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Energy density (Energydensity) refers to the amount of energy stored in a unit of a certain space or mass matter. The energy density of a battery is the electric energy released by the average unit volume or mass of the battery. The energy density of a battery is generally divided into two dimensions: weight energy density and volume energy density. Battery weight energy density = battery capacity...
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Smart Shopping Cart is a shopping cart equipped with an electric motor and navigational controls. It includes a seat (often equipped with an occupant seat switch activating movement of the motorized shopping cart from the occupant's weight) thereby also making it a motorized wheelchair, and it has a rechargeable battery that can be charged by plugging in the device when not in use in order t...
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Awakening of Insects (one of the 24 Solar Terms) occurs this year on March 5 and is known as 'Awakening of Insects' according to the Chinese Lunar calendar. It is the time when life begins to stir from dormancy. The Awakening of Insects is an extremely important time for farmers and is widely seen as the beginning of the busiest time for agricultural work.During this period, most parts of Ch...
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