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1. Ways of heat dissipation The main ways of heat loss are heat conduction, heat radiation, and heat convection. Thermal conduction refers to the transfer of heat from a high-temperature
Thermos, also known as hot water bottle, is a masterpiece of British scientist Duval, but it was named by German glassmaker Reinhold Berg. The design of the thermos bottle is
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1. Identification of insulation properties of the inner liner This is the main technical indicator of a thermos cup. After filling it with boiling water, tighten the bottle stopper or
In daily life, almost all the thermos cups we use are labeled with numbers such as 304, 316, 18/8, but most people do not know the meaning of these numbers.
The testing methods for insulated cups mainly include insulation performance testing, sealing inspection, material verification, and impact resistance evaluation. The core methods are temperature change measurement and inverted water leakage
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