Calorimeter routine maintenance and maintenance knowledge

Calorimeter is an instrument for measuring the calorific value of solid and liquid flammable substances. It is widely used in coal, power, metallurgy, chemical industry, building materials, food, quality inspection, education, scientific research and other industries to test the heat of co

Continue Reading

New visitor system smart cloud visitor system

Visiting relatives and friends is an indispensable social activity in our daily life. Especially during the holidays, relatives and friends will move around more frequently. In modern life, when we visit others as a visitor, we usually need to register at the entrance of the community or the guard

Continue Reading

Common pyroxene (Augite)

Ca(Mg, Fe 2+ , Fe 3+ , Ti, Al)[(Si,Al) 2 O 6 ] [Chemical composition] The amount of Al-substituted Si in ordinary pyroxene is slightly larger, and most of them exceed 5%. Some people think that Al-generation Si can reach 1/8 to 1/2. In addition, Ti 4+ and Fe 3+ are also present instead of Si. The

Continue Reading

Brand consensus of HD recorders

I. Overview Chunyuan Liying WHD series HD recorders have been on the market for nearly ten years, and nearly 30 models have been launched, including video conference recorders, local conference recorders, and endoscopic laparoscopic medical surgery recording and broadcasting. Recording and broadc

Continue Reading