Search Results - Han ZHENG
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Decorating Ti<sub>3</sub>C<sub>2</sub> MXene Nanosheets with Fe-N<sub>x</sub>-C Nanoparticles for Efficient Oxygen Reduction Reaction
Published 2025-06-01Get full textFinding alternatives to platinum that exhibit high activity, stability, and abundant reserves as oxygen reduction electrocatalysts is crucial for the advancement of fuel cells. In this study, we first mixed FeCl<sub>2</sub>·4H<sub>2</sub>O, 1,10-phenanthroline, and Vulcan XC-...
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Optimal Dimensional Synthesis of Ackermann and Watt-I Six-Bar Steering Mechanisms for Two-Axle Four-Wheeled Vehicles
Published 2025-07-01Get full textThis study investigates the dimensional synthesis of steering mechanisms for front-wheel-drive, two-axle, four-wheeled vehicles using two metaheuristic optimization algorithms: Differential Evolution with golden ratio (DE-gr) and Improved Particle Swarm Optimization (IPSO). The vehicle under conside...
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Indoor High Precision Three-Dimensional Positioning System Based on Visible Light Communication Using Improved Hybrid Bat Algorithm
Published 2020-01-01Get full textTo solve problems of low positioning accuracy and long time-consuming in indoor visible light three-dimensional positioning system, a visible light three-dimensional positioning method based on the improved hybrid bat algorithm (IHBA) is proposed in this paper. Firstly, some beacon points are set at...
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Toxicity threshold of lead (Pb) to nitrifying microorganisms in soils determined by substrate-induced nitrification assay and prediction model
Published 2017-08-01Get full textAbstract: Lead (Pb) contamination has often been recorded in Chinese field soils. In recent years, efforts have been made to investigate Pb toxicity thresholds in soils with plant growth and microbial assays. However, the influence of soil properties on Pb toxicity impacts on soil microbial processe...
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Facile preparation of CoNiS/MXene/polypyrrole electrocatalyst with mischcrystal-amorphous interfaces for hydrogen evolution reaction
Published 2025-07-01Get full textElectrocatalytic hydrogen evolution reaction (HER) offers a sustainable pathway for clean hydrogen production, while the developing of non-Pt catalysts with high activity and durability remains challenging. This work presents a CoNiS/MXene/polypyrrole (PPy) composite synthesized via a novel 2-step e...
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Subcellular Cd accumulation characteristic in root cell wall of rice cultivars with different sensitivities to Cd stress in soil
Published 2016-09-01Get full textThe variations of grain cadmiun (Cd) concentrations, translocation factors (TFs) of Cd from roots to shoots/grains of six rice cultivars, characterized with different Cd-sensitivities in polluted soil were studied, the selected rice cultivars were Xiangzao 17 (R1), Jiayu 211 (R2), Xiangzao 42 (R3),...
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Genomic characterization and virulence of Streptococcus suis serotype 7 sequence type 373 of clonal complex 94
Published 2025-06-01Get full textAbstract Streptococcus suis is a swine pathogen that also causes invasive infections in humans, leading to significant economic losses in pig production worldwide. Serotype 2 is the most pathogenic S. suis strain associated with human infections. However, non-serotype 2 strains isolated from humans...
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Streptococcus suis serotype 5: Emerging zoonotic threat with distinct genomic heterogeneity
Published 2025-12-01Get full textStreptococcus suis is a significant pig pathogen and an emerging zoonotic agent. Serotype 5 is becoming an increasing concern among pigs and humans with S. suis infection worldwide. This study investigated the population structure, phylogenetic relationship, genomic characteristics, and virulence of...
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