Sürdürülebilir Kalkınma Amaçları
Yazarlar
- Uzun, Sevda(66)
- Merdan, Mehmet(56)
- Duran, Celal(50)
- Ozdes, Duygu(47)
- Kaygusuz, Abdullah(42)
- Demir, Selim(37)
- Turan, Ibrahim(37)
- Ashyralyyev, Charyyar(34)
- Dokuz, Abdurrahman(33)
- Araz, Onur(31)
- Öztürk, Serkan(31)
- Sipahi, Ferkan(30)
- Kandemir, Raif(28)
- Arslan, Mehmet(27)
- Karsli, Orhan(27)
- Kulakaç, Nurşen(26)
- Baltacı, Cemalettin(25)
- Gücer, Mehmet Ali(25)
- Kurt, Kemal(25)
- Maden, Nafiz(25)
- Ozturk, Samet(25)
- Topal, Fevzi(25)
- Baltaci, Cemalettin(24)
- Yücel, Cem(24)
- Aliyazicioglu, Yuksel(23)
- Bayrakdaroglu, Serdar(23)
- Kankal, Murat(23)
- Peker, Iskender(23)
- Yolcu, Halil(23)
- Reis, Hatice Catal(21)
- Topal, Meryem(21)
- Vural, Alaaddin(21)
- Aydin, Aydanur(20)
- Aydin, Faruk(20)
- Bayraktar, Alemdar(20)
- Kurnaz, Muammer(20)
- Çelik, Necati(20)
- Ürkek, Bayram(20)
- Cakir, Tufan(18)
- Günen, Mehmet Akif(18)
Yayınlar
- MakaleAçık Erişim2026Scopus SJRQ2Carbon footprint assessment and reduction strategies of a university campus in Turkey
Türle, İbrahim; Celen, Pınar
As key institutions and significant energy consumers, universities have a critical responsibility to lead efforts in energy efficiency and renewable energy use to reduce their environmental impact. In this regard, the Gümüşhane University carbon probe has produced the first study that makes it possible to identify the sources of greenhouse gas emissions and provides the opportunity to track, measure, and suggest reduction strategies in the years to come. The carbon footprint of Gümüşhane University from 2017 to 2023 has been calculated and examined in this paper. The IPCC and DEFRA conversion factors served as the foundation for the computations. The results showed that the university's use of natural gas and electricity was responsible for almost all of its carbon emissions. According to the IPCC and DEFRA, the 2017 emissions were 4999.93 and 4667 tCO2e, respectively. Following a move to online instruction in 2020, emissions decreased to 3894 tCO2e under DEFRA and 4365.44 tCO2e under IPCC. However, as campus life resumed its pre-pandemic pace in 2022 and 2023, emissions rose again, surpassing 5252.04 tonnes of CO₂e by 2023 using the IPCC method and 4042 tonnes of CO₂e using the DEFRA method. These results suggest that universities need to focus on their energy consumption patterns in order to reduce their carbon emissions, for example by placing greater emphasis on renewable energy sources, energy efficiency, and balanced consumption. The outcomes of this research will act as a guideline not only for Gümüşhane University to help it reach its sustainability goals, but also for other university administrations when formulating effective carbon reduction strategies, and for institutions seeking to measure or benchmark their environmental performance.
- MakaleAçık Erişim2026Scopus SJRQ3Institutional Determinants of Regional Poverty in Turkey: Evidence from Advanced Causality Analysis
Çiçen, Yıldırım Beyazıt
Poverty continues to be one of the major issues in Turkey, as in many other countries, with a large portion of the population – especially in rural areas – living below the poverty line. Those living in poverty have limited access to key public services such as education, healthcare and housing, which consequently exacerbates social and economic inequalities within society. The gap between wealthy and impoverished groups within society is continually expanding, primarily due to institutional factors that perpetuate this inequality. Drawing on data from 2009 to 2019, this study offers an empirical analysis of the role of institutions in shaping poverty in Turkey. The study applies the panel causality test developed by Juodis et al. (2021) to assess the influence of institutional structures on regional disparities. Infant mortality rates, the number of associate and bachelor’s degree graduates and the number of convicts are considered key indicators of institutional performance. The statistical analysis reveals a significant correlation between these variables and the 50% poverty rate. The findings suggest that strengthening the institutional framework is essential for addressing regional poverty in Turkey.
AtıfOpenAlex1
İncele - MakaleYalnız künye2026Scopus SJRQ1Analysis of microstructural properties and durability characteristics of geopolymer mortars with mining waste
Aksüt, Yavuz Selim; Kaya, Yusuf; Sünnetçi, Kadir
The growing environmental concerns over resource depletion and carbon emissions from cement production have accelerated the search for sustainable alternatives to conventional concrete. In this context, geopolymers have emerged as promising binders, particularly through the utilization of aluminosilicate-rich industrial wastes to reduce environmental impact and support waste recycling. This study examines the mechanical and durability properties of geopolymer mortars produced by partially replacing ground granulated blast furnace slag (GGBFS) with mining waste (MW) at ratios of 0%, 10%, 20%, and 30%. The mixtures were activated using 10 M sodium hydroxide and sodium silicate under standard water curing conditions. Mechanical strength, ultrasonic pulse velocity (UPV), freeze–thaw resistance, and sulfate durability were evaluated. The optimum performance was obtained with 20% MW, which achieved a 30.4% increase in flexural strength and 18% in compressive strength at 7 days. This mixture also showed the lowest mass (10.69%) and strength loss (18.36%) after 50 freeze–thaw cycles. Scanning electron microscopy analysis confirmed enhanced gel formation and microstructural densification. The findings demonstrate that controlled use of MW not only improves durability but also promotes sustainable binder development in geopolymer technology.
AtıfScopus1OpenAlex1İncele - MakaleYalnız künye2026Scopus SJRQ1Psychometric validation of the Turkish Short form of the disaster resilience scale for individuals
Doğru, Salih
Purpose This study adapts and validates the Short Form of the Disaster Resilience Scale for Individuals (DRSi-SF) into Turkish, aiming to provide a practical tool for assessing disaster preparedness in high-risk contexts. Method Data were collected from 505 adults across Türkiye, a country highly exposed to earthquakes, floods, and landslides. The DRSi-SF was translated and back-translated, with linguistic equivalence confirmed via paired t-tests and correlations. Psychometric analyses included exploratory and confirmatory factor analyses, internal consistency, concurrent validity testing with the Disaster Risk Perception Scale, and measurement invariance across gender and disaster experience groups. Findings and Conclusion The Turkish DRSi-SF retained its original three-factor structure—knowledge, readiness, and action—with acceptable fit indices (CFI = 0.906, RMSEA = 0.074) and reliability (α = 0.71). Disaster resilience correlated positively with risk perception, supporting concurrent validity. Measurement invariance was established at configural, metric, and scalar levels across groups, enabling meaningful subgroup comparisons. Practical implications The DRSi-SF offers a brief, scalable instrument for policymakers, emergency agencies, and NGOs to identify resilience levels, inform preparedness strategies, and target interventions. Its brevity facilitates integration into e-government systems, mobile applications, and community-based screenings. Originality This is the first Turkish adaptation of the DRSi-SF, aligning with the Sendai Framework for Disaster Risk Reduction and providing a culturally relevant, psychometrically sound tool applicable to other hazard-prone regions.
- MakaleAçık Erişim2026Scopus SJRQ2Enhanced Computational Efficiency in Solving Delay Fractional Partial Differential Equations Through the Yang Decomposition Method
Ali, Mustafa Ahmed; Merdan, Mehmet
This study presents the Yang Transform Adomian Decomposition Method (YTADM), a semi-analytical framework for solving one-dimensional linear and nonlinear delay fractional partial differential equations involving the Caputo fractional derivative. The proposed method combines the Yang transform with the Adomian decomposition method to construct recursive solution series while efficiently handling delayed nonlinear terms. The applicability of the proposed framework is demonstrated through several examples, including proportional-delay Burgers-type equations, and its convergence properties are analyzed. The obtained results show that YTADM yields rapidly convergent semi-analytical approximations and provides an effective framework for solving one-dimensional delay fractional partial differential equations.
- MakaleYalnız künye2026Scopus SJRQ3Evaluation of Factors Affecting Innovation in Developed and Developing Countries by MCDM
Salad, Liban Daud; Seyhan, Nazll
This study comparatively analyzes the economic, social, and technological factors determining the innovation performance of developed and developing countries within a holistic multi-criteria decision-making (MCDM) framework, using data from 2013 and 2021. The criterion weights determined by CRITIC and SWARA, and the WEDBA results, indicate a significant structural shift between the periods. In developed countries, R&D expenditures, patent production, and intellectual property protection are key determinants of innovation performance; while in developing countries, digital infrastructure, human capital, and education investments stand out. The findings reveal that innovation policies based on strategic priorities specific to country groups are more effective.
- MakaleYalnız künye2026Scopus SJRQ2Multi level throttled attention for accurate and efficient classification of retinal diseases in OCT images
Celik, Kemal; Celik, Fatih
The classification of retinal diseases using Optical Coherence Tomography images has gained significant attention in recent years. However, due to the heterogeneity of retinal disorders, achieving high classification accuracy remains challenging. While deep learning has improved the identification of various ophthalmic conditions, accurate and early diagnosis is still critical for effective clinical decision-making. Additionally, reducing computational complexity is essential for building scalable diagnostic systems. To address these challenges, we propose a novel Multi-level Throttled Attention (MLTA) model that first applies attention to extract important features, followed by throttling to filter out redundant or less useful features. This process is applied at multiple stages, operating on both Convolutional Neural Network layers and Transformer architectures, and then fuses them finally. This approach optimizes feature selection by preserving the most informative retinal features while discarding redundant ones from multi-level feature maps. As a result, the model enhances classification performance while reducing computational overhead. We evaluate our proposed model on two benchmark OCT datasets: OCT2017 and OCTID, achieving accuracy scores of 99.59 ± 0.04% and 99.71 ± 0.03%, respectively. Our method outperforms existing CNN-based and Vision Transformer-based models, demonstrating superior accuracy and efficiency through this hierarchical attention.
- MakaleAçık Erişim2026Scopus SJRQ2Fully automated 3D volumetric analysis of masticatory muscles in a pediatric population: A CT-based normative morphometric study
Kanber Uzun, Özlem; Ertemoğlu Öksüz, Canan; Kalkışım, Şahi Nur; Palancı, Özgür; Yıldırım, Yusuf İslam
The masticatory muscles play a fundamental role in craniofacial growth and development, yet normative volumetric data encompassing all four muscles across the full pediatric age range remain poorly characterized. The aim of this study was to establish age- and sex-specific normative reference values for the volumetric development of masticatory muscles in a normal pediatric population (0–17 years) using a fully automated 3D segmentation method. This retrospective, cross-sectional study included 258 normal pediatric individuals stratified into four age groups based on biomechanical milestones (0–5, 6–9, 10–13, and 14–17 years). Bilateral volumes of the masticatory muscles were automatically calculated using TotalSegmentator in the 3D Slicer environment. Two-way analysis of variance and Bonferroni post-hoc tests were applied. All muscles showed significant volume increases with age (p < 0.001), with the masseter demonstrating the greatest increase (199%). No sex differences were observed in 0–5 years; significant male-favoring differentiation began from 6 to 9 years. The temporalis muscle exhibited a biphasic sex differentiation pattern, with no significant difference at 10–13 years despite significance at 6–9 and 14–17 years. The highest sex-related effect sizes were observed in the pterygoid muscles (medial pterygoid ηp² = 0.176; lateral pterygoid ηp² = 0.160). Bilateral asymmetry analyses revealed left-sided favoring in the masseter, a lateralization trend in the temporalis (exploratory), right-sided favoring in the medial pterygoid, and sex-specific lateralization in the lateral pterygoid. These findings provide a large-scale CT-based normative reference for pediatric masticatory muscles, demonstrating muscle-specific volumetric patterns and variable sex differentiation, with normative ranges supporting clinical decision-making in dentistry, craniofacial surgery, and pediatric radiology.
- MakaleAçık Erişim2026Scopus SJRQ1Comparative Mechanical and Thermal Performance of Graphene- and Silver Nanoparticle-Reinforced PLA Fabricated by FDM 3D Printing
Karabudak, Filiz
The increasing demand for high-performance and multifunctional polymer materials has driven interest in improving the mechanical properties of polymer components produced through additive manufacturing. This study aims to systematically investigate and comparatively evaluate the effects of low-content nanofiller incorporation on the structural, thermal, and mechanical performance of PLA-based materials produced via fused deposition modeling (FDM), with a focus on identifying filler-dependent behavior under different loading conditions. In this study, polylactic acid (PLA) composites reinforced with 0.5 wt.% graphene (Gr) and 0.5 wt.% silver (Ag) nanoparticles, added separately, were produced using fused deposition modeling (FDM) and comparatively investigated. Each nanofiller was incorporated individually into PLA-based filaments, and standard test specimens were fabricated via 3D printing. Structural, thermal, and mechanical properties were evaluated using tensile, compressive, and three-point bending tests, along with SEM, EDS, XRD, FTIR, DSC, and TGA analyses. The results showed that pure PLA exhibited typical brittle behavior and a single-stage thermal degradation profile. The tensile strength of pure PLA was 41.93 MPa, and the flexural strength was 70.76 MPa. The addition of 0.5 wt.% graphene led to noticeable improvements, particularly in flexural properties, while only a minimal (almost negligible) increase was observed in tensile strength, with tensile strength increasing to 42.24 MPa (+0.74%) and flexural strength increasing to 110.78 MPa (+56.6%). In contrast, 0.5 wt.% Ag exhibited mixed and load-dependent mechanical behavior, with slight improvements in flexural strength but reductions in tensile and compressive properties, where tensile strength decreased to 22.13 MPa (−47.2%) while flexural strength increased to 112.06 MPa (+58.3%). Structural and thermal analyses indicated that both nanofillers did not significantly alter the PLA matrix chemically, while contributing to controlled changes in material properties primarily through physical interactions. The novelty of this work lies in the comparative evaluation of graphene and silver nanoparticle reinforcement at a fixed low loading level within FDM-processed PLA, combined with a comprehensive and correlated analysis of mechanical, structural, and thermal behavior on the same specimen sets, enabling a clearer understanding of filler-dependent performance mechanisms in additively manufactured nanocomposites. Overall, it was concluded that low-rate nanofiller additions, when properly dispersed, may lead to selective improvements in the performance of PLA-based composites depending on filler type and loading mode, and show potential for advanced engineering applications such as lightweight structural components, functional sensors, and additive-manufactured parts requiring tailored mechanical performance and multifunctionality.
- MakaleAçık Erişim2026Scopus SJRQ1Cortical thickness and volume alterations in patients with high myopia: a magnetic resonance imaging study
Aydin, Emre; Palanci, Ozgur
Background: The retina and optic nerve are integral components of the visual system and maintain direct anatomical and functional connections with the brain. Both structures are markedly affected in high myopia (HM). Accordingly, characterizing brain structural alterations associated with HM may provide important insights into its underlying neurobiological mechanisms. Using brain magnetic resonance imaging (MRI), this study aimed to evaluate regional gray matter (GM) and white matter (WM) volume changes, their relative percentages, and cortical thickness alterations in individuals with HM. Methods: High-resolution structural MRI, together with visual acuity (VA), intraocular pressure (IOP), refractive error, axial length (AL), and anterior chamber depth (ACD), was used to compare 30 adults with HM and 22 healthy controls (HC). Regional brain volumes and cortical thickness were analyzed in the fusiform gyrus (FuG), inferior temporal gyrus (ITG), middle temporal gyrus (MTG), superior temporal gyrus (STG), and occipital subregions including the calcarine cortex (Calc), cuneus (Cun), lingual gyrus (LiG), inferior occipital gyrus (IOG), middle occipital gyrus (MOG), and superior occipital gyrus (SOG). Results: Compared with HCs, HM patients demonstrated significant volumetric increases in the ITG and MTG regions (all p < 0.05), with the left ITG remaining significant after false discovery rate (FDR) correction. No significant volumetric differences were observed in the fusiform or occipital regions. In contrast, cortical thickness analyses revealed significant thinning in the fusiform gyrus and bilateral occipital subregions, including the calcarine cortex, cuneus, lingual gyrus, and middle occipital gyrus (p = 0.000–0.026, FDR-corrected). Cortical thickness in the fusiform and occipital regions showed negative correlations with AL and ACD and positive correlations with spherical equivalent. Conclusions: High myopia is associated with region-specific brain structural alterations, characterized by volumetric increases in temporal regions and cortical thinning in fusiform and occipital areas, indicating that HM-related neuroanatomical changes extend beyond the ocular system to involve central nervous system structures. Trial registration: Not applicable.
AtıfScopus1WoS1
İncele - MakaleYalnız künye2026Scopus SJRQ1Effects of thermosonication pretreatment on the physicochemical and sensory properties of grape juice obtained from Kösetevek grapes
Zemzemoğlu, Tuba Eda Arpa; Kırıt, Burcu Dündar; Darıcı, Merve; Ağçam, Erdal; Cabaroğlu, Turgut
Kösetevek grape is a significant indigenous black grape variety with colored pulp, grown in the Eastern Anatolia Region of Türkiye. Mash heating (MH) is commonly used in grape juice production. However, to better preserve phenolic, aroma, and nutritional components, Thermosonication (TS) process is utilized as an alternative technique. The aim of this study was to determine the effects of TS conditions on the physicochemical and sensory properties of grape juice obtained from Kösetevek grapes. Grape juice underwent TS at various temperatures and ultrasound energy density (UED) levels, followed by an optimization study using Response Surface Methodology (RSM). Grape juice samples were analyzed for total phenolic content (TP), total monomeric anthocyanins (TMA), antioxidant activity (FRAP and DPPH), polymeric color ratio (PCR), color difference (ΔE*), and extraction yield. The optimum TS conditions were determined as 801.99 J/g UED and 43.5 °C (desirability value = 0.595). Under optimal conditions, anthocyanin profiles were characterized by HPLC, aroma compounds were identified using GC–MS, and sensory properties were evaluated by descriptive analysis. TS resulted in a significant increase in TP and TMA content. The ΔE* value was lower, suggesting that the product's natural color was better preserved. TS enhanced the phenolic content and yield of the grape juice while also contributing to the preservation of color and sensory properties. TS juice contained the highest concentrations of aroma compounds, particularly C6 compounds and higher alcohols. This characteristic made TS more effective at preserving fresh aromas compared to MH, which generated cooked odors. Overall, TS has the potential to be applied as an alternative to or together with traditional thermal processes in industrial production.
AtıfScopus1WoS1OpenAlex1İncele - MakaleYalnız künye2026Scopus SJRQ1Predefined time adaptive controller design for attitude synchronisation of chaotic satellites with unknown effects
Bingöl, Özhan
This study proposes a practical predefined-time adaptive control framework for the synchronisation and anti-synchronisation of chaotic satellite attitude dynamics subject to unknown nonlinearities, parametric uncertainties, and bounded external disturbances. The proposed controller combines radial-basis-function (RBF) neural-network approximation of lumped unknown dynamics with adaptive estimation laws for both physically meaningful satellite parameters and neural-network weights. A Lyapunov-based stability analysis proves that all closed-loop signals remain bounded and that the synchronisation errors converge to an explicitly characterised residual neighbourhood of the origin within a predefined upper-bound time independent of initial conditions. The residual bound is expressed in terms of the neural approximation error, adaptive gains, and predefined-time design parameters, thereby providing practical tuning insight. Comparative numerical simulations demonstrate that the proposed approach achieves fast convergence, reduced actuator effort, and improved robustness under varying inertia, disturbances, and initial conditions. These results indicate the suitability of the proposed method for satellite formation and attitude-control tasks requiring predictable convergence times and resilience to modelling uncertainties.
- MakaleAçık Erişim2026Scopus SJRQ3Chemical Profiling and Biological Activities of Methanol Extracts and Essential Oils From Ferulago Platycarpa Boiss. & Balansa (Endemic): Enzyme Inhibition, Antioxidant, and Antimicrobial Properties
Aygül, İmdat; Öz, Mehmet; Fidan, Muhammed Said; Baltacı, Cemalettin; Akmeşe, Osman; Sefalı, Abdurrahman
This study aimed to evaluate the phytochemical composition and biological activities of Ferulago platycarpa methanol extract (ME) and essential oil (EO). The EO was obtained via hydrodistillation and analyzed by GC-MS, revealing sesquiterpene hydrocarbons as the dominant class, with caryophyllene (65.8%) and α-pinene (9.65%) as the major constituents. The methanol extract was subjected to LC-MS/MS analysis, which identified eleven phenolic compounds, with chlorogenic acid as the most abundant. The extract showed significantly higher total phenolic (1196.22±11.64 mg GAE/100g) and antioxidant (1870.00±17.69 mg QEE/100g) contents compared to the ME. In vitro enzyme inhibition assays demonstrated that the methanol extract exhibited potent inhibitory activity against carbonic anhydrase II (CA-II, ICSO= 0.023 pg/mL), acetylcholinesterase (AChE, ICSO= 110 pg/mL), and butyrylcholinesterase (BChE, IC50= 390 pg/mL). In contrast, the EO showed higher inhibition against α-amylase (IC50= 5920±10.45 pg/mL) and BChE (IC50= 1.32±0.65 pg/mL), while its α-glucosidase showed no inhibition. Antioxidant assays indicated superior activity for the methanol extract compared to the EO. Furthermore, antimicrobial testing revealed that the EO demonstrated broader and more effective antimicrobial action, exhibiting lower MIC and MBC values against several bacterial and fungal strains. Collectively, these results highlight F. platycarpa as a valuable source of bioactive compounds with promising applications in antidiabetic, neuroprotective, antioxidant, and antimicrobial therapies.
- MakaleAçık Erişim2026Scopus SJRQ2Experimental and Modeling Study of Fluidity in Ductile Iron (GGG40)
Coşar, Mehmet; Şüküroğlu, Ebru Emine; Güngör, Kadir; Çolak, Murat
Ductile irons (spheroidal graphite cast irons, SGI) are widely used in automotive and energy systems due to their high strength, ductility, and excellent machinability. The casting quality of these alloys largely depends on the flow and filling behavior of the molten metal, namely its fluidity. In this study, the effects of pouring temperature, filling time, and metallurgical quality on the fluidity of GGG40 ductile iron were investigated through both experimental and numerical approaches. Experimental trials were conducted at pouring temperatures of 1350 °C, 1400 °C, and 1450 °C; metallurgical quality levels of 10%, 50%, and 90%; and filling times of 5 s and 10 s. The fluidity lengths were measured and statistically evaluated. The results revealed that increasing the pouring temperature and metallurgical quality significantly improved fluidity, while shorter filling times allowed the molten metal to travel longer distances before solidification. Modeling studies performed using a commercial casting simulation software showed strong correlation with the experimental data. Microstructural examinations indicated that higher pouring temperatures and improved metallurgical quality led to a more homogeneous distribution of graphite nodules and an increased ferrite fraction in the matrix. The findings provide valuable insights into the influence of process parameters on the fluidity behavior of ductile iron and offer critical design data for enhancing casting quality and productivity in industrial foundry applications.
AtıfScopus1İncele - MakaleYayıncıda açık erişim2026Scopus SJRQ1Effects of different conditioning activities performed after soccer-specific warm-up on post-activation performance enhancement
Kartal, Alper; Ilhan, Muhammet Taha; Ergin, Esin; Pancar, Zarife; Karaca, Burak; Yildiz, Yasin; Gulsen, Doğukan Batur Alp; Bayrakdaroğlu, Serdar
The post-activation performance enhancement (PAPE) effect has been widely studied; however, studies conducted under real-world conditions remain limited. Furthermore, investigations into how different conditioning activities (CAs) influence PAPE responses are also scarce. Therefore, this study investigates the acute effects of high-intensity barbell hip thrust (BHT) and back squat (BS) exercises, performed after a soccer-specific warm-up (Wup), on physical performance in soccer players. Seventeen male amateur soccer players participated in the study (mean age: 22.29 ± 3.60 years; height: 1.78 ± 0.06 m; body weight: 73.18 ± 8.44 kg). Participants attended 5 experimental sessions. In the first session, after anthropometric assessments, participants were familiarized with the exercises and tests. In the second session, one-repetition maximum (1RM) was tested for BS and HT exercises. In the following three sessions, two PAPE protocols and one traditional (TRAD) protocol were performed in a randomized order. In the TRAD protocol, players performed physical performance tests including countermovement jump (CMJ), 10-m and 30-m sprint, and zigzag agility 16 minutes after a soccer-specific Wup. In the PAPE protocols, players performed CAs (e.g., hip thrust or back squat) at 85% of 1RM for 2 sets of 3 repetitions following a soccer-specific Wup, and completed the tests 8 minutes later. Results from the linear mixed-effects models revealed no significant effect of protocol on any performance variable, including CMJ (F(2,32) = 1.554, p = 0.227), 10 m sprint (F(2,32) = 0.242, p = 0.786), 30 m sprint (F(2,32) = 0.453, p = 0.640), and change of direction (COD) performance (F(2,32) = 0.946, p = 0.399). Marginal R² values indicated that the protocol explained only a minimal proportion of variance in performance outcomes (0.005–0.030), whereas conditional R² and ICC values suggested that between-participant differences accounted for a substantial proportion of variance, particularly for CMJ and 30 m sprint performance. Bonferroni-adjusted pairwise comparisons further showed no significant differences between PAPEBHT, PAPEBS, and TRAD protocols for CMJ, 10 m sprint, 30 m sprint, or COD performance (all p > 0.05). In conclusion, neither PAPE protocol performed after a soccer-specific warm-up significantly enhanced or impaired subsequent CMJ, sprint, or COD performance compared with the traditional warm-up. These findings suggest that adding PAPEBHT or PAPEBS protocols after a soccer-specific warm-up may maintain subsequent performance without inducing measurable decrements; however, their ergogenic effectiveness may depend on individual factors such as players’ strength levels, recovery capacity, training status, and physical characteristics.
AtıfScopus1WoS1OpenAlex1İncele - DüzeltmeYalnız künye2026Scopus SJRQ1Corrigendum to “3-D Magnetotelluric Modeling and Radiogenic Heat Reservoir for EGS Development: A Case Study of the Kestanbol Granitoid Intrusion (NW Türkiye)” [Geothermics, 140 (2026) 103728]
Büyük, Ersin; Hacıoğlu, Özlem; Ayzit, Tolga; Baba, Alper
The authors regret that the resistivity color legend range in Figures 5 and 8 and Supplementary Material 2 was incorrectly displayed in the published article. The published figures show the resistivity scale from1 10¹ to 10⁵ Ωm; however, the correct display range should be 10¹ to 10³ Ωm.Supplementary material associated with this article can be found, in the online version, at doi:10.1016/j.geothermics.2026.103806.Image, application 1 (figure presented) (figure presented)
- MakaleAçık Erişim2026Scopus SJRQ2Motion-Robust Optical Granulometry for Comminution Circuits: A Multi-Stream Temporal Deep Learning Framework
Hasozdemir, Kursat; Meral, Mert; Kahraman, Muhammet Mustafa
Accurate near-real-time granulometry is critical for optimizing energy efficiency in comminution circuits, yet standard optical monitoring systems fail under the harsh conditions of industrial mining. High conveyor velocities induce motion blur, while heavy dust loads occlude particle boundaries, leading to severe under-counting of fine fractions and an overestimation of product coarseness. This paper proposes a novel tracking framework to overcome these limitations. The method integrates a five-frame temporal rolling buffer with a multi-stream augmentation architecture that decouples motion and texture features. Experimental validation on the feed of a secondary conical crusher at an operational facility demonstrates that the proposed framework recovers significant particle data lost by baseline models, correcting the measured D80 and D50 values of the crushed material. This correction reveals a finer true load, enabling more precise closed-loop control of crusher settings and reducing unnecessary energy consumption.
- MakaleYalnız künye2026Scopus SJRQ1Stationarity or nonlinear nonstationarity? Assessing standard duration extreme rainfall under Türkiye’s complex topography and climate variability
Şahin, Nagehan; Şan, Murat; Kankal, Murat
The impact of climate change on extreme rainfall regimes requires a reassessment of the design processes of traditional hydrological structures. For this purpose, conducting an in-depth analysis of the nonstationary nature of extreme rainfall in regions with complex topography and climate is of great importance. This study examines the stationary and nonstationary states of standard duration (5 min–24 h) annual maximum rainfall data across Türkiye. For this purpose, the intensity-duration-frequency relationship was analyzed using data at 100 homogeneous stations during 1980–2020. The analyses were performed using the generalized extreme value (GEV) distribution with eight linear and non linear location and scale parameters, based on stationary and nonstationary models. Time was included as a covariate in nonstationary models. The corrected akaike information criterion and likelihood ratio test were used to select the appropriate GEV distribution. Findings indicate that stationarity is generally dominant, but nonstationarity is relatively higher in a nonlinear manner in cold climates and complex topography. The effect of location and scale parameters was found to be individual in the short duration and combined in the long duration. It was observed that nonstationarity was relatively higher in complex topography than in flatter regions up to 8 h. Still, the diversity of nonlinear models decreased over the long duration. In conclusion, this study emphasizes the need to consider nonstationary approaches in designing hydrological structures, especially in climate change.
AtıfOpenAlex1İncele - MakaleAçık Erişim2026Scopus SJRQ3Greenwashing in Wood Substitute Products: The Case of PVC Window Frames
Top, Yener
Wood is a renewable material, and advancements in machinery have made it possible to produce wood-based products in large quantities. This has led to environmental problems, which in turn have increased consumers’ environmental concern. This concern has caused consumers to prefer environmental-friendly products. Alongside green products and green marketing, greenwashing practices, which are not actually green but exploit consumer sensitivity, have also become widespread. These deceptive claims confuse consumers and provide an unfair competitive advantage against genuinely environmentally friendly products. Polyvinyl chloride (PVC) windows, which can be used as a substitute for wood windows, were chosen as a research focus, and the greenwashing practices of enterprises manufacturing PVC window were investigated. The research was conducted using deductive content analysis. The corporate websites of the enterprises were examined in terms of greenwashing. Artificial intelligence was used, but identified greenwashing types were checked by the researcher. The study found that PVC window manufacturers most frequently resorted to greenwashing involving no proof, vagueness, and hidden trade-off approaches. Greenwashing types were also examined by topics, revealing that “general environmental benefits” is the most common type.
- MakaleAçık Erişim2026Scopus SJRQ1Detrital zircon ages, Lu-Hf isotopes of zircon grains, Sr-Nd isotopes on whole rock and geochemistry of Campanian turbidites in the Eastern Pontides (NE Türkiye): A provenance assessment and Gondwana records
Eker, Çiğdem Saydam; Yücel, Cem; Kaygusuz, Abdullah; Aydınçakır, Emre; Jeong, Youn-Joong; Yılmazer, Sinan; Sünnetçi, Kadir
Detrital zircons are crucial stand-ins for the history of continental crust growth and disintegration, as well as the dispersal and assembly of supercontinents. Detrital zircons are effectively used to assess crustal history because sediments transport zircons from source rocks that are no longer at the surface. This study presents detailed Lu-Hf isotopic, U-Pb geochronological analyses of zircon, Sr-Nd isotopic analyses and whole-rock geochemical results from sandstone, volcanically derived sandstone and tuff samples of the Campanian-aged Bozbent Member in the Eastern Pontide Orogen belt of the Sakarya Zone. Sedimentological analyses show that the Bozbent Member was transported and deposited by turbidite currents, while petrographic and geochemical analyses show that the sandstones range from greywacke to litharenite. In this study, U-Pb ages of detrital zircon obtained from Campanian sandstones are presented, along with in situ εHf data. A magmatic origin is indicated by the majority of zircons' oscillatory zoning and by Th/U ratios ranging from 0.2 to 1.5. The ages of detrital zircons range from 2819 to 78 Ma, with most of these zircons being Proterozoic (552–994 Ma). Proterozoic zircons are detrital zircons associated with the Gondwana and the African Craton. The whole-rock geochemical data and Sr-Nd isotope compositions of the sandstones are consistent with local Carboniferous felsic plutons, Jurassic mafic and felsic plutons, Jurassic volcanic rocks, Jurassic clastic rocks and clastic material from Precambrian recycled sediments. It was calculated that more than 90% of the detrital zircons had crystallisation ages older than their depositional ages (CA-DA > 150 Ma, indicative of an extensional basin model). These findings indicate that the Campanian-aged Bozbent Member turbiditic sequence in the Eastern Pontides was deposited in an extensional fore-arc basin and therefore exhibits the petrographic and geochemical characteristics of passive margin sandstones.