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该研究通过稳态测量、原位红外光谱和DFT计算，揭示了不同尺寸（1.8 nm和11.8 nm）PdχAu催化剂表面Pd原子的分布与反应性能的关系。结果表明，小尺寸催化剂因Pd原子暴露度更高、表面重构更显著，表现出更强的H2O2选择性及反应速率，且Pd-Au合金的电子结构和几何 ...

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The end of 2025 was rough. Over $1.2 trillion in crypto market value gone in six weeks. Bitcoin (BTC) gave up more than 30% and slipped below $82,000; a liquidity vacuum. Leverage wiped out, ...

该VA-5000系列微量气体分析仪由HORIBA开发，旨在应对新时代环境与能源领域的气体检测需求。此分析仪能够同时检测多种气体（如CO、CO2、NOx、SO2、CH4、N2O和O2），并通过模块化设计实现高效的空间利用。其动态量程宽广，精度高，并配备RS-232C接口便于数据处理。

HORIBA推出的VA-3000微量气体分析仪，专为应对新时代环境与能源领域的挑战而设计。该设备采用模块化传感器设计，能够灵活配置以适应不同的检测需求，涵盖CO、CO2、NOx、SO2、CH4等多种气体成分。其宽广的动态量程和高精度使其适用于科研开发及环境监测等多个 ...