用程序升温脱附技术，在接近反应条件下研究沸石的表面酸性。
Studies of the surface acidity of zeolites have been made under conditions close to the reaction conditions by TPD technique.
用氨程序升温脱附法（TPD）研究了它们在积炭前后的酸性变化。
The acid proper-ties of its coking in front and behind by temperature programmed desorption of ammonia(TPD).
用程序升温脱附法测定了乙炔在衰化程度不同的醋酸锌催化剂上的脱附峰面积。
The Temperature Programmed Desorption(TPD) method is applied to research the series deactivation catalysts of Zn(Ac) 2. The catalyst samples was obtained from chemical factory.
采用程序升温还原(TPR)、氢的化学吸附和NH_3的程序升温脱附(NH3 -TPD)对催化剂进行了表征。
The catalyst is characterized by temperature programmed reduction (TPR), H_2 chemisorption and ammonia temperature programmed desorption (NH3-TPD).
用红外光谱（IR）和程序升温脱附（TPD）考察了催化剂的酸性随硅铝比变化规律，并将这些规律与实验结果关联起来进行了讨论。
The relationship between the acidity and catalytic properties of ZSM-5 zeolite catalysts was discussed on the basis of the experimental resu…
用程序升温脱附-红外光谱（TPD-IR）动态方法，研究了铑与载体相互作用对铑催化剂上的CO孪生、线式和桥式吸附态稳定性的影响。
The influence of metal- support interaction on the stability of adsorbed CO on somerhodium catalysts have been investigated by TPD-IR dynamic method.
用程序升温脱附-红外光谱（TPD-IR）动态方法，研究了铑与载体相互作用对铑催化剂上的CO孪生、线式和桥式吸附态稳定性的影响。
The influence of metal- support interaction on the stability of adsorbed CO on somerhodium catalysts have been investigated by TPD-IR dynamic method.
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