查询词典 radiation pressure

The method comprises steps as follows:(1) Chinese herbal medicines are taken and added with purified water for soaking, with the material-to-water ratio of 1:10;(2) the Chinese herbal medicines with the purified water are placed in a microwave heating system; the power of the microwave and the radiation extraction time are controlled;(3) leaching liquor is poured out and put into a centrifuge for centrifugation to obtain the Chinese herbal medicine water extract;(4) polyethersulfone ultrafiltration film is arranged in an ultrafilter; the Chinese herbal medicine water extract is poured into the ultrafilter and placed in a normal pressure type microwave heating system; and (5) the power of the microwave and the radiation extraction time are controlled and the pressure of nitrogen is regulated so as to obtain the purified Chinese herbal medicine water extract.

本发明公开了一种利用微波辐射改善中草药水提液膜超滤过程的方法，该方法由以下步骤完成：(1)取中草药材以1∶10的料液比加入纯净水，浸泡；(2)置于微波加热系统，控制微波功率和辐射提取时间；(3)倾出浸提液；然后用离心机离心得中草药水提液；(4)超滤器内置有聚醚砜超滤膜，将中草药水提液倒入超滤器并置于常压式微波加热系统；(5)控制微波功率和辐射提取时间，调节氮气压力，得到纯化的中草药水提液。

Pressure induced amorphous transition of LiB 3O 5 has been investigated by using in situ high pressure X ray powder diffraction and energy dispersive X ray diffraction with synchrotron radiation at the pressure up to 45 1GPa.

采用X射线粉末衍射和同步辐射能散X射线衍射技术，对LiB3O5晶体进行了压致非晶化相变的研究，压力达45.1GPa。

In Chapter 2,we present the theory and experimentalresults of the light radiation pressure force,which provide a base for us in the study of thewave properties of atoms.

第二章系统阐述了光辐射压力理论及实验结果，为我们进行原子波动性质的研究打下了基础。

However, the radiation pressure of sunlight is too small at this distance, and points into the wrong direction. The same applies to the spacecraft's radio emissions.

然而在这样远的距离上，太阳光的压强太小了，而且方向也不对，探测器本身的无线电传输也是如此。

Lasers can exert radiation pressure on small particles, which were used to cool and trap neutral atoms.

激光能够对粒子产生辐射压力，被用来冷却捕陷原子。

The Radiation pressure and laser cooling of a V-type three level atom in coherent fields in a squeezed vacuum are considered.

研究了压缩真空中V型三能级原子在单色行波场中的辐射压力和激光冷却。

In this paper, the possibility of using electromagnetic wave radiation pressure to the measurement of microwave power, especially the measurement of the peak power or total energy in a single shot high energy microwave pulse is discussed.

讨论了应用电磁波的辐射压力在空间测量微波功率，特别是单次脉冲高功率微波的峰值功率和能量的方法。

The radiation pressure of the solar wind then expelled most of the unaccreted matter, and only those planets with sufficient mass retained their gaseous atmosphere.

辐射压力的太阳风然后驱逐大部分unaccreted的问题，只有那些有足够的大规模行星保留其气态气氛。

Based on the principle of solar radiation pressure, the author reveals two natural phenomena.

河北省地震局，石家庄 050021）摘要：依据太阳光子辐射产生的光压理论，作者揭示出了自然界存在有如下两种自然现象：（1）揭示了日—地间天然形成的能量相耦合的&轧制&式和&摇摆&式物理机制及其存在的证据。

Birefringence crystal can not only be moved and pushed but also be rotated by the radiation pressure. Based on it, a motor which is drived by laser can be developed in future.

文中还对双折射晶体的旋转操作进行了初步的研究，在此基础上可望研制光致动微马达。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。