常見例句In there compounds, the cyclopentadiene ring has only four hydrogens. 在這些化合物里,環(huán)戊二烯環(huán)只有4個(gè)氫。The Study in Aza-Diels-Alder Reaction of Aryl Imines with Cyclopentadiene. 芳香亞胺化合物與環(huán)戊二烯的Aza-Diels-Alder反應(yīng)研究After filling, presented the hat (cyclopentadiene) the hypha, must carry on the stitch in time, prevents the spread. 覆土后,出現(xiàn)了帽(茂)菌絲,要進(jìn)行及時(shí)處理,防止蔓延。Abstract Nadic anhydride was obtained from Diels-Alder reaction between cyclopentadiene and maleic anhydride. 不飽和聚酯樹脂作為一種合成材料,廣泛應(yīng)用于航天、建筑、涂料等行業(yè)[1,2]。Nadic anhydride was obtained from Diels Alder reaction between cyclopentadiene and maleic anhydride. 以二聚環(huán)戊二烯和馬來酸酐為原料,合成內(nèi)亞甲基四氫鄰苯二甲酸酐(簡稱NA)。The dynamic Control procedures of cyclopentadiene in different portntial region were discussed. 表明在給定介質(zhì)中環(huán)戊二烯的陰極還原動力學(xué)規(guī)律與過電位有關(guān)。 返回 cyclopentadiene