163 results
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Journal Article
Essay Answer Detection System Uses Cosine Similarity and Similarity Scoring in Sentences
Essay exams are often an option to evaluate a person's understanding and interpretation of the material they have studied, rather than simply testing knowledge or understanding through essay exams that still rely on manual methods. The disadvantage of manual assessment is that it is prone to errors…
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Journal Article
Inorganic Geochemistry of Coal from Patappa Village, Bone District, and Masenrengpulu Village, Barru District, South Sulawesi Province Using XRF Method
The chemical composition of coal is almost the same as that of plant tissue, containing the main elements of elements C, H, O, N, S, and P. An in-depth study of coal inorganic compounds is needed because coal inorganic compounds are the primary variable in ash formation during coal combustion. This…
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Journal Article
Characterization The Flavonoids Extract of Tridax Procumbens l. Leaves and Betel Lime as Materials for Open Wound Analgesic Ointment
Tridax procumbens L. has quite high flavonoid content (6.51%). Flavonoids have antimicrobial effects that can fight bacteria. Besides that, the flavonoid content of T. procumbens leaves as an analgesic inhibits has the potential to be used as an analgesic ointment material for open wounds. Betel…
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Journal Article
Recent Developments in The Influencing Variables of Hydrodistillation for Enhancing Essential Oil Yields in Indonesia: A Brief Review
Hydrodistillation is widely known as the simplest essential oils (EOs) isolation technique and is widely used by small-scale producers, such as in Indonesia. The main characteristic of hydrodistillation is the plant-source material of EOs soked in water, followed by boiling and diffusion. Variuos…
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Journal Article
Comparative Analysis of Three Solid Waste Management Systems Towards Full Automation
This study uses a four-week simulation to evaluate traditional, semi-automatic, and autonomous waste management systems, employing Principal Component Analysis (PCA), Discrete Event Simulation (DES), and an ANOVA test. PCA was used to visualise and understand the variations in waste collection…
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Journal Article
Density Functional Theory Investigation on The Electronic Structure, Properties and IR Spectra of 9,10-Iphenylanthracene
9,10-Diphenylanthracene belong to a class of polymer-based materials featuring a π-bonded molecules (organic semiconductors). We conducted a theoretical investigation into 9,10-DPA in both neutral and ionic states using Density Functional Theory (DFT) implemented in the Gaussian 09 package. The…
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Journal Article
Automated Detection of Spine Deformities: Advancing Orthopedic Care with Convolutional Neural Networks
This paper proposes Spine-CNN, a deep learning model for the detection of spinal deformities that can assist orthopedic doctors as a reliable tool for diagnosis. This technology promises to dramatically simplify the diagnostic process, freeing valuable time, and resources for healthcare…
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Journal Article
Evaluation of Tartrazine Solution as a Potential Gamma Dosimeter Material
Radiation dosimetry plays a crucial role in various fields, including medical, industrial, and environmental applications. Accurate and reliable dosimeters are essential for measuring and controlling radiation exposure. This study aims to evaluate the stability of the food dye tartrazine as a…
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Journal Article
Misconceptions about Acceleration among Prospective Physics Teacher: The Importance of Discussion of Acceleration as a Vector Quantity
When teaching, researchers found that many students had misconceptions about acceleration. Students' understanding of acceleration is influenced by the terms acceleration and deceleration in everyday life. This misconception results in obstacles to a deeper understanding of motion and an…
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Journal Article
Characteristics of Straight Trapezoidal Cross-Sectional Fins under Unsteady Conditions
The aim of this research is to understand the characteristics of fins with a trapezoidal cross-section. The shape of the fin's cross-section is one of the influential factors affecting fin characteristics. In the design of fins, it is crucial to comprehend the characteristics of the fin as they…
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Journal Article
Implementation of Scrum in the manufacture of non-invasive blood sugar detection devices using PPG signals
This study presents the effective integration of Scrum methodology in the production process of non-invasive blood sugar testing devices using Photoplethysmography (PPG) signals. During three months, a team consisting of a Product Owner, Scrum Master, and Developer Team successfully utilized…
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Journal Article
Design Of Maximum Torque Per Ampere Control Method In Squirrel Cage Three-Phase Induction Motor
Improving the performance of three-phase induction motors is currently carried out by various control methods. One of them is controlling a three-phase induction motor using the Maximum Torque Per Ampere (MTPA) method. This paper focuses on the study of modeling specific motor models using the MTPA…
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Journal Article
Comparison the adsorption of Pb with Ecofriendly Bio-Adsorbent From Rice Husk Ash and Boiler Fly Ash
The amount of environmental pollution is in line with the increasing of industry. Industry can generate waste in the form of solid, liquid or gas. Utilization of waste as an adsorbent is a solution that can be done in dealing with waste such as metal waste contained in water. Therefore, this…
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Journal Article
Image Detection Analysis for Javanese Character Using YOLOv9 Models
The Javanese script needs to be digitized to improve access and usage, especially among younger generations. Digitizing Javanese characters is crucial for preserving Javanese culture and traditions in the long term. This study aims to detect and recognize Javanese characters using the YOLOv9…
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Journal Article
Response of Shoots from Porang Leaf Bulbs to Cytokinins and IAA in Shoot Multiplication In Vitro
The growth regulators in media have the potential to significantly influence the process of in vitro plant regeneration. The response of explants in forming shoots also depends on the type and the combination of growth regulators. This research aimed to identify the most optimal type and…
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Journal Article
Mobile Forensic Investigation on iOS & Android Smartphones: Case Study Investigation on WhatsApp
Following the exponential growth of information and communication technologies, the smartphone market, as well as advances in wireless data networks (3G and 4G), has accelerated. Mobile apps for social networking and instant messaging have been created by these firms. Other instant messaging (IM)…
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Journal Article
Comparison of the mass composition of Coconut Shell in TiO2 towards its characterization for supercapacitor applications
This study aims to evaluate the effect of the mass ratio on the capacitance of electrodes made from TiO2-based composites. The composites were synthesized using a wet chemical method and applied using the doctor blade technique, incorporating TiO2 and rGO derived from coconut shell activated…
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Journal Article
Educational Media Introduction To Human Internal And External Organs For High School Students Based On Augmented Reality By Using The Assemblr Application
The development of information technology from year to year always experiences very rapid development, and one of the positive impacts of this development is the existence of innovation in the field of education. Education today already uses information technology, especially augmented reality…
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Journal Article
Smoothing Module for Optimization Cranium Segmentation Using 3D Slicer
Anatomy is the most essential course in health and medical education to study parts of human body and also the function of it. Cadaver is a media used by medical student to study anatomical subject. Because of limited access to cadaver and also due to high prices, this situation makes it necessary…
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Journal Article
Forensic Investigation in SQL Server Database Using Temporal Tables & Extended Events Artifacts
Different Database management systems (DBMS) were developed and introduced to store and manipulate data. Microsoft SQL (MSSQL) Server one of the most popular relational DBMS used for large databases. With the increasing use of databases, intentional and unintentional accidents on databases are…