温度不随高度而变化的气层的统称。一般是指对流层顶附近和平流层的下部,气温随高度变化很小或不变的气层,曾称之为“同温层”。在对流层内气温是随高度升高而降低的,但在局部地区也可由热力或动力原因,在一定时间内形成薄层的等温层。
从吸附剂表面能量分布的不均匀性导出一个新吸附等温线方程，其形式简单并符合单分子层吸附机理。
A new isotherm equation is derived from the heterogeneity of adsorbent surface. It is simple in form and compatible physically with the mechanism of monolayer adsorption.
本文利用等温吸附的线性关系，对苯酚在土壤层中的吸附动力学过程进行数学模拟研究。
A mathematical model of adsorption of phenol in soil has been studied using linear function of adsorption isotherm.
所采用的U型管式反应器基本实现床层内等温操作，用于筛选新型颗粒催化剂有较强的可比性。
The U tubular reactor employed in this reaction practically achieves isothermal operation inside the bed, and presents good comparable results in screening new catalyst.
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