adj. hydrotropic
向水性(向水运动)：是由于水分刺激而产生的向性运动，属于向化性的一种特殊类型。
Hydrotropism (hydrotropic movement) a tropism in which the stimulus is water. It is a special kind of chemotropism.
近来，为了适应环保要求，用于表面加工的光油正逐步从溶剂型光油向水性光油转化。
Recently, in order to adapt to the demands of environmental protection, for surface finishing of varnish is progressively from solvent-based light oil to water-based conversion varnish.
尝试了一种向聚氨酯分子链中引入丙烯酸和有机硅基团对水性聚氨酯进行改性的新方法。
A novel modification method, which introduces acrylic acid groups and organosilicon groups in to the WPU molecular chain, was adopted in the experiment.
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