fissionable materials

См. также в других словарях:

• Materials MASINT — Intelligence Cycle Management Collection Management MASINT Electro optical MASINT Nuclear MASINT Geophysical MASINT Radar MASINT Materials MASINT Radiofrequency MASINT Materials MASINT is one of the six major disciplines generally accepted to… …   Wikipedia

• Fissionable material —   A substance whose atoms can be split by slow neutrons. Uranium 235, plutonium 239 and uranium 233 are fissionable materials.   California Energy Comission. Dictionary of Energy Terms …   Energy terms

• List of fictional elements, materials, isotopes and atomic particles — This list contains chemical elements, materials, isotopes or (sub)atomic particle that exist primarily in works of fiction (usually fantasy or science fiction). No actual periodic elements end in ite , though many minerals have names with this… …   Wikipedia

• Nuclear fuel —   Fissionable materials that have been enriched to such a composition that, when placed in a nuclear reactor, will support a self sustaining fission chain reaction, producing heat in a controlled manner for process use.   U.S. Dept. of Energy,… …   Energy terms

• nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei. [1945 50] * * * or atomic weapon or thermonuclear weapon Bomb or other warhead that derives its force …   Universalium

• Fissile — In nuclear engineering, a fissile material is one that is capable of sustaining a chain reaction of nuclear fission. All known fissile materials are capable of sustaining a chain reaction in which either thermal or slow neutrons or fast neutrons… …   Wikipedia

• actinide element — ▪ chemical element group Introduction       any of a series of 15 consecutive chemical elements in the periodic table from actinium to lawrencium (atomic numbers 89–103). As a group they are significant largely because of their radioactivity.… …   Universalium

• atomic bomb — 1. a bomb whose potency is derived from nuclear fission of atoms of fissionable material with the consequent conversion of part of their mass into energy. 2. a bomb whose explosive force comes from a chain reaction based on nuclear fission in U… …   Universalium

• Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… …   Wikipedia

• Nuclear fusion-fission hybrid — Hybrid nuclear fusion fission (hybrid nuclear power) is a proposed means of generating power by use of a combination of nuclear fusion and fission processes. The concept dates to the 1950s, and was briefly advocated by Hans Bethe during the 1970s …   Wikipedia

• Dwight D. Eisenhower: Atoms for Peace — ▪ Primary Source              President Truman declared that the United States would undertake the development of a hydrogen bomb on January 31, 1950. On April 6, 1952, it was announced that the U.S. was already manufacturing such a bomb; on… …   Universalium