By means of intervarietal crossing and linear selection, the new rape variety "Youyan No. 1" of low erucic acid and "Youyan No. 2" of "Double Low"(low erucic acid and low glusosiolate) have been bred.
通过品种间杂交和系谱法选择，育成了甘兰型低芥酸油菜新品种“油研1号”和甘兰型“双低”油菜新品种“油研2号”。
No significant differences in studied traits was obssrved among the groups with various genes, controlling erucic acid content(EAC)in the backcross generation.
回交世代不同芥酸含量的各组在产量和大多数其他性状上没有明显差异。
A new route for the synthesis of cyclopentadecanone starting from erucic acid is reported. Some conditions affecting yields of reactions are discussed.
本文介绍了芥酸合成环十五酮的新方法，并研究了反应条件对产率的影响。
A new route for the synthesis of cyclopentadecanone starting from erucic acid is reported. Some conditions affecting yields of reactions are discussed.
本文介绍了芥酸合成环十五酮的新方法，并研究了反应条件对产率的影响。
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