用进入根内的称为接触吸收(contact absorption);根表养分离子与土粒吸附的 H+进行交换而排出的称为接触排出(contact desorption)。
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Disintegration greatly increases the drug's surface area in contact with GI fluids, thereby promoting drug dissolution and absorption.
崩解大大增加了药物与胃肠液的接触表面积,从而促进药物的溶解和吸收。
Exposure to hazardous chemicals commonly used in dry cleaning shops may occur through skin absorption, eye contact, or inhalation of the vapors.
暴露于危险化学品普遍使用的干洗店的,可能会出现通过皮肤吸收,眼睛接触,或吸入蒸汽。
Thee oral mucosa has a thin epithelium and a rich vascularity that favors absorption, but contact is usually too brief, even for drugs in solution, for appreciable absorption to occur.
口腔粘膜上皮很薄,血管丰富,有利于药物吸收。但是,接触的时间太短暂,即使是溶液剂也来不及等到明显的吸收发生。
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