anions阴离子anionn.阴离子；负离子anion surfactants阴离子表面活性剂anion-selective阴离子选择的anionic softening阴离子软化anionic initiator阴离子引发剂anionicsurfactant阴离子表面活性剂anionic component阴离子成分anion selectivity阴离子选择性anion penetration阴离子渗入anionic S-doped阴离子取代型硫掺杂anionic fat liquor阴离子加油乳液