采用原位漫反射红外光谱法，用CO作为探针分子，对样品的吸附特征进行了研究。
The in situ diffuse reflectance FTIR spectroscopy (DRIFTS) analysis with the probe molecule co was carried out to characterize the surface properties.
原位漫反射红外光谱是一新的原位表征技术，该方法用于表征磷酸硅铝分子筛sapo_34的骨架。
Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFTS) is a new in situ technique, and this method is used to investigate the framework of SAPO-34 molecular sieve.
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