New energy power car - new energy car battery

1. New energy vehicle battery type

From the perspective of the development of new energy vehicles around the world, its power sources mainly include lithium-ion batteries, nickel-hydrogen batteries, fuel cells, lead-acid batteries, and supercapacitors…

Analysis of China's instrumentation industry development strategy

The research report on the development of China's instrumentation industry in the strategic objectives proposed that within 5 to 10 years, in the instrumentation and all major areas, nurture and develop a total of not less than 30 with comprehensive streng

Introduction to the urban major emergency rescue system

China has a vast territory, many mountainous areas, and the environment is more complicated. In recent years, abnormal weather such as typhoons and heavy rainfall frequently occur, and the economic losses and casualties caused by bad natural disasters are not optimistic every year. In order t

How does the roller crusher work?

Figure 2-10 shows the structure and working principle of the roller crusher . The roller 1 is mounted on a fixed bearing 4 on the frame 3, and the roller 2 is supported by a movable bearing 4'. The two rollers are respectively driven by two motors and ar