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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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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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 discloses a catalytic asymmetric hydrogenation reaction. Of the present invention is the role of chiral catalyst, H2 of the prochiral unsaturated compounds to addition reaction to obtain the chiral product, wherein the solvent used in the reaction liquid polyethylene glycol compound. T.....
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本发明涉及一种通过移动通信信号来实现定位的方法，其中基站通过多个天线发射多个电磁波束，每个电磁波束以不同方向进行发射且包含特定的方向信息，包括下列步骤：S1：检测移动终端接收到的电磁波束，并判定出每个基站发出的具有最强接收能量的最强电磁波束；S2：分别获取每个最强电磁波束包含的方向信息；S3：依据多个最强电磁波束包含的方向信息交叉得到移动终端的位置信息。本发明还涉及一种通过移动通信信号来实现定位的系统。本发明的定位精度较高，误差可控制在100米内，可更好地满足用户的需要。
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