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ypfkb鐵桿木蟲(chóng) (正式寫(xiě)手)
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[求助]
求助翻譯一段
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| 通過(guò)對(duì)不同動(dòng)力學(xué)模型的驗(yàn)證可知, Cu/ZSM-5催化劑上NO催化分解反應(yīng)的控制步驟為兩個(gè)被吸附的NO分子之間的表面雙分子反應(yīng),而且NO在活性位上的吸附是可逆的,分解反應(yīng)對(duì)NO的反應(yīng)級(jí)數(shù)為2,對(duì)氧的反應(yīng)級(jí)數(shù)為負(fù)數(shù),氧濃度的增加阻抑了分解反應(yīng)的進(jìn)行。以此動(dòng)力學(xué)模型為基礎(chǔ),測(cè)得其反應(yīng)活化能為E=52kJ.mol-1,反應(yīng)速率常數(shù) 與溫度T的關(guān)系為 |
榮譽(yù)版主 (知名作家)
| By verification of different dynamics models to have a conclude that the control step of catalytical dehydrogenation of NO on Cu/ZSM-5 is surface bimolecular reaction happened between two adsorbed NO moleculars, but also the sorption of NO on active sites is reversible and the decomposition reaction order for NO is 2,for O is negative number,respectively. Enriched Oxygen repress the decomposition reaction. Measuring the reaction activation energy is E=52kJ.mol-1 and the relationship between rate constant and temperuture T based on this dynamics models. |

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