| 1. | Polyacetaldehyde may exist in atactic, syndiotactic and isotactic forms .
聚乙醛可以以无规，间同和全同形式存在。 |
| 2. | The best way to represent the isotactic structure is with molecular models .
表示等规结构的最好方法是用分子模型。 |
| 3. | The synthesis isotactic polymers is usually only possible by means of special stereospecific (stereoregulating)initiators .
通常只能用特殊的立体定向（立体调节）引发剂来合成等规聚合物。 |
| 4. | The synthesis of isotactic polymers is usually only possible by means of special sterospecific (stereoregulating)initiators .
通常只能用特殊的立体定向（立体调发）引发剂（Ziegler催化剂）来合成等规聚合物。 |
| 5. | Study on the non - isothermal crystallization kinetics of isotactic polypropylene in soybean oil
豆油体系的非等温结晶动力学 |
| 6. | Crystallization behavior of single or pauci chain congeries of isotactic polystyrene
单链和寡链等规聚苯乙烯聚集体的结晶行为 |
| 7. | Plastics . polypropylene and propylene - copolymer thermoplastics . determination of isotactic index
塑料制品.聚丙烯和丙烯共聚物热塑塑料.全同立构指数的测定 |
| 8. | The synthesis of isotactic polymers is usually only possible by means of special sterospecific ( stereoregulating ) initiators
通常只能用特殊的立体定向（立体调发）引发剂（ ziegler催化剂）来合成等规聚合物。 |
