...取；化学提取；生物提取；马尾藻 [gap=952]Key words seaweed active substances；physical extraction；chemical extraction；biological extraction；Sargassum ...
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使用逐级化学提取方法对岩石中氟元素的化学活动性进行了研究。
Sequential extraction experiments were used to study the chemical mobility of fluorine in rocks.
本文综述了从植物中提取果胶的各种方法，包括化学提取法和生物提取法。
In this paper, the methods of pectin extraction and purification from plant tissues, including chemical and biological methods, are introduced.
本发明公开了一种制备烟用香料的挥发油提取装置，属于化学提取设备技术领域。
The invention discloses a volatile oil extractor for preparing a cigarette flavor, which belongs to the technical field of chemical extracting equipment.
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