Humanity has been harvesting energy from the wind for centuries. The practice goes back at least to 8th century Persia where the first known historical records of windmills came, but likely extends ...

DEC and China General Certification sign a strategic agreement on establishing a work group for research, development and application of the impellers on Oct 18. [Photo/DEC] Dongfang Electric ...

Wind generation system is becoming increasingly important as renewable energy sources due to its advantages such as low maintenance requirement and mainly it does not cause environmental contamination ...