The utility model relates to a duplex drainage standpipe and a system. The system comprises the duplex drainage standpipe in the building and a manhole at a lower end. The duplex drainage standpipe comprises a first drainage standpipe and a second drainage standpipe, which are arranged side by side .....
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The invention provides an electrical stimulation method as well as relative device and system thereof. The system comprises an output module and a stimulation module, wherein the output module obtains low-frequency and long-term electrical stimulation parameters and transmits the electrical stimulat.....
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本发明涉及一种养心安神药物及其制备方法,该药物的活性成分是由酸枣仁、合欢花、桑椹、五味子以及柏子仁的有效提取物组成。本发明所述药物的制备方法是将用于提取的原料粉碎成粗粉,分次加水煎煮,合并煎煮液,冷却,滤过,通过处理好的吸附树脂柱,用纯水洗脱至流出液颜色很浅,继以醇溶液洗脱至流出液颜色很浅,收集醇洗脱液,减压回收溶剂并浓缩至稠膏状,得到本发明药物的活性成分。最后将制得的活性成分制成各种口服制剂。
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