Aryl substituted polyacetylenes and their derivatives exhibit a lot of novel optical, electric, magnetic properties.
芳
代聚炔及其衍生物呈
出光电磁等许多新颖
。
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" Carrot skins are rich in fiber, antioxidants like beta-carotene and polyacetylenes, and other beneficial phytonutrients. Beta-carotene, which the body converts to vitamin A, is crucial for maintaining healthy vision, skin, and immunity, " Arsenault said.
“
卜皮富含抗氧化剂（如β-卜
和多炔类）、纤
以及
他有益的植物营养。β-卜能在人体内转化为
A，对于保持健康视力、皮肤和免疫力至关重要。”
