stratifying怎么读

The self - stratifying behavior between epoxy resin and acrylic resin is investigated in different blend solvents.选择不同的混合溶剂体系考察部分相容的环氧树脂和丙烯酸树脂的自分层行为.Renal function and MPS have additive value in risk stratifying patients...

v.（使）分层，成层( stratify的现在分词 )...