-
581
Efficient Copolymerization of CO<sub>2</sub> and Propylene Oxide via ZnGA/Zn-Co DMC Composite Catalysts: Synergistic Catalysis for High-Performance Polypropylene Carbonate
Published 2025-04-01“…The thermal stability of the PPC product was obviously improved by the optimization of the reaction conditions. The catalytic effect of the composite catalyst was superior to that of individual ZnGA and Zn-Co DMC, overcoming the shortcomings of those two catalysts. …”
Get full text
Article -
582
-
583
Particle Swarm Optimization Algorithm for Determining Global Optima of Investment Portfolio Weight Using Mean-Value-at-Risk Model in Banking Sector Stocks
Published 2024-12-01“…Further evaluation of the PSO algorithm’s performance shows high consistency in generating optimal portfolios with appropriate parameter selection. …”
Get full text
Article -
584
Nonlinear response and threshold regulation of agroforestry ecosystem quality to morphological characteristics in karst desertification habitats
Published 2025-06-01“…To elucidate the driving mechanisms underlying AFS quality enhancement in KD regions, three representative KD habitats, namely, none-potential (N-P), potential-slight (P-S) and medium-intensity (M−I) habitats, were selected as samples in this study. In accordance with the theory of spatial morphology, this study proposes an external pattern optimization method based on morphological features, reveals the spatial response of the quality of AFSs to their morphological features, and elucidates the key morphological factors and optimal regulatory thresholds. …”
Get full text
Article -
585
-
586
Optimization of cultivation conditions for biosurfactant production by Bacillus mojavensis P1709, Pseudomonas putida PP021, and Pseudomonas fluorescens PCS-20 strains
Published 2025-01-01“…Further cultivation of the selected strains on optimal media for 72 hours revealed that minimum ST values were reached by 36 hours for B. mojavensis P1709 (23.96 mN m-1) and P. fluorescens PCS-20 (24.4 mN m-1), and by 72 hours (27.5 mN m-1) for P. putida PP021. …”
Get full text
Article -
587
Accelerated discovery and testing of Fe–Co–Cr–Ni–Mo ferrous medium-entropy alloys: advanced in-situ alloying via direct energy deposition
Published 2025-07-01“…The #4 (Fe53.9Co16.8Cr11.7Ni11.5Mo6.0) and #7 (Fe52.9Co16.1Cr12.8Ni12.5Mo5.6) samples exhibited the highest hardness levels while maintaining an FCC single-phase structure. These selected compositions were fabricated in bulk samples, and tensile testing of bulk samples revealed that Fe53.9Co16.8Cr11.7Ni11.5Mo6.0 demonstrated superior tensile properties with improved strain hardening behavior, identifying it as optimized composition. …”
Get full text
Article -
588
Effects of strain rate and temperature on the interface deformation mechanism of Cu/Al4Cu9/Al2Cu/Al multilayer composites: A molecular dynamic study
Published 2025-07-01“…Increased strain rates promoted dislocation accumulation, strengthening deformation resistance, while higher temperatures reduced dislocation density, weakening interfacial bonding and ductility.These findings provide theoretical guidance for optimizing copper-aluminum composites in engineering applications.…”
Get full text
Article -
589
Phosphorus Recovery by Activated Carbons (ACs) and Nano Iron Oxide/Activated Carbons (Fe3O4/AC) Composites in Flow-electrode Capacitive Deionization (FCDI) System
Published 2025-06-01“…FCDI system with Fe₃O₄/AC composites as flow electrode material demonstrated better selectivity of phosphorus over sodium ( βP/Na = 3.16 ) with higher charge efficiency and lower energy consumption, indicating its potential to sustainably remove or recover phosphorus. …”
Get full text
Article -
590
-
591
Development of an eco-friendly UPLC method for simultaneous quantification of six selected phosphodiesterase-5 inhibitors and serotonin reuptake inhibitors in pharmaceutical formul...
Published 2025-06-01“…This study employs quality by design (QbD) concepts to optimize chromatographic settings, assuring good selectivity, precision, and resilience, while conforming to green analytical chemistry standards, in contrast to previously published approaches. …”
Get full text
Article -
592
Optimizing GBM organoid construction with hydrogel-based models: GelMA-HAMA scaffold supports GBM organoids with clonal growth for drug screening
Published 2025-06-01“…However, Matrigel, the most used extracellular matrix, is animal-derived with a complex composition and significant batch-to-batch variability, requiring further optimization for GBM organoid construction. …”
Get full text
Article -
593
-
594
Iron, aluminum, and thorium impurity removal from a rare earth element pregnant leach solution using magnesium carbonate
Published 2025-05-01“…Abstract This study investigates the selective precipitation of aluminum, iron, and thorium from a rare earth element (REE)-containing pregnant leach solution (PLS) using magnesium carbonate (MgCO3) as a precipitant. …”
Get full text
Article -
595
Path Algebra-Driven Classification Solution to Realize User-Centric Performance-Oriented Virtual Network Embeddings
Published 2024-11-01“…This research offers a new evaluation mechanism to successfully replace the aforementioned traditional path ranking and path selection techniques. Specifically, the proposed framework is integrated with optimization-oriented metrics, each indicating a unique aspect of performance for evaluating candidate network paths. …”
Get full text
Article -
596
Bearing fault diagnosis for high-speed train based on improved VMD and APSO-SVM
Published 2022-01-01“…Aiming at the problem that the fault information of high-speed train wheel bearing is weak and difficult to extract, a fault feature extraction and recognition model for vibration signal of high-speed train bearing based on variational mode decomposition and adaptive particle swarm optimization-support vector machine was proposed. To avoid the under-decomposition or over-decomposition of VMD, the selection principle of <italic>k</italic> was suggested from the perspective of energy entropy change rate. …”
Get full text
Article -
597
Comparative Study of Modern Differential Evolution Algorithms: Perspectives on Mechanisms and Performance
Published 2025-05-01“…We conducted not only a cumulative analysis of algorithms, but we also focused on their performances regarding the function family (i.e., unimodal, multimodal, hybrid, and composition functions). Experimental results of algorithms were obtained on problems defined for the CEC’24 Special Session and Competition on Single Objective Real Parameter Numerical Optimization. …”
Get full text
Article -
598
Achieving structural anisotropy of liquid crystalline epoxy by manipulation with crosslinking parameters
Published 2021-03-01“…The article presents a detailed study of the curing process of liquid crystalline epoxy resin focused on selecting optimal crosslinking conditions allowing to achieve a highly anisotropic product. …”
Get full text
Article -
599
STUDY ON THE MICROMECHANICAL MODEL OF FORCE-MAGNETIC COUPLING FOR FERROGEL MATERIALS
Published 2017-01-01“…If the mass fraction of the magnetic granular in ferrogel is more than 70wt%,the ductility and fracture toughness of ferrogel composites would be notably reduced. In order to gain ferrogel composites with excellent magneto-induced effect,the the optimized combination of the selected factors would be employed were in the preparation of ferrogel materials. …”
Get full text
Article -
600