The present invention describes preparation of nanocomposite particles and structures by polymerizing monomers onto a functional inorganic colloid comprising a polymerization initiation site.
本发明描述了聚合到一个无机功能包括一个起始位点聚合单体胶体粒子和纳米复合结构的筹备工作。
The results showed that nonmetallic inclusions in weld seam served as crack initiation site under external bend load, and large amount of m a structure resulted in cleavage fracture of weld seam.
结果表明,焊缝金属中存在的非金属夹杂物,在低应力作用下形成微裂纹成为裂源,加之焊缝组织中存在大量的MA结构群,从而发生焊缝金属在室温下的解理断裂。
The catalyst is characterized in that the catalyst is a tetradentate schiff base complex contains one or two organic base groups and has single active site initiation and controllable polymerization.
其特征是该催化剂系含有一个或两个有机碱基团的四齿席夫碱钴配合 物,具备单活性点引发和可控聚合。
The catalyst is characterized in that the catalyst is a tetradentate schiff base complex contains one or two organic base groups and has single active site initiation and controllable polymerization.
其特征是该催化剂系含有一个或两个有机碱基团的四齿席夫碱钴配合 物,具备单活性点引发和可控聚合。
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