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All Journal JMARS: Jurnal Mosaik Arsitektur KADIKMA Jurnal Ilmu Teknik Science and Technology Indonesia Jurnal Teknologi Mineral dan Batubara JURNAL SURYA ENERGY SCAFFOLDING: Jurnal Pendidikan Islam dan Multikulturalisme Jurnal Teknik Mesin, Industri, Elektro dan Informatika Literasi: Jurnal Pengabdian Masyarakat dan Inovasi
Sariman Sariman
Alumni STKIP Bina Bangsa Getsempena Banda Aceh
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Physics Other

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MENGUKUR INDUKTANSI SENDIRI KUMPARAN MENGGUNAKAN METODA RESISTANSI REFERENSI Sariman, Sariman
Jurnal Ilmu Teknik Vol 1, No 1 (2013): Jurnal Ilmu Teknik
Publisher : Sriwijaya University

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Abstract

Paper ini membahas cara lain mengukur induktansi sendiri menggunakan tahanan referensi, voltmeter, amperemeter dan perhitungan dengan hukum cosinus suatu sudut antara dua buah vektor tegangan yang diukur. Cara yang biasa digunakan menggunakan alat ukur khusus: induktansi meter. Dengan cara ini kita dapat memanfaatkan alat yang biasa ada di laboratorium dasar rangkaian listrik, sehingga tidak memerlukan alat ukur khusus yang cukup mahal. Keakuratan hasil hanya dipengaruhi oleh frekuensi sumber. Dalam hal ini frekuensi sumber dianggap tidak berubah.
Pengolahan red mud sebagai katalis pencairan batubara Sariman, Sariman; Amalia, Dessy; Wahyudi, Agus
Jurnal Teknologi Mineral dan Batubara Vol 4, No 12 (2008)
Publisher : Puslitbang tekMIRA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (16.273 KB)

Abstract

Usaha diversifikasi katalis berbasis besi untuk proses pencairan batubara telah dilakukan, salah satunya adalah red mud yang telah diaktivasi. Red mud adalah produk samping dari proses Bayer pembuatan alumina dari bijih bauksit. Katalis tersebut diperoleh melalui aktivasi red mud dengan asam (HCl atau H3PO4), masing masing dengan variasi pH yaitu 5, 8 dan 11. Red mud aktif ditunjukkan dengan menurunnya kandungan natrium. Kinerja katalis yang dihasilkan diuji melalui proses sulfidasi, yang ditunjukkan dengan terbentuknya senyawa aktif pirotit, dan proses pencairan batubara dengan menghitung  persen konversi batubara cair yang dapat dihasilkan. Hasil penelitian menunjukkan bahwa kandungan natrium dalam red mud dapat diturunkan sebesar 88,25% dan 88,74% dari 4,34% menjadi 0,51% dan 0,49% setelah mengalami perlakukan dengan asam HCl 35% pada pH 8. Sedangkan bila menggunakan asam H3PO4 35%, kandungan natrium dalam red mud tidak mengalami penurunan yang berarti. Hasil uji sulfidasi terhadap red mud tanpa aktivasi diperoleh ukuran kristal pirotit sangat kecil, hal ini disebutkan karena belum sempurnanya pembentukan kristal pirotit. Sedangkan dari red mud yang diaktivasi dengan HCl pada pH 8 dan H3PO4 pada pH 11 berturut-turut menghasilkan ukuran kristal pirotit sebesar 35 nm dan 30 nm; syarat ukuran kristal pirotit yang baik untuk katalis pencairan batubara adalah<40 nm. Persen konversi produk batubara cair dengan menggunakan katalis red mud tanpa aktivasi dan red mud aktivasi HCl pada pH 8 berturut-turut menghasilkan 72,34% dan 84,76% batubara cair. Hasil ini belum optimal dibandingkan terhadap jenis katalis yang telah dikenal seperti limonit. Sehingga masih diperlukan pengoptimalan proses aktivasi red mud. Kata Kunci : red mud, aktivasi, katalis, konversi
PERBANDINGAN PENGENDALI PI, PD DAN PID PADA PENGENDALIAN KECEPATAN MOTOR INDUKSI TIGA FASA DENGAN MEMANFAATKAN SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA) Sariman, Sariman; Padarid, Manlahima; Mahfie, Dindi Hamamie; Suprapto, Bhakti Yudho
JURNAL SURYA ENERGY Vol. 3 No. 2 2019
Publisher : UNIVERSITAS MUHAMMADIYAH PALEMBANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jse.v3i2.1546

Abstract

Motor Induksi tiga fasa merupakan salah satu jenis motor yang paling banyak digunakan pada industri. Motor ini biasanya yang menjadi perhatian khusus adalah pengendalian kecepatan. Pengendali yang digunakan biasanya hanya pengendali Proportional Integral Derivative (PID). Namun terkadang pada proses kontrol, pengendali lain seperti Proportional Integral (PI) dan Proportional Derivative (PD) juga sering digunakan. Penelitian ini akan membandingkan pengendali-pengendali tersebut dalam proses pengendalian kecepatan pada motor induksi tiga fasa saat berbeban dan tanpa beban. Untuk memudahkan proses pengendaliannya, digunakan Supervisory Control and Data Acquisition (SCADA) yang memiliki kemampuan dalam mengakuisisi data dan monitoring. Dalam pengujiannya didapatkan bahwa pada pengendali terbaik yakni PID dimana error steady state kecil, settling time cepat dan tetap stabil meskipun terdapat perubahan beban.  Pengendali PID ini memiliki parameter KP  = 2,  Ti = 1, Td =3. Sedangkan data yang ditampilkan oleh sistem SCADA dapat dikatakan baik dan valid, dimana persentase penyimpangan untuk data kecepatan sebesar 0,1%.
PENGEMBANGAN KAWASAN PESANTREN MODERN RAUDHATUL ULUM MERANTI Sariman, Sariman; Zain, Zairin; Alhamdani, M Ridha; Khaliesh, Hamdil; Putro, Jawas Dwijo
JMARS: Jurnal Mosaik Arsitektur Vol 9, No 1 (2021): Maret
Publisher : Program Studi Arsitektur Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jmars.v9i1.44034

Abstract

Raudhatul Ulum Meranti Islamic Boarding School is a da'wah institution that was established to educate the generation of Muslims in Indonesia, especially in West Kalimantan. Raudhatul Ulum Meranti Islamic Boarding School was founded in 1896 in a village called Meranti Village, Sungai Ambawang District, Kubu Raya Regency. The curriculum applied by the pesantren initially only adhered to the classical system (teaching the yellow book) and developed into a curriculum sourced from the Ministry of Religion (KEMENAG). The aim of developing the area of Raudhatul Ulum Meranti Islamic Boarding School is to make facilities suitable for the modern education system. The design location is on Jalan Muhajirin, Kampung Meranti, Puguk Village, Sungai Ambawang District, Kubu Raya Regency. The stage method in this design starts from the Idea Stage, Data Collection, Analysis, Synthesis, Pre-Design and Design Development. The concept of Natural Pro Rate is applied so the areas that are still green do not have to build by destroying nature in the area, but rather organize and maintain the natural conditions in order to remain green. The results of the development design at Raudhatul Ulum Meranti Islamic Boarding School can make the mosque building as the heart of the area. Worship and educational facilities are made with Islamic nuances by combining ornaments in the building and creating a separate area between the male and female students.
Pengunaan mosfet untuk penstabil tegangan pompa air 12 volt sumur dangkal dengan tenaga matahari M Fauzan Deyhan; Sariman, Sariman
Jurnal Teknik Mesin, Industri, Elektro dan Informatika Vol. 1 No. 3 (2022): September : JURNAL TEKNIK MESIN, INDUSTRI, ELEKTRO DAN INFORMATIKA
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (846.619 KB) | DOI: 10.55606/jtmei.v1i3.628

Abstract

Salah satu cara paling umum untuk mengontrol kecepatan adalah dengan menggunakan sensor enkoder Data yang dihasilkan akan ditampilkan di komputer atau laptop Anda. Saya tahu pengamatan mereka. Semakin banyak motor memiliki biaya perawatan yang lebih rendah selain efisiensi, torsi, kecepatan dan variabilitas. motor DC ini memiliki proses pergantian yang lebih cepat dan biaya perawatan yang lebih rendah, yang menyebabkan sikat menjadi percikan api dan cepat menjadi rusak. Rotor terbuat dari kumparan dan diinduksi oleh medan magnet berputar stator, yang menyebabkan arus listrik di rotor. Kecepatan putaran rotor jauh lebih lambat daripada kecepatan putaran medan magnet stator. Akibatnya motor induksi cenderung kurang efisien dibandingkan motor DC kecepatan tinggi, bisa fluktuatif, dan biaya perawatannya lebih rendah, sehingga digunakan motor DC brushless atau biasa dikenal dengan motor BLDC.
Internalization of Character Values in Through the Learning of Ta'līm Al-Muta'allim Book Naim, Ainun; Sariman, Sariman
Scaffolding: Jurnal Pendidikan Islam dan Multikulturalisme Vol 4 No 2 (2022): Pendidikan Islam dan Multikulturalisme
Publisher : Institut Agama Islam Sunan Giri (INSURI) Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (293.625 KB) | DOI: 10.37680/scaffolding.v4i2.1407

Abstract

The success of education is marked by outputs that lead to the realization of morality and character formation in real life. Religious knowledge is part of the process of internalizing the character of students. This study uses a descriptive qualitative approach. Aims to describe, and analyze the planning, implementation, and internationalization model of character values through learning Ta'lim Al Muta'alim at Madrasah Nurul Muttaqin Bojonegoro. As primary data sources are the head of the madrasah, waka curriculum, and teachers, data collection through participatory observation, in-depth interviews, and documentation. Data analysis through data collection, condensation, data display, and data verification. The results of this study are as follows: (1) The planning includes; a) material, b) objectives, c) learning methods, and d) needs analysis in learning. (2) The process of internalizing character values through learning the book of Ta'lim Al-Mut'allim uses three stages: 1) Value transformation. At this stage, the focus is on understanding the value material in the Ta'lim Al-Mut'allim book. 2) Value transaction occurs two-way reciprocal interaction between students and teachers actively. 3) Character trans-internalization stage. At this stage, the teacher and students begin to correlate the character values in the Kitab Ta'lim Al-Mut'allim, which can be implemented in real life. (3) The internalization model of character values through learning the book of Ta'lim Al-Mut'allim using the Tadzkiroh model, (2) Istiqomah Model, (3) Iqra-Fikir-Dhikr Model.
Learning Management Strategies to Improve the Quality of Education in Senior High School Muttaqin, Faiz Zainal; Khasanudin, M.; Sariman, Sariman
Scaffolding: Jurnal Pendidikan Islam dan Multikulturalisme Vol 4 No 2 (2022): Pendidikan Islam dan Multikulturalisme
Publisher : Institut Agama Islam Sunan Giri (INSURI) Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (224.443 KB) | DOI: 10.37680/scaffolding.v4i2.1415

Abstract

The more study describes the implementation of learning management in SMA Al Muhammad Cepu, the approach used is descriptive qualitative through case study research. Where the researcher is directly involved in extracting information from a phenomenal event regarding learning in the location. The principal, Deputy Principal for Curriculum, and teachers of SMA Al Muhammad Cepu as subjects in the current study. It was found that learning management: learning management abilities of SMA Al Muhammad Cepu teachers in planning aspects were carried out through an IHT review of lesson planning, increasing reading literacy from various reading sources in the library, attending training, seminars, and upgrading. At the same time, the teacher organizing section performs five learning steps: literacy activities, critical thinking, fulfilling adequate educational facilities and having relevance to learning needs, providing space and awards for outstanding teachers, by holding exceptional teachers, teacher creativity competitions, and promotions.
Strategy of Islamic Religious Education Teachers in Improving the Islamic Character of Students Huda, M Sukri Afkharul; Sariman, Sariman; Khasanudin, Mohamad
Scaffolding: Jurnal Pendidikan Islam dan Multikulturalisme Vol 4 No 2 (2022): Pendidikan Islam dan Multikulturalisme
Publisher : Institut Agama Islam Sunan Giri (INSURI) Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (279.724 KB) | DOI: 10.37680/scaffolding.v4i2.1439

Abstract

In the era of digitalization, education has a very important role, bringing changes in people's lives as well as bringing positive and negative effects. The negative impact of the emergence of a decrease in the moral behavior of students requires a genuinely effective educational strategy. This study uses a descriptive qualitative approach, which aims to describe and analyze the strategies of Islamic religious education teachers in improving Islamic character in Madrasah Tsanawiyah Siman Sekaran Lamongan, as primary data sources are the principal, vice-principal for curriculum, and teachers. The data collection techniques used participatory observation, unstructured interviews, and documentation. While the data analysis is used, data collection, condensation, presentation, and conclusion. The results of the strategy of Islamic religious education teachers in improving Islamic character at MTs Salafiyah Siman Sekaran are as follows: 1) Education strategies with habituation through prayer reading asmaul husna, istighosah and following congregational duhur prayers, and dhuha prayers 2) Educational strategies by good strategies or uswah can make students imitate or do good things that we teachers do, so we as teachers must already have good role models for students to emulate. 3) Educational strategies with advice through religious activities, Isra Mi'raj, Maulud Nabi, Nuzuul Quran, and flag ceremonies 4) Strategies by giving rewards to students will also foster competition in learning and achievement of both academic and non-academic achievements.
Modification of Indonesian Kaolinite-Based Silica Coarse (SC) for RNA Extraction Method of SARS-CoV-2 Marintan, Marchia Marthalena; Sjatha, Fithriyah; Nurani, Dita Arifa; Krisnandi, Yuni Krisyuningsih; Sariman, Sariman
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.2024.9.2.325-335

Abstract

One of the strategies to overcome the COVID-19 disease is through rapid diagnostic tests using the Reverse-Transcriptase Polymerase Chain Reaction (RT-PCR) test. The RT-PCR test is a detection and quantification test of nucleic acids, initiated by the pre-analytical step of purification of the nucleic acids. Purification of nucleic acid requires silica-based materials as a solid phase-extraction matrix or column. Herein, Silica Coarse (SC) in the form of suspension and powder columns; was prepared from natural Indonesian Kaolinite as an alternative extraction column to binding RNA of SARS-CoV-2. The RNA binding and releasing ability in SC was enhanced with the support of chaotropic agents in the form of Na+ and Guanidium+ as charged balancing cations, embedded in the silicate layer inside the kaolinite framework. SC, which has been supported with Na+ and Guanidium+ respectively, then studied its physicochemical characteristics using FTIR spectroscopy, X-ray diffraction technique, scanning electron microscopy, and BET surface area and pore size measurement. This work shows that the modified SC suspension column could extract RNA of SARS-CoV-2 that amplified better in the RT PCR test than SC powder columns, with the initial Ct value of all the SARS-CoV-2 specimens in the range < 20.
Bimbingan Teknis Peliputan Berita Dan Pengelolaan Website Irawadi, Syafrul; Saftari, Maya; Iswanto, Yuni; Rosydian M, Ahmad; Sariman, Sariman
Literasi Jurnal Pengabdian Masyarakat dan Inovasi Vol 1 No 2 (2021)
Publisher : Pengelola Jurnal Politeknik Negeri Ketapang Jl. Rangga Sentap, Dalong Sukaharja, Ketapang 78813. Telp. (0534) 3030686 Kalimantan Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/literasi.v1i2.1301

Abstract

Bawaslu of the Bangka Belitung Islands Province as the election supervisory body in the province of Bangka Belitung also considers it important to provide information and manage the website properly. For this reason, Bawaslu cooperates with universities and the government to provide technical guidance and training for news and website managers to improve the ability of managers. This technical assitence involves resource persons who are experts in their fields from various agencies. STMIK Atma Luhur as a university accommodates training activities by involving the community service team. The PKM team consists of 3 lecturers and 2 students. The activity took place on December 7, 2019 which took place at the Grand Vella Hotel Bangka. The training participants came from 7 districts/cities with every cities has to send 3 participants. This activities started from morning to evening. The method in this PKM activity is training and technical guidance with the lecture method from the speakers. The activities in addition to the material provided, practical activities were also held to demonstrate how to properly manage the website and news coverage techniques to provide good and correct information. The results of the evaluation of this activities carried out, it was found that the participants gained knowledge and knowledge that could improve their ability to manage the Bawaslu news and website
Co-Authors Afif, M Nur Agus Wahyudi Bhakti Yudho Suprapto Dessy Amalia, Dessy Hamdil Khaliesh Huda, M Sukri Afkharul Irawadi, Syafrul Iswanto, Yuni Jawas Dwijo Putro Khasanudin, M. Khasanudin, Mohamad M Fauzan Deyhan M Ridha Alhamdani, M Ridha Mahfie, Dindi Hamamie Marintan, Marchia Marthalena Marna Marna Muhammad Ainun Naim Muttaqin, Faiz Zainal Nurani, Dita Arifa Padarid, Manlahima Rosydian M, Ahmad Saftari, Maya SJATHA, FITHRIYAH Yuni Krisyuningsih Krisnandi, Yuni Krisyuningsih Zairin Zain