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.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.Polyacetadehyde may exist in atacti...
Armenia is a land - locked country located in Eurasia's Southern Caucasus mountain range.亚美尼亚是位于欧亚大陆南高加索山脉的内陆国.Armenia: Two white doves may be released to signify love and happiness.亚美尼亚: 人们放飞两只白鸽,以示爱情和幸福.Once the n...