表面活性剂对水(亲水)或油(亲油)的相对吸引力。
The relative attraction of a surfactant for either water (hydrophilic) or oil (lipophilic).
而表面活性剂亲油基的碳链长度和亲油基的支化是影响效率和效能的主要结构因素。
And the length and branching of alkyl chain in the hydrophobic group are main structure factors affecting surfactants' efficiency and effectiveness.
文章总结了木材表面钝化的原因，其中在贮存期间，亲油的、低分子量物质移到木材表面形成低表面能是木材钝化的主要原因。
In various reasons, it is a main reason that oleophilic, low -molecular weight substances which lower surface tention concentrate at the wod surfaces during storage.
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