ortho position 正位 ; [有化] 邻位
Chlorine is introduced into the ortho-position of aniline.
氯被引入苯胺的邻位。
After chlorine is introduced into the ortho-position of aniline, the polymerization rate of the monomer decreases markedly, the formed polymer is hydrolyzed easily.
结果表明，苯胺的氨基邻位上引入氯后，单体的电化学聚合速率显著下降，形成的聚合物更易水解。
Phenol biodegradation is controlled by multi component genes to form different catabolic pathways of meta position and ortho position.
苯酚的生物降解受多组分的降解基因控制，形成邻位和间位等不同的代谢途径。
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