𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Supporting learning with interactive multimedia through active integration of representations

✍ Scribed by Daniel Bodemer; Rolf Ploetzner; Katrin Bruchmüller; Sonja Häcker


Publisher
Springer Netherlands
Year
2005
Tongue
English
Weight
440 KB
Volume
33
Category
Article
ISSN
0020-4277

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✍ Hideharu Mori; Hideaki Saito; Minoru Terano 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 472 KB 👁 2 views

The initial polymerization stage of propene with a MgClz-supported Ziegler catalyst after the pre-treatment with a Lewis base was examined as a study of the stereospecificity of the active sites precursors. A drastic depressing effect on the catalyst activity occurs, accompanied by an increase in st