Carboxylic crosslinked polystyrene microsphere was prepared by F - C acylation reaction.通过傅克酰基化反应制备了羧基化交联聚苯乙烯微球.The property of Hollow Microsphere Polymer ( HMP ) and its retanning characteristics was discussed in this p...
Fishermen fear valuable oyster and mussel beds could be decimated.渔民们害怕宝贵的牡蛎和贻贝层会被破坏。Oyster beds, on the mudflats, are a form of fish farming.滩涂牡蛎养殖场是一种水产养殖方式。I enjoy eating oyster; it's really delicious.我喜欢吃牡蛎, 它味道...