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聚异丁烯
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聚异丁烯
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polyisobutylene
聚异丁烯
由异丁烯经正离子聚合制得的聚合物。是一种典型的饱和线型聚合物。分子链主体不含双键,无长支链存在,其分子量可从数百至数百万,其中没有不对称碳原子,并且结构单元以首-尾有序连接。
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聚异丁烯
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Polyisobutylene
聚异丁烯
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The Right of Nations to Self-Determination
the right on electric power
the right system of environment and resources law
the right to choose education
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the right to defend
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the right to educational freedom
the right to know of consumers
the right to know the environmental
the right to participate in environmental management
the right to receive education
the right to use forest resources
the right to watch and enjoy the landscape
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