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。
[更多]
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.....
[更多]
The utility model relates to a lens used for improving the diffraction efficiency of a blue-ray disc and a China high definition disc, which comprises a first lens surface (1) and a second lens surface (2), wherein the first lens surface is a free curved surface, and the second lens surface is an as.....
[更多]
一种高精度光纤布喇格光栅传感器，其中气体吸收谱线用作动态波长频率基准以便连续校准激光光源的波长。所述光纤布喇格传感器包括：将来自激光器的光分为两束的光纤定向耦合器；让所述光线的一部分通过的气体单元；用于监控通过所述气体单元的光线以便确定气体吸收谱线（并因此确定光的波长）的第一光探测器；用于监控从布喇格光栅反射回来的另一部分光线并确定波长的第二光探测器；和用于同时接收来自两个光探测器的信号的计算机。
[更多]
A strain sensor (10) for measuring strain greater than 10%, the sensor (10) comprising: an upper polydimethylsiloxane (PDMS) substrate (20) having measurement electrodes (90) extending therethrough; a lower PDMS substrate (30) bonded to a lower surface of the upper PDMS substrate (20), and an upper .....
[更多]
| |< <- | [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] | -> >| |
