The rotor is externally mounted and embedded permanent magnet placed into the groove. By adjusting the width, tip angle, ratio dimension and skew angle of the PMs optimize the magnetic flux flow ...

The propulsion is likely powered by diesel engines, with two bow thrusters for improved manoeuvrability. According to KCNA, the "Choe Hyon-class" ship was named after anti-Japanese revolutionary ...

Languages used at home data is based on place of usual residence Households where a non-English language is used is based on place of enumeration Note 1: Calculated percentages represent a proportion ...

Shipping is a very important part of the global economy. But some of the most direct shipping routes are covered in ice for part of the year. Ice, as history has taught us, is one of the major ...