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All Journal Jupe-Jurnal Pendidikan Ekonomi Physics Student Journal Journal of Environmental Engineering and Sustainable Technology Science and Technology Indonesia Jurnal Sains Teknologi dan Lingkungan (JSTL) Jukung (Jurnal Teknik Lingkungan) ORBITA: Jurnal Pendidikan dan Ilmu Fisika SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Jurnal Pengabdian Magister Pendidikan IPA Kappa Journal Acta Chimica Asiana Jurnal khabar: Komunikasi dan Penyiaran Islam Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Pharmacy Reports POLICY, LAW, NOTARY AND REGULATORY ISSUES (POLRI) Kreasi: Jurnal Inovasi dan Pengabdian Kepada Masyaraka Jurnal Pepadu Saber: Jurnal Teknik Informatika, Sains dan Ilmu Komunikasi
Arif Budianto
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Religion Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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UJI EFISIENSI TUNGKU TANAH LIAT BERDAYA SEDANG BUDIANTO, ARIF; Nurhuda, M.; Nadhir, Ahmad
Physics Student Journal Vol 2, No 1 (2014)
Publisher : Department of Physics - Faculty of Science

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

Abstract

Penelitian ini bertujuan untuk menguji efisiensi tungku tanah liat berdaya sedang dan menganalisis faktor-faktor yang mempengaruhinya dengan metode WBT (Water Boiling Test). Sampel bahan bakar biomassa adalah kayu pinus (nilai kalor 4872 kal/ gram) dan kayu campuran (3528 kal/ gram) dalam kondisi  air dried.  Sampel kayu dipotong menjadi potongan kecil menyesuaikan dimensi tungku,  kemudian ditimbang, dan diberi label keterangan massanya. Digunakan tiga variasi volume pemasakan air, yakni Volume Kecil (8 liter), Volume Sedang (10  liter), dan Volume Besar (12 liter). Tiap volume air dimasak menggunakan kedua jenis kayu bakar, diukur temperatur lingkungan sekitar, lalu diukur perubahan temperatur air dan penambahan kayu bakar tiap menitnya dari awal pemasakan hingga mencapai temperatur maksimal (mendidih). Pemasakan air menggunakan kayu pinus untuk tiap volume menghasilkan efisiensi masing-masing 27,25; 20,44; dan 23,99%, sedangkan menggunakan kayu campuran masing-masing 25,61; 20,51; dan 23,95%. Hasil tersebut menunjukkan  bahwa efisiensinya (rata-rata 23,63%) lebih  baik dibandingkan dengan tungku kayu bakar tradisional (5-10%). Efisiensi dipengaruhi oleh nilai kalor kayu, konsumsi kayu, massa air yang dimasak, dan kondisi mula-mula tungku. Kata kunci: Tungku tanah liat berdaya sedang, Efisiensi, Kayu Pinus, Kayu campuran
UPAYA MENINGKATKAN PRESTASI BELAJAR AKUNTANSI MELALUI PEMBELAJARAN METODE DEMONSTRASI DENGANMEDIA DOKUMEN TRANSAKSI Budianto, Arif; Ngadiman, -; Sumaryati, Sri
Jupe-Jurnal Pendidikan Ekonomi Vol 1, No 2 (2013): Jurnal Pendidikan Ekonomi (JUPE)
Publisher : Jupe-Jurnal Pendidikan Ekonomi

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Abstract

ABSTRAK Tujuan penelitian ini adalah untuk mengetahui peningkatan prestasi belajar siswa kelas XI IPS 2melalui metode demonstrasi dengan media dokumen transaksi. Penelitian ini merupakan penelitian tindakan kelas (PTK) yang dilaksanakan dalam dua siklus. Subjek penelitian adalah siswa kelas XI IPS 2 yang berjumlah 30 siswa. Teknik pengumpulan data adalah dengan dokumentasi, test, observasi, dan wawancara. Validitas data menggunakan triangulasi sumber dan triangulasi metode. Analisis data menggunakan metode analisis kuantitatif dan metode analisis kualitatif. Hasil penelitian menunjukkan terdapat peningkatkan prestasi belajar akuntansi. Hasil belajar siklus naik menjadi 83%. Kemandirian siswa selama mengerjakan post testnaik menjadi 90%.Perhatian siswa pada saat demonstrasinaik menjadi 90%. Keaktifan siswa dalam berdiskusinaik menjadi 83,3%. Simpulan dalam penelitian ini adalahpenerapan metode demonstrasi dengan media dokumen transaksi dapat meningkatkan prestasi belajar siswa kelas XI IPS 2.   Kata kunci: prestasi belajar, metode demonstrasi, dokumen transaksi   ABSTRACT   The objective of the research is to know the increasing of students? learning achievement in XI IPS 2 with demonstration method by document transaction media. This research is class room action research held in two cycles. The subject of this research is a class XI IPS 2 which totaled 30 student. Technique of data collecting is done by,  testing, documentation, testing, observation, and interviews. The data validity used source triangulation and method triangulation. The data analysis used quantitative analysis method and qualitative analysis method. The result of the research shows that can improve accounting learning achievement, see in (1)Learning outcomes showing an increase 18,8%. (2) The independence of students in working during the post test showing an increase 51,4%. (3) Students? attention during the demonstration showing an increase 21,6%. (4) The students? activeness during the discussion showing an increase 83%. The conclusion of the research is that the implementation of demonstration method by document transaction media can improve students? learning achievement in XI IPS 2.   Key words: learning achievement, demonstration method, and document transaction.
Workshop Analisis Kristalografi Dengan Metode Rietveld Menggunakan Aplikasi X’Pert Highscore Ramadian Ridho Illahi; Arif Budianto; Zahrah Ramadlan Mubarokah; Dian W. Kurniawidi; Siti Alaa; Teguh Ardianto; Susi Rahayu
Jurnal Pengabdian Magister Pendidikan IPA Vol 6 No 2 (2023): April-Juni
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v6i2.4463

Abstract

Final year students are required to have the ability to innovate, be creative, have personality, and develop independence in seeking and finding knowledge through realities and field dynamics such as ability requirements, real problems, social interaction, collaboration, self-management, as well as performance demands and achievement targets. In order for students' hard skills and soft skills to be formed strongly, it is felt necessary to provide additional skills, especially those that support the completion of the Final Project. Workshops on the use of the Originlab are quite urgent in research so as to speed up the completion of the Final Project (Thesis) for students interested in Materials. This software is commonly used to prepare XRD, FT-IR, UV-Vis and other spectra that are quite important in materials. In this explanation, a brief description of the XRD data preparation steps is described, starting from data input to quantitative and qualitative data analysis. Data analysis was carried out including determining the value of particle size, FWHM, crystal structure and lattice strain. Workshop participants totaled 20 students and were held for 7 days, from 7 to 15 May 2023 with details of 2 days offline, 1 day online via G-Meet and 4 days of mentoring.
PENGEMBANGAN SISTEM PENGUKURAN EMISI UDARA JENIS FINE PARTICLE SKALA PORTABLE UNTUK LABORATORIUM Arif Budianto; Susi Rahayu; Ramadian Ridho Illahi; Lalu Sahrul Hudha; Intan Utami
Jukung (Jurnal Teknik Lingkungan) Vol 9, No 2 (2023)
Publisher : Program Studi Teknik Lingkungan Fakultas Teknik Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jukung.v9i2.17574

Abstract

Emisi udara jenis fine particle tergolong partikel submikron yang berukuran sangat kecil dan sangat mudah untuk terhirup. Sistem pengukuran ataupun mitigasi emisi ini tergolong relatif mahal dan kurang portable. Oleh sebab itu, penelitian ini bertujuan untuk mengembangkan sebuah sistem portable yang relatif murah untuk pengukuran emisi udara jenis fine particle dalam ruang laboratorium. Sistem dirancang dengan sebuah sensor partikulat yang relatif murah namun memiliki performa yang baik. Sensor tersebut dihubungkan dengan sebuah mikrokontroler yang berfungsi memproses sinyal sensor. Sistem diuji di dalam area soldering laboratorium selama satu jam. Hasil penelitian menunjukkan bahwa ruang laboratorium, pada area soldering, memiliki konsentrasi fine particle antara 23 sampai dengan 463 µg/m3. Sistem ini memiliki performa yang baik, ditunjukkan dengan linearitas 99% dan akurasi lebih dari 90%. Hasil penelitian menyimpulkan bahwa sistem dapat mendeteksi sekaligus mengukur besar konsentrasi emisi udara jenis fine particle skala ruangan dengan rentang 0 – 999 µg/m3. Kata kunci: emisi, partikulat, polusi udara, sistem pengukuran
Fabrication of fine particle powder from Teak (Tectona Grandis) leaves as a textile dyeing with environmentally friendly technology Budianto, Arif; Dewi, Diah L.; Rahayu, Susi; Kurniawidi, Dian W.; Akhyar, Halil; Alaydrus, Alfina T.
ORBITA: Jurnal Pendidikan dan Ilmu Fisika Vol 10, No 1 (2024): May
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/orbita.v10i1.22509

Abstract

Green technology for eco-friendly dyes in textile industries has been required in recent decades. An innovation was established by producing textile dyes from natural sources. This research aims to identify fine particle powder's characteristics and analyze the color changes applied to the textile. The mechanical thermal was utilized to produce natural dyes. Three main stages were conducted to obtain dye powder: mordant, coloring, and fixation. The dye powder was examined for water content, phytochemical tests, FTIR, SEM-EDX, and color using the Android-based Color Analyzer and Color Grab applications. The results show that the water content of 7.21% meets the SNI 01-3709-1995 standard. So, the powder can be stored for a long time because it does not quickly spoil. In addition, the phytochemical test resulted in alkaloids, flavonoids, and tannins. This revealed that teak leaf powder can be a suitable textile dye. After that, SEM-EDX examination illustrated that the powder had a round, flat, elongated morphology, a sharp edge texture, and an irregular position. Meanwhile, the EDX signified that the recognized chemical elements did not damage the environment, and the powder diameter ranges from 0.5-8.5 μm. The powder size complied with the fine particle powder category. To analyze the color from the dye powder application, there were color changes during each dyeing process. During all stages, from making the powder to applying the powder to the fabric, environmentally friendly technology was utilized. Therefore, this research can promote new opportunities for innovation and development of highly competitive products towards a more environmentally friendly and sustainable textile industry.
Design of a Frequency Controller System for UHF Radio Wave Receiver Device Wahyudi, Sopian Ari; Wirawan, Rahadi; Budianto, Arif; Rahayu, Susi
KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Vol 9 No 01 (2024): KONSTAN (Jurnal Fisika dan Pendidikan Fisika)
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/konstan.v9i01.477

Abstract

Frequency is fundamental in data communication for transmitter and receiver stations. The most common problem found in the data communication is the signal quality measurement. A LoRa module, as one of the wireless devices with UHF (Ultra High Radio) frequencies, has extended range frequencies and signal strength parameters (RSSI, Received Signal Strength Indicator). RSSI parameter on signal bandwidth and the distance between stations. However, there is no supporting research in terms of the RSSI quality and short-distance variations. In line with this, this study aims to design a frequency control system of a LoRa module and to investigate the effect of short-distance and frequency differences on RSSI. The system consists of a transmitter, a LoRa SX1278 module, and push buttons as frequency control buttons. The system's performance was tested by receiving data over various distances from 0 to 1.25 m. The results show that the system works efficiently in controlling the frequency (ranging from 433 – 525 MHz) with good flexibility and accuracy. The system maintained an RSSI level > -120 dBm using a constant power supply and varied distances. The highest RSSI level is found at the shortest distance (0.2 m) with a higher frequency (525 MHz). There is a significant correlation between distance, frequency variations, and RSSI levels (R2 > 0.75). It can be concluded that the LoRa SX1278 module can be used as a short-distance-based data communication with moderate quality (average RSSI levels are about 80 - 120 dBm). Higher frequencies provide better RSSI levels due to increased transmission energy.
The relationship between service quality and customer satisfaction: a case study at Nh Beji Pharmacy Budianto, Arif; Pradani, Dea Yulinestria; Rachmania, Nindita; Widiantoro, Edwin; Damanik, Alaris Darasito; Cahyono, Dwi
Pharmacy Reports Vol. 2 No. 1 (2022): Pharmacy Reports
Publisher : Indonesian Young Scientist Group and UPN Veteran Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51511/pr.6

Abstract

Customer satisfaction is a critical indicator of the quality of pharmaceutical services and products pharmacies provide. It holds strategic importance in the pharmacy sector, significantly influencing repeat patronage and referrals. Satisfied customers are more likely to recommend the pharmacy to others, which can substantially contribute to the business's long-term growth. This study identifies service variables at Nh Beji Pharmacy that enhance customer satisfaction and evaluates their impact on patients' loyalty and their propensity to refer new customers. By exploring the link between customer satisfaction, repeat business, and referrals, the study aims to highlight the value of customer-focused services in pharmacies. Through interviews with 55 patients randomly selected from service records and provided informed consent for the 2019-2020 period, the study identified seven service variables that significantly boost customer satisfaction at Nh Beji Pharmacy. The findings demonstrate a notable correlation between customer satisfaction and patients' willingness to return and recommend the pharmacy, underscoring the importance of prioritizing customer satisfaction in pharmaceutical service delivery.
A PROPANOL GAS MEASUREMENT SYSTEM USING A QUARTZ CRYSTAL MICROBALANCE AS A MASS SENSOR Budianto, Arif
Journal of Environmental Engineering and Sustainable Technology Vol 9, No 02 (2022)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2022.009.02.4

Abstract

Propanol gas is an alcohol compound classified as a volatile organic compound (VOC). This gas can be classified as air pollution with a harmful impact on human health. There is an urgent need to minimize the health impact by mitigating propanol gas concentration. There is limited information about propanol gas measurement. Therefore, developing a propanol gas measurement device with high sensitivity and selectivity is necessary. Hence, this study developed a propanol gas concentration measurement system based on a bare quartz crystal microbalance. This crystal was placed inside an experimental chamber and exposed to propanol gas. The crystal frequency shift was measured using a frequency counter. The results show that the propanol gas concentration is linearly correlated to the frequency shift resulting in the crystal with a regression coefficient of R2 > 0.75). The system can measure propanol concentrations <1 μg.L-1 with a sensitivity of 5 Hz.mg.L-1. It can be concluded that a gravimetry-based measurement system using a quartz crystal microbalance has the potential to measure the concentration of propanol gas.
UJI EFISIENSI FILTER PARTIKULAT MATTER BERBAHAN SERBUK KAYU UNTUK MENGURANGI EMISI FINE PARTICLE ASAP ROKOK Destrianingtyas, Aulia Safitri; Hurnah, Hurnah; Fajriah, Baiq Nurul; Wahana, Lidia; Budianto, Arif; Rahayu, Susi; Anggriani, Ni Ketut
Jukung (Jurnal Teknik Lingkungan) Vol 10, No 1 (2024)
Publisher : Program Studi Teknik Lingkungan Fakultas Teknik Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jukung.v10i1.20601

Abstract

Partikulat yang dikeluarkan oleh asap rokok diketahui berkontribusi terhadap polusi udara dan berdampak negatif terhadap kesehatan manusia. Oleh karena itu, diperlukan upaya untuk mengurangi konsentrasi asap rokok di udara. Dalam penelitian ini, kami mengembangkan filter partikulat yang terbuat dari serbuk kayu dengan tepung terigu sebagai perekat filternya. Variasi filter yang digunakan pada penelitian ini adalah filter yang dijemur langsung di bawah sinar matahari dan menggunakan pengering rambut. Filter ini ditandai dengan nilai efisiensinya dalam mengurangi emisi asap rokok. Efisiensi filter dalam mereduksi partikel ditentukan dengan membandingkan asap rokok sebelum dan sesudah penambahan filter. Hasil penelitian menunjukkan nilai efisiensi filter dalam mereduksi partikel asap rokok adalah sekitar 95,24%. Nilai efisiensi yang dihasilkan dari variasi perlakuan filter yang berbeda tidak menunjukkan perbedaan nilai yang signifikan.
MENDUKUNG NTB DALAM PROGRAM NZE 2050 DENGAN EDUKASI 6R (REFUSE, REDUCE, REUSE, RECYCLE, RETHINK, and ROT) UNTUK SAMPAH PLASTIK DI SMA N 2 SELONG, LOMBOK TIMUR Putraji, L.M. Guguh; Ardianto, Teguh; Budianto, Arif; Hudha, L. Sahrul; Rahayu, Susi; Kurniawidi, Dian W.
Jurnal Pepadu Vol 5 No 4 (2024): Jurnal PEPADU
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/pepadu.v5i4.6052

Abstract

Sampah secara umum dihasilkan dari kegiatan manusia sehari-hari. Dari berbagai jenis sampah, sampah plastik merupakan sampah non-organik yang paling banyak dihasilkan, tidak dapat diurai secara alamiah, dan memiliki dampak bagi kesehatan maupun lingkungan. Kabupaten Lombok Timur, memproduksi sampah terbanyak setiap harinya di Provinsi Nusa Tenggara Barat. Usaha mengurangi sampah perlu didukung oleh kesadaran masyarakat untuk mengurangi sampah dan memilah sampah sehingga dapat mengurangi beban pengelolaan sampah yang dilakukan oleh pemerintah daerah, terlebih setelah pemerintah propinsi NTB menggaungkan program Net Zerowaste Emission Tahun 2050. SMA N 2 Selong merupakan salah satu sekolah di wilayah Selong Lombok Timur yang diharapkan mampu menjadi pionir dalam edukasi pengembangan kesadaran diri sehingga memiliki peran yang sangat stategis untuk mengedukasi masyarakat. Oleh karena itu, untuk mengatasi permasalahan sampah perlu dilakukan edukasi pemilahan sampah plastik di lingkungan sekolah. Bahkan perlu diperkenalkan manfaat mendaur ulang sampah karena hal ini akan menunjukkan animo generasi muda dalam mewujudkan program zero waste di lingkungan SMA N 2 Selong, dan nantinya diharapkan pada generasi muda di seluruh wilayah Lombok Timur. Kegiatan ini diikuti oleh siswa kelas X, XI dan XII sejumlah 54 siswa terpilih dan hampie seluruh guru SMA N 2 Selong dengan respon Sangat Memuaskan.
Co-Authors - Ngadiman Agista, Wida Puteri Ahmad Nadhir Akhyar, Halil Alaa, Siti Alaa, Siti Alawiyah, Geby Alaydrus, Alfina T. Alfina Taurida Alaydrus Alhadawiah, Sabila Anggriani, Ni Ketut Apriza, Nanda Medina Damanik, Alaris Darasito Della Monica Destrianingtyas, Aulia Safitri Dewi, Diah L. Dian W. Kurniawidi DWI CAHYONO Fajriah, Baiq Nurul Fidya, Karina Alma Hadi, Kasnawi Al Hasanah, Khofizzatul Hurnah Hurnah, Hurnah Intan Utami Juniarti, Rosita Kasnawi Al Hadi Kormil Saputra Kurniawidi, Dian W. Kurniawidi, Dian Wijaya Lalu Sahrul Hudha Lestari, Sintya Dewi M. Nurhuda Marlina, Resti Moh. Bahtiar Muhammad Al Ghiyats Yudho Pratama Nabilla, Dewi Alya Nita, Surya Nurfadilah Pradani, Dea Yulinestria Putraji, L.M. Guguh Rachmania, Nindita Ramadian Ridho Illahi Ramdhan Azwar Renata Rubi'ah, Siti Salas, Hagi Julio Satutik Rahayu Sri Sumaryati Suhayat Minardi Susi Rahayu Syamsuddin Syamsuddin Tata Sutabri Teguh Ardianto, Teguh Thathit Suprayogi Wahana, Lidia Wahyudi, Sopian Ari Widiantoro, Edwin Wijaya, Roviq Wirawan, Rahadi Zahrah Ramadlan Mubarokah