分层抄造的芳纶原纸比一次抄造的芳纶原纸的抗张强度和撕裂度高；
The tensile strength and tear of aramid paper that papermarking for two is strong than the aramid paper which is papermarking for one.
综述金属催化剂催化上甲烷氧化和非氧芳构化反应进展，讨论了主要的甲烷芳构化反应的机理。
The advancement of oxidative and non-oxidative aromatization of methane over metallic catalysts is reviewed, and the main reaction mechanism is discussed.
为此，本文对芳纶纤维布、芳纶纤维布和碳纤维布联合应用加固混凝土矩形柱的抗震性能进行了试验研究，这在国内尚属首次。
This paper deals with the application of AFRP, AFRP and CFRP for seismic strengthening for concrete rectangle columns for the first time in our country.
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