Gas reactors require enrichments in the order of up to 20%. So we need to fabricate the uranium into pellets which are clad in zirconium tubes which are placed into the reactor core.
Other options include stoves that run on propane gas or pellets, or reflect solar radiation onto a cooking vessel.
其它选项包括使用丙烷气或木球，或将太阳能辐射反射到烹饪器皿上。
3
Spherical pellet shape also makes a positive contribution during the drying process which functions due to the differential partial pressure of the water vapor between the pellets and the drying gas.