Austrian archeologist Wilhelm König's description of the find, translated into English, included: In a vase-like container of bright yellow clay, the neck of which had been removed, a copper cylinder was stuck, held in place by asphalt. The vase was about 15cm high; the cylindrical tube with a closed bottom made from sheet copper had a diameter of 26 mm and a height of 9 cm. In the latter a completely oxidized rod of iron was found, held in place by a sort of stopper of asphal. [pdf]
This chapter introduces the definition of energy storage and the development process of energy storage at home and abroad. It also analyzes the demand for energy storage in consideration of likely problems in t. [pdf]
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