In this paper, the principles and ways are expounded on sealing metal cans with reference to dynamics material study and shaping theory.

本文从力学、材料学、成形理论多方面论述了金属罐头的封口原理与方法。

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Tightsen piping thread sealants are used for sealing metal pipes and fittings, prevent leakage and rust. Seal instantly, for on-line low pressure testing.

泰盛管螺纹密封剂系列产品可用于管路螺纹密封，无渗漏、不锈死，有即时密封能力。

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The surface treatment of the sealing metal is researched, especially the dispensation of sealing glass on the metal and the thickness of the sealing glass.

对封接金属的表面处理工艺进行了研究，特别是封接金属上的封接玻璃的配方及玻璃厚度进行了研究。

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In 1998, Lawrence Berkeley National Laboratory physicists Max Sherman and Lain Walker tested a variety of sealing materials on sheet metal ducting, then heated and cooled the ducts to simulate the aging process.

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As the bacteria responsible for the tooth decay are sealed in, and deprived of nutrients, the act of sealing the decaying tooth with the metal cap should prevent the decay from spreading, at least until the baby tooth is shed at around 10 years of age.

BBC: Children could be spared dentists' drill