A raw rubber for millable polyether polyurethane elastomer was prepared.
制一种新型的聚醚型聚氨酯生胶。
A raw rubber for millable polyether polyurethane elastomer was prepared.
制一种新型的聚醚型聚氨酯生胶。
The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.
以2(3H)-苯并唑酮为端基、具有酰脲结构的环多醚化合物的质谱。
声明:以上例句、词类均由互联网资源自动生成,部未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。