以下为句子列表：
英文: Big basic nitrogen compounds (BNC) molecules poisoned the active sites on external surface of the catalyst, while small BNC molecules entered pore channels of the catalyst, both caused deactivation of the active sites.
中文: 大分子碱性氮化物可以毒化催化剂外表面活性中心，小分子碱性氮化物可以进入催化剂孔道，造成催化剂活性中心全部失活。
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英文: It is showed that the longevity of Pd/C catalyst can be prolonged by adding methanation promoter, and the deactivation can be regenerated by supercritical fluid extraction.
中文: 提出了钯碳催化剂的制备关键、加入甲烷化助剂可以延长钯碳催化剂寿命、利用超临界流体再生方法可以有效再生失活钯碳催化剂。
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英文: It says the recall is tied to the speed control deactivation switch system, which could corrode over time, overheat and catch fire.
中文: 福特公司说此次召回和速度控制怠速开关系统有关，速度控制怠速开关随时间流逝可能会被腐蚀，最终可能导致过热并发生火灾。
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英文: Main physical and chemical processes including heat and mass transfer, flow distribution, chemical kinetics, oxygen storage and catalyst deactivation are discussed.
中文: 讨论了催化转化器中主要的物理和化学过程，包括传热传质、气流分布、化学动力学、储氧和催化剂中毒。
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英文: The hydro-demetallization kinetic model and the expression of catalyst deactivation function were proposed on the base of appropriate hypothesis used in common kinetic research methods and the operation data from Maoming's Residue Hydrodesulfurization Tre
中文: 摘要依据茂名渣油加氢工业装置(S-RHT)的大量实测数据，通过合理的模型假定，采用常规的动力学模型研究方法，建立了渣油加氢脱金属动力学模型和催化剂失活函数表达式。
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