X-ray diffractometer, scanning electron microscopy and the Archimedes method et al. were used to investigate the phase composition, the microstructure, the density and so on of MgB2 samples.
利用X射线衍射仪、扫描电子显微镜和阿基米德方法等，分别研究了样品的物相组成、显微结构和密度等。
Metalsmiths knew how to detect forgeries of precious metals by measuring their density, using Archimedes' method of submersion in water to measure volume.
当时的金属匠利用阿基米德把物体浸在水中测量体积的方法，知道如何检测假的贵金属物品。
The instrument is based on the Archimedes law, and the basic method of mass measurement and pressure sensing.
主要采用了阿基米德原理，质量测定和压力传感的基本方法。
This paper makes a meshing analysis about the spiroid gearing. Using the method of equivalent worm gearing, the assembly condition of Archimedes spiroid gears has been obtained.
通过锥蜗杆传动副的啮合分析，用当量圆柱蜗杆副的分析方法，得出阿基米德锥蜗杆副的装配条件。
At the same time, Archimedes gives an exact proof on the formula of area of circle, with the method of exhaustion method depending on the Cyclotomic.
刘徽之前，希腊的阿基米德用穷竭法也证明了圆的面积公式。
Separate method: Archimedes spiral centrifugal force. Double spiral is more advantageous to part liquid dreg and not easy to block.
分离方式：采用阿基米德螺旋离心分离，双螺旋更利于渣液分离，不易堵塞。
Separate method: Archimedes spiral centrifugal force. Double spiral is more advantageous to part liquid dreg and not easy to block.
分离方式：采用阿基米德螺旋离心分离，双螺旋更利于渣液分离，不易堵塞。
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