Warning: file_put_contents(): Only 0 of 6163 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/001308.com/index.php on line 55 carotenal例句_carotenal英汉例句_carotenal双解例句_零食美味英文词典
A series of studies on reaction condition have obtained optimum condition permitting better yield(41.5%)of carotenal shows that the published literatures(10%). 研究了影响胡萝卜醛产率的因素;得到了最佳反应条件;产率甲文献报导的10%25提高到41.;5%25。