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Düzce Üniversitesi Bilim ve Teknoloji Dergisi
ISSN 2148-2446 · Düzce University · 2.928 artikel di indeks
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Artikel Jurnal
The Effect of Surface Properties Created by Industrial Pickling on Paint Adhesion Resistance and Corrosion Performance
This study investigated the effects of surface defects, known as acid burns and stop marks, formed during industrial pickling processes on the paint adhesion performance and corrosion resistance of a low-carbon steel sheet. These properties of optimally pickled, heavily pickled, and stop…
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Artikel Jurnal
Multi-Class News Classification with BERT, DistilBERT, RoBERTa, and ELECTRA Natural Language Processing Models
The rapid proliferation of digital news sources today necessitates the effective analysis and classification of large-scale textual data. In this study, BERT (Bidirectional Encoder Representations from Transformers) and its derivatives — DistilBERT, RoBERTa, and ELECTRA — were comparatively…
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Artikel Jurnal
Adaptive Reuse of Industrial Heritage for Cultural Spaces: Cases from Turkey and Europe
This study offers a comparative examination of transforming industrial heritage into cultural spaces through cases from Turkey and Europe. The scope is limited to three cases from Istanbul (Müze Gazhane, Santralistanbul, Bomontiada) and three from Europe (Tate Modern, Westergasfabriek, Matadero…
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Artikel Jurnal
Effect of Helichrysum Arenarium on PVA/Silk Protein-Based Scaffold Films: Detailed Investigation of Mechanical, Thermal, and Phase Changes
Biodegradable scaffold systems enhanced with plant extracts play a critical role in a wide range of biomedical applications. In this study, the effect of Helichrysum arenarium extract on poly(vinyl alcohol)/silk protein (PVA/SP) biodegradable films was characterized by ATR/FTIR, XRD, DSC, swelling…
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Artikel Jurnal
Adaptive Frequency Control in a Wireless Power Transfer System Using RF Modules
This paper presents an adaptive frequency control method for wireless power transfer systems, which monitors the resonant frequency variations caused by changing operating conditions and guarantees optimal system performance. The system is evaluated both at fixed frequency and with the proposed…
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Artikel Jurnal
Synthesis, Characterization, and Spectroscopic Properties of a Thiophene-Based Fluorene Derivative
Fluorene-based compounds have attracted considerable attention in recent years due to their diverse biological activities and rich photophysical properties. In this study, a thiophene-containing fluorene derivative was synthesized and structurally characterized by ¹H-NMR, ¹³C-NMR, FT-IR, and GC-MS…
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Artikel Jurnal
Geometric Analysis and Reinterpretation of the Traditional Latch Mirror in the Third Dimensions: The Case of Safranbolu
This study examines the door latch mirrors on traditional Safranbolu residential doors, which carry both formal and symbolic meanings, aiming to highlight their uniqueness and promote their sustainability. It seeks to present viable design alternatives using the shape grammar approach, which is…
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Artikel Jurnal
Physically Interpretable AI-Driven Prediction of Instability Regimes in Hydrogen-Enriched Premixed Combustion
Hydrogen-enriched combustion is central to decarbonizing high-efficiency energy systems, yet its practical adoption is limited by the onset of thermoacoustic and hydrodynamic instabilities in premixed flames. In this study; a novel, integrated framework that combines high-fidelity computational…
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Artikel Jurnal
Radiation Shielding Materials: A Bibliometric Review
Radiation shielding is a fundamental strategy for protecting individuals and the environment from the harmful effects of radiation exposure. Over the past two decades, a wide array of shielding materials has been developed to address the specific requirements of medical, nuclear, and space…
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Artikel Jurnal
Monitoring the Performance of a Transcritical Heat Pump Using an IoT System
The growing energy demand and environmental concerns have increased the orientation towards energy- efficient and environmentally friendly technologies. In this context, transcritical heat pumps using natural refrigerant R744 (CO₂) stand out. However, real-time monitoring is critical for operating…
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Artikel Jurnal
Sustainable Dye Removal from Aqueous Media Using Paronychia carica as a Natural Biosorbent
This study explores the use of sustainable natural resources in wastewater treatment, focusing on Paronychia carica, a member of the Magnoliopsida class, as a biosorbent for removing Procion Red dye (PR) from aqueous solutions. The effects of pH, initial dye concentration, adsorbent dosage and…
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Artikel Jurnal
Effect of CR-Modified Binders on the Mechanical Properties of Semi-Rigid Pavements Prepared with Porous Asphalt Mixtures
In this study, experimental investigations were conducted to evaluate the fundamental engineering properties and performance of porous asphalt mixtures modified with CR (crumb rubber) for use in semi-rigid pavement structures. During the design of the porous asphalt mixtures, different aggregate…
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Artikel Jurnal
The Concept of Sustainability in Interior Design: A Review of Global Practices and The Turkish Perspective
Sustainability in interior design is a multidimensional approach that aims to provide long-term environmental, economic, and social benes. This design philosophy not only reduces negative environmental impacts but also lowers operational costs by optimizing energy consumption and directly improving…
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Artikel Jurnal
Performance Evaluation of a Wind Turbine at High Altitudes Using an Aerostat-Based Stabilized Platform
This study aims to evaluate and quantify wind turbine performance aloft using a field-deployable tethered aerostat test platform, combining a lightweight horizontal-axis turbine, a conical diffuser, and synchronized onboard measurements of atmospheric conditions and electrical output. The platform…
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Artikel Jurnal
Simulation-Based Optimization of Passenger Flow and Resources in Airport Operations
This study examines capacity inadequacies at airports, a critical component of airline transportation, and their impact on passengers. Despite the advantages of air travel, such as time savings and convenience, increasing demand often leads to long queues and delays at airports. Congestion…
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Artikel Jurnal
Estimation of Exterior Thermal Insulation Costs of Multi-Storey Reinforced Concrete Buildings: A Model Example
Heat tends to pass from the environment where the temperature is high to the environment where it is low in environments with different interacting temperatures. Thermal insulation is manufactured in buildings in order to prevent heat transfer and provide a comfortable living space. In this study…
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Artikel Jurnal
Evaluating Different Hybrid Learning Algorithms using Grid Search Algorithm for Epileptic Seizure Zone Detection
In this paper, an effective method for accurately classifying Electroencephalogram (EEG) data for the early identification of epileptic seizures is presented. The suggested process essentially hybridizes several statistical data, discrete wavelet transformations (DWT), machine learning algorithms…
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Artikel Jurnal
A Dual-Method Evaluation of Long-Term Precipitation Changes in Türkiye’s Eastern Black Sea Basin
In this study, the long-term and seasonal precipitation dynamics of the Eastern Black Sea Basin were investigated using monthly total precipitation data from six meteorological stations for the period 1994–2024. Two contemporary trend analysis techniques—the Multi-Risk Level Identification (MRLI)…
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Artikel Jurnal
Parameter Estimation of PEMFC Model Via Glider Snake Optimization Algorithm
This study proposes a novel approach based on the Glider Snake Optimization (GSO) algorithm for estimating the seven unknown parameters of proton exchange membrane fuel cell models. The proposed GSO method was tested on three different fuel cell models: Nedstack PS6, BCS 500W and Ballard Mark V…
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Artikel Jurnal
Thermo-Hydraulic Performance Optimization of Intrusion-Type Curved Fins in Tube-Bank Heat Exchangers Using Response Surface Methodology
Flow separation and wake formation around circular tubes are among the primary causes of pressure losses and limited heat transfer performance in tube-bank heat exchangers (TBHEs). In this study, the thermo-hydraulic performance of a staggered circular tube-bank heat exchanger enhanced with a novel…
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