Bearing and shaft assembly technology method
TechToday (06-09)
Bearings are components used to support and also support parts that rotate on the shaft. The types of bearings are divided according to friction properties: there are slid...
In the electronics industry, aluminium nitride ceramics are widely used
Industry29Days Ago (05-11)
Trunnano is a professional manufacturer of boron nitride, aluminium nitride and boron nitride powder. It is very authoritative in the production of aluminium nitride. The ...
How To Make Foam Concrete Using Foaming Agent
Industry61Days Ago (04-09)
Air, nitrogen, carbon dioxide, or oxygen is introduced into the concrete slurry, and then it is foamed by physical or chemical methods. Finally, it is cured and made into ...
Qantas Grounded All International Flights About The Short-Term Unemployed People
News69Days Ago (04-01)
It is reported that two-thirds of employees will temporarily leave their jobs from the end of March to the end of May, which means that about 20.000 people will be tempora...
Precautions for the preparation of colloidal gold and its application
Tech78Days Ago (03-23)
Gold Colloidal Solution has a very high dynamic stability. When the stability factor is not damaged, it will condense very slowly. It can be left for several years without...