Found outside Baghdad, Iraq in 1936, the Baghdad Battery is a small clay jar containing an iron rod suspended in a copper cylinder which is soldered shut and sealed with asphalt.
Based on the single axial compression of sintered ironcylinder specimens, the rationality and applicability of generalized yield criterion are validated for sintered powder metallurgy materials.
通过烧结铁圆柱试样单向压缩试验，验证了粉末冶金烧结材料广义塑性屈服条件的合理性和适用性。
3
The water treatment agent ferrate is prepared by electrolysis in diaphragm bath with double cathode chamber and porous cylinder cast iron anode.