“環(huán)烯”造句
2024年07月01日 19:50:26
環(huán)烯烴共聚物的自然形態(tài),類似玻璃.
COC transparency similar to glass in its natural form.
典型
環(huán)烯烴共聚物材料,比高密度聚乙烯和聚丙烯模量較高.
Typical COC material will have a higher modulus than HDPE and PP.
報(bào)道了在低溫條件下, 以鄰二酮和α-
環(huán)烯酮為原料與炔鈉反應(yīng),合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-環(huán)戊醇、1, 2 - 二苯基 -2 - 羥基 -3 - 丁炔 -1 - 酮、3, 4 - 二苯基 -1,5-己二炔-3,4 - 二醇和3,4 - 二苯基 -3 - 環(huán)戊烯 -1 -酮4種化合物.
In low temperature, reaction of ketone with sodium acetylide synthesized 1 - ethynyl - 2,3, 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol; 1,2 - diphenyl - 2 - hydroxy - 3 - butine - 1 - one; 3,4 - diphenyl - 1,5 - hexadiine - 3,4 - diol and 3,4 - diphenyl - 3 - cyclopentene - 1 - one.