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All Journal Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Eksergi: Chemical Engineering Journal JIPF (Jurnal Ilmu Pendidikan Fisika) Turbo : Jurnal Program Studi Teknik Mesin WIDYABHAKTI Jurnal Ilmiah Populer JURNAL CRANKSHAFT To Maega: Jurnal Pengabdian Masyarakat Jurnal Engine: Energi, Manufaktur, dan Material G-Tech : Jurnal Teknologi Terapan JPKMI (Jurnal Pengabdian Kepada Masyarakat Indonesia) Jurnal Sains dan Teknologi Mekanisasi: Jurnal Teknik Mesin Pertanian
Diah Mahmuda
Politeknik Negeri Sambas
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary Other

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REMEDIASI MISKONSEPSI SISWA MATERI HUKUM NEWTON MENGGUNAKAN MODELQUANTUM TEACHINGDI SMPN 3 SEMPARUK Deviani, Nur Rastie; Djudin, Tomo; Mahmuda, Diah
Jurnal Pendidikan dan Pembelajaran Khatulistiwa Vol 7, No 9 (2018): September 2018
Publisher : Jurnal Pendidikan dan Pembelajaran Khatulistiwa

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

AbstractThis research was aimed to find out the effectiviness of quantum teaching method in remediation of students’ misconception in newton law material at SMP Negeri 3 Semparuk. Pre-experimental design with one group pretest-posttest design was used in this research. Sample of this research was students of VIII B class (n=24) who was choosen by intact group random sampling technique. This research used diagnostic test which consists of 8 multiple choise question with open reasoning. Based ondata analysis, the result as: the average decrease of misconceptions equal to 43,09%,  and the level effectiveness of remediation was in the middle (DQM=50,92%). Based on there results, it was expected that quantum teaching method can be used as an alternative remediation activities to overcome students’ misconception.Keywords: Misconception, Remediation, quantum teaching method, Newton’s law
Pendampingan Pembuatan Dan Pengemasan Frozen Food Pada Ibu Rumah Tangga Kiki Kristiandi; Diah Mahmuda; Nurul Fatimah Yunita; Maryono Maryono
To Maega : Jurnal Pengabdian Masyarakat Vol 5, No 2 (2022): Juni 2022
Publisher : Universitas Andi Djemma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35914/tomaega.v5i2.1037

Abstract

Frozen food atau olahan pangan beku merupakan pangan praktis dan digemari oleh semua kalangan masyarakat. Keunggulan dari frozen food yaitu memiliki umur simpan yang lama, proses pembuatannya yang mudah dan juga proses untuk memasaknya cukup singkat. Frozen food merupakan salah satu pergeseran pola konsumsi akibat gaya hidup. Tujuan dilakukannya pendampingan ini adalah untuk meningkatkan pemahaman ibu rumah tangga dalam pengolahan pangan dan dapat pula menjadi sebuah solusi pemberian makanan pada rumah tangganya, selain itu pula dapat menjadi sebuah peluang usaha untuk dapat dikembangkan. Peserta dalam pendampingan ini merupakan ibu rumah tangga yang berjumlah 16 peserta. Teknik pengambilan peserta ini adalah dengan melakukan penyebaran brosur pelatihan pada masyarakat dan selanjutnya mendaftar melalui online kemudian dibentuk group whatsup agar memudahkan dalam berkomunikasi dan berbagi informasi satu dengan yang lain. Kegiatan lain yang dilakukan diberikan pula teknik pengemasan dengan menggunakan sealer. Jenis kemasan yang diguanakan dalam pendampingan ini adalah plastik Polipropilena (PP), untuk memudahkan proses dibuatkan pula buku panduan dalam pengolahan frozen food. Berdasarkan hasil yang didapatkan selama pendampingan dengan menggunakan metode wawancara langsung bahwa ibu rumah tangga tertarik dan antusias dalam pembuatan frozen food. Untuk pemahaman frozen food pada ibu rumah tangga dikategorikan baik (87%), sedangkan sisanya (13%) tidak baik. Namun peserta tidak pernah melakukan olahan frozen food. Pendampingan ini diharapkan dapat memberikan kontribusi terhadap pemahaman ibu rumah tangga untuk membuat pangan sehat dan mudah dalam pembuatannya, selain itu pula dapat membuka peluang usaha rumah tangga agar memberikan pendapatan lebih.
Magnetite Surface Modification with Silica and Its Application as Adsorbent of Heavy Metal Ion Nickel and Manganese Diah Mahmuda
Eksergi Vol 19, No 1 (2022)
Publisher : Prodi Teknik Kimia, Fakultas Teknologi Industri, UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/e.v0i0.5304

Abstract

This study aims to synthesize magnetite by a co-precipitation method. The prepared adsorbent magnetite coated by silica for the efficient removal nickel and manganese ions from the aqueous solutions. The prepared samples have characterized by several techniques like FTIR spectroscopy, XRD, and TEM. Surface modification causes the magnetite ability of removing metals ions increasing more than 98%. Preliminary results indicate that magnetite coated silica may be used as an adsorbent for removal of nickel and manganese ions from wastewater.
Pembuatan Instalasi Panel Surya pada Sistem Hidroponik di Desa Dalam Kaum Iklas Sanubary; Pande Putu Agus Santoso; Diah Mahmuda
WIDYABHAKTI Jurnal Ilmiah Populer Vol. 4 No. 1 (2021): Nopember
Publisher : STIKOM Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30864/widyabhakti.v4i1.285

Abstract

Sistem pertanian hidroponik selama ini masih menggunakan listrik PLN sebagai sumber penggerak pompa air, sehingga berdampak pada stabilitas tegangan listrik di rumah dan biaya yang harus dikeluarkan untuk membayar tagihan listrik. Pada Pengabdian Kepada Masyarakat (PKM) ini, dibuat instalasi panel surya pada sistem hidroponik sebagai penggerak pompa air di Desa Dalam Kaum, Sambas. Panel surya yang digunakan berukuran 100 WP dilengkapi dengan solar controller dan aki 12V 10 Ah sebagai penyimpan energi yang dihasilkan oleh panel surya. Hasil dari pemanfaatan teknologi tenaga surya ini mampu mengatasi permasalahan konsumsi listrik yang berlebih, karena pompa air digunakan secara terus menerus selama 24 jam untuk mengalirkan air dan nutrisi pada tanaman. Selain itu, penggunaan tenaga surya juga dapat menjadi solusi dari seringnya terjadi pemadaman listrik yang dapat menyebabkan tanaman pada sistem hidroponik cepat layu terutama di siang hari karena kekurangan air dan nutrisi.
Rancang Bangun Alat Pencetak Briket Hidrolik dengan Sistem Gerak Rel Diah Mahmuda
INSOLOGI: Jurnal Sains dan Teknologi Vol. 1 No. 3 (2022): Juni 2022
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (303.666 KB) | DOI: 10.55123/insologi.v1i3.329

Abstract

This study aims to design a hydraulic briquette press with a rail system to produce briquettes from coconut shell waste that is simple and easy to operate. Starting from designing the foundation (rail system), briquette tube table and piston pressing plate, to becoming a pressing tool using CAD software. The foundation was designed using square plate steel with size of 340 mm x 220 mm. The plate thickness of 4 mm and distance of 2 rails of 90 mm. The pressing tube plate consists of 2 tables which has 8 print tubes with a diameter of 22 mm and height 70 mm. The pressing piston plate uses a bolt connection so the piston can be set in line with the printing tube hole when the briquette press is operated. As a result, a hydraulic press with a table movement system in the form of a rail system was successfully built to make briquettes made from coconut shell charcoal with a capacity of 6.24 kg per hour. In one process, this tool produces 16 cylindrical briquettes with a diameter of 22 mm and a length of 50 mm.
Pembuatan Alat Pengering Cocopeat dengan Sistem Hybrid Berbasis Panel Surya Pande Putu Agus Santoso; Iklas Sanubary; Diah Mahmuda
Jurnal Engine: Energi, Manufaktur, dan Material Vol 6, No 2 (2022)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v6i2.1235

Abstract

The purpose of this study was to describe the process and results of making cocopeat dryers with a hybrid system based on solar panels. This research was conducted with a tool development method consisting of five steps, namely literature study, design, tool and material preparation, manufacturing, and functional tests. The study results were (1) the process of making cocopeat dryers with a hybrid system based on the solar panel was the calculation of solar panel components, frame making, coating of frames with the casing, assembling of electronic components, and functional tests. (2) The cocopeat dryer with a hybrid system based on solar panels that have been made has dimensions of 120 cm in length, 60 cm in width, and 130 cm in height—equipped with a 100 Wp solar panel, a 12 V 65Ah dry battery, a 600 W inverter, three 15W halogen lamps, and a 22W fan. (3) The functional test results show that the average temperature inside the dryer is 52.84oC, 8.56oC higher than the temperature outside the tool. The average humidity inside the dryer is 23.4%, 17.2% lower than the humidity outside the appliance.     
Pelatihan Pemanfaatan Limbah Tenun dengan Teknik Patchwork bagi Komunitas Pengrajin Tenun Diah Mahmuda; Winda Apriani; Ee Zurmansyah; Pande Putu Agus Santoso
JPKMI (Jurnal Pengabdian Kepada Masyarakat Indonesia) Vol 3, No 4: November (2022)
Publisher : ICSE (Institute of Computer Science and Engineering)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/jpkmi.v3i4.490

Abstract

Abstrak: Kerajinan tenun merupakan salah satu produk unggulan industri mikro masyarakat Desa Sumber Harapan, Kabupaten Sambas. Sudah sejak lama limbah kain tenun dibiarkan menumpuk di gudang atau dibakar sehingga menimbulkan asap dan gas yang mencemari lingkungan. Tujuan dari kegiatan ini adalah memberikan transfer ilmu dan wawasan terkait dengan pemanfaatan limbah kain tenun sambas yang dapat diolah kembali menjadi produk baru bernilai jual dengan teknik patchwork. Mitra dalam kegiatan pengabdian ini adalah komunitas pengrajin tenun dari Desa Sumber Harapan, Kabupaten Sambas. Metode pelaksanaan pengabdian berupa sosialisasi program kepada mitra, membagi mitra menjadi kelompok kecil yang beranggotakan 4-5 orang dan membagikan alat dan bahan serta modul. Materi pelatihan berupa teknik dasar patchwork, dimulai dari pemilihan kain, penghitungan kebutuhan kain, pembuatan cetakan pola, pemindahan pola ke kain, pemotongan kain, pembuatan HST (half square triangle) dan flying geese, penjahitan potongan kain, perataan kampuh, penjahitan barisan blok, pembuatan bingkai (border) hingga pembuatan sambungan antarblok (sashing). Selanjutnya seluruh mitra dibimbing untuk praktik secara mandiri dan mengerjakan proyek kelompok. Hasilnya mitra mampu mengaplikasikan ilmu dan mengembangkan keterampilannya dalam memanfaatkan dan mengolah limbah kain tenun menjadi berbagai produk yang bernilai ekonomi seperti foodmat, placemat, alas kulkas, dan totebag. Aneka kreasi produk yang dihasilkan kedepannya diharapkan bisa menjadi sumber pendapatan tambahan bagi para pengrajin tenun Desa Sumber Harapan.Abstract: Weaving craft was one of the superior products of the micro-industry community of Sumber Harapan Village, Sambas Regency. For a long time, woven fabric waste has been allowed to accumulate in warehouses or be burned, causing smoke and gases that pollute the environment. The purpose of this community service activity was to provide knowledge transfer and insight related to the utilization of sambas woven waste which can be reprocessed into new products using patchwork techniques. Partners in this service activity were the community of weaving craftsmen from Sumber Harapan Village, Sambas Regency. The method of community services implementation was socializing the program to partners, dividing partners into small groups consisting of 4-5 people and distributing tools, materials and modules. The training materials are in the form of basic patchwork techniques, starting from fabric selection, calculating fabric needs, making pattern prints, transferring patterns to fabric, cutting fabric, making HST (half square triangle) and flying geese, sewing pieces of fabric, smoothing seams, sewing block rows, making frames (borders) to making connections between blocks (sashing). Furthermore, all partners are guided to practice independently and work on group projects. As a result, partners can apply their knowledge and develop their skills in utilizing and processing woven waste into various products of economic value such as food mats, placemats, refrigerator mats, tote bags, and masks. The various product creations produced are expected to be a source of additional income for the weaving craftsmen of Sumber Harapan Village.
Creative Thinking Physics: A Review and Bibliometric Analysis Dea Arsi Prabaningtias; Edi Istiyono; Diah Mahmuda; Daly Arman; Fitria Arifiyanti
JIPF (Jurnal Ilmu Pendidikan Fisika) Vol 7, No 3 (2022): September 2022
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/jipf.v7i3.2599

Abstract

Creative thinking is one of the tallents required for the Industrial Revolution 4.0. The goal of this research is to conduct a comprehensive evaluation of the bibliometric literature on physics students' creative thinking abilities. Scopus data base articles discovered using publish software or perish (pop). This research analyzes 70 of 102 publications discovered in the Scopus database between 1960 to 2020. Mendeley's Reference Manager software is then used to handle the selected reference. After maintaining the database, this study uses Vosviewer software to classify and visualize it. In general, this study serves as an excellent starting point for future research on "creative thinking in physics." The principal result of this article is that are seven clusters, the authors who contribute the most and wherever the location of this research is carried out from the keyword “Creative Thinking in Physics”.
The effect of blade density variation to cocopeat mass that produce by Poltesa cocopeat machine Pande Putu Agus Santoso; Iklas Sanubary; Diah Mahmuda
TURBO [Tulisan Riset Berbasis Online] Vol 11, No 2 (2022): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v11i2.2186

Abstract

Cocopeat machines that have been developed today, were carried out with variations in the speed of rotation, blade length, blade shape, and treatment of objects (coconut coir immersion). There has been no development of a cocopeat machine that focuses on variations of blade density. It is suspected that the blade density affects to the difference of cocopeat mass produced. This study was a true experiment. The dependent variable was cocopeat mass. The independent variables were blade density, consisting of σ1 (84/210π), σ2 (42/210π) and σ3 (21/210π). For each variation of the independent variable was conducted 10 experiments. The study sample was 30 pieces of coconut coir. The mass of each coconut coir was 50 grams. The engine's spin speed, length and blade shape, are the same for all samples. The data was analyzed using the t test at a significance level of 5%. The average mass values of cocopeat were σ1 (  = 16.5430; S1 = 1.9674), σ2 (  = 12.2650; S2 = 1.8341) and σ3 (μ3 = 10.0988; SD = 1.8943). The t test showed that the difference in the average value of cocopeat mass between groups were to12 = 5,030; to23 = 2,598; and to13 = 7,462. If t-table value for ν = 18 was 2,101, so . Ho was rejected and H1 accepted, so there was a difference of cocopeate mass that produced by poltesa cocopeat machine, which is effected by variations of blade density.
Pengaruh Jumlah Panel dan Aki terhadap Waktu Operasi Pompa Air pada Sistem Hidroponik Tenaga Surya Pande Putu Agus Santoso; Diah Mahmuda; Iklas Sanubary
G-Tech: Jurnal Teknologi Terapan Vol 7 No 3 (2023): G-Tech, Vol. 7 No. 3 Juli 2023
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33379/gtech.v7i3.2525

Abstract

Masalah utama sistem hidroponik tenaga surya adalah belum ditemukannya metoda untuk mengoptimalkan waktu operasi pompa air. Diduga bahwa, jumlah panel surya dan aki, berpengaruh terhadap waktu operasi pompa air. Tujuan penelitian adalah mendeskripsikan pengaruh variasi rangkaian jumlah panel surya dan aki terhadap waktu operasi pompa air. Penelitian eksperimen ini memiliki variable terikat berupa waktu operasi pompa air serta variable bebas berupa variasi jumlah panel dan aki. Langkah penelitian adalah (1) merangkai panel surya (P) dan aki (A) dengan variasi 1P1A, 2P1A, 3P1A, 4P1A, 1P2A, 2P2A, 3P2A, dan 4P2A. (2) Menjemur setiap jenis rangkaian selama satu jam. (3) Memindahkan rangkaian pada tempat teduh dan menghidupkan pompa air. (4) Mencatat data waktu operasi pompa air. (6) Melakukan analisis data menggunakan uji-t dengan taraf signifikansi 5%. Hasil penelitian menunjukkan bahwa (1) semakin banyak penel surya maka waktu operasi pompa air semakin lama. (2) Semakin banyak aki maka waktu operasi pompa air semakin lama
Co-Authors . Sulastri Aspian, Hapit Astuty, Dwi Puji Daly Arman Dayu, Dayu Dea Arsi Prabaningtias Devi Hardiyanti Deviani, Nur Rastie Dina Yulinar Dita Dwi Anggreyni Edi Istiyono Edy Tandililing Edy Tandililing Edy Tandililing Ee Zurmansyah Fitria Arifiyanti Haratua Tiur Maria Silitonga Hardianti, Renny Iklas Sanubary Iman Syahrizal Jalaluddin, Muhammad Iqbal Kristiandi, Kiki Kusdianti, Indri leo sutrisno Maryono Maryono Meutia, Inarsih Nila Sari Novianti, Maria Dian Nurul Fatimah Yunita NURUL HIDAYAH Oktaviyanti, Dewi Permatasari, Melani Purwasih Purwasih Qoriman Bastani Reseyca, . Ridwan Ridwan Riki Perdana S, Stephanus Sahala Santoso, Pande Putu Agus Stepanus Sahala S, Stepanus Stepanus Sahala Sitompul Syafariani, Sri Tomo Djudin Tomo Djudin Utami, Fitria Winda Apriani Wirawan, Eztra Yuliarni, Ulfa Zaxa, Andrius ZK Abdurahman Baizal