The ripeness level of oil palm Fresh Fruit Bunches (FFB) is a determining factor for the quality of Crude Palm Oil (CPO). The method of sorting FFB before entering the boiling process is generally done manually which is destructive and subjective. Imaging methods have emerged to address this problem. This research aims to develop a computer imaging system based on LED lights and color filters f…
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The development of digital technology has driven a major transformation in the manufacturing industry. This study designed and built a prototype of an automatic loosed fruits sorter based on a camera and Arduino Uno. The system consists of two main components that are integrated with each other, namely the detection system and the automation system. The detection system includes the preparation…
Ferroelectric materials are thin-film dielectric substances widely used in electronic devices such as sensors, capacitors, and memory due to their ease of modification and permanent properties. This study aims to synthesize and analyze thin films of (0.3)BaTiO₃-(0.7)BaZr₀.₅Ti₀.₅O₃ (BT-BZT) doped with pineapple peel extract and tantalum at concentrations of 0.5 wt%, 1.0 wt%, and 1.5 …
Cabbage (Brassica oleracea var. capitata) waste a by-product of agricultural activities and vegetable distribution, has potential to be utilized as a raw material for activated carbon in the fabrication of supercapacitor electrodes. This study aims to synthesize and characterize carbon electrodes derived from cabbage waste using potassium hydroxide (KOH) as a chemical activating agent with vary…
This research focuses on the preparation of activated carbon from the biomass of matoa (Pometia pinnata) fruit skin with a variety of electrolyte solutions to improve the performance of supercapacitor electrodes. The main objective is to develop activated carbon as an electrode material for supercapacitor applications. Its physical and chemical properties were characterized using X-ray diffract…
This research aims to examine the potential and quality of groundwater in Perhentian Marpoyan Village, Marpoyan Damai District, Pekanbaru City, using the geoelectric resistivity method with the Wenner-Schlumberger configuration to identify subsurface structures and detect aquifer layers. The collected data were processed using Res2Dinv software to produce a two-dimensional resistivity mode…
The global energy crisis and environmental degradation caused by fossil fuel utilization have driven innovation in more environmentally friendly energy storage technologies, one of which is the supercapacitor. This study explores the potential of bilimbi fruit (Averrhoa bilimbi L.) as a source of activated carbon as well as a natural electrolyte material in symmetric supercapacitors. Bilimbi fr…
The diversity of ants is influenced by habitat variations, as ants are highly sensitive to environmental changes. Ecological factors such as vegetation and microclimate can affect their distribution and abundance. This study aims to examine the composition, diversity, and evenness of ant species across different habitats within the University of Riau area. The research on ant species diversity …
Fiddler crabs (Uca spp.) have an important role in maintaining the balance of the food chain and nitrogen cycle in mangrove ecosystems. The Tanah Merah Village community utilizes mangrove wood in their daily lives which can damage and loss of mangrove vegetation ecosystems. Mangrove damage can cause loss of habitat for various types of aquatic biota, one of which is the fiddler crab. This study…
ABSTRACT This research aims to analyze the impact of Augmented Reality and Artificial Intelligence on Customer Satisfaction through Immersive Experience in the Skin Cam feature, particularly for Skintific products on Shopee among Zillennials. The calculation of the sample size in this study was conducted using the Lemeshow formula, resulting in a total sample size of 400 respondents who have u…
ABSTRACT This study aims to determine the influence of Self Concept, Self Efficacy and Locus Of Control on the Career Maturity of Employees at PT. Semesta Mitra Sejahtera. The population in this study includes all employees of PT. Semesta Mitra Sejahtera. The sampling technique used is Non-Probability sampling, specifically the saturation sampling method with a total of 43 employees. This …
Penelitian ini didasari oleh adanya permasalahan yang kerap muncul dalam proses belajar siswa, yang dapat berdampak pada hasil belajar mereka. Hasil belajar sendiri berfungsi sebagai bentuk evaluasi atau penilaian dari guru terhadap keberhasilan proses pembelajaran. Pendidikan merupakan suatu usaha yang dilakukan secara sadar untuk mengembangkan potensi manusia secara maksimal dalam berbag…
This study aims to determine the effect of icky shuffle ladder drill training on agility in the SMPN 8 Pekanbaru futsal team game. The method used is an experiment with pre-test and post-test data collection techniques using icky shuffle ladder drill training carried out in 12 meetings. The research sample was 14 athletes from the SMPN 8 Pekanbaru futsal team. From the findings, it can be c…
This study aims to analyze the influence of parental roles and learning motivation on student learning outcomes. The study was conducted at SMP Negeri 1 Pekanbaru, Class VII, Social Studies Subject. The sample in this study was 70 students using proportional random sampling techniques. Data were obtained through documentation and questionnaires, then analyzed using descriptive analysis and…
Siswa yang kecanduan menonton drama korea memiliki dampak negatif dari kebiasaan ini, salah satunya menyebabkan penyesuaian diri menjadi rendah. Sehingga perlu adanya layanan bimbingan dan konseling seperti bimbingan kelompok serta metode pembelajaran yang menarik seperti art therapy yang dapat membantu siswa untuk lebih baik dalam peningkatan penyesuaian dirinya. Penelitian ini berjudul �…
ABSTRACT This study aims to analyze the effect of sustainability performance on firm value with investment decision as an intervening variable. The objects of this research are energy sector companies listed on the Indonesia Stock Exchange (IDX) during the 2019–2023 period. Sustainability performance is measured using the Sustainability Report Disclosure Index (SRDI) based on GRI G4 guidelin…
Pengambilan keputusan karir adalah proses yang dilakukan individu untuk membuat pilihan yang diinginkan dari beberapa alternatif pilihan. Dimana individu mampu mencapai tugas-tugas perkembangan secara baik dan mandiri. Untuk memilih atau mengambil sebuah keputusan tentu ada pertimbangan yang dilakukan. Agar siswa tidak salah dalam memilih dan dapat mencapai tujuan dan cita-cita dimasa depan ser…
ABSTRACT This study aims to analyze the Influence of Non-Physical Work Environment, Occupational Safety and Health (K3) on Work Productivity at the Blacksmith Center in Teratak Village, Rumbio Jaya District. This study uses a quantitative approach with primary data obtained through questionnaires, as well as secondary data from literature, documents, and related reports. The population in this…
ABSTRACT This study aims to determine the effect of sustainability performance on firm value through funding decisions in the energy sector listed on the Indonesia Stock Exchange in 2019-2023. The sample in this study used purposive sampling technique which amounted to 23 Energy companies on the IDX. Secondary data obtained by the documentation method, to test the hypothesis in this study usin…