MGA-5 CO CO2CH4N2O H2O 分析仪基于中红外量子级联激光光谱吸收技术，能以1 Hz的频率同时精确测量CO、CO2、CH4、N2O和H2O五种气体，满足WMO观测规范。该设备具备高灵敏度、无交叉干扰等优点，适用于空中、海上和陆地多种环境，且在精度和稳定性方面表现出色，为碳 ...

PRI-8640便携式土壤呼吸测量系统专为高精度多组分土壤呼吸测量设计，采用中红外直接吸收光谱技术，具备高灵敏度和稳定性，可同时测量CO2、CH4、N2O和H2O四种气体浓度。系统配备动压平衡装置和人机交互手持平板，确保精确测量并简化操作流程。该设备适用于 ...

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Heart failure is a pressing worldwide public-health problem with millions of patients having worsening heart failure. Despite all the available therapies, the condition carries a very poor prognosis.