Bertoni, as far as I know, is a kind of hippie who lives by the sea collecting shells and seaweed.
据我所知，贝托尼是种居住在海边喜拾贝壳和海藻类型的嬉皮士。
The paper put forwards the way of extracting refining stevioside by boiling water from the leaves of stevia rebaudiana bertoni and removing impurities from extract by alcohol and ion exchanger.
介绍了用水提取、醇沉淀和离子交换树脂精制等工艺从甜叶菊中提取甜菊苷的方法。
The paper put forwards the way of extracting refining stevioside by boiling water from the leaves of stevia rebaudiana bertoni and removing impurities from extract by alcohol and ion exchanger.
介绍了用水提取、醇沉淀和离子交换树脂精制等工艺从甜叶菊中提取甜菊苷的方法。
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