Radiators are essential heat exchangers in automotive engine cooling systems that enhance engine performance by dissipating heat. Conventional coolants such as water, ethylene glycol, propanol, engine oil, and their mixtures exhibit limited thermal performance due to their low thermal conductivity. This study aims to evaluate the enhancement of heat transfer performance in a car radiator using …
This research is entitled "Development of Infographic Media Based on the Canva Application. Tekurep Crater Burial Material for History Learning at SMA PGRI 2 Palembang". This research was carried out in class X-8 of SMA PGRI 2 Palembang. This research is a type of development research using the Alessi & Trollip method. The aim of this research is to develop infographics using the Canva applicat…
Penelitian ini membahas perancangan dan simulasi launcher roket air yang menggunakan sistem penggerak mekanik serta mekanisme pelepasan berbasis pneumatic. Tujuan penelitian adalah menghasilkan desain launcher yang aman, stabil, dan mampu mengatur sudut peluncuran secara presisi. Proses perancangan dilakukan menggunakan SolidWorks untuk memodelkan rangka, sistem penggerak horizontal dan vertika…
Penelitian ini bertujuan untuk mendapatkan varietas tanaman bawang merah apa yang dapat tumbuh dengan baik pada sistem polikutur dengan kelapa sawit. Penelitianini telah dilaksanakan dari bulan Oktober 2023 hingga November 2023, di kebun riset kelapa sawit Indralaya Fakultas Pertanian Universitas Sriwijaya.Penelian dilakukan dengan menggunakan Rancangan Acak Kelompok (RAK)dengan 5 varietas yang…
The purpose of this study was to determine the effect of sugarcane bagasse and chicken manure spread on the soil surface to the growth and yield of corn (Zea mays). This research was conducted at the Experimental Station of the Faculty of Agriculture, Sriwijaya University (3°13'21 "S 104°38'49 "E) Indralaya District, Ogan Ilir Regency, South Sumatra from October 2023 to February 2024. This st…
ABSTRACT There are various technologies used in drying processes, one of which is drying using a combustion furnace that utilizes the heating of metals or materials to alter the shape or properties of a material through heat treatment. This study aims to analyse the financial feasibility of using a multi-level combustion furnace as an alternative grain drying tool, specifically designed for sma…
This study aimed to determine the effect of leaf position and drying time on the chemical characteristics of gambier leaf-based green tea. The research was conducted at the Laboratory of Chemistry and Processing of Agricultural Products, Departement of Agricutural Technology, Faculty of Agriculture, Sriwijaya University from May 2024 to June 2024. This study used a Factorial Completely Rendomaz…
This study aimed to determine the physic characteristics, chemical characteristics and hedonic test of mung bean flour (vigna radiata) and blondo addition on corn flour (Zea mays) flakes. This study used a Factorial Completely Randomized Design (FCRD) with two treatment factors, which was the concentration of substitute (A1: 5%, A2: 15% and 3: 35%) and the type of substitute (B1: mung bean flou…
Kematangan buah anggur merupakan faktor utama dalam menentukan kualitas dan nilai jual buah karena berpengaruh langsung terhadap rasa, tekstur, dan tingkat kesegaran. Penilaian kematangan buah anggur secara manual masih memiliki keterbatasan karena bersifat subjektif dan bergantung pada pengalaman manusia. Penelitian ini bertujuan untuk merancang dan menganalisis sistem klasifikasi kematangan b…
Vegetative and generative growth of oil palm (Elaeis guineensis Jacq.) was influenced by climatic elements such as air temperature, length of irradiation, rainfall, and air humidity. The aim of the experiment was to study the effect of the dry season on the vegetative and generative growth of oil palm and to obtain a description of the damage to oil palm plants. The research was conducted at th…
Coconut (Cocos nucifera) is a tropical plant commodity with high economic value, because almost all parts of the plant have the potential for commercial use. Oyster mushroom cultivation uses raw materials for making baglogs derived from a mixture of sawdust, rice bran, lime and mushroom seeds. The average productive life of mushroom baglogs is 4 months. After passing the productive life, mushro…
This research aims to develop a 3D representation of the parenchyma tissue structure based on its functions using Blender software. The 3D representations developed include assimilation parenchyma from Japanese spinach (Spinacia oleracea), storage parenchyma from potato (Solanum tuberosum), aquifer parenchyma from cacti (Brasilicereus phaeacanthus), and air parenchyma from water hyacinth (Eichh…
Ojin is the first online transportation application in Indralaya. The potential for user dissatisfaction cannot be dismissed solely based on the application's user count. Therefore, it is essential to assess the Ojin application through methods such as the user experience questionnaire and cognitive walkthrough. This study aims to evaluate user experience and measure the usability level of the …
This study aimed to determine the chemical composition and organoleptic characteristics of lozenges made from the extract of the water lettuce plant (Pistia stratiotes) through experimental laboratory methods. The experimental design used in this study was a Randomized Block Design (RBD) with 4 formulations differing in the concentration of water lettuce extract (30%, 20%, 10%, and 0%). Each fo…
This study aims to find and determine the best dosage and transplanting time on the growth and yield of caisim (Brassica Juncea L.). This research was conducted at Pondok Hijau boarding house, North Indralaya sub-district, Ogan Ilir district, South Sumatra province with coordinates 3°12'39" N and 104°39'12" E. The research began in June until September 2023. The research used Randomized Block…
This study aimed to determine the best combination of oil palm empty fruit bunches compost and urea fertilizer on the growth of aloe vera (Aloe vera L.). This study was carried out at Jalan K.H. Balkhi Perumahan Permata Hijau (3o00’01”S 104o47’02”E), Palembang City, South Sumatra Province, from July to August 2020. This study used Randomized Block Design method which consisted of 7 trea…
The study aims to test and evaluate the integrity and impact of advances in information technology on the transformation of the auditor profession in the context of Society 5.0. The study will be shown at the BPK Representative of South Sumatra Province and KAP in Palembang City. This study collected data using a questionnaire. A sum of 95 respondents, including auditors who work at the BPK Rep…
This study aims to determine the condition of the scale of production in the wheat flour industry in Indonesia, and to see the effect of capital and labor on output in this industry. This study uses secondary data from Indonesian industrial statistics at the Indonesian Central Bureau of Statistics for 1990-2021. This study uses multiple linear regression techniques with the Cobb-Douglas product…
Water hyacinth (Eichhornia crassipes) is an aquatic plant that is considered a weed that causes environmental problems and can be used as a source of antioxidants. The aimed to analyze the content of polyphenolic compounds and antioxidant activity in water hyacinth plants (Eichhornia crassipes) in different locations. In this research, functional group identification was also carried out using …
Postur kerja tubuh merupakan titik penentu dalam menganalisis postur tubuh dalam bekerja yang efektif dan ergonomis yang diperoleh apabila postur tubuh kerja mengalami kelelahan, kelainan dalam bentuk tulang sehingga hasil pekerjaan mengalami penurunan dan tidak sesuai yang diharapkan. Penelitian ini bertujuan untuk mengevaluasi risiko postur kerja pada saat proses peyortiran daging ikan menggu…
Pempek sutra is a variety of pempek food that originated in South Sumatra.Pempek, with the addition of natural dyes derived from vegetables, is an effort to increase its value. This study aims to determine the characteristics and proper formulation of wolf herring meat ingredients and natural dyes of carrot extract. The research method used was a Factorial Randomized Block Design (FRBD) with si…
This study aims to determine the application of digital classes and their influence on self efficacy and learning outcomes of class XI students in Biology at SMA Negeri 1 Pemulutan. The research subjects of class XI MIPA 1 amounted to 30 students as a control class and class XI MIPA 2 with a total of 29 students as an experimental class. The research method used is Quasi Experiment with Nonequi…
Membran elektrospun berbasis PVA (polivinil alkohol) yang tahan air dengan mekanisme crosslinked berbeda telah disintesis menggunakan metode pemintalan elektrik. Diferensiasi dalam mekanisme crosslinked dicapai melalui penambahan dua gugus fungsi berbeda ke dalam struktur molekul membran. Evaluasi sifat tahan air pada membran dilakukan dengan analisis struktur mikro dan makro, seperti FTIR, SEM…
This study aimed to analyze the characteristics of red dragon fruit (Hylocereus polyrhizus) jam with the addition of red dragon fruit peel. The research employed a Completely Randomized Design (CRD) with a single-factor treatment consisting of six levels of red dragon fruit jam formulations: A1 (0% peel addition), A2 (30% peel addition), A3 (40% peel addition), A4 (50% peel addition), A5 (60% p…
This study aimed to determine the optimal concentration of Nasa Liquid Organic Fertilizer for the growth of oil palm seedlings during the pre-nursery stage. The research was conducted from September 2024 to January 2025 at Shade House of the Faculty of Agriculture, Sriwijaya University. The experimental design used was a Randomized Block Design (RBD), consisting of six treatment levels of POC N…
The objective of this research was to determine the effect of sapodilla addition on characteristics physical, chemical, microbiology, and organoleptic of yoghurt. This research used a non factorial completely randomized design (CRD) with one main treatment of sapodilla juice addition, which consisted of five factors (2%, 4%, 6%, 8%, and 10%) and all experiment was carried out in triplicates. Th…
Penelitian ini bertujuan untuk mengetahui pengaruh jenis dan konsentrasi pewarna alami terhadap karakteristik fisik, kimia dan organoleptik saus tomat. Metode penelitian menggunakan Rancangan Acak Lengkap Faktorial (RALF) dengan 2 perlakuan yaitu perlakuan A jenis pewarna alami dengan 4 taraf (bunga rosella, buah bit, bunga telang dan bunga sepatu) dan perlakuan B konsentrasi pewarna alami deng…
This research aimed to determine the water content, density, and organoleptic qualities of orthodox black tea grade 1 and grade 2 from January to May 2023 at the PTPN VII Unit Pagar Alam. The study used experimental methods by analyzing the water levels, densities, and quality of the organoleptic properties of orthodox black teas grade 1 consisting of BOP, BPOPF, PF, DUST, BP, BT, and grade 2, …
This research aims, to determine the effect of soursop leaf concentration and fermentation time on the chemical, microbiological, and sensory characteristics of soursop leaf kombucha. The research was conducted at the Laboratory of Chemistry, Microbiological, Sensory and Processing of Agricultural Product Processing, Agricultural Product Technology Program, Sriwijaya University, Palembang. The …
Penelitian ini bertujuan untuk mengetahui pengaruh jenis jeruk dan Cara ekstraksi terhadap karakteristik sari buah jeruk. Penelitian ini menggunakan Rancangan Acak Lengkap Faktorial (RALF) terdiri dari dua perlakuan yang terdiri dari perlakuan pertama jenis jeruk (medan, peras, kunci) dan perlakuan kedua metode pemerasan (manual dan slow juiser). Setiap kombinasi perlakuan diulangi sebanyak 3 k…