Rp-hplc determination of bullatine a in aconitum brachypodum diels .

rp-hplc法测定雪上一枝蒿中雪上一枝蒿甲素含量。

Diels in different development stages from zhangxian of gansu province was studied by simulating the way of rain eluviation .

以甘肃省漳县当归为材料，模拟雨水淋溶途径，研究了当归不同发育期的化感作用。

The diels alder reaction of maleic anhydride and conjugated acids of cis tran form from chinese tallow oil and cottonseed oil was studied , the influence of amounts of catalyst , reaction time on synthesis was discussed , and the yields above 90 % were obtained .

以梓油及棉籽油为原料，对顺-反式共轭酸与马来酐的双烯加成反应进行了研究，探讨了不同的催化剂用量、反应时间对合成反应的影响，获得了90%以上的得率。