The catalyst is a twisted chair structure and reacts with borane at the N site of the catalyst to form catalyst borane adduct. The formation reaction is exothermic.
催化剂具有扭曲的椅式构型，与硼烷在N原子处配位形成加合物，反应是放热的。
It described the structure and working process of the new self-help chair in detail, and gived the typical deformation structures.
对此新型自助椅的结构和工作过程进行了详细的描述，同时给出了自助椅的典型变形构态。
The shape of PP round chair are introduced, the mould structure of the injection molding with point gate and hot runner for the PP round chair, and it's running characteristics are researched.
介绍了PP圆椅的形状，研究了点浇口、热流道注射成型PP圆椅的模具结构及运行特征，分析了点浇口的设计要点，阐述了温控系统的选择，以及注射工艺条件对制品的影响。
应用推荐