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  1. Artikel Jurnal

    Mimetic birdsong affects automated bioacoustic species classification: A case study using the Northern Mockingbird, a ubiquitous North American mimic

    Carmen S. Reisdorf; Andrew C. Kasner; Justin P. Wied dkk.

    Avian Research, Vol. 18 No. 1 · 2027 · Inggris · DOAJ Scopus

    While automated bioacoustic species classifiers play a growing role in avian population monitoring, they can produce false positive misclassifications by conflating acoustically similar sounds, including mimetic birdsong. We quantify the impact of the mimetic song of Northern Mockingbirds (Mimus…

  2. Artikel Jurnal

    Grassland birds in Asia: A review of their ecology, threats, and conservation

    Zheng Han; Shuqin Dong; Johannes Kamp dkk.

    Avian Research, Vol. 18 No. 1 · 2027 · Inggris · DOAJ Scopus

    Asian grasslands, including the vast Palearctic steppes and alpine meadows of the Qinghai-Tibetan Plateau (QTP), form a vital part of the global temperate grassland biome. These open landscapes support unique bird communities, with many species specially adapted to harsh conditions. However…

  3. Artikel Jurnal

    Knowledge-Enhanced Semantic Reasoning Model for Implicit Sentiment Recognition

    Yuhui Sun; Feng Tian

    Journal of Engineering, Project, and Production Management, Vol. 17 No. 2 · 2027 · Inggris · DOAJ Scopus

    Existing methods for implicit sentiment identification in think tank documents face limitations in deep semantic understanding, including insufficient integration of domain knowledge and difficulty in modeling sentiment evolution in long texts. This study proposes an implicit sentiment recognition…

  4. Artikel Jurnal

    Cluster Analysis of College Students' Physical Education Behavior Based on a Hybrid Algorithm of K-means and DBSCAN

    Hailong Zhang

    Journal of Engineering, Project, and Production Management, Vol. 17 No. 1 · 2027 · Inggris · DOAJ Scopus

    Insight into students' athletic behavior patterns is critical to efficient resource deployment and enhanced engagement within higher education. This study develops a clustering method for university student sports behavior based on a hybrid algorithm of K-means and Density-Based Spatial Clustering…

  5. Artikel Jurnal

    Identification of integration site library for the development of plasmid-free microbial cell factory in Bacillus subtilis

    Zhen Zong; Yongting Luo; Wan-Qing Yuan dkk.

    Synthetic and Systems Biotechnology, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    Bacillus subtilis was widely used for enzyme production and was gradually engineered to biosynthesize value-added chemicals with the development of genetic parts for it. Compared to other genetic parts for expression, the identified integration sites were fewer, which limits the development of B…

  6. Artikel Jurnal

    Metabolic state-driven monitoring and control of abnormal pigment formation in sodium gluconate fermentation by Aspergillus niger

    Jingchun Sun; Yuanyuan Jiang; Xing Jiang dkk.

    Synthetic and Systems Biotechnology, Vol. 16 · 2027 · Inggris · DOAJ Scopus

    Abnormal pigment formation during late-stage fungal fermentation poses a significant challenge to industrial product quality. This study established an integrated framework to understand and control pigmentation in Aspergillus niger sodium gluconate fermentation. First, a metabolism-oriented…

  7. Artikel Jurnal

    Thermo-electrical performance modeling and experimental validation of a water-cooled single-axis tracking photovoltaic–thermal system

    Kehinde Temitope Alao; Kamaruzzaman Sopian; Syed Ihtsham Ul Haq Gilani dkk.

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    Fixed photovoltaic systems suffer from reduced irradiance capture and temperature-induced efficiency losses. This study presents the design, experimental evaluation, and numerical modeling of a water-cooled single-axis tracking photovoltaic–thermal system under tropical climate conditions. The…

  8. Artikel Jurnal

    Optimization and comparative assessment of battery and pumped hydro storage in hybrid PV/wind systems for coastal off-grid electrification in Egypt

    Ahmed A. Elkader; Adel Elsabbagh; Amr Y. Elbanhawy

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    The growing need for sustainable electrification of remote off-grid communities has increased interest in hybrid renewable energy systems that integrate multiple generation sources with energy storage technologies. This study conducts a comparative techno-economic and environmental evaluation of…

  9. Artikel Jurnal

    Model-based foam-assisted water alternating gas (FAWAG) study for Brazilian pre-salt carbonate reservoirs

    Salomon Dominique Edimo Kingue; Guilherme Daniel Avansi; Rashid Sher Muhammad dkk.

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    In Brazilian pre-salt fields, gas injection is used both as an enhanced oil recovery technique and as an alternative to mitigate environmental impacts associated with high carbon dioxide content. However, its effectiveness can be limited by viscous fingering and channeling, especially in reservoirs…

  10. Artikel Jurnal

    Nanoparticle-assisted enzymatic pretreatment enhances biomethane recovery and techno-economic viability of rice straw co-digestion

    Mohamed Farghali; Israa M.A. Mohamed; Yuhendra AP dkk.

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    Rice straw (RS) residues pose a significant waste management challenge due to the predominance of open-field burning. Anaerobic digestion (AD) offers a valorization pathway, yet RS's recalcitrant lignocellulosic structure severely limits methane yield and process economics. This study evaluated an…

  11. Artikel Jurnal

    A comprehensive review and mathematical modelling of corrugated-absorber solar stills: Configurations, performance, and cost-effectiveness

    Farhan Lafta Rashid; Karrar A. Hammoodi; Mushtaq K. Abdalrahem dkk.

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    Traditional solar stills have low evaporation rates and low thermal efficiency which limits their practical applicability in decentralized production of freshwater. Corrugated absorber designs have become a promising passive approach to improve heat transfer through the augmentation of the…

  12. Artikel Jurnal

    A comprehensive study of radiant cooling systems for energy efficiency, thermal comfort, and control systems in tropical climates

    Mohammad Hadi Ghasemi; Kushsairy Kadir; Mohammad Mehdi Salehi Dezfouli dkk.

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    Conventional all-air cooling systems struggle with high latent loads and increased energy demand in tropical buildings, where humidity and solar radiation intensify the design challenge. This study systematically reviews radiant cooling system (RCS) research in tropical and hot, humid climates…

  13. Artikel Jurnal

    Robust Quasi-integral sliding mode control combined with an advanced neural network algorithm for PMSG-based wind energy conversion systems in noisy environment

    Ibrahim El Idrissi; Habiba Rizki; Fatima Ez-Zahra Lamzouri dkk.

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    With the global increase of wind energy integration into modern electrical power systems worldwide, Wind Energy Conversion Systems (WECS) are nowadays increasingly expected to contribute actively to grid operations through advanced control strategies powered by novel algorithms of artificial…

  14. Artikel Jurnal

    A high-performance organoclay for enhancing rheology, stability, and filtration control in HPHT oil-based drilling fluids

    Ali Mahmoud; Rahul Gajbhiye; Salaheldin Elkatatny

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    Oil-based drilling fluids (OBDFs) are widely used in high-pressure and high-temperature (HPHT) drilling operations; however, maintaining stable rheology, suspension capacity, emulsion integrity, and filtration control under extreme conditions remains challenging. Although several studies have…

  15. Artikel Jurnal

    System-level assessment of residential rooftop solar PV for urban decarbonisation in Azerbaijan

    Orkhan Jafarli

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    Residential rooftop solar photovoltaic systems play an important role in urban energy transitions by enabling decentralized electricity generation and supporting climate mitigation objectives. However, their real contribution depends on spatial constraints and building characteristics, requiring…

  16. Artikel Jurnal

    An optimized CNN-RNN framework based on GA algorithm for energy production prediction

    Alaa A. Almelibari

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    Accurate energy production prediction is a critical challenge in modern renewable energy systems due to the inherent variability and complexity of influencing factors. This study proposes an optimized hybrid deep learning framework that integrates Convolutional Neural Networks (CNN) and Recurrent…

  17. Artikel Jurnal

    Preparation and microscale sealing mechanism of HHN epoxy rigid plugging material for high-temperature/high-pressure fracture-loss control

    Yujun Wu; Qian Zhou; Gang Xie

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    During the drilling of deep and ultra-deep oil and gas wells, fracture leakage under high temperature and high pressure conditions often involves large flow channels and low sealing reliability. Conventional mineral bridging materials usually have high density, tend to settle easily, and lack…

  18. Artikel Jurnal

    Design and performance assessment of a grid-connected rooftop solar photovoltaic system integrated with battery energy storage for electric vehicle charging across varied climatic conditions to enhance energy transition

    Masoyi Garba Sanda; Mustapha Abdullahi; Bappah Adamu Umar dkk.

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    This paper investigates the concept of integrating solar photovoltaic energy generation and electric car chargers to existing petrol filling stations across all states in Nigeria. A generic petrol filling station design was used to assess the economic viability of the project in the capital of all…

  19. Artikel Jurnal

    Cumulative effect of environmental policy stringency on energy transition: A disaggregated analysis

    Lilia Mahjoub; Maamar Sebri

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    This study aims to assess the cumulative effect of environmental policy stringency on the EU's energy transition up to ten years, controlling for geopolitical risk and a set of climatic and socioeconomic factors. The empirical analysis is based on a sample of 12 EU member countries and the UK over…

  20. Artikel Jurnal

    Enhanced Hunter–Prey optimization for dynamic DSTATCOM-based reactive power management in EV–PV–ESS integrated distribution networks

    Soundarya Lahari Pappu; Varaprasad Janamala

    Unconventional Resources, Vol. 15 · 2027 · Inggris · DOAJ Scopus

    Reactive Power Management is a well-implemented measure to mitigate power system imbalances caused by high penetrations of Electric Vehicles (EVs) and Photovoltaic (PV) systems. This article highlights the optimal Distribution Static Compensator (DSTATCOM) capability in alleviating the active power…

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