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All Journal TEKNIK KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Rotasi Department of Naval Architecture JRST (Jurnal Riset Sains dan Teknologi) WIDYA LAKSANA Jurnal Rekayasa Hijau International Journal of Marine Engineering Innovation and Research Jurnal Riset Ilmu Akuntansi
Kiryanto Kiryanto
Departemen Teknik Perkapalan, Fakultas Teknik, Universitas Diponegoro
Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation Other

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UPAYA PEMANFAATAN SUMBERDAYA KELOMPOK PETERNAK MELALUI PENGOLAHAN LIMBAH KOTORAN MENJADI PRODUK ENERGI TERBARUKAN DAN PRODUK YANG BERMANFAAT UNTUK KESEJAHTERAAN MASYARAKAT KELURAHAN PLALANGAN KECAMATAN GUNUNGPATI KOTA SEMARANG Kiryanto, Kiryanto; Chrismianto, Deddy; Puskhah, Eny
JURNAL WIDYA LAKSANA Vol 8 No 1 (2019)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (488.613 KB) | DOI: 10.23887/jwl.v8i1.15769

Abstract

Kelurahan Plalangan merupakan salah satu Desa/Kelurahan yang ada di kecamatan Gunungpati, Kota Semarang yang mempunyai potensi cukup besar dibidang peternakan, pertanian, serta perikanan. Potensi bidang peternakan sapi cukup besar dimiliki masyarakat dusun Terwidi Kelurahan Plalangan dengan jumlah peternak ada 40 orang. Permasalahan yang dihadapi yaitu sampai saat ini kotoran sapi hanya dibiarkan begitu saja di dalam kandang, serta belum dimanfaatkan untuk menghasilkan produk yang lebih bermanfaat dan berdayaguna tinggi. Segi perikanan, kurang adanya pemanfaatan dan pengolahan ikan yang bernilai jual. Tujuan dari kegiatan KKN-PPM ini adalah untuk memanfaatkan limbah kotoran sapi yang melimpah antara lain : untuk membuat instalasi energi terbarukan biogas, pembuatan pupuk kompos dari kotoran sapi serta budidaya ikan yang lebih menitik beratkan pada pengolahan ikan. Metode yang digunakan dalam pengabdian ini oleh Tim KKN-PPM meliputi desain instalasi dan pembuatan instalasi energi terbarukan biogas yang diikuti dengan pelatihan pengopersian dan perawatan; pelatihan/workshop perancangan dan pembuatan pupuk kompos dari kotoran sapi pengemasan dan pemasaran. Pembuatan, pelatihan, dan pemasaran produk olahan ikan. Luaran program pengabdian ini adalah: 1) Instalasi biogas dan produk biogas, 2) Pupuk kompos, 3) Budidaya Perikanan, 4) Publikasi, dan 5) Artikel Ilmiah. Kata kunci: Plalangan, Kotoran sapi , Energi terbarukan Biogas, Pupuk kompos, Budidaya Perikanan.
Analisis Pengaruh Multiple Repair Welding terhadap Kekuatan dan Microstructure pada Sambungan Pengelasan Baja JIS - G3101 Kiryanto, Kiryanto; Firdhaus, Ahmad; Laksana, Tri
JRST (Jurnal Riset Sains dan Teknologi) Volume 9 No. 1 Maret 2025: JRST
Publisher : Universitas Muhammadiyah Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/jrst.v9i1.21921

Abstract

Dalam industri manufaktur, proses perbaikan las yang dilakukan lebih dari satu kali (multiple repair gouging) seringkali digunakan untuk memperbaiki sambungan las yang cacat, namun proses pengelasan yang berulang dapat mengubah sifat material. Penelitian ini menggunakan sampel baja JIS - G3101 yang diperbaiki dengan variasi multiple repair gouging, diikuti dengan pengujian kekuatan tarik, kekerasan, dan analisis struktur mikro menggunakan mikroskop elektron pemindai (SEM). Hasil penelitian menunjukkan bahwa multiple repair welding mempengaruhi kekuatan tarik dan kekerasan pada sambungan las, yang tergantung pada jumlah dan kondisi pengelasan ulang. Struktur mikro juga mengalami perubahan, dengan terbentuknya fasa martensite pada zona HAZ (Heat Affected Zone) pada setiap lapisan perbaikan las. Meskipun perbaikan las dapat meningkatkan ketahanan sambungan terhadap kegagalan, hasil yang optimal dicapai dengan pengaturan prosedur pengelasan yang tepat.
Design of a Glass Bottom Catamaran as a Tourist Attraction on Aceh's Banyak Island Chrismianto, Deddy; Firdhaus, Ahmad; Al Muhshi, Hassan; Kiryanto, Kiryanto
TEKNIK Vol 45, No 3 (2024): December 2024
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v45i3.60019

Abstract

Aceh's Banyak Island Due to its large water areas and fascinating islands that retain the grandeur of its sea and beaches, Singkil has risen as a new star in the world of tourism. Nonetheless, traditional fishing boats remain the principal mode of transportation for visitors in the region. The Glass Bottom Catamaran has been launched as a novel and attractive approach to admire the natural beauty of the seas around Banyak Island to capitalize on Indonesia's maritime tourist potential. The design process for this vessel involves basic linear regression calculations, the formulation of the ship's lines plan, the design of the vessel's General Arrangement, and the creation of a 3D model utilizing software. Stability calculations follow IMO standards, resistance calculations follow the Slender Body approach, and motion analysis follows Nordfork 1987 norms. As a result, the vessel's primary dimensions are as follows: LOA = 20.25 m, B = 7.04 m, B1 = 1.8 m, H = 2.4 m, T = 1.55 m, Vs = 17 knots, and a total passenger capacity of 54 people. In this investigation, the resistance value is 42.3 kN, concerning its ability to transport 60 tons at 17 knots. The stability study fulfils IMO guidelines, while the motion analysis meets Nordfork 1987 norms
PENGARUH PROFITABILITAS, UKURAN PERUSAHAAN, DAN KOMISARIS INDEPENDEN TERHADAP PENGHINDARAN PAJAK Huda, Fathin Kamalia Zulfa; Kiryanto, Kiryanto
Jurnal Riset Ilmu Akuntansi Vol. 7 No. 1 (2026): Volume 7 Nomor 1 Tahun 2026: Maret 2026
Publisher : Program Studi Akuntansi Universitas Flores

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/jria.v7i1.6559

Abstract

This inquiry concentrates on assessing how profitability, corporate scale, and the share of independent commissioners contribute to shaping tax avoidance among consumer staples manufacturing firms listed on the Indonesia Stock Exchange (IDX) during 2021–2023. The rationale for this investigation stems from the persistent pattern of tax avoidance in Indonesia. Employing a quantitative framework, the study adopts a purposive sampling method, selecting 44 firms that yield 132 firm-year data points. The research relies on secondary evidence derived from annual reports and publicly released financial statements available at the IDX. Profitability—captured through Return on Assets (ROA)—firm size—proxied by the natural logarithm of total assets—and the proportion of independent commissioners on the board serve as explanatory variables. Tax avoidance, the dependent construct, is operationalized via the Cash Effective Tax Rate (CETR). The statistical procedure involves multiple linear regression conducted with SPSS, preceded by classical assumption diagnostics to ensure robustness of the model. The empirical findings indicate a significant and inverse association between profitability and tax avoidance. In contrast, both firm size and independent commissioners’ proportion show no significant influence. Nevertheless, when jointly examined, the three predictors collectively exert an effect on tax avoidance. These results imply that companies with stronger profitability are more inclined toward tax compliance, whereas firm size and the share of independent commissioners have yet to demonstrate tangible effectiveness in curbing tax avoidance practices. The study contributes to the accounting literature and provides practical insights for policymakers and corporate actors seeking to strengthen tax compliance.
Co-Authors A.F. Zakki Adhi Paska, Adhi Afdhal Alfendry Ahmad Fauzan Zakki Ahmad Firdhaus Al Muhshi, Hassan Alji Fadilla Adha Aloisius Truntum Dewangkoro Andi Trimulyono Ari Wibawa Budi Santosa Aulia Widyandari Bayu Adityo Nugroho Berlian Arswendo Adietya Boy Ebenezer Simanjuntak Cindy Rizka Griyantia Dandy Kurniawan, Dandy Deddy Chrismianto Dina Krisnawati Dwi Winanto Hari Fantio Edi Yuliana Efriananda Sabta Rizki Eka Heriyanty Eko Sasmito Hadi Fakhryyah Santoso, Muhammad Hilaqil Fathuddiin, Abubakar Firdhaus, Ahmad Good Rindo Gusti Mirza Hafidh Ivandri Hardhina Aglomerra Hartono Yudo Hartono Yudo Herman Afdul Ngazis, Herman Afdul Heru Ayo Subandi Heru Firmansyah Heru Firmansyah Hidayatullah, Muhammad Rafi Huda, Fathin Kamalia Zulfa Hugo, Ignatius I. K. Suastika Ilham Chaerul Rizqi Siregar Imam Pujo Mulyatno Ishak Ari Prabowo khairul fajri, khairul Laksana, Tri Lature, Kristoper Erwat M. Harris Nubly Maria Fatima Muhammad Ansori Muhammad Sidiq Mulyanto, Imam Pujo Mustafidurijal Mustafidurijal Naufal, Muhammad Farhan Pardede, Epan Rexky Parlindungan Manik Permana, Mohamad Fiqri Prabaswara, Alvian Dharmala Puskhah, Eny Puskhah, Eny Rabbi Radhiya, Rabbi Rahmawati, Rissa Dwi Rais Yudanto Risda Septerina Riyanto Wibowo Rizka Noor Miftakhul Ulum Rizki Fadillah Rizky Perdana Putra Rochman Ikhsan Pamuji Saean, Indra Samuel Samuel Sangga Dwiki Tavarel Sarjito Jokosisworo Solihin Solihin Sugeng Pardiana Tito Adi Nugroho Tri Putra P Lumbantobing Tuswan Tuswan Untung Budiarto Wahyu Nugroho Mustikojati, Wahyu Nugroho Wesly M Napitu Wilma Amiruddin Yohanes Aditya