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Substitution preparation of fuel cell catalyst
The substitution preparation of fuel cell catalysts mainly faces challenges such as high costs, limited durability, and environmental impact of traditional catalysts. Alternative materials include non-PGM metals, metal oxides, and carbon-based materials, which have been thoroughly studied for their catalytic properties and stability. Preparation methods involve electrochemical deposition, impregnation, and sputtering techniques, with discussions on optimization strategies to enhance catalytic performance.
Edited at 2024-12-17 02:35:43
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Substitution preparation of fuel cell catalyst
- Biological study on anti-aging of membrane proteins in cell lines
This study focuses on the biological research of anti-aging of membrane proteins in cell lines, covering the selection of experimental cell lines (including human cell lines and model organism cell lines), employing various anti-aging interventions such as gene editing, drug therapy, and nutritional intervention, and assessing the degree of aging by detecting aging biomarkers such as telomere length, protein carbonyl levels, and ROS levels, aiming to reveal the important role of membrane proteins in the anti-aging process.
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- The influence of pressure on gas reactions
The influence of pressure on gas reactions mainly manifests in changes to the chemical equilibrium position. According to Le Chatelier's principle, increasing pressure typically shifts reactions with a decrease in the number of gas molecules toward the forward direction. The mole concept is crucial in gas reactions, determining the quantities of reactants and products. Additionally, pressure changes have practical implications in industrial production, environmental protection, and energy conversion.
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