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gohappy铜虫 (正式写手)
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[求助]
翻译一段有关吸附材料的（汉译英）
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吸附动力学的研究有助于探讨化学吸附和多相催化反应机理。Elovich方程广泛应用于固体吸附剂表面的化学吸附动力学，假设吸附速率与表面覆盖度成指数关系，吸附活化能与表面覆盖度成线性关系，其方程表达式为XXX。 异相吸附等温方程通常用Langmuir方程，Freundlich方程和Temkin方程来描述。Langmuir方程可适用于物理吸附和化学吸附。假设吸附为均匀表面的单分子层吸附，忽略被吸附的分子间的横向相互作用，其方程可表达为XX; Freundlich方程适用于物理吸附和化学吸附，假设吸附热在非均匀的表面随着表面覆盖度增大呈现对数规律降低，该方程的表达式为XXX; Temkin方程是描述化学吸附的方程式，假设由于吸附质和吸附剂的相互作用，吸附热随着吸附量增大而线性降低，并且吸附的结合能均匀分布，其表达式为XXX. （XXX为各方程的表达式，省略） [ Last edited by gohappy on 2011-11-21 at 10:44 ] |
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xiaohanhan2007 
捐助贵宾 (小有名气)
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gohappy(金币+10, 翻译EPI+1): 3q 2011-11-21 22:16:39
| The research on adsorption dynamics assists to discuss the mechanisms of chemical adsorption and heterogeneous catalytic reaction. Elovich equation has been widely applied to chemical adsorption dynamics of solid adsorbent surfaces as XXX, which assumes an index relationship between the adsorption rate and the surface coverage and a linear relationship between the adsorption activation energy and the surface coverage as well. Meanwhile, adsorption isotherm equations are usually written utilizing Langmuir, Freundlich and Temkin equations, respectively. Langmuir equation is applicable to both physical and chemical adsorption, assuming a monomolecularic layer adsorption on a uniform surface while ignoring the lateral interactions between the adsorbed molecules, which can be written as XXX. Besides, Freudlich equation, written as XXX, is also applicable to both physical and chemical adsorption, which assumes that the adsorption heat of a non-uniform surface logarithmically decreases with increasing surface coverage. Moreover, Temkin equation, which can be written as XXX, is applicable to only chemical adsorption and assumes that the adsorption heat linearly decreases with increasing adsorption quantity, and the adsorption binding energy is distributed uniformly. |
2楼2011-11-21 22:07:59
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