O testador de atrito e desgaste de alta frequência é um instrumento de teste usado para estudar as propriedades de atrito de materiais ou revestimentos de superfície. A máquina de teste de atrito e desgaste alternativo de alta frequência pode detectar o desempenho de atrito e desgaste de materiais ou revestimentos sob condições de movimento alternativo. A máquina de teste alternativo de fricção e desgaste de alta frequência pode detectar dinamicamente a força de fricção, força de teste e cond... consulte Mais informação
Have you ever woken up in the morning to your annoying alarm and then walked all the way to the kitchen just to go through the effort of pouring your on drink. Well look no further! This instructable will teach you how to make a machine that can not only tell you the temperature, it will also pour you a drink just like one of those soda machines you see in fast food restaurants! This machine consists of several parts that are comparable with an Arduino and this project does require you to have ... consulte Mais informação
Molecular pump Molecular pump is a kind of vacuum pump which uses the high-speed rotating rotor to transfer momentum to the gas molecules to obtain the directional speed, so that it is compressed, driven to the exhaust port and then pumped out for the front stage. Common molecular pumps 1) The gas molecules of the traction molecular pump collide with the high-speed rotor to obtain momentum, which is driven to the outlet of the pump. 2) The turbomolecular pump relie... consulte Mais informação
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