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METODE ENSEMBLE MACHINE LEARNING PREDIKSI KEKASARAN PERMUKAAN BAJA S45C PADA …
Surface roughness is a critical quality indicator in precision manufacturing industries due to its direct impact on fatigue resistance and tribological performance of machine components. This study aims to predict surface roughness (Ra) values in the CNC milling process of S45C steel using flood cooling by integrating Support Vector Regression (SVR) and Gaussian Process Regression (GPR) algorit…
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- xxx, 65 hlm.; ilus.; 29 cm
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- T1918192025
ANALISA FINANSIAL BULLRIPPER SEBAGAI ALAT PEMBAJAKAN DI PT MUSI HUTAN PERSADA
Land preparation activities in Industrial Plantation Forests (HTI) require heavy equipment to improve the effectiveness and efficiency of soil processing. The Komatsu D85E-SS Bullripper is used to loosen the soil and prepare planting rows. This study aimed to determine the operational costs and financial feasibility of using the Bullripper at PT Musi Hutan Persada. The research method used was …
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- xvi, 41 hlm.; ilus.; tab.; 29 cm.
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- T2006992026
EFISIENSI KERJA PEMBAJAKAN DENGAN BAJAK PIRING MENGGUNAKAN BULRIPPER DI PT MU…
Land preparation in the Industrial Forest Plantation (HTI) sector demands high mechanization efficiency to overcome challenges posed by complex topography and extreme soil compaction. PT Musi Hutan Persada utilizes a bullripper unit as a primary support for disc plow operations during primary tillage. This study aims to evaluate the work efficiency of such plowing operations through the analysi…
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- xiii, 52 hlm.; ilus.; tab.; 29 cm.
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- T2007022026
EVALUASI POLA KOROSI PADA NARROW BODY AIRCRAFT MENGGUNAKAN METODE PARETO ANAL…
The structure of a current aircraft is composed of 80% aluminum and 20% composites. Aluminum is a non-ferrous metal known for its corrosion resistance and light weight. Furthermore, aluminum alloys are easy to manufacture and have a high strength-to-weight ratio (GMF, 2018). An aircraft requires lightweight materials to reduce weight and improve fuel efficiency. Structural corrosion that occurs…
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- vii, 66 hlm.; ilus.; tab.; 29 cm.
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- T2002922026
UJI FATIK LENGKUNG DARI MATERIAL KUNINGAN YANG MENDAPATKAN PERLAKUAN PANAS AN…
Kuningan merupakan paduan tembaga dan seng yang banyak digunakan dalam industri otomotif, kelistrikan, dan manufaktur karena memiliki sifat mekanik yang baik serta ketahanan terhadap korosi. Namun, material ini rentan mengalami kegagalan akibat beban berulang atau fatik. Penelitian ini bertujuan menganalisis pengaruh perlakuan panas Uji Fatik Lengkung dari Material Kuningan yang Mendapatkan ter…
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- xxix, 59 hlm.; ilus.; 29 cm
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- T1932782026
UJI KINERJA MESIN PENGERING OTOMATIS TIPE RAK DENGAN PEMANAS LISTRIK PADA KER…
Drying is an important stage in the processing of snakehead fish crackers because it affects moisture content, product quality, and shelf life. Traditional drying methods are still widely used; however, they have limitations due to dependence on weather conditions and the risk of contamination. Therefore, the use of a rack-type dryer with an electric heater can be an alternative to provide a mo…
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- xiii, 60 hlm.; ilus.; tab.; 29 cm.
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- T2004032026
UJI KINERJA MATA PISAU PENGURAI SABUT KELAPA MESIN SEMI OTOMATIS TIPE G50-BRT
ANANDA VARISSA AULIYA ANANTA. Performance Test of Coconut Husk Decomposer Blade on Semi-Automatic Machine Type G50-BRT (Supervised by TAMARIA PANGGABEAN). The performance test of the coconut husk decomposer blade on the semi-automatic machine type G50-BRT has been conducted. Coconut husk is an agricultural waste that can be utilized into valuable products such as Cocopeat, Cocofiber, and cocobr…
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- xvi, 84 hlm.; ilus.; tab.; 29 cm.
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- T2003982026
ANALISIS KARAKTERISTIK MEMBRAN BERBAHAN POLYETHERSULFONE (PES) DENGAN PENAMBA…
Air merupakan sumber daya vital yang ketersediaannya semakin terancam oleh polusi limbah domestik dan industri. Oleh karena itu, diperlukan teknologi pengolahan yang efektif dan efisien. Studi ini bertujuan untuk menganalisis karakteristik membran Polyethersulfone (PES) yang diinkorporasi dengan perak nitrat (AgNO₃) untuk aplikasi pengolahan air bersih. Membran disiapkan menggunakan 15 wt% PE…
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- xvii, 39 hlm.; ilus.; 29 cm
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- T1934722026
STUDI KUALITATIF: PENGELOLAAN PRAKTIK INDUSTRI PROGRAM STUDI PENDIDIKAN TEKNI…
Penelitian ini bertujuan untuk menganalisis pengelolaan Praktik Industri pada Program Studi Pendidikan Teknik Mesin di Universitas Sriwijaya yang meliputi aspek perencanaan, pelaksanaan, evaluasi, serta faktor pendukung dan penghambat. Penelitian ini menggunakan pendekatan kualitatif dengan metode studi kasus. Pengumpulan data dilakukan melalui teknik wawancara dan dokumentasi, kemudian dianali…
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- xiii, 72 hlm.; ilus.; tab.; 29 cm.
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- T1941722026
PENGARUH METODE PENGELASAN SMAW, ASETILIN, TIG DAN MIG TERHADAP KETAHANAN KOR…
Penelitian ini bertujuan untuk menganalisis pengaruh metode pengelasan SMAW, asetilin, TIG, dan MIG terhadap ketahanan korosi baja stainless steel 304 menggunakan metode uji kehilangan massa. Spesimen hasil pengelasan direndam dalam larutan NaCl 3,5% selama 672 jam untuk mensimulasikan lingkungan korosif, kemudian produk korosi dihilangkan menggunakan larutan asam nitrat (HNO₃) 15% sebelum di…
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- xix, 153 hlm.; ilus.; tab.; 29 cm.
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- T1940952026
STUDI KUALITATIF: PERAN MATA KULIAH MICROTEACHING TERHADAP PENINGKATAN EFIKAS…
This study aims to analyze the role of the microteaching course in improving the self-efficacy of Mechanical Engineering Education students. The research used a qualitative descriptive approach involving lecturers, alumni, and students through observation, interviews, and documentation. Data were analyzed using the Miles and Huberman model supported by NVivo 12 Pro. The results show that microt…
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- 92 hlm.; ilus.; tab.; 29 cm.
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- T1939142026
DETEKSI SERANGAN SSL PINNING BYPASS DAN DDOS PADA JARINGAN SMARTHOME MENGGUNA…
The rapid development of the Internet of Things (IoT) has accelerated the implementation of smart home systems connected to the internet. However, this advancement also increases the risk of cyberattacks, particularly SSL Pinning Bypass, which threatens communication security, and Distributed Denial of Service (DDoS), which disrupts service availability. This study aims to detect both types of …
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- xiii, 66 hlm.; ilus.; tab.; 29 cm
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- T1933952026
STUDI SIFAT MEKANIK ALUMINIUM MATRIX KOMPOSIT DENGAN PENAMBAHAN SILICONE CARB…
Aluminum matrix composite (AMC) is an engineering material developed to improve the mechanical properties of recycled aluminum through the addition of reinforcing particles. This study aims to analyze the effect of the addition of Silicon Carbide (SiC) at 3 wt% and Rice Husk Ash (RHA) at 2 wt%, 4 wt%, and 6 wt% on the hardness, impact toughness, and microstructure of aluminum scrap using the st…
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- xv, 45 hlm.; ilus.; 29 cm
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- T1932812026
PENGARUH PERLAKUAN PANAS TERHADAP TRANSFORMASI FASA Ti-6Al-4V GRADE 23 HASIL …
Ti-6Al-4V Grade 23 is a biomaterial widely used for implant applications due to its high strength, good corrosion resistance, and excellent biocompatibility. The Selective Laser Melting (SLM) process produces a martensitic α′ microstructure with high residual stress, which requires heat treatment to improve microstructural stability and material properties. This study aims to analyze the eff…
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- xxix, 70 hlm.; ilus.; tab.; 29 cm.
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- T1931882026
ANALISIS KEKERASAN MIKRO DAN STRUKTUR MIKRO TI-6AL-4V GRADE 23 PADA PROSES SE…
This study aims to analyze the effect of Selective Laser Melting (SLM) process parameters on the microhardness and microstructure of Ti-6Al-4V Grade 23 titanium alloy. This material is widely used in biomedical and aerospace applications due to its high strength-to-weight ratio, good corrosion resistance, and excellent biocompatibility. However, laser-based additive manufacturing processes ofte…
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- xxvii, hlm.; ilus.; tab.; 29 cm.
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- T1931742025
ANALISIS PENGARUH PARAMETER SELECTIVE LASER MELTING TERHADAP SIFAT MEKANIK PA…
This study investigates the effect of Selective Laser Melting (SLM) process parameters on the mechanical properties of Ti-6Al-4V Grade 23, a material widely used in biomedical applications, particularly medical implants. The advancement of additive manufacturing technology has enabled the fabrication of personalized prostheses with complex geometries tailored to individual needs. Selective Lase…
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- xxv, 62 hlm.; ilus.; tab.; 29 cm.
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- T1931542026
PENGEMBANGAN DAN KARAKTERISASI MEMBRAN POLYVINYLIDENE FLUORIDE (PVDF) DENGAN …
This study is aimed at developing membranes made from Polyvinylidene Fluoride (PVDF) modified with the addition of Silver Nitrate (AgNO₃). The membranes are expected to possess robust mechanical properties, optimal surface morphology, high filtration performance, and resistance to fouling. The membranes are fabricated using the phase inversion method, where PVDF solution at varying concentrat…
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- xviii, 95 hlm.; ilus.; tab, 29 cm
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- T1882192025
RANCANG BANGUN ALAT PENYARING AIR LIMBAH RUMAH TANGGA MENJADI AIR SIAP MINUM …
This research focuses on the design and testing of a household wastewater filter that aims to convert domestic wastewater into potable water through the application of multi-stage filtration and disinfection technology based on Polyvinylidene Fluoride (PVDF) membranes. The background of the research is based on the increasing need for clean water, limited access to potable water, and high level…
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- xvi, 100 hlm.; ilus.; tab, 29 cm
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- T1883622025
PENGARUH SILICON CARBIDE DAN RICE HUSK ASH TERHADAP SIFAT MEKANIK ALUMINIUM M…
The development of the automotive and aerospace industries is driving demand for lightweight materials such as aluminum alloys. In Indonesia, aluminum demand reaches 1.2 million tons per year, but 56% is still met by imports (ESDM, 2024). Aluminum waste, such as cans and spare parts, can pollute the environment. Aluminum recycling is a solution to reduce waste and dependence on imports, as well…
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- xxv, 103 hlm.; ilus.; tab, 29 cm
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- T1893542025
ANALISA SIFAT MEKANIS TERHADAP PENGELASAN PLAT TITANIUM ALLOY DENGAN METODE L…
Titanium alloys are widely used in aerospace, biomedical, and manufacturing industries due to their high strength-to-weight ratio and excellent corrosion resistance. However, welding titanium alloys remains challenging because of their high sensitivity to heat input, which significantly affects mechanical properties and microstructural characteristics. This study aims to analyze the effect of w…
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- xxix, 39 hlm.; ilus.; 29 cm
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- T1923012025
STUDI KUALITATIF: ANALISIS IMPLEMENTASI KURIKULUM MERDEKA PADA KELAS X TEKNIK…
This study aims to analyze the implementation of the Merdeka Curriculum in Grade X Mechanical Engineering at State Vocational High School 7 Palembang, with a focus on instructional activities, student participation inworkplace-related learning, and the implementation of the Pancasila Student Profile Strengthening Project (P5). The research employed a descriptive qualitative design. Data were co…
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- xiv, 58 hlm.; ilus.; 29 cm
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- T1919932025
ANALISIS KETERSEDIAN PERALATAN PRAKTIK DI WORKSHOP PEMESINAN SMK NEGERI 2 PAL…
Penelitian ini bertujuan untuk menganalisis ketersediaan peralatan praktik di Workshop Pemesinan SMK Negeri 2 Palembang. Keberhasilan proses pembelajaran di SMK sangat bergantung pada tersedianya fasilitas yang memadai, Kelengkapan peralatan praktik memiliki peran penting dalam mendukung proses belajar dan pengembangan kompetensi siswa, terutama untuk kegiatan praktikum. Penelitian menggunakan …
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- xiv, 58 hlm.; ilus.; 29 cm
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- T1920302025
PERBANDINGAN BESARAN ENERGI AKTIVASI DAN TITIK LELEH DARI AA5052 DAN AA7075 D…
Aluminum alloys are widely used materials due to their good corrosion resistance and high strength-to-weight ratio. AA5052 and AA7075 are two types of aluminum alloys that differ in alloying elements and thermal properties. This study aims to analyze the activation energy and melting point of AA5052 and to compare the results with those of AA7075 using Thermogravimetric Analysis (TGA) and Diffe…
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- xiii, 94 hlm.; ilus.; 29 cm
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- T1916632025
PENGEMBANGAN MODUL AUTODESK INVENTOR MATERI ASSEMBLY DAN PRESENTATION BERBASI…
Penelitian dan Pengembangan (R&D) ini bertujuan untuk menghasilkan modul pembelajaran Autodesk Inventor materi Assembly dan Presentation berbasis Generative AI yang memenuhi kriteria kelayakan (validitas) dan kepraktisan. Latar belakang penelitian ini adalah kurangnya ketersediaan bahan ajar yang terstruktur dan spesifik yang membahas aspek assembly dan presentation 3D di Program Studi Pendidik…
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- xvi, 142 hlm.; ilus.; tab.; 29 cm.
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- T1920502026
EFEK KETEBALAN PLAT BAJA KARBON RENDAH SS-400 TERHADAP DISTORSI FILLET JOINT …
This study aims to analyze the effect of variations in the thickness of SS-400 low carbon steel plates on the distortion of fillet joints using the Shielded Metal Arc Welding (SMAW) method. Welding is a widely used method of joining metals, but it often causes distortion due to uneven heat distribution during the heating and cooling processes. The plate thickness variations used in this study w…
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- xv, 32 hlm.; ilus.; 29 cm
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- T1918832025
STUDI EKSPERIMENTAL PEMANAS AIR DENGAN MEMANFAATKAN UDARA PANAS OUTDOOR AC SP…
Peningkatan penggunaan Air Conditioner (AC) di daerah beriklim tropis seperti Indonesia menyebabkan pelepasan panas buang yang cukup besar ke lingkungan melalui unit outdoor. Panas buang tersebut umumnya tidak dimanfaatkan, meskipun memiliki potensi sebagai sumber energi alternatif. Penelitian ini menyajikan studi eksperimental sistem pemanas air dengan memanfaatkan udara panas dari unit outdoo…
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- xvi, 175 hlm.; ilus.; tab.; 29 cm.
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- T1915922025
ANALISIS KINERJA METODE K-NEAREST NEIGHBORS UNTUK PENGEMBANGAN SISTEM OTOMASI…
The increasing volume of paper waste necessitates the development of more effective and efficient sorting systems to support recycling processes and reduce environmental impacts. Manual paper waste sorting is considered less optimal due to its time-consuming nature and susceptibility to human error. Therefore, this study aims to analyze the performance of the K-Nearest Neighbors (KNN) method in…
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- iii, 100 hlm.; ilus.; tab.; 29 cm.
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- T1915822025
PENGUJIAN TAR PADA PROSES GASIFIKASI UPDRAFT GASIFIER DENGAN GAS KELUAR DARI …
ar is a byproduct formed in the biomass gasification process due to the pyrolysis reaction of hydrocarbon compounds. The presence of tar in the gasification gas is a serious problem because it can clog the gas flow channel, reduce system efficiency, and disrupt the performance of advanced equipment. Therefore, efforts are needed to reduce the tar content to improve the quality of the gas produc…
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- xxiv, 91 hlm.; ilus.; tab.; 29 cm.
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- T1915962025
ANALISIS EKSPERIMENTAL KINERJA TURBIN ANGIN DARRIEUS NACA 0025 DENGAN TIGA SUDU
This study presents an experimental analysis of the performance of a three-bladed H-rotor Darrieus wind turbine employing a NACA 0025 airfoil, as an effort to develop a renewable energy–based power generation system suitable for low wind speed regions. The objective of this research is to examine the effect of wind speed variations on wind power, generator power output, and overall system eff…
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- xxi, 158 hlm.; ilus.; tab.; 29 cm.
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- T1914942025
PENGEMBANGAN SISTEM SORTIR OTOMATIS SAMPAH BOTOL PLASTIK DENGAN METODE DECISI…
Sampah plastik yang terus meningkat, khususnya jenis PET, HDPE, dan PP, menjadi permasalahan lingkungan serius karena proses daur ulang masih terkendala pada tahap pemilahan yang belum efisien dan akurat. Penelitian ini mengembangkan sistem sortir otomatis sampah botol plastik berbasis citra digital dengan metode Decision Tree guna meningkatkan akurasi, kecepatan, dan konsistensi proses pemilah…
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- x, 49 hlm.; ilus.; tab.; 29 cm.
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- T1914132025
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