图3 δ 13C16:0和δ 13C18:0值散点图 (IMAGE)

Science China Press

图3 δ 13C16:0和δ 13C18:0值散点图

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(a) δ 13C16:0-δ 13C18:0, 置信椭圆由上至下分别代表非反刍动物体脂(猪体脂)、反刍动物(牛和羊)体脂和乳脂, 数据基于C3类植物喂养的现代动物; (b) Δ13C=δ 13C18:0−δ 13C16:0, 图中两条直线分别对应Δ=−0.3‰, Δ=−3.3‰

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