本发明涉及一种中药纳米制剂的制备方法，该方法具有如下步骤：预处理、制备悬浮液、粉碎和过滤、纳米化步骤。根据不同中药的要求，还包括以下步骤，即提取纳米化步骤中得到的中药纳米悬浮液中的有效成分和／或干燥步骤。本发明所得到的纳米级中药悬浮液或者干燥后的中药纳米粉末可被制成各种制剂。本发明的中药纳米化是采用纳米对撞机完成的，药材粒子的粒径大小稳定、可靠。本发明的方法通用性强，适用于各种中药材。
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The invention relates to an FRP (fiber reinforce plastic) tube-concrete-steel tube combined tube tower comprising an inner steel tube, an FRP outer tube and a concrete layer, wherein the inner steel tube is formed by connecting a plurality of steel tube segments, the FRP outer tube is formed by conn.....
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The utility model provides a caution board including a rating plate, a luminous caution device, an acoustic caution device and a caution control unit. The utility model has the advantages that the caution board with an audible-visual device has a simple structure, and is easy to identify and availab.....
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