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…
Burns are complex skin injuries that require immediate treatment to prevent infection and accelerate tissue regeneration. The breadfruit plant (Artocarpus altilis) contains flavonoid compounds, such as quercetin, which possess anti-inflammatory and antioxidant activities to support wound healing. However, the utilization of natural extracts is often hindered by low solubility and poor stability…
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…
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…
Perumusan Rencana Pembangunan Jangka Panjang Daerah Provinsi Sumatera Selatan Tahun 2025–2045 masih menghadapi sejumlah tantangan dalam penerapan Evidence-Based Policy, antara lain evaluasi program pembangunan pada periode sebelumnya yang belum dilakukan secara mendalam, keterbatasan ketersediaan data daerah untuk mendukung indikator pembangunan nasional, serta stagnasi dan ketimpangan Indeks…
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…
Film is a form of visual art that can shape public perceptions of various aspects of life, including social and cultural issues. The White Tiger, directed by Ramin Bahrani, presents a strong depiction of social class inequality within the context of Indian society. This inequality is represented not only through the narrative structure but also through visual symbols, dialogue, and social relat…
Latar Belakang: Vitamin D berperan penting sebagai pelindung dalam patogenesis sepsis dengan cara meredam inflamasi neutrofil dan menjaga fungsi limfosit. Rendahnya kadar vitamin D berkontribusi langsung pada buruknya profil hematologi (seperti tingginya RNL) dan peningkatan risiko gagal organ pada pasien sepsis. Penelitian ini bertujuan untuk mengetahui korelasi antara kadar vitamin D dengan r…
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…
Psychological well-being merupakan kondisi psikologis yang berperan penting dalam mendukung perkembangan pribadi, sosial, dan akademik siswa. Rendahnya psychological well-being dapat berdampak pada motivasi belajar serta kemampuan siswa dalam menjalani proses pembelajaran dan penyesuaian diri di lingkungan sekolah. Penelitian ini bertujuan untuk mengetahui efektivitas layanan klasikal dengan pe…
Dam-break events represent hydrodynamic phenomena that may cause significant impacts on infrastructure, the environment, and human safety due to the sudden and unsteady flow of water. Therefore, understanding the characteristics of dam-break flow is essential in civil engineering, particularly for disaster mitigation and the safe design of hydraulic structures. This study aims to model and anal…
Two types of industrial metallic materials commonly used are SS400, which is a low-carbon steel with moderate strength, and SS304, which is an austenitic stainless steel characterized by high corrosion resistance and lower thermal conductivity. This study aims to analyze the magnitude of distortion, hardness distribution, and microstructural changes in dissimilar welded joints between SS400 and…
Distortion is one of the main problems in welding processes that can lead to dimensional inaccuracies and reduced joint quality. Distortion occurs due to non-uniform heat distribution and the development of residual stresses during welding. This study aims to analyze the effect of SS400 low carbon steel plate thickness variation on distortion in T-joint welds using the Shielded Metal Arc Weldin…
Rice (Oryza sativa) is the primary crop that produces rice and plays an important role in supporting Indonesia’s economy. One of the major diseases that frequently infects rice plants is blast disease, which is caused by the fungus Pyricularia oryzae. As a more environmentally friendly alternative, the use of microorganisms as biological agents can inhibit and suppress pathogen development su…
Penelitian ini bertujuan untuk mengevaluasi sistem listrik di Gedung Jurusan Teknik Elektro Fakultas Teknik Universitas Sriwijaya Kampus Inderalaya berdasarkan Standar Nasional Indonesia (SNI) dan Persyaratan Umum Instalasi Listrik (PUIL). Evaluasi dilakukan terhadap tiga hal utama, yaitu tingkat pencahayaan, kemampuan pendingin udara (AC), serta sistem instalasi listrik dan perlindungan. Metod…
Dissimilar metal welding between low carbon steel SS400 and stainless steel SS304 is widely applied in industrial applications due to its ability to combine different mechanical properties and corrosion resistance. However, differences in thermal properties, coefficients of thermal expansion, and thermal conductivity often result in high distortion and residual stress in welded joints. One comm…
Dissimilar metal welding between carbon steel and stainless steel has been widely applied in industrial applications to reduce production costs and improve equipment reliability. However, differences in physical, mechanical, and thermal properties between the materials may lead to welding-related issues, particularly distortion in fillet weld joints. This study aims to analyze welding distortio…
Plastic waste is increasing globally and poses significant environmental challenges. High Density Polyethylene (HDPE), one of the most widely produced plastics, is difficult to decompose naturally due to its strength, durability, and chemical resistance, making it a potential alternative construction material and a solution for plastic waste management. This study investigates the effect of pre…
The Musi River is the main route for community activities in Palembang City, which makes it vulnerable to plastic pollution, including microplastics. The Juaro catfish (Pangasius polyuranodon), a food fish found in this river, is likely to ingest microplastic particles through its digestive tract. The study was conducted from December 2024 to February 2025 at two locations: Musi 2 and 13 Ulu Ta…
Penelitian ini bertujuan untuk mengetahui hubungan antara regulasi emosi dan stres akademik pada siswa SMA Negeri 1 Pemulutan. Metode yang digunakan adalah kuantitatif dengan pendekatan korelasional, melibatkan 154 siswa dari populasi 250 siswa kelas X dan XI yang dipilih secara stratified random sampling. Instrumen yang digunakan adalah skala regulasi emosi dan stres akademik yang telah diuji …
Sungsang village is located at the mouth of the Musi River, which is a semi-enclosed body of water in free contact with the sea. Microplastics are a type of plastic waste that is smaller than 5 mm in size and are grouped into two types of primary and secondary microplastics. Despite the fact that there are still many fiddler crabs in mangrove ecosystems, human activities such as residential are…
Penelitiaan ini bertujuan untuk mengetahui implementasi dari program pembangunan jaringan IPAL Paket B2A di Kota Palembang yang dilaksanakan oleh Balai Prasarana Permukiman Wilayah Sumatera Selatan. Metode penelitian yang digunakan, yaitu metode penelitian kualitatif untuk menjelajahi dan meneliti sebuah fenomena utama, dengan penelitian yang bersifat deskriptif. Teknik pengumpulan data dilakuk…
Penelitian ini menganalisis upaya sekuritisasi yang dilakukan oleh Pemerintah Indonesia terhadap impor ilegal produk kecantikan yang dijual melalui TikTok Shop pada periode 2021-2023. Dalam beberapa tahun terakhir, peningkatan signifikan dalam penggunaan platform digital untuk perdagangan telah membuka peluang bagi masuknya produk-produk ilegal, termasuk produk kecantikan yang tidak memenuhi st…
Direct Laser Metal Deposition (DLMD) is an additive manufacturing process that forms metallic components through layer-by-layer deposition of powder melted by a high-power laser. Powder flow behavior plays a critical role in determining deposition quality, and the nozzle outlet angle directly affects powder concentration, spot size, and capture efficiency. This study analyzes powder flow charac…
Penelitian ini bertujuan untuk mengetahui pengaruh penerapan model Discovery Learning berbasis outdoor pada keterampilan berpikir kritis siswa kelas X pada materi Ekosistem. Jenis penelitian yang digunakan yaitu pre-eksperimental dengan desaign penelitian one group pre-test pos-tes Desaign. Pengambilan data dilakukan di SMA Patra Mandiri 2 Palembang. Sampel penelitian ini berjumlah 30 orang sis…
Peran Greenpeace sebagai Lembaga Swadaya Masyarakat (LSM) dalam Program Pengelolaan Sampah Plastik di Indonesia pada tahun 2019 hingga 2022. Penelitian ini bertujuan untuk mengeksplorasi peran Greenpeace sebagai Lembaga Swadaya Masyarakat (LSM) dalam program pengelolaan sampah plastik. di Indonesia antara tahun 2019 hingga 2022. Melalui pendekatan teori masyarakat sipil, penelitian ini mengkaji…