An elongation or enlargement of the receptacle, as in the flowers of the Boraginaceae.

雌蕊基 Gynobase 花托伸长或膨大，如紫草科花。

These camouflage protective functions may be attributed to the electronic transition of a-naphthaquinone in lithospermum erythro...

紫草迷彩伪装性能可能是它主要成分α萘轭电跃迁。

In contrast with different extraction methods, the alkannin could be extracted quickly and effectively by the ultrasonic wave.

研究了超声波法和有机溶剂法提取天然紫草色素工艺条件,超声波法可明显提高色素提取速率。

In order to provide a basis for the research and development of gromwell,the studies on domestic extraction of alkannin was reviewed in briefly.

对国内有关紫草色素提取概况进行了综述,为研究和开发紫草提供依据。