The high consumption of cement in the construction industry has encouraged the utilization of nanosilica synthesized from fly ash through the precipitation method as a partial substitute for cement in mortar mixtures. This study used 5 cm × 5 cm × 5 cm cube mortar specimens with a water/cement ratio of 0.485 and nanosilica variations of 0%, 3%, 6%, 9%, and 12% by weight of cement. The tests i…
This study aims to analyze the impact of foreign investment in the Sei Mangkei Special Economic Zone (SEZ) on Indonesia's international economic relations. The Sei Mangkei SEZ, located in Simalungun Regency, North Sumatra, was developed by providing various fiscal and non-fiscal facilities to attract foreign investors and encourage national economic growth. This study uses a descriptive qualita…
Hepatitis is one of the global health problems with a persistently high incidence rate and the potential to cause serious complications if not detected early. Meanwhile, the use of laboratory data for machine learning-based diagnosis still faces challenges such as missing values, imbalanced class distribution, and the limited application of optimal combinations of feature selection methods and …
This study aims to examine and analyze the effect of transformational leadership on work engagement, both directly and through the mediating role of psychological empowerment. The object of this research was conducted on employees of PT. Kereta Api Indonesia (Persero) Divre III Palembang. The research population included all operational staff, with a total analyzed sample of 56 respondents. Dat…
Penelitian ini bertujuan untuk menganalisis pengaruh upah, Bantuan Pangan Non Tunai (BPNT), tingkat kemiskinan, dan rata-rata lama sekolah, serta interaksi antara BPNT dan tingkat kemiskinan terhadap tingkat partisipasi angkatan kerja (TPAK) di Pulau Sumatera selama periode 2018–2024. Penelitian ini menggunakan pendekatan kuantitatif dengan data panel yang bersumber dari Badan Pusat Statistik…
This final report discusses the procedures for reporting Individual Tax Returns (SPT OP) using the Coretax system at Emy Yunita Tax Consulting Office, based on observations during an internship from January to March 2026. The observations focused on the process of reporting Individual Tax Returns through the Coretax system, covering the stages of filing in taxpayer identity data, income reporti…
This study analyzes the effect of digitalization on self-employment and its correlation with sectoral labor structure in Asian countries. The data used are panel data from Asian countries during 2014–2023, sourced from the World Bank. Country grouping follows the World Bank income classification into developing and advanced countries. Digitalization is measured by internet penetration, while …
Heat exchanger tipe shell and tube merupakan salah satu peralatan utama yang digunakan dalam sistem pembangkit listrik tenaga uap (PLTU) untuk mendukung proses perpindahan panas antara dua fluida yang berbeda temperatur. Penelitian ini bertujuan untuk menganalisis pengaruh variasi jumlah baffle terhadap kinerja heat exchanger tipe shell and tube pada kondensor PLTU 3×10 MW PT Bukit Energi Serv…
ABSTRAK Perkembangan media digital telah mendorong perubahan signifikan dalam strategi komunikasi pemasaran, khususnya pada industri media lokal yang dituntut untuk beradaptasi dengan pergeseran perilaku konsumsi audiens. Media sosial, terutama Instagram, menjadi salah satu platform strategis dalam membangun citra, meningkatkan interaksi, serta mempertahankan eksistensi media lokal. Penelitian …
The development of blockchain technology has increased cryptocurrency transaction activities, especially Ethereum, whose daily transaction volume is highly fluctuating. This condition makes transaction volume prediction important for understanding network activity patterns. This study aims to develop a prediction model for daily Ethereum transaction volume using the XGBoost Regressor algorithm.…
Wind energy has become one of the most promising renewable energy sources, with horizontal-axis wind turbines widely used due to their high efficiency. However, the mechanical strength of turbine blades made using additive manufacturing is highly influenced by internal structural configurations, which may affect their durability under aerodynamic loading. To address this issue, optimization of …
Kolagen merupakan protein struktural utama yang banyak terdapat pada kulit ikan dan berpotensi dimanfaatkan sebagai sumber senyawa bioaktif, termasuk antioksidan. Penelitian ini bertujuan untuk mengekstraksi kolagen dari kulit ikan gabus (Channa striata), mengkarakterisasi sifat fisikokimia kolagen yang diperoleh, serta mengevaluasi aktivitas antioksidannya menggunakan metode DPPH dan FRAP. Eks…
Advanced Persistent Threat (APT) reports in Cyber Threat Intelligence (CTI) are generally presented as unstructured text, making them difficult to analyze manually and requiring automated methods to extract important entities quickly and accurately. This study aims to analyze the performance of Named Entity Recognition (NER) using a Bidirectional Long Short-Term Memory (BiLSTM) model with two s…
Hollow columns offer material efficiency and mass reduction, which are crucial factors for the seismic resistance of bridge infrastructure in Indonesia. This study evaluates the performance of prestressed hollow columns based on nano-silica concrete under cyclic loading through finite element method simulation using ANSYS software. Secondary data were used to model variations in tendon diameter…
This study aims to determine the role of the Himukta organisation in enhancing the social awareness of Universitas Sriwijaya students through the work programmes implemented. This research uses a qualitative approach, with 3 main informants and 1 supporting informant obtained through purposive sampling. The data collection techniques used are documentation, interviews, and observation. The vali…
Income inequality reflects the unequal distribution of income across regions. Income inequality in Sumatra during the period 2015 to 2024 shows a fluctuating pattern with varying levels of inequality among provinces. Education, as one of the component of human development, is assumed to play a role in influencing income inequality. This study aims to determine the best panel data regression mod…
This study aims to develop an Arduino Uno-based Programmable Logic Controller (PLC) e-module for the Electrical and Industrial Electronics course in the Mechanical Engineering Education Study Program at Sriwijaya University that has good levels of validity and practicality. This research was motivated by the limited availability of interactive learning media that can help students understand PL…
This study successfully developed an Augmented Reality (AR)-based learning tool in the form of flashcards for renewable energy topics in junior high school. The study was motivated by challenges in science education, particularly regarding renewable energy topics, as well as the need to enhance critical thinking skills as a 21st-century competency. A needs analysis conducted on 53 ninth-grade s…
This study aims to analyze the comparison of several soil physical properties at two different ages of oil palm plants. The study was conducted at a plantation owned by CV. Patra Agro Sawit with observations of soil physical properties including bulk density and total pore space. Soil sampling was carried out by purposive sampling on 5-year and 20-year-old oil palm plants. The soil samples were…
Paparan herbisida paraquat pada pekerja perkebunan tebu dapat menimbulkan dampak kesehatan serius, terutama gangguan pada darah yang ditandai dengan perubahan kadar cholinesterase dan hemoglobin, serta berpotensi mencemari lingkungan air dan ikan. Risiko ini semakin tinggi jika penggunaan dan pencampuran herbisida tidak sesuai standar, sehingga dapat menyebabkan keracunan kronis pada pekerja. P…
Latar Belakang : Pestisida organofosfat merupakan salah satu jenis pestisida yang paling banyak digunakan oleh petani padi di wilayah lahan basah (wetland) karena efektivitasnya dalam mengendalikan hama. Paparan berulang terhadap senyawa ini dapat menimbulkan risiko gangguan kesehatan, terutama gangguan fungsi paru. Namun efek pernafasan dari paparan lingkungan terhadap pestisida organofosfat p…
The development of renewable energy promotes small-scale wind turbines as independent power sources. This study designs and analyzes a small-scale Horizontal Axis Wind Turbine (HAWT) blade with a NACA 2412 airfoil using an integrated Computational Fluid Dynamics (CFD) and Finite Element Analysis (FEA) framework through a one-way coupling approach. CFD simulations were performed at Tip Speed Rat…
Identifying bacteria traditionally takes 24–72 hours and is prone to human error. With bacterial infections and antimicrobial resistance causing over 1 million deaths annually, faster and more accurate methods are urgently needed. This study compares two deep learning models, ResNet-50 (a classic CNN) and ConvNeXt-Tiny (a modern CNN) for classifying microscopic bacteria images using the DIBaS…
erikut adalah ketikan ulang dari dokumen pada image_d5154e.jpg: The COVID-19 pandemic had a significant impact on the global tourism sector, with Turkey experiencing a drastic decline in 2020. In this context, UNWTO as the UN specialized agency for tourism plays a strategic role in facilitating tourism sector recovery. The programs implemented by UNWTO include Tourism Recovery Tracker to monito…
This study aims to analyze the effect of tax administration modernization, tax audit perceptions, and tax sanctions on individual taxpayer compliance among employees of PT X. The object of this study is the employees of PT X. Using a random sampling method, the study involved 100 respondents as the research sample. The independent variables in this study are tax administration modernization, ta…
Indonesia is located in a region with high seismic activity; therefore, earthquake-resistant structures are strongly recommended. This study evaluates the behavior of prestressed hollow columns made of geopolymer concrete under combined cyclic and axial loading through finite element method simulations using ANSYS software. The study utilizes secondary data in the form of geopolymer concrete ma…
The Musi Estuary and Banyuasin Estuary are estuarine areas with high fish diversity and play an important role as habitats for aquatic organisms. Human activities, pollution, habitat degradation, and overfishing are suspected to reduce fish diversity, especially species categorized as threatened according to the IUCN Red List. This study aimed to analyze changes in the number of fish spcies and…
This study aims to describe the forms and classifications of character emotions in the novel Janji by Tere Liye and to analyze their implications for Indonesian Language learning in senior high school (SMA). This study employs a literary psychology approach with a qualitative descriptive method. Data were collected through the read-and-note technique, and data validity was established through p…
This study aims to produce a learning media product in the form of interactive digital learning material Book Creator with Project Based Learning approach on procedural text material of class VII students of SMP Negeri 13 Palembang. This study is a research & development (R&D) study using the Alessi and Trollip model which consists of three stages, namely the planning stage, the design stage, a…