1. Advice on friendship
We all need friends. Without friends we may feel empty and sad.……P314
2. Business and risks
Mars once quoted a famous saying in his work capitalism, ……P311
3. Closed loop operation of power grid
The closed loop operation of power grid refers to the mode of connecting the substations or transformers ……P303
4. Electricity
Electricity may be dangerous. It always takes the shortest way to the ground. ……P312
5. Feature of power generation
The simultaneousness of the electric power generation means that the electric power generation,……P302
6. Grounding of electric equipment
Connecting electric equipment with a grounded conductor in the earth is called grounding.……P305
7. Heat treatment
The purpose of post-weld heat treatment is: to diminish the residual stress in the welded joints;……P310
8. Hydraulic structure
The selected type of dam of hydraulic power plant depends principally on topographic ……P310
9. Optical fiber communication
Optical fiber communication is a kind information by optical fiber.……P306
10. Paper
Do you know the key to the following question?……P313
11. Power plant
According to the mode of energy conversion, power plants can be classified
into fossil-fired,……P307
12. Selection of metal material for the boiler in units of 1 000MW grade
Taking a general view of the 1 000MW high-efficiency supercritical unit designed and made in China,……P308
13. Types of circuit breaker
The high voltage circuit breaker is mainly composed of contactors,……P304
14. The role of the condenser
The condenser is a surface heat exchange in which cooling water passing through the tubers ……P308
15. Undersea
The undersea world is very mysterious. In the daytime, there is enough light. ……P313
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