6. The amounts of Cu, Zn, Fe and Mn in Day-lily flower, Osmunda cinnamomea and Walnut kernel were determined by Microwave digestion-Flame Atomic Absorption Spectrometry.

• 但是,百合与其它鲜切花一样随着花朵的开放迅速衰老,如何延长百合花朵的寿命已成为生产与消费上急需解决的实际问题,也是近年来科学研究的主要课题之一。收藏指正