Идея термоса.
The inventor of the thermos flask was British chemist and physicist James Duvall in 1892, hence it is also known as the Duvall flask. The concept of a thermos bottle is simple: the bottle has an inner wall and an outer wall; There is a vacuum between the two walls. Thermal conduction and convection cannot […]
Разница между охлаждающей чашкой и чашкой-термосом
The core insulation principle of the cooling cup and the insulation cup is completely the same, both using a vacuum layer for insulation to delay temperature changes, but the design details and marketing focus are different. 1. Essence and Principle Both use vacuum insulation technology to maintain the temperature of the contents by blocking […]
