“polyisobutylene”的概念、定义、翻译、参考文献-科学参考

单词	polyisobutylene
释义	polyisobutylene Encyclopedia 工学聚异丁烯释 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。
随便看	surface of class r surface of coincidence surface of congruence surface of constant breadth surface of constant curvature surface of constant geopotential surface of constant phase surface of constant width surface of contact surface of degeneration of type surface of degree p surface of discontinuity surface of equal distances surface of finite type surface of general type surface of genus g surface of genus zero surface of intersection surface of least area surface of Liouville type surface of materials surface of negative curvature surface of order n Surface of phase change heat transfer surface of positive curvature

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