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1.At first, the adsorption behaviors of Cd(II) on collagen fiber immobilized black wattle tannin, larch tannin and bayberry tannin were investigated.
首先研究了胶原纤维固化黑荆树单宁、固化落叶松单宁和固化杨梅单宁对Cd(II)的吸附特性。收藏指正
2.It was jet-black with a crimson wattle, and it seemed unaware that it was in New York City.
它是乌黑色的，带一块深红色的垂肉，似乎没有意识到自己在纽约市。收藏指正
3.black tropical American bird having a large overhanging crest and long feathered wattle.
美洲热带的黑色鸟，长有大的悬垂羽冠和长的有羽毛的肉垂。收藏指正
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