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Improvement of Steam Injection Efficiency in Horizontal Well with the Semi-Analytical Model: A Case Study of Liaohe Oilfield Steam Injection Well
Published 2022-01-01“…The flow pattern is determined by the modified Beggs-Brill method and different conservation equations are incorporated to calculate the steam pressure, steam temperature and steam quality. …”
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EFFICIENCY OF TRADITIONAL SHOU SUGI BAN WOOD PROTECTION TECHNIQUE IN ASSOCIATION WITH VEGETABLE OILS AGAINST ROTTING FUNGI ACTION ON PINUS WOOD
Published 2025-08-01“…There was resistance aggregation against the action of fungi T. versicolor and R. placenta in wood treated under all assessed conditions, although at different efficiency levels. Increased inhibition of xylophagous fungi action on charred Pinus sp. wood was observed when both linseed oil and CTO were incorporated to it. …”
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COMPARATIVE EVALUATION OF EFFICIENCY AND SAFETY OF THE PROLONGED EPIDURAL AND CONDUCTION ANALGESIA AFTER ENDOPROSTHESIS REPLACEMENT OF LARGE JOINTS OF LOWER LIMBS IN CANCER PATIENT...
Published 2017-12-01“…Conclusion: given the similar efficiency of pain relief the conduction analgesia compared to epidural one has been followed by the less number of the side effects.…”
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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. …”
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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. …”
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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%). …”
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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.…”
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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. …”
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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. …”
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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. …”
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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. …”
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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. …”
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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. …”
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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. …”
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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. …”
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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). …”
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