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  1. 4181

    Competitive evaluation and multi-stage planning of park integrated energy systems by Yongtao Guo, Yue Xiang, Zhukui Tan, Hongcai Zhang, Ji Li, Zechun Hu, Fang Liu, Junyong Liu

    Published 2025-03-01
    “…Abstract Optimal planning for the park integrated energy system (PIES) is essential for energy efficiency improvement and carbon neutrality. A reasonable evaluation method is the key to guide PIES planning. …”
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    Article
  2. 4182

    Preventive-Corrective Control for Static Voltage Stability Under Multiple <tex>$N-1$</tex> Contingencies Considering Wind Power Uncertainty by Yuerong Yang, Shunjiang Lin, Qiong Wang, Mingbo Liu, Qifeng Li

    Published 2025-01-01
    “…In each iteration, the approximate expressions and range are determined by the generated data samples. Moreover, a fast approximation calculation method of second-order matrices is proposed. …”
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  3. 4183

    Blind Parameter Identification of MAR Model and Mutation Hybrid GWO-SCA Optimized SVM for Fault Diagnosis of Rotating Machinery by Wenlong Fu, Jiawen Tan, Xiaoyuan Zhang, Tie Chen, Kai Wang

    Published 2019-01-01
    “…Signals collected from different types of faults were firstly split into sets of intrinsic mode functions (IMFs) by variational mode decomposition (VMD), the decomposing mode number K of which was preset with central frequency observation method. Then the multivariate autoregressive (MAR) model of all IMFs was established, whose order was determined by Schwartz Bayes Criterion (SBC), and all parameters of the model were identified blindly through QR decomposition, where key features were subsequently extracted via principal component analysis (PCA) to construct feature vectors of different fault types. …”
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    Article
  4. 4184

    A novel approach for constructing plantation wood-based phase change energy storage composites exhibiting high dimensional stability and mechanical performance by Dengkang Guo, Sheng Yang, Wenting Ren, Gaiyun Li

    Published 2025-09-01
    “…Through comprehensive property evaluation, a PEG 800 solution concentration of 40 % was determined to be optimal in the first step, achieving a balanced phase-change enthalpy of 20.11 J/g, improved dimensional stability (water-soaking anti-swelling efficiency: 68.01 %), and enhanced mechanical performance. …”
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  5. 4185

    MAIZE AND WHEAT - TOP AGRICULTURAL PRODUCTS PRODUCED, EXPORTED AND IMPORTED BY ROMANIA by Agatha POPESCU

    Published 2018-01-01
    “…The paper analyzed wheat and maize production, export and import in Romania in the period 2007-2016 in order to point out the main trends and factors which sustain the position of the country in the international trade. Index method, comparison method, export/production ratio, export/import ratio, gross exchange index have been determined to characterize efficiency of external trade. …”
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  6. 4186

    Optimizing relay node selection in cooperative wireless body area networks with modified POA by A. Hena Rubavathy, S. Sundar

    Published 2024-12-01
    “…The proposed strategy integrates the Decode-and-Forward (DF) relay protocol to significantly enhance communication efficiency and reliability. The proposed method is assessed in comparison with other relay selection techniques through a Bit Error Rate (BER) analysis, evaluating the effectiveness of each approach across different Signal-to-Noise Ratio (SNR) scenarios. …”
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  7. 4187

    Research on the Magnetorheological Finishing Technology of a High-Steepness Optical Element Based on the Virtual-Axis and Spiral Scanning Path by Chihao Chen, Chaoliang Guan, Meng Liu, Yifan Dai, Hao Hu

    Published 2024-09-01
    “…For aspheric optical elements whose steepness exceeds the machining stroke of the equipment, there is still no better method to achieve high-precision and high-efficiency error convergence. …”
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    Article
  8. 4188

    New Approach in Fixed Resource Allocation and Target Setting Using Data Envelopment Analysis with Common Set of Weights by Marzieh Ghasemi, Mohammad Reza Mozaffari, Farhad Hosseinzadeh Lotfi, Mohsen Rostamy malkhalifeh, Mohammad Hasan Behzadi

    Published 2022-01-01
    “…To examine the proposed method, other methods in the DEA literature were examined as well, and then, the efficiency of the method was demonstrated through a numerical example.…”
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  9. 4189

    Development of a model of an electrical complex for gas air cooling devices of gas field №1 gazprom dobycha Yamburg LLC with a centralized power supply system in the MATLAB/SIMULIN... by L. R. Maskov, V. Y. Kornilov

    Published 2022-06-01
    “…To analyze the energy efficiency of MMD ETC ACHE. To perform the experimental research of the EMD EMD ETC ACHE model in the dynamic modes in order to determine the regularity of the influence of single (group) starts on the power supply source overload. …”
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  10. 4190

    Shaping the appearance of a long-range aircraft at the stage of developing a technical proposal by A. A. Gorbunov, A. D. Pripadchev

    Published 2020-10-01
    “…At the same time, the problem of choosing the composition of rational design parameters is solved, which is an actual problem of the preliminary design stage of a long-range aircraft. Methods. The developed method allows determining the vector of parameters that provides rational characteristics for a given efficiency criterion. …”
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  11. 4191

    Assessment of Uneven Wear of Freight Wagon Brake Pads by Sergii Panchenko, Juraj Gerlici, Alyona Lovska, Vasyl Ravlyuk

    Published 2025-06-01
    “…The stress state of brake pads was determined with consideration of the weight coefficients. …”
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  12. 4192

    In Vitro Micropropagation of Kale (<i>Brassica oleracea</i> var. <i>sabellica</i> L.) by Maike Beyeler, Dirk Carl Albach

    Published 2025-07-01
    “…The aim of this study is to develop optimised micropropagation protocols for three kale varieties. First, it was determined which seed surface disinfection method resulted in the highest germination rate and the lowest infection rate. …”
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  13. 4193

    Environmental Risk Mitigation via Deep Learning Modeling of Compressive Strength in Green Concrete Incorporating Incinerator Ash by Amin Amraee, Seyed Azim Hosseini, Farshid Farokhizadeh, Mohammad Hassan Haeri

    Published 2025-03-01
    “…Initial laboratory tests have determined the optimum mix design, weight variation, and compressive strength. …”
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  14. 4194

    Environmental friendly carrier material for nifedipine as hypertension drug by E. Budianto, S.H. Astuti

    Published 2020-10-01
    “…The drug release percentage was determined by dissolving microcapsules for 55 hours using a buffer at the potential of hydrogen 1.2 and pH 7.4 as dissolution media. …”
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  15. 4195

    Mechanochemical synthesis of core-shell MWCNTs@acrylic resin nanoparticles with toughening effect on PVC composites by Yuling Peng, Wei Wang, Jie Zhang, Jiang Li

    Published 2025-06-01
    “…The grafting efficiency of MMA was found to be 13.6 %, while the ACR coating efficiency was 22 %, as determined by TG. …”
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  16. 4196

    Ultraviolet-stimulated photocatalysis of crystal violet using (Gd(2-x)La(x)Zr(2-x)Sn(x)O7) pyrochlore nanoparticles by Mohamed Abdelbaky, Amr Mohamed Abdelghany, Ahmed Hamza Oraby, Mohamed M. Rashad

    Published 2025-06-01
    “…Moreover, to ensure the efficiency of the photocatalysis process, unknown concentrations were determined using the visible spectrophotometer. …”
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  17. 4197

    Experimental study and optimizing the effective parameters on the extraction of the anti-cancer substance naringin under ultrasound waves by Mojtaba Nosrati, Neda Gilani, Hadiseh Masoumi

    Published 2024-07-01
    “…Finally, the highest efficiency of naringin extraction was determined using 86.29% ethanol solvent at pH = 6.52, time 20 minutes, sample to solvent ratio 0.24, and extraction amount 123.27 mg/liter. …”
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  18. 4198
  19. 4199

    Development and Evaluation of a Multi-Robot Path Planning Graph Algorithm by Fatma A. S. Alwafi, Xu Xu, Reza Saatchi, Lyuba Alboul

    Published 2025-05-01
    “…The results illustrate the algorithm’s effectiveness, computational efficiency, and adaptability.…”
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  20. 4200

    Effect of Disk Friction Loss Reduction on Flow Phenomena in Low-specific Speed Centrifugal Pump: An Experimental and Numerical Approach by D. Satish, A. Doshi, M. Bade

    Published 2025-03-01
    “…Reducing the rear axial clearance (Cs,a,r) is profound method to lower the LDF and improve the efficiency of pump (η). …”
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