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Updated: Aug 8, 2026

A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions
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通过V8C7/C稳定了超细Ru纳米粒子,以在所有pH值下增强进化反应

Yanju Long1, Yong Shen1, Pingping Jiang1

  • 1Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, Lehn Institute of Functional Materials, Guangdong Provincial Key Laboratory for High Performance Polymeric Composites, Institute of Green Chemistry and Molecular Engineering, School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China.

Science bulletin
|January 21, 2024
PubMed
概括

研究人员开发了一种新的电催化剂,通过水分离来有效生产气. 这种新的Ru-V8C7/C复合材料在所有pH水平上都表现出卓越的性能和稳定性,为金提供了具有成本效益的替代品.

关键词:
的进化是因为的进化.金属有机的框架.纳米颗粒 纳米颗粒鲁丁是一种.过渡金属碳化物 过渡金属碳化物

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Reduction of Alkenes: Catalytic Hydrogenation02:13

Reduction of Alkenes: Catalytic Hydrogenation

Alkenes undergo reduction by the addition of molecular hydrogen to give alkanes. Because the process generally occurs in the presence of a transition-metal catalyst, the reaction is called catalytic hydrogenation.
Metals like palladium, platinum, and nickel are commonly used in their solid forms — fine powder on an inert surface. As these catalysts remain insoluble in the reaction mixture, they are referred to as heterogeneous catalysts.
The hydrogenation process takes place on the surface of...
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Reduction of Alkenes: Asymmetric Catalytic Hydrogenation

Catalytic hydrogenation of alkenes is a transition-metal catalyzed reduction of the double bond using molecular hydrogen to give alkanes. The mode of hydrogen addition follows syn stereochemistry.
The metal catalyst used can be either heterogeneous or homogeneous. When hydrogenation of an alkene generates a chiral center, a pair of enantiomeric products is expected to form. However, an enantiomeric excess of one of the products can be facilitated using an enantioselective reaction or an...