一些乳草属植物含有一种高浓度的化学物质，叫做强心苷(也叫卡烯内酯)，这种东西使得蝴蝶对那些食肉动物来说成了有毒食物。
Some milkweeds have a higher concentration of chemicals called cardenolides, which make the butterflies toxic to predators.
用丙烯酸蔗糖酯代替价格昂贵的烯丙基蔗糖醚作为交联剂，用过硫酸钾为引发剂，在水溶液中反应制取卡波姆。
Sucrose acrylate is used as a crosslinking agent instead of the expensive sucrose ether, and potassium persulfate is used as a initiator to prepare carbomer in the water solution.
卡波沫为丙烯酸键合蔗糖的烯丙基醚的聚合物，呈酸性。
Kaposi acrylic foam bonded to the allyl ether of sucrose polymers, acidic.
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