added type for 0K nuclides
added type for 0K nuclides

amandalund/openmc,sxds/opemmc,johnnyliu27/openmc,johnnyliu27/openmc,shenqicang/openmc,liangjg/openmc,walshjon/openmc,liangjg/openmc,amandalund/openmc,bhermanmit/openmc,mit-crpg/openmc,lilulu/openmc,wbinventor/openmc,sxds/opemmc,amandalund/openmc,walshjon/openmc,liangjg/openmc,liangjg/openmc,paulromano/openmc,bhermanmit/openmc,nhorelik/openmc,paulromano/openmc,samuelshaner/openmc,lilulu/openmc,paulromano/openmc,samuelshaner/openmc,shenqicang/openmc,johnnyliu27/openmc,wbinventor/openmc,kellyrowland/openmc,mjlong/openmc,shikhar413/openmc,walshjon/openmc,smharper/openmc,kellyrowland/openmc,samuelshaner/openmc,lilulu/openmc,wbinventor/openmc,mit-crpg/openmc,smharper/openmc,samuelshaner/openmc,walshjon/openmc,mjlong/openmc,nhorelik/openmc,shikhar413/openmc,shikhar413/openmc,mit-crpg/openmc,smharper/openmc,smharper/openmc,paulromano/openmc,wbinventor/openmc,shikhar413/openmc,amandalund/openmc,mit-crpg/openmc,johnnyliu27/openmc