Optimizing grain refinement, mechanical properties, and oxidation resistance of Ni3Al intermetallic through Fe doping by Qian Li, Jia Wei, Yuqi Xie, Chuangchuang Wei, Weiwei Wang, Zhenfei Jiang, Junkai Liu

Get full text

Synergistic optimization of mechanical strength and vegetative growth in ecological slope restoration materials through mix ratio design by Han-Dong Liu, Liujun Fan, Jiaming Luo, Zhikai Chang

“…Using orthogonal and secondary optimization tests, we systematically resolved the conflicting effects of cement, CER, microsilica powder, rice husk, and farmyard manure on vegetative characteristics (germination rate, plant height) and physicochemical properties (compressive strength, pH, porosity). …”
Get full text

Strategic slot-pole optimization in electromagnetic coupling with random forest regressor model inspired by response surface methodology by Garbe Chukulu Jarso, Ramesh Babu Nallamothu, Rajendiran Gopal, Gang Gyoo Jin

“…This research introduces a novel approach for optimizing electromagnetic torque conversion in automotive powertrains by systematically evaluating pole-slot combinations and winding layouts. …”
Get full text

Intelligent Energy-Efficient Train Trajectory Optimization Approach Based on Supervised Reinforcement Learning for Urban Rail Transits by Guannan Li, Siu Wing Or, Ka Wing Chan

“…First, multiple objectives are formulated based on real-time train operation and systematically integrated into the RL algorithm by a binary function-based goal-directed reward design method. …”
Get full text

Optimization of residual coalbed methane extraction wells and analysis of development and emission reduction benefits in the Songzao mining area by Yaxin Xiu, Qinjie Liu, Qiang Fu, Ke Yang, Miao Zhang, Benniu Wu

Get full text

Street View-Enabled Explainable Machine Learning for Spatial Optimization of Non-Motorized Transportation-Oriented Urban Design by Yichen Ruan, Xiaoyi Zhang, Shaohua Wang, Xiuxiu Chen, Qiuxiao Chen

“…To advance evidence-based urban design prioritizing non-motorized mobility, this study proposes a street view-enabled explainable machine learning framework that systematically links built environment semantics to non-motorized transportation vitality optimization. …”
Get full text

Two-Stage Robust Optimization Model for Flexible Response of Micro-Energy Grid Clusters to Host Utility Grid by Hongkai Zhang, Outing Zhang, Peng Li, Xianyu Yue, Zhongfu Tan

“…While individual MEGs demonstrate limited capability in responding to upper-grid demands using surplus energy after fulfilling local supply/demand balance, coordinated cluster operation significantly enhances system-wide flexibility. This paper proposes a two-stage robust optimization model that systematically addresses both the synergistic complementarity of multi-MEG systems and renewable energy uncertainty. …”
Get full text

Improving mechanical properties of maraging steel by optimizing laser power in hybrid laser-arc directed energy deposition by Jikang Fan, Pengfei Gao, Baihao Cai, Gaige Chang, Mengwei Duan, Wei Zhang, Xiaoyong Zhang, Yong Peng, Kehong Wang

“…Owing to its exceptional mechanical properties, Co-free maraging steel is extensively used in the aeronautic, shipbuilding, and military fields. Introducing a laser as a preheating source in the Arc-based Directed Energy Deposition (DED-Arc) for the self-developed, low-cost, Co-free maraging steel welding wire, utilizing the synergistic effect between the laser and the arc, to explore its potential in optimizing material properties. …”
Get full text

Optimization of combined subcritical water and CO2 extraction for enhanced phenolics and antioxidant activity from coffee byproducts by Varunnarin karprakhon, Rinlada Sirisangsawang, Kanidta Kaewkroek, Thammasak Rojviroon, Natacha Phetyim, Somboon Sukpancharoen

“…Using Design Expert V.13 and Central Composite Design (CCD), key parameters including extraction time (30–60 min), temperature (180–220 °C), and solid-to-water ratio (0.024–0.027 g/mL) were systematically analyzed. The optimal conditions for SCG were determined to be 198 °C, 0.027 g/mL solid-to-water ratio, and 60 min, yielding a TPC of 217.26 mg GAE/g DW and a DPPH value of 23.28 µMol TE/g DW. …”
Get full text

Excellent energy-storage performance realized in SANNS-based tungsten bronze ceramics via synergistic optimization strategy by Shudong Xu, Mingzhe Han, Zhipeng Zhu, Yuzhen Zhao, Wenqi Song, Xue Dong, Zemin He, Zongcheng Miao, Lingling Wei, Zupei Yang

Get full text

Design and optimization of BNi-2+CoCrNi composite interlayer for GH5188 superalloy TLP bonding by Wei Guo, Jingru Xin, Long Gao, Xinlei Ding, Peilong Fan, Xinrong Li, Bosong Tao, Jiangtao Xiong, Jinglong Li

Get full text

Optimization of the synthesis conditions of zeolite adsorbents derived from coal fly ash and study on their adsorption performance on benzene by Zhuo CHEN, Zhiming ZHANG, Lianzheng GUI, Ke SUN, Huabo DUAN, Jingping HU, Sha LIANG, Jiakuan YANG

“…Under the optimized conditions of a Si/Al molar ratio of the precursor set at 1.5, a reaction time of 16 h, a reaction temperature of 70 ℃, and a liquid/solid ratio of 8 mL/g in hydrothermal reaction, the relative mass fraction of type X zeolite in the synthesized product was 96.3%, the specific surface area was 489.9 m2/g, and the pore volume was 0.28 cm3/g. …”
Get full text

Green synthesis of ultrafine zinc oxide nanoparticles for photocatalytic degradation of methylene blue dye: Optimization and kinetic studies by Muthusamy Kandasamy, Santhanakrishnan Suresh, Perumal Rameshkumar, Rajendran Jayasree, Panneerselvam Sathishkumar, Prem Gunnasegaran, Niraj S Topare, Sekar Thambidurai, Jemini Arumugam, Rajendran Jothilakshmi, Nalandhiran Pugazhenthiran

Get full text

Design Optimization of Feedforward Equalization for Mobile Fronthaul Based on Delta-Sigma Modulation With High-Order QAM Signals by Jianghao Li, Yangsheng Yuan, Yangjian Cai

“…The performance of both 1-bit and 2-bit quantization systems employing the proposed FFE scheme with different tap lengths and step sizes has been systematically investigated. Our results show that, under the minimum computational complexity, the maximum transmission capacity can reach 8.98 Gbps when using the FFE scheme with 11 taps and step size of 3 × 10^-5 or 3.5 × 10^-5 and the average error vector magnitude (EVM) can be minimized to a level less than 0.032 with 19 taps and step size of 4 × 10^-5 or 4.5 × 10^-5 for 1-bit quantization system while for 2-bit quantization system, the maximum transmission capacity of 11.4 Gbps can be obtained when employing the FFE scheme with 19 taps and step size of 3.5 × 10^-5 and the minimal average EVM less than 0.01 can be achieved with 19 taps and step size of 4 × 10^-5. …”
Get full text

Multiclass Fault Diagnosis in Power Transformers Using Dissolved Gas Analysis and Grid Search-Optimized Machine Learning by Andrew Adewunmi Adekunle, Issouf Fofana, Patrick Picher, Esperanza Mariela Rodriguez-Celis, Oscar Henry Arroyo-Fernandez, Hugo Simard, Marc-André Lavoie

“…Access to over 80 years of operational data provides a rare and invaluable perspective on the long-term performance and degradation of power equipment. …”
Get full text

Optimal mix ratio and numerical simulation study of concrete modified by nano-silica synergistically reinforced with basalt fibers by Changxing Zhu, Duo Li, Shengran Zhang, Huazhe Jiao, Jiaqi Guo, Xinming Chen

“…An orthogonal experimental design was employed to systematically investigate the effects of BF length, BF content, and NS content on the strength and toughness of concrete, in order to determine the optimal mix proportion. …”
Get full text

Study on the mechanism of direct wet mineralization of fly ash for CO2 storage and optimization of key influencing factors by Shengtao WANG, Jiaxu TANG, Ning YANG, Qingxiang WANG, Shilin WANG, Xuqiang CAO, Xinquan ZHANG, Xiaolin SONG, Chicheng MA

“…Additives including Na2CO3, NaCl, NaOH, and NaHCO3 (at a concentration of 0.5 mol/L) were introduced, and a single-factor experiment was conducted to screen for the optimal formulation. …”
Get full text

Reinventing Effective Grounding Systems via Optimal Soil Composition, Thickness, and Replacement Parameters Under Fault Conditions by Ahmed El-Tayeb Khalil, Adel Zein El Dein, Mahmoud Ramadan Hefny, Matti Lehtonen, Mohamed M. F. Darwish

“…This gap necessitated the proposed research, which systematically investigates soil replacement strategies as a practical and scalable solution to enhance grounding system efficiency under realistic conditions. …”
Get full text

IMPROVEMENT OF RADIATION SAFETY STANDARDS. PART 1. APPROPRIATENNES OF THE LIMITAION OF THE MEDICAL EXPOSURE OF HEALTHY INDIVIDUALS by A. V. Vodovatov

“…The study included the analysis of the existing Russian legislative documents regulating the medical exposure related to the employment-related, legal and screening purposes; evaluation of the imaging modalities commonly used for these purposes and conservative estimation of the effective doses per employment-related medical examination or a periodic health assessment. The results of the study indicate that a limit of 1 mSv per year is systematically exceeded for the healthy individuals undergoing X-ray examinations related to the employment-related, legal or screening purposes. …”
Get full text

Evaluation and Projection of Precipitation and Precipitation Extremes in the Source Region of the Yangtze and Yellow Rivers Based on CMIP6 Model Optimization and Statistical Downsc... by Rouke Li, Jia Wu, Ying Xu

“…ABSTRACT This study evaluated the performance of a high‐resolution statistical downscaling (HSD) approach integrating optimal global climate models (GCMs) and quantile delta mapping (QDM) for the source region of the Yangtze and Yellow rivers, and then projected regional precipitation extremes. …”
Get full text