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  1. 2581
  2. 2582

    A Meta-Frontier Approach to Evaluating the Environmental Efficiency of Coastal Ports: Implications for Port Sustainability by Gaofeng Gu, Jiewei Zhang, Xiaofeng Pan

    Published 2025-06-01
    “…Although the SBM-Undesirable model has been extensively applied to assess port environmental efficiency (PEE), most applications assume strong disposability and disregard heterogeneity in technological capacities across different port scales, potentially biasing the assessments. …”
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  3. 2583

    Energy and Spectrum Efficient Transmission Techniques Under QoS Constraints Toward Green Heterogeneous Networks by Haris Pervaiz, Leila Musavian, Qiang Ni, Zhiguo Ding

    Published 2015-01-01
    “…This paper proposes a joint energy efficiency (EE) and spectrum efficiency (SE) tradeoff analysis as a multi-objective optimization problem (MOP) in the uplink of multi-user multi-carrier two-tier orthogonal frequency division multiplexing access heterogeneous networks subject to users’ maximum transmission power and minimum rate constraints. …”
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  4. 2584
  5. 2585

    Optimization of ignition delay and combustion efficiency in diesel-biodiesel-ethanol blends for compression ignition engine by Manikandan Ezhumalai, Mohan Govindasamy

    Published 2025-04-01
    “…Using a four-cylinder engine, various fuel blends with ethanol contents ranging from 5 % to 20 % and biodiesel derived from soybean oil were tested across different operating conditions. Parameters such as thermal efficiency, specific fuel consumption, ignition delay, and emissions (CO, NOx, and particulate matter) were analyzed. …”
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  6. 2586
  7. 2587

    Efficient Production of Fuel Ethanol via the Simultaneous Use of Distillery Stillage Biomass and Beet Molasses by Katarzyna Osmolak, Dawid Mikulski, Grzegorz Kłosowski

    Published 2025-01-01
    “…The integrated production of ethanol fuel through the simultaneous use of various by-products and waste materials is an intriguing concept, as it maximizes the raw material potential while addressing the challenge of managing waste biomass from different technological processes. The efficient utilization of lignocellulosic waste depends on employing a pretreatment method that enhances the susceptibility of structural polysaccharides to hydrolysis. …”
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  8. 2588

    Property Analysis of β-Tetragonal Bismite Thin Films: Varied Concentrations and Enhanced Photocatalytic Efficiency by Hella Houda, Guettaf Temam Elhachmi, Hachemi Ben Temam, Saâd RAHMANE, Mohammed Althamthami

    Published 2024-12-01
    “…Our research focuses on how different precursor concentrations, ranging from 0.1 M to 0.4 M, affect the photocatalytic performance of these films. …”
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  9. 2589

    Energy Efficiency of Heat Pumps Heating Systems at Subsoil Waters for South-East Regions of Europe by Denysova A.E., Klymchuk O.A., Ivanova L.V., Zhaivoron O.S.

    Published 2020-12-01
    “…To achieve the aim a comparative analysis of efficiency of different schemes of heat pump heating systems was performed for the consumers of the South-East of Europe. …”
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  10. 2590

    Investigating Factors Impacting Power Generation Efficiency in Photovoltaic Double-Skin Facade Curtain Walls by Xiaoxuan Zhou, Xue Zhou, Xiangyuan Zhu, Jiying Liu, Shiyu Zhou

    Published 2024-08-01
    “…By developing a theoretical model of the ventilated photovoltaic curtain wall system and conducting numerical simulations, this study analyzes the variation patterns of the power generation efficiency of photovoltaic glass for different inclination angles, seasons, thermal ventilation spacing, and glass transmittance in the photovoltaic double-skin curtain wall system. …”
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  11. 2591

    Evaluation of variability in cell-free DNA extraction efficiency from plasma and urine and spike-in normalization by Fanny Sandberg, Nicholas Kueng, Carlo Rodolfo Largiadèr, Ursula Amstutz

    Published 2025-07-01
    “…However, cfDNA extraction is not standardised, leading to a variety of different methods being used with varying efficiencies and size-specificities. …”
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  12. 2592

    Implementing a sustainable and efficient packaging system for e-commerce: An empirical perspective in the household sector by Jesús García-Arca, Alicia Trinidad González-Portela Garrido, Jacobo Escurís-Ouviña, J. Carlos Prado-Prado

    Published 2025-05-01
    “…Therefore, retailers should consider different strategies for reducing the sustainable impact of their activities. …”
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  13. 2593
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  15. 2595

    ECONOMIC EFFICIENCY CALCULATION PROCEDURE FOR THE AUTOMATIC WATER-LEVEL REGULATING INVARIANT SYSTEM IN THE BOILER SHELL by A. N. Kuchorenko

    Published 2015-12-01
    “…The first variant of the automatic regulation invariant system with the equivalent external disturbance individualization differs from the typical one in the way that they select the stabilizing controller arrangement on the basis of transmission response of the optimal controller. …”
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  16. 2596

    Efficient Micropropagation of Bistorta amplexicaulis (D.Don) Greene: An Important Medicinal Plant of Western Himalaya by Mudasir Fayaz, Seema Singh, Irshad Ahmad Bhat, Musadiq Hussain Bhat, Firdous Ahmad Khanday, Alamgir Ahmad Dar

    Published 2025-01-01
    “…The growing therapeutic use of B. amplexicaulis has led to its population depletion thus requiring its conservation. Herein, an efficient, reproducible and reliable propagation protocol system was established for B. amplexicaulis using nodal segments as explant. …”
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  17. 2597
  18. 2598

    MANAGEMENT AND EVALUATION OF EFFICIENCY OF USING THE PRODUCTION POTENTIAL OF A CONSTRUCTION ORGANISATION IN AN UNSTABLE ECONOMIC ENVIRONMENT by R. T. Ismailov, A. G. Magomedov

    Published 2017-12-01
    “…Objectives To solve one of the complex and relevant problems of the modern economic science by optimising the management of  development and evaluation of the efficiency of production processes in construction organisations. …”
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  19. 2599

    Quantitative design and production methods for sustainably increasing maize grain yield and resource use efficiency by Huaxiang JI, Guangzhou LIU, Wanmao LIU, Yunshan YANG, Xiaoxia GUO, Guoqiang ZHANG, Zhiqiang TAO, Shaokun LI, Peng HOU

    Published 2025-09-01
    “…Maize is the most productive and most widely planted food crop in China and has the highest yield potential among different crops. Increasing the yield of maize per unit area has become one of the key goals in agriculture in China. …”
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