Tag: energy

Reduce friction and wear, reduce frictional resistance, save energy , reduce wear, prolong mechanical life, and improve economic benefits;Cooling, friction heat should be discharged...

Electricity from power plants cannot be stored. In the power system , electrical energy is not stored, and the production, transmission, distribution and use...

Hydrogen is not toxic. Hydrogen is an industrial reagent. However, hydrogen has special properties. If the hydrogen content in the air is high, it...

Naphtha is not a refined oil , it is processed and called distillate in refineries, a distillate of petroleum . In general, it cannot...

On August 4, the euro and the dollar were temporarily reported at 1.0615, down slightly, or 0.04%. The euro was unchanged at $ 1.0165...

Strategic oil reserves refer to one of the effective ways to deal with short-term oil supply shocks (large-scale reductions or interruptions). It serves national...

On August 4, today Thursday, the GBPUSD opened at 1.1243, and temporarily reported 1.2165. UBS strategists believe that both the euro zone and the...

High-calorie coal means that burning coal produces more energy, which reflects the heat released when coal is burned, that is, the calorific value index...

foreword If you are a novice in the encryption world and can't start with many concepts, then you are welcome, you are in the right...

The types of refined oil include fuel oil , kerosene , petroleum asphalt , petroleum coke , gasoline , diesel oil , lubricating oil...

Petroleum is a chemical energy , and belongs to one-time energy and non- renewable energy . Petroleum is a viscous dark brown liquid known...

Petroleum is one of the most widely used natural resources. As the most important resource on earth, there are two theories about the formation...