SiO2 and synthesize nanofibers via electrospinning. The resulting nanofibers had diameters ranging from to 575–707 nm, with cross-linked, porous, and beadless characteristics. Mechanical properties were measured by single-fiber micro tensile tests. The young modulus, tensile strength, and toughness of each nanofiber were successfully maintained at 13.7 ± 0.4 MPa, 34.4 ± 0.1 MPa, and 982 ± 10 kJ/m3, respectively, because of the presence of a β-crystal growth layer that facilitated efficient stress transmission. The reduction-oxidation process response had a potential difference of less than 1.286 V in the first cycle, whereas for the third and fifth cycles, it was maintained below 3.416 V. The lithium-ion diffusion coefficient was below 4.73×1013 cm2/s. Using the anode directly, as in lithium-ion batteries, provided a high capacity of 382 mAh/g after 200 cycles. Good cycle stability, with over 98% retention of the initial capacitance after 200 charge/discharge cycles, underscores its potential for application in lithium-ion batteries.
Electrospun nylon-6 nanofibers and their characteristics Sriyanti, Ida; Agustini, Meily P; Jauhari, Jaidan; Sukemi, Sukemi; Nawawi, Zainuddin
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 9 No 1 (2020): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v9i1.5747

Abstract

The purposes of this research were to investigate the synthesized Nylon-6 nanofibers using electrospinning technique and their characteristics. The method used in this study was an experimental method with a quantitative approach. Nylon-6 nanofibers have been produced using the electrospinning method. This fiber was made with different concentrations, i.e. 20% w/w (FN1), 25% w/w (FN2), and 30% w/w (FN3). The SEM results show that the morphology of all nylon-6 nanofibers) forms perfect fibers without bead fiber. Increasing fiber concentration from 20% w/w to 30% w/w results in bigger morphology and fiber diameter. The dimensions of the FN1, FN2, and FN3 fibers are 1890 nm, 2350 nm, and 2420 nm, respectively. The results of FTIR analysis showed that the increase in the concentration of nylon-6 (b) and the electrospinning process caused a peak shift in the amide II group (CH2 bond), the carbonyl group and the CH2 stretching of the amide III group from small wave numbers to larger ones. The results of XRD characterization showed that the electrospinning process affected the changes in the XRD pattern of nylon-6 nanofiber (FN1, FN2, and FN3) in the state of semi crystal. Nylon-6 nanofibers can be used for applications in medicine, air filters, and electrode for capacitors
The morphology of polyvinylpyrrolidone nanofibers containing Anredera cordifolia leaves Sriyanti, Ida; Almafie, Muhammad Rama; Nugraha, Yuda Prasetya; Idjan, Meutia Kamilatun Nuha Ap; Jauhari, Jaidan
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 10 No 2 (2021): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v10i2.8820

Abstract

The electrospinning method has been used successfully to make polyvinylpyrrolidone nanofiber containing Anredera cordifolia leaves (BLE). The research methods used were qualitative and pure experiment method. Polyvinilpirolidone nanofibers containing BLE were prepared with three mass variations of the polyvinylpyrrolidone (% w/w), namely 12%, 10%, and 8% w/w, respectively. The results of the macroscopic photo show that the fiber structure looks white for PVP nanofibers and yellow for PVP/BLE nanofibers. The fiber morphology was analyzed using SEM and the results showed that PVP and all PVP/BLE nanofibers were like a continuous strand of crossbars with a diameter of 590 – 1190 nm. The decrease in the concentration of the PVP polymer led to a reduction in the diameter of the resulting nanofibers. The coefficients of variance (ε), of the PVP, BLE1, BLE2, and BLE3 nanofibers were 0.06, 0.09, 0.11, and 1.22, respectively. The physicochemical structure of the nanofibers was evaluated using XRD and FTIR. The chemical analysis (FTIR) showed that there was a molecular interaction between Anredera cordifolia leaves extract and polyvinylpyrrolidone in the form of hydrogen bonds. The physics analysis (XRD) shows the effect of the electrospinning process, which is to change the structure of BLE crystals to semi crystals. The application of PVP/BLE nanofiber for wounds dressing
Pengaruh Parameter Proses Electrospinning pada Komposit Polyvinylidene Fluoride/Polyacrylonitrile Nanofiber Sriyanti, Ida; Almafie, Muhammad Rama; Dani, Rahma; Idjan, Meutia Kamilatun Nuha Ap; Partan, Radiyati Umi; Sanjaya, M Rudi; Jauhari, Jaidan
Jurnal Penelitian Pendidikan IPA Vol 9 No 9 (2023): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i9.4840

Abstract

PAN cannot be used as a stand-alone nanofiber, so it needs to be modified through copolymerization with other polymers, such as PVDF. It is composite mutually beneficial for both PVDF/PAN polymers. Study aims to see the effect of process parameters, such as voltage, flow rate and needle tip distance of PVDF/PAN composite nanofiber as well as molecular interaction and crystal structure, to confirm the presence of polymer in the nanofiber composite. The nanofibers with solution parameters PN1: PVDF 6% and PAN 8%, PN2: PVDF 6% and PAN 10%, and PN3: PVDF 6% and PAN 12% were prepared using electrospinning. Morphology of the process parameters of voltage (12kV, 16kV, 18kV), flow rate (30 μl/min, 60 μl/min, 90 μl/min) and needle tip distance (75 mm, 100 mm, 125 mm) were observed. The results showed straight and continuous fibre morphology, with a smooth surface and no beaded structure, with homogeneous fibre distribution with an increase in diameter from 394 ± 79 nm (NF1) to 851 ± 89 nm (NF3). The optimal state was in the solution of PN2: PAN 10% (w/w) and PVDF 6% (w/w), High Voltage 12 kV, Flow Rate PN3: 60 μl/min, and Needle to Collector Distance 75 mm.
Co-Authors Agustini, Meily P Ahmad Rifai Ali Ibrahim Allsela Meiriza, Allsela Almafie, Muhammad Rama Ani Nidia Listianti, Ani Nidia Apriansyah Putra Dani, Rahma Dedy Kurniawan Dwi Rosa Indah Endang Lestari Ruskam Ermatita - Ida Sriyanti Ida Sriyanti Idjan, Meutia Kamilatun Nuha Ap Intan Oktariani Ken Dhita Tania Leni Marlina M Rama Almafie M Rudi Sanjaya M. Rudi Sanjaya MARIA BINTANG Mauluddin, Muhammad Hidayat Megah Mulya Meily P Agustini MEURETTA ALAWIYAH PULUNGAN Meutia Kamilatun Nuha Ap Idjan Mgs Afriyan Firdaus MGS. Afriayan Firdaus Mohammad bin Ibrahim Muhammad Rendi Nugraha, Yuda Prasetya Pacu Putra Paulus Paskah Lino Susilo Radiyati Umi Partan Radiyati Umi Partan, Radiyati Umi RAFLI PANDU RAMADHANI Riyanto Sanjaya, M Rudi Sanjaya, Rudi srilistari srilistari Sukemi Sukemi Susilo, Paulus Paskah Lino Syamsiar, Syamsiar Yadi Utama Yuda Prasetya Nugraha Yudha Pratomo Zainuddin Nawawi