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RAHMAT GUNAWAN
Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Neuroscience Public Health Social Sciences Other

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NILAI PENDIDIKAN KARAKTER RELIGIUS DAN CINTA TANAH AIR NOVEL RANTAU 1 MUARA KARYA AHMAD FUADI Gunawan, Rahmat; Suyitno, Suyitno; Supriyadi, Slamet
AKADEMIKA: Jurnal Pemikiran Islam Vol 23 No 2 (2018): Islam, Kenegaraan, dan Kebangsaan
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Institut Agama Islam Negeri Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32332/akademika.v23i2.1238

Abstract

Abstract: This study aims to describe the values of religious character breeding in novel Rantau 1 Muara by Ahmad Fuadi. Novel Rantau 1 Muara is a novel that clearly tells of a value of struggle, persistence, obedience to God and a view of life that intends to achieve success with an incantation man saara ala darbi washala, who walks on His way will reach the goal. The method that is used in this research is qualitative descriptive method. The data resource in this study is novelRantau 1 Muaraby Ahmad Fuadi in 2013 with a total of 395 pages. The data in this research has the story units in dialogs, paragraphs, and tables that show the value of religious character breeding. The data collection techniques are done by using note taking techniques, and literature study. The steps are taken in analyzing the novel are by interpreting based on existing theories, then described according to the research objectives. The results of data analysis, there are 17 frequencies which are divided in, they are the religious existence of human relations to God such as worshiping, greeting, praying, giving thanks and asking forgiveness. The religious existences among human and human are asking for protection, worshiping parents, intimacy, and praying for others. Furthermore, the religious existence of human with nature is praising the beauty of nature.Whereas the value of the character education of the homeland is 3 frequencies, including the manifestation of the value of patriotism in relation to one's self, namely a sense of nationalism and a sense of tolerance between religious communities.
Rancang Bangun Website Sistem Informasi Kedai Ngopi Soekma Menggunakan Framework Laravel Yasifa, Firhan; Darmansyah, Darmansyah; Gunawan, Rahmat
Prosiding Seminar Nasional Inovasi dan Adopsi Teknologi (INOTEK) Vol. 4 No. 1 (2024): Prosiding Seminar Nasional Inovasi dan Adopsi Teknologi (INOTEK)
Publisher : LPPM STMIK Rosma

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Abstract

Saat ini banyak Usaha Makro Kecil dan Menengah yang diminati oleh generasi Z dan kaum milenial dengan modalitas besar dan kecil. Tujuan penelitian ini adalah merancang aplikasi sistem informasi produk dan preferensi pelanggan pada kedai ngopi dengan menggunakan framework Laravel. Model pengembangan sistem menggunakan siklus hidup pengembangan atau System Development Life Cycle. Hal ini memungkinkan pembuatan perangkat lunak yang lebih realistis pada berbagai tahap seperti spesikfikasi kebutuhan pengguna, perencanaan, pemodelan, konstruksi dan penerapan. SDLC menyediakan serangkaian pendekakan terhadap siklus hidup perangkat lunak dimulai dengan fase analisis, desain, pengkodean, pengujian dan dukungan. Hasil dari penelitian ini adalah perancangan website sistem informasi produk dari kedai ngopi Soekma menggunakan framework laravel yang memudahkan pengunjung dalam memilih menu dan harga sesuai dengan keinginan
PERANCANGAN UI/UX SISTEM INFORMASI AKUNTANSI PENCATATAN PENGELOLAAN KEUANGAN PADA YAYASAN PENDIDIKAN ROSMA DENGAN MENGGUNAKAN DESIGN THINKING Aristawidyaningrum, Apta; Elanda, Anggi; Gunawan, Rahmat
Prosiding Seminar Nasional Inovasi dan Adopsi Teknologi (INOTEK) Vol. 4 No. 1 (2024): Prosiding Seminar Nasional Inovasi dan Adopsi Teknologi (INOTEK)
Publisher : LPPM STMIK Rosma

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Abstract

Penelitian ini berfokus pada perancangan UI/UX untuk Sistem Informasi Akuntansi Pencatatan Pengelolaan Keuangan pada Yayasan Pendidikan Rosma menggunakan metode Design Thinking. Tujuan dari penelitian ini adalah untuk mengembangkan sistem yang dapat mempermudah pengelolaan dan pencatatan keuangan, meningkatkan efisiensi, dan memberikan pengalaman pengguna yang optimal bagi bendahara dan pengelola keuangan yayasan. Metode Design Thinking digunakan karena pendekatan ini berpusat pada pengguna dan memungkinkan pengembangan solusi yang inovatif dan efektif. Tahapan penelitian dimulai dengan pemahaman mendalam mengenai kebutuhan dan permasalahan pengguna melalui wawancara dan observasi. Penelitian telah menunjukkan bahwa penggunaan metode design thinking dalam desain UI/UX sistem informasi akuntansi mampu meningkatkan kemudahan penggunaan, efesiensi kerja dan kepuasan pengguna. Dengan demikian, sistem ini diharapkan dapat menjadi solusi efektif dalam pengelolaan keuangan di Yayasan Pendidikan Rosma
Analisis Sentimen Terhadap Pengguna Aplikasi Sapawarga Di Google Play Store Wahidin, Mokhamad; Gunawan, Rahmat; Anta Wiguna, Alvilah
Jurnal Interkom: Jurnal Publikasi Ilmiah Bidang Teknologi Informasi dan Komunikasi Vol. 19 No. 3 (2024): Jurnal Interkom: Jurnal Publikasi Ilmiah Bidang Teknologi Informasi dan Komuni
Publisher : LPPM STMIK Rosma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35969/interkom.v19i3.418

Abstract

Kemajuan teknologi informasi telah mengubah cara interaksi antara pemerintah daerah dan masyarakat. Aplikasi Sapawarga, sebuah inovasi dari Pemerintah Provinsi Jawa Barat, berfungsi sebagai platform untuk memfasilitasi partisipasi publik dalam melaporkan dan menyelesaikan permasalahan lokal. Penelitian ini bertujuan untuk melakukan analisis sentimen terhadap ulasan aplikasi Sapawarga di Google Play Store dengan menggunakan metode Naive Bayes. Data ulasan diperoleh melalui scraping, diolah dengan tahapan preprocessing, dan dianalisis menggunakan algoritma Naive Bayes. Hasilnya menunjukkan bahwa model analisis memiliki akurasi sebesar 86%, presisi 76%, recall 89%, dan F1-score 78%. Temuan ini diharapkan dapat memberikan wawasan untuk pengembangan aplikasi yang lebih responsif dan meningkatkan kualitas pelayanan publik di Jawa Barat.
STUDI DEKOMPOSISI TERMAL PIROLISIS Spirulina platensis DENGAN LAJU PEMANASAN 15 °C/MENIT Utami, Devira Ulva; Subagyono, RR Dirgarini Julia Nurlianti; Gunawan, Rahmat
PROSIDING SEMINAR KIMIA Vol 3 No 1 (2024): Prosiding SNK 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

Thermal decomposition study of Spirulina platensis pyrolysis with heating rate of 15°C/min was conducted. Microalgae pyrolysis was carried out with a thermogravimetric analyzer (TGA) instrument. This research focused on analyzing the thermal decomposition process of Spirulina platensis which has a moisture content of 8.34% and ash content of 7.18%. Thermal decomposition of Spirulina platensis occurs in 3 stages, namely water evaporation at temperatures ≤ 140°C; active pyrolysis with a temperature range of ±147-502°C involving thermal decomposition of carbohydrate compounds, proteins and lipids; and passive pyrolysis with temperatures ≥ 502°C, where the remains of more stable organic components were decomposed. Keywords: Spirulina platensis, thermogravimetric analysis, and decomposition
STUDI PIROLISIS MIKROALGA (Spirulina platensis) TERHADAP KONSENTRASI PRODUK TURUNAN KARBOHIDRAT Qosim, Assyfa Machmudah; Subagyono, RR Dirgarini Julia Nurlianti; Gunawan, Rahmat
PROSIDING SEMINAR KIMIA Vol 3 No 1 (2024): Prosiding SNK 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

Pyrolysis study of microalgae Spirulina platensis using Pyrolysis-Gas Chromatography-Mass Spectrometry (Py-GC/MS) instrument has been conducted. In the pyrolysis product of microalgae Spirulina platensis, the chemical composition of carbohydrate-derived products was 10.70%. The carbohydrate-derived product compounds produced were 2-methyl-propanal, phenol, and 1-hydroxy-2-propanone. Keywords: Spirulina platensis, pyrolysis, Py/GC-MS
STUDI PIROLISIS MIKROALGA HIJAU (Spirulina platensis) TERHADAP KONSENTRASI PRODUK TURUNAN LIPID Sahirah, Nabilah Sinar; Subagyono, RR Dirgarini Julia Nurlianti; Gunawan, Rahmat
PROSIDING SEMINAR KIMIA Vol 3 No 1 (2024): Prosiding SNK 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

Pyrolysis study of Spirulina platensis using Pyrolysis-Gas Chromatography-Mass Spectrometry (Py-GC/MS) instrument has been conducted. In the pyrolysis products identified on the pyrogram, the chemical composition of lipid-derived products was 55.70%. These lipid-derived compounds are hexadecanoic acid (31.05%), oleic acid (6.06%), and octadecanoic acid (3.68%). Keywords: Spirulina platensis, pyrolysis, Py/GC-MS
A MINI REVIEW: STUDI KOMPUTASI TERHADAP STRUKTUR ELEKTROLIT PADA SILICENE, GRAPHENE, DAN GERMANENE Harvina, Harvina; Gunawan, Rahmat; Allo, Veliyana Londong
PROSIDING SEMINAR KIMIA Vol 3 No 1 (2024): Prosiding SNK 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

Research on two-dimensional (2D) materials such as graphene, silicene, and germanene has garnered significant attention due to their unique electronic and mechanical properties. This mini review employs Density Functional Theory (DFT) to compare the electronic properties of these three materials. The results show that graphene, with sp² hybridization, possesses outstanding electrical conductivity and high mechanical strength, with a lattice constant of 2.46 Å. Silicene and germanene, composed of silicon and germanium atoms respectively, exhibit higher surface reactivity and potential for advanced electronic applications due to their ability to open band gaps through various methods. Silicene has a lattice constant of 3.90 Å and an electronegativity of 1.9, while germanene has a lattice constant of 3.97 Å and an electronegativity of 2.01. The band structures of silicene and graphene do not exhibit band gaps, with dominant states in the p orbital, whereas germanene displays semiconductor behavior with a zero band gap opening at the K-point. Graphene shows high in-plane stiffness, while silicene and germanene have respective stiffness, with graphene and silicene being brittle and germanene being ductile. This study provides insights into the fundamental differences in the electronic properties of graphene, silicene, and germanene, as well as their potential applications in semiconductor technology and high-speed, low-energy electronic devices. Keywords: Silicene, Graphene, Germanene, DFT, Electronic structure
STUDI PIROLISIS MIKROALGA Spirulina platensis TERHADAP KONSENTRASI PRODUK TURUNAN PROTEIN Wahyuni, Ade Putri; Subagyono, RR Dirgarini Julia Nurlianti; Gunawan, Rahmat
PROSIDING SEMINAR KIMIA Vol 3 No 1 (2024): Prosiding SNK 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

Pyrolysis study of microalgae Spirulina platensis using Pyrolysis-Gas Chromatography-Mass Spectrometry (Py-GC/MS) instrument has been conducted. Based on the percent area value of pyrolysis products identified on the pyrogram, the concentration of Spirulina platensis pyrolysis products resulting from thermal decomposition of protein was 6.27%. Keywords: Pyrolysis, Spirulina platensis, Py-GC/MS.
DETERMINATION OF PARAMETER QUALITY OF GROUND WELL WATER USING ADSORBENT FILTER FROM RICE HUSK ASH Said, Yahya; -, Alimuddin; Gunawan, Rahmat
JURNAL ATOMIK Vol 6 No 1 (2021)
Publisher : Jurusan Kimia FMIPA UNMUL

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Abstract

Determining the parameters of the quality of well water in Mugirejo, Sungai Pinang, Samarinda, using an adsorption filter from rice husk ash, has been carried out. Determination of the optimum flow rate and the level of each water quality parameter BOD, TSS and levels of metals (Pb, Fe, Mn). Based on the results of the filtration process in well water samples showed that the effect of the flow rate obtained the optimum flow rate of 1 hour per liter against decreasing levels of BOD, TSS and levels of metals (Pb, Fe and Mn) of 8.1, 17.28 mg/L O2, 1.4 mg/L, 68 mg/L, ND (No Detection), 0.0012 µg/mL and 0 µg/mL. For the flow rate of ½ hour per liter against decreases in BOD, TSS and levels of metals (Pb, Fe and Mn) respectively at 8.0, 30.52 mg/L O2, 2.01 mg/L, 46 mg/L, 0 µg/mL, 0.0109 µg/mL and 0.021 µg/mL.
Co-Authors -, Bohari Adha, Dhea Nur Agustin Pratiwi, Agustin Agustinus Pata, Agustinus Aidil Putra, Aidil Aisyah, Ema Agustina Akbar, Muh. Ali Albar Alhabib, Albar Alimuddin Alimuddin Allo, Veliyana Londong Aman Sentosa Panggabean Amanda, Rika Anta Wiguna, Alvilah Ardiansyah - Arif Maulana Yusuf Arissah, Nur Aristawidyaningrum, Apta Aspin Aspin, Aspin B.K, Felicia A. Stevanie` Badi'ah, Hanif Boby Royan alfadlil, Boby Royan Bohari Yusuf Cynthia Linaya Radiman Daniel Daniel Darman, Darmansyah DARMANSYAH . Dedy Prasetyo Dewi Sundari, Dewi Eko Haryanto Elanda, Anggi Fadillah, Fahmi Giovanni, Krisno Hajarudin, Iik Hammamiyah, Ulinnuha Harpinus, Doki Harvina, Harvina Herman, Heri Hermawan K. Dipojono Iswara, Muhammad Wahyugo Jahada, Jahada Jeki Purnama Putra Kartika Pratiwi Kurniasih, Ririn Feby Kusumastuti, Meidina Londong Allo, Veliyana Lumaku, Samuel Pangestu Enggal Magdaleni, Agustina Rahayu Malfiany, Rini Malik, Abdilla Manik, Sondang Hukum Parulian Margarita, Margarita Marsella, Yuni Maryadi, Wendri Maygusten, Maygusten Mokhamad Wahidin Muhamad Abdulkadir Martoprawiro Muhamad Yulianto Mukhamad Nurhadi, Mukhamad Nasri Nindia, Azrina Noor Hindryawati, Noor Nurul Fatimah Onsardi, Onsardi pakasi, Resy Palentin, Ersa Rizkita Pardian, Riki Ananda Puji Astuti Qosim, Assyfa Machmudah Romdona, Muhammad Zulfikar Rostiani, Yeny Sahirah, Nabilah Sinar Saibun Sitorus Said, Yahya Saleh, Chairul Sari, Prinka Susmita Sarwawan, Ade Putri Hawiyah Sihotang, Recha Defrosa Morasih Samta Siswahyudianto Slamet Supriyadi Solly Aryza Subagyono, R. R Dirgarini J.N. Subagyono, R.R. Dirgarini Subagyono, Raden Roro Dirgarini Julia Nurlianti Subagyono, RR Dirgarini Julia Nurlianti Sudarijati Sugiarti - Suherman, Yahya Suyitno Suyitno Syafriyanti, Yuly Utami, Devira Ulva Wahyudi, Habib Putra Wahyuni, Ade Putri Yasifa, Firhan Yulianto, R. Mega Yuliyanto, R. Mega Yuliyanto, R.Mega Zain, Fikri Naufal