Suggested Topics within your search.
Suggested Topics within your search.
-
4521
Efficient Oxidation of Methylene Blue via Catalytic Activation of Peroxymonosulfate via an Engineered δ-FeOOH/Pili Nutshell Biochar Composite
Published 2025-03-01“…Notably, the composite maintained over 70% removal efficiency after four reuse cycles, indicating its potential for sustainable and cost-effective wastewater treatment. …”
Get full text
Article -
4522
Calculations of Performance Characteristics of Submerged Cargo Pumps with Hydraulic Drive and Constant Torque Controllers, Taking into Account the Energy Efficiency of the Drive Mo...
Published 2024-11-01“…This paper presents a methodology for calculating the performance characteristics of submerged cargo pumps, taking into account the energy efficiency of their hydraulic drive motors. Due to their number and power, the cargo pumps are powered from the ship’s hydraulic central loading system. …”
Get full text
Article -
4523
Decarbonization process and productivity convergence: a global analysis of carbon total factor productivity
Published 2025-08-01“…This model combines a directional distance function with the global Malmquist–Luenberger index to achieve precision in efficiency measurement and intertemporal comparability. …”
Get full text
Article -
4524
Comparison of Finger Flexor Strength and Muscle Quality Between Climbers and Non-Climbers: Influence of Sex and Grip Type
Published 2025-06-01“…Climbing demands exceptional isometric finger flexor strength and neuromuscular efficiency. This study aimed to compare maximum isometric strength and muscle quality (MQ) between climbers and non-climbers and examine the influence of sex and specific grip types. …”
Get full text
Article -
4525
Effect of Hydrogen Co-Firing with Natural Gas on Thermal Efficiency and CO<sub>2</sub> Emissions in Gas Turbine Power Plant
Published 2025-03-01“…The impact of different hydrogen volume fractions (5–30%) on thermal efficiency and CO<sub>2</sub> emissions is analyzed under varying operational loads (100%, 75%, and 50%). …”
Get full text
Article -
4526
Measuring the Efficiency and Productivity of Cement Companies in the Tehran Stock Exchange Using Data Envelopment Analysis and Malmquist Productivity Index in Gray Environment
Published 2021-02-01“…This index measures the ratio of the measured efficiencies of a production unit in two different periods.…”
Get full text
Article -
4527
Energy and Exergy Efficiency Analysis of an Ejector‐Expansion Refrigeration Cycle Using the Working Fluid R134a and Its Potential Substitutes
Published 2025-05-01“…The energy and exergy analysis methods are used to evaluate and compare the performance of two cycles and seven kinds of different refrigerants. Results show that the coefficient of performance (COP) and exergy efficiency of EERC are 17.1% and 16.4% higher than those of CBEC, and the total exergy loss can be reduced by 26.1% under given operating conditions. …”
Get full text
Article -
4528
Comprehensive analysis of arc methods of 3D printing of metal products: assessment of the efficiency and prospects of using TIG as a heat source
Published 2024-09-01“… In recent years, additive technologies have become increasingly important for the production of parts with complex geometries, enabling the rapid and efficient creation of objects with different shapes and configurations in industrial sectors such as medicine, aerospace and construction. …”
Get full text
Article -
4529
Dense-Fusion2Net a more efficient and lightweight short speech speaker recognition system with time-frequency channel attention
Published 2025-03-01“…We propose the Dense-Fusion2Net network architecture to more efficiently utilize the limited acoustic features in short speech segments. …”
Get full text
Article -
4530
Sustainable remediation of Cd-contaminated farmland through the rotation of rapeseed–rice varieties with different Cd accumulation potentials
Published 2025-01-01“…To investigate the remediation effects of different accumulation varieties in rapeseed−rice cropping systems and their influence on Cd migration and transportation, field experiments were conducted based on different planting combinations (FWHR, conventional rice variety (HR) monoculture under fallow; FWLR, low Cd-accumulating rice variety (LR) monoculture under fallow; LOLR, LO (low Cd-accumulating rapeseed variety)-LR rotation; LOHR, LO-HR rotation; HOLR, HO (high Cd-accumulating rapeseed variety)-LR rotation; HOHR, HO-HR rotation). …”
Get full text
Article -
4531
Chemical and Morphological Constitutive Defensive Traits of Cyanobacteria Have Different Effects on the Grazing of a Small Tropical Cladoceran
Published 2025-07-01“…Antipredator defenses of bloom-forming cyanobacteria species maximize their fitness but can reduce carbon and energy transfer efficiency to higher trophic levels, making them a key regulator of plankton communities in eutrophic waters. …”
Get full text
Article -
4532
Climate adaptive energy efficiency modeling using a generalized additive approach to optimize building performance across Chinese climate zones
Published 2025-06-01“…Abstract Accurate measurement and verification (M&V) of energy efficiency measures (EEM) in commercial buildings is a key requirement to improve energy performance and meet sustainability goals. …”
Get full text
Article -
4533
-
4534
Three-Dimensional Numerical Study on the Efficiency Droop in InGaN/GaN Light-Emitting Diodes
Published 2019-01-01“…To further understand the correlation of the efficiency droop with the PSF effect, we systematically investigate carrier transport in the SQW InGaN/GaN LEDs and how the different PSF effect coefficients affect the current–voltage curve and IQE. …”
Get full text
Article -
4535
A Comparative Analysis of Efficiency and Losses in a 5 kW Hybrid and Full-SiC Converter, for PV Applications in Austria
Published 2024-11-01“…They are being adopted for many different applications and for a wide range of power levels. …”
Get full text
Article -
4536
Evaluation of the life cycle sustainability of a wastewater treatment plant using the eco-efficiency index for optimizing the energy-economy-environment nexus
Published 2025-09-01“…The eco-efficiency (EE) index, combining life cycle assessment (LCA) and economic assessment, is used to assess the energy-economy-environment nexus. …”
Get full text
Article -
4537
Computational Fluid Dynamics Analysis of the Impacts of Air Supply Velocity Modes on the Differential Pressure Precooling Efficiency of Peaches Stored in Ventilated Packaging
Published 2025-04-01“…In this study, a numerical model for heat and mass transfer in the differential pressure precooling of peaches stored in layered packaging under different precooling conditions was constructed based on computational fluid dynamics. …”
Get full text
Article -
4538
Effect of access cavity design on canal instrumentation efficiency and fracture resistance in mandibular molars: A cone-beam computed tomography study
Published 2025-01-01“…Introduction: This study evaluated the impact of access cavity designs on canal instrumentation efficiency and fracture resistance in mandibular molars using cone-beam computed tomography (CBCT). …”
Get full text
Article -
4539
SE-COLLAB: Achieving Fine-Grained and Efficiently Verifiable Searchable Encryption With Boolean Multi-Keyword Search for Collaborative IIoT Data Sharing
Published 2025-01-01“…In Industrial Internet of Things (IIoT) environments, the secure and efficient retrieval of sensitive data from outsourced storage remains a critical challenge, especially under collaborative and multi-authority settings. …”
Get full text
Article -
4540
Interplay of heavy chain introns influences efficient transcript splicing and affects product quality of recombinant biotherapeutic antibodies from CHO cells
Published 2023-12-01“…Subsequently, a comprehensive evaluation was conducted to understand the influence of the different introns in the HC genes on the expression of recombinant biotherapeutic antibodies. …”
Get full text
Article