PROBLEM

GPHYSICS G21Nuclear engineering G21YINDEXING SCHEME RELATING TO NUCLEAR REACTORS, POWER PLANTS AND EXPLOSIVES, TO PROTECTION AGAINST RADIATION, TO THE TREATMENT OF RADIOACTIVELY CONTAMINATED MATERIAL, TO APPLICATIONS OF RADIOACTIVE SOURCES AND TO THE UTILISATION OF COSMIC RADIATION

G21Y2002/00PROBLEM

G21Y2002/10Shortcomings in materials G21Y2002/101Wear G21Y2002/102Embrittlement G21Y2002/103Corrosion G21Y2002/104Inadequate performance, deformation, cracks, rupture G21Y2002/20Operational shortcomings G21Y2002/201Inadequate efficiency G21Y2002/202Slowness of a process or function G21Y2002/203Lack of manoeuvrability G21Y2002/204Imprecision (measuring, positioning, guiding) G21Y2002/205Lack of Automation G21Y2002/206Insufficient reliability (durability) G21Y2002/207Abnormal conditions G21Y2002/208Risk of human error G21Y2002/30Design and construction shortcomings G21Y2002/301Heavy, bulky, cumbersome constructions, shape G21Y2002/302Fabricating, assembling, replacing, dismantling G21Y2002/303Risk of damage G21Y2002/304Lack of versatility, compatibility G21Y2002/305Inadequate transportation G21Y2002/306Non-compliance with regulations G21Y2002/40Maintenance shortcomings (Servicing) G21Y2002/401Inconvenient access G21Y2002/402Complicated assembling, disassembling, replacing, dismantling G21Y2002/50Safety, security and safeguard shortcomings G21Y2002/501Radiation exposure G21Y2002/502Lack of monitoring G21Y2002/60Disposal shortcomings G21Y2002/601Excess of irradiated inventory