PHYSICS URANIUM NUCLEAR ENERGY WORLD NUCLEAR ASSOCIATION JAVASCRIPT NUCLEAR BASICS INFORMATION LIBRARY FACTS COUNTRY PROFILES NUCLEAR FUEL CYCLE INTRODUCTION URANIUM RESOURCES MINING OF URANIUM CONVERSION ENRICHMENT NUCLEAR POWER FUEL RECYCLING WASTES TRANSPORT SAFETY SECURITY PLANTS RADIATION HEALTH APPLICATIONS INDUSTRY CURRENT FUTURE GENERATION ENERGY AND THE ENVIRONMENT ECONOMIC ASSOCIATION WHO WE ARE WHAT WE DO MEMBERSHIP PUBLICATIONS PRESS PRESS STATEMENTS EVENTS GALLERY SHOP MEMBER LOGIN NUCLEAR FISSION PROCESS RADIOACTIVE DECAY FISSION PRODUCTS TRANSURANIC ELEMENTS REACTOR YIELD HEAT FISSION MODERATED INCREASE BREED LIGHT WATER ENRICHED URANIUM ISOTOPE SEPARATION URANIUM ENRICHMENT PHYSICAL NEUTRONS MOTION STARTING POINT EVERYTHING THAT HAPPENS NEUTRON HEAVY EXAMPLE CAPTURED NUCLEUS CAPTURE ADDITION COMPOUND NUCLEUS SIMPLE FORMATION DECAY NUCLIDE EMISSION BETA PARTICLE CERTAIN CASES INITIAL WHETHER TAKES INDEED AT ALL DEPENDS VELOCITY THE PASSING PARTICULAR INVOLVED ABLE CAUSE ISOTOPES OF URANIUM PLUTONIUM WHOSE ODD NUMBERS THERMAL EVEN NUMBER THE INCIDENT ENERGY ABOVE ONE MILLION ELECTRON VOLTS CATEGORY MOVE THE SPEED OF LIGHT EIGHT TIMES THE SPEED OF SOUND NOTE SCALES SAID TO THERMAL ENERGY DOWN BE IN THERMAL EQUILIBRIUM SURROUNDINGS KINETIC ENERGY SIMILAR POSSESSED ATOMS RANDOM THERMAL MOTION HENCE APPLICATION TODAY THERMAL REACTORS MODERATOR SLOW COMMON LIGHT WATER REACTORS PRESSURISED BOILING WATER REACTORS FISSILE ARTIFICIALLY FERTILE THE ONLY NATURALLY OCCURRING ISOTOPE PRESENT NATURAL URANIUM CONCENTRATION PROBABILITY REACTION AREA THE TARGET INCOMING MUST PASS THE REACTION LIKELIHOOD INTERACTION ODD NUMBER ENERGIES PREVIOUSLY TRAVELLING QUICKLY THE FUEL THEREFORE REDUCED HIGH NEUTRON ENERGIES VALUE POSSIBLE FAST FISSION FAST NEUTRON REACTOR DESIGN MODERATION SECTION THE PROCESS THERMAL REACTOR TOTAL ENERGY THE COMPOUND BREAK FRAGMENTS HALF THE MIDDLE THE PERIODIC TABLE NATURE LEADS HUNDRED CREATION ALMOST NUMBER OF NEUTRONS AVERAGE THE CHAIN REACTION BERYLLIUM MIXED RADIUM ALPHA PARTICLES THE DECAY RELEASE AS IT THE ENERGY SOLID FUEL TRAVEL MICROSCOPIC CONVERTED THE BALANCE COMES GAMMA RAYS IMMEDIATELY PROMPT NEUTRONS PROPORTION DELAYED NEUTRON GROUP FACTOR ENABLING CHAIN SYSTEM PRECISELY CRITICALITY THE CHAIN SUCH THAT REMAINS SUM OF CAUSING LEAKING CIRCUMSTANCES THE POWER THE SYSTEM RAISE CHANGED CONTROL SYSTEM RATE POWER GENERATION USED TO DESIRED NEW POWER LEVEL ATTAINED EVENT GOVERNED STATISTICAL PROBABILITY BREAK UP CANNOT CONSERVATION LAWS TOTAL NUMBER FISSION REACTION ATOMIC MASSES LOSS ATOMIC MASS EQUIVALENT BARIUM KRYPTON ISOTOPES SUBSEQUENTLY STABLE ISOTOPES NEODYMIUM ELECTRONS BETA DECAYS GAMMA RADIOACTIVITY BINDING ENERGY ATOMIC NUCLEUS CONTRASTS ATOM CARBON BURNED FOSSIL AVAILABLE ENERGY CONSISTING OF VALUES PLUS DELAYED THE HEAT REACTOR CORE NEUTRON CAPTURE SHUT DOWN HEAT GENERATION NEED PUBLICLY FUKUSHIMA ACCIDENT COOLING HOUR SHUTDOWN DECAY HEAT DECREASING ACTIVATION PRODUCTS MECHANISM RESULTANT STABLE ALPHA BETA PARTICLES URANIUM ISOTOPES ACTINIDES BEYOND THE MAJOR ELEMENT MATERIAL THE CREATION EMITS TURN LESS BETA DECAY HEART HOUSEHOLD SMOKE DETECTORS ALREADY THE SAME WAY THE OTHER MAIN SOURCE LEFT THE MASSES ATOMIC MASS UNITS DIFFERENCE RESULTS THREE TIMES THE FORMATION OF FAST REACTOR AT 2 SUITED THE FAST NEUTRON SPECTRUM ISOTOPES OF PLUTONIUM THE LAST THREE SCALE REASON NEEDS DISPOSAL THE FEW THOUSAND MIGHT BE NECESSARY APART IMPACT PARTICULARLY STEEL COMPONENTS EXPOSED RANGE TRITIUM RADIOISOTOPES CREATE DEMOLITION AFFECT EXTENT MATERIALS FAST THE CORE LEAK BLANKET MINOR FRACTION SUBJECT TO REACHING ORIGINAL SUBJECT THUS BREEDING HEAT TRANSFER MEDIUM MINIMAL LIQUID METALS UP TO 100 TIMES EFFICIENT CONVERTING FERTILE MATERIAL ORDINARY THE ARRANGEMENT ADVANTAGE FACT YIELDS SPLIT RATHER CROSS SMALLER THE CONVERSION RATIO NORMAL EXCEED BREEDERS FISSILE MATERIAL BURNERS DISPOSE BURNER SIMPLY CORE SHAPE FUTURE BREEDER REACTOR FAST BREEDER REACTOR DEVELOPMENT MAJOR TECHNICAL PROBLEMS DESIGNS COMPETITIVE EXISTING ASPECT ECONOMICS LIES UNLESS SHOWS CONTEMPORARY COSTS LITTLE BENEFIT TYPE POINT DRIVEN 1980S 1990S RECOGNITION OF ABUNDANCE GEOLOGICAL RESOURCES PRICE STRONG NEGATIVE TEMPERATURE TEMPERATURE RISES INHERENT SAFETY BASIS AUTOMATIC COOLANT INTEREST POTENTIAL ROLES BURNING LIGHT WATER REACTOR SECONDLY ROLE THIRDLY FULLER TECHNOLOGY WORLD ENERGY CONTROL OR 3 SUSTAIN REGION CONTROL RODS OUTPUT BORON CADMIUM POSITION AVAILABLE ONGOING UNITY CRITICAL ABILITY PRESENCE DELAYED NEUTRONS CHANGE BALANCE LEAD VIRTUALLY INSTANTANEOUS RISE FALL IN RELEVANT SAFE OPERATION STRICT LIMITS DEPARTURES OVERALL NEUTRON ABSORPTION HAS TO CHANGES THE CONSTANT BOMBARDMENT SHOULD EFFECTIVELY FRESH POISONS THE EFFECT CAUSED COMPRISING RODS SLOW DOWN ELASTIC COLLISIONS COLLISIONS BILLIARD BALLS ATOMIC SCALE NATURAL SUITABLE GRAPHITE HEAVY WATER REMOVE FEATURES AMOUNT COOLING WATER BUILD UP EMERGENCY PROVISION ADDING QUANTITY COMMERCIAL POWER VOID THE SIGNIFICANCE OF THIS IS THAT REDUCE 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