EntityQ1622414· pop 17· linked from 282 articlespebble bed reactorSign in to savegraphite-moderated, gas-cooled nuclear reactorConnectionshigh-temperature gas-cooled reactorEntitybreeder reactorEntitycaesium-137Entitystrontium-90EntityAPR-1400EntityCPR-1000EntityChinaCountryNetherlandsConceptSouth AfricaCountrywaterEntityheliumEntitynitrogenEntityuraniumEntityInternational Standard Book NumberEntitycobaltEntitystrontiumEntitycaesiumEntityplutoniumEntitycarbon dioxideEntitythoriumEntityCategoriesNuclear power reactor typesPebble bed reactors