natural fuel
3.After 30 years of efforts, North Korea has built six nuclear research centers, two research reactor, six uranium deposits, the three uranium dioxide conversion plant, a natural uranium fuel element factory, a nuclear test reactor and a nuclear waste storage site, the domestic proven recoverable uranium reserves amounted to 4 million tons, basically built from uranium mining to nuclear waste disposal of the nuclear fuel cycle system.
4.EXPERIMENTAL INVESTIGATION ON MODIFICATION OF THE WZ-6 AEROENGINE TO USE NATURAL GAS AS FUEL

