目的：优选并确立板蓝根中总有机酸的最佳提取工艺。
Objective: to establish the optimal extraction process for the extraction of total organic acids from Radix Isatidis.
提出了建立板栗基因库，保护板栗种质资源的合理建议。
It should build Chinese chestnut gene bank to protect the Chinese chestnut resources.
本实 用新型包括立板，其结构要点是立板的一面上设置有吸盘；
The structure of the toothbrush rack has the following characteristics: suction cups are arranged on one side of the vertical board;
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