*  Civil Engineering | Engineering profession | Aeronautical Engineering | Bio-chemical Engineering |Bio-Medical Engineering
... according to Coulomb's law The stable nuclei all have close to the lowest energy ratio of protons to neutron for their atomic ... Nuclear physics is the branch of physics concerned with the nucleus of the atom. It has three main aspects: probing the ... Glowing watch dials and gun sights (now) often contain tritium, whose decay triggers phosphorescence in a pigment on the dial. ... During World War II they often contained radium instead.. Nuclear Physics. ...
  http://www.admissionsinindia.com/courses/b-e-b-tech/
*  Neutron source - Wikipedia
1 neutron + 1H Some accelerator-based neutron generators induce fusion between beams of deuterium and/or tritium ions and metal ... Gamma radiation with an energy exceeding the neutron binding energy of a nucleus can eject a neutron (a photoneutron). Two ... nuclear reaction can be used to construct a neutron source by mixing a radioisotope that emits alpha particles such as radium, ... resolve atomic thermal motion and study collective excitations of nuclei more effectively than X-rays. A spallation source is a ...
  https://en.wikipedia.org/wiki/Neutron_source
*  Fukushima's Legacy: Understanding the Difference Between Nuclear Radiation & Contamination | Peak Prosperity
A typical example would be the capture of a neutron by a hydrogen nucleus consisting of a single proton, which is then ripped ... Alpha particles. These are fast moving nuclei of helium, meaning that they consist of two protons and two neutrons. The ... For our purposes, the isotopes most commonly associated with nuclear reactions are in the range of 19 KeV (tritium) to 600 KeV ... Common alpha emitters include radium, radon, polonium, uranium, and thorium.. Beta particles are electrons ejected during ...
  https://www.peakprosperity.com/blog/84656/fukushimas-legacy-understanding-difference-between-nuclear-radiation-contamination
*  Atom - Wikipedia
... causing a nucleus to split into two smaller nuclei-usually through radioactive decay. The nucleus can also be modified through ... one neutron (deuterium), two neutrons (tritium) and more than two neutrons. The known elements form a set of atomic numbers, ... such as radium from uranium), or else as products of natural energetic processes on Earth, such as cosmic ray bombardment (for ... Every atom is composed of a nucleus and one or more electrons bound to the nucleus. The nucleus is made of one or more protons ...
  https://en.wikipedia.org/wiki/Atom
*  Appendix A, The Basics of Radiation and Health, "KILLING OUR OWN", 1982
... including strontium 90 and tritium. *Neutron emissions occur when the nucleus of an atom is struck by a particle that causes ... The neutron trips a reaction within the fissionable nuclei that causes them to split apart, releasing large quantities of ... The curie (Ci) is so named to honor Marie Curie, who discovered radium. A curie refers to the amount of radioactivity in a gram ... In some cases beta particles are emitted from a nucleus when a neutron breaks down into a proton and electron. The proton stays ...
  https://ratical.org/radiation/KillingOurOwn/KOOappA.html
*  Tritium - Wikipedia
Tritium is also produced in heavy water-moderated reactors whenever a deuterium nucleus captures a neutron. This reaction has a ... Tritium has replaced radioluminescent paint containing radium in this application, which can cause bone cancer and has been ... though still small compared to the total number of nuclei in the pit. Before detonation, a few grams of tritium-deuterium gas ... The tritium nucleus, containing one proton and two neutrons, has the same charge as the nucleus of ordinary hydrogen, and it ...
  https://en.wikipedia.org/wiki/Tritium
*  Nuclear and Radiation Glossary - Canadian Nuclear Safety Commission
neutron). neutron capture: A type of nuclear reaction in which an atomic nucleus absorbs a free neutron and they merge to form ... Tritium is a radioactive isotope of hydrogen having two neutrons and one proton in its nucleus; hydrogen, by comparison, has ... alpha particles: Positively charged particles consisting of two protons and two neutrons that are emitted by the nuclei of ... Radon is a colorless, odorless, tasteless, naturally occurring, radioactive noble gas that is formed from the decay of radium. ...
  http://nuclearsafety.gc.ca/eng/resources/radiation/introduction-to-radiation/nuclear-and-radiation-glossary.cfm
*  Isotope - Wikipedia
... and even-proton-odd-neutron nuclides. Odd-proton-odd-neutron nuclei are the least common. The 148 even-proton, even-neutron (EE ... A nuclide is a species of an atom with a specific number of protons and neutrons in the nucleus, for example carbon-13 with 6 ... This is most pronounced by far for protium (1 H ), deuterium (2 H ), and tritium (3 H ), because deuterium has twice the mass ... For example, Soddy had shown in 1910 that mesothorium (later shown to be 228Ra), radium (226Ra, the longest-lived isotope), and ...
  https://en.wikipedia.org/wiki/Isotope
*  Nuclear technology - Wikipedia
When a neutron is captured by a suitable nucleus, fission may occur immediately, or the nucleus may persist in an unstable ... radioluminescence tritium illumination: Tritium is used with phosphor in rifle sights to increase nighttime firing accuracy. ... Fast neutrons are not easily captured by nuclei; they must be slowed (slow neutrons), generally by collision with the nuclei of ... In the process, they isolated the element radium, which is highly radioactive. They discovered that radioactive materials ...
  https://en.wikipedia.org/wiki/Nuclear_technology
*  Beta decay - Wikipedia
... atomic nuclei also contained an extremely light neutral particle, which he called the neutron. He suggested that this "neutron ... In electron capture, an inner atomic electron is captured by a proton in the nucleus, transforming it into a neutron, and an ... ISBN 978-3-7643-5313-1. Chadwick, J. (1914). "Intensitätsverteilung im magnetischen Spektren der β-Strahlen von Radium B + C". ... Neutrino Betavoltaics Particle radiation Radionuclide Tritium illumination, a form of fluorescent lighting powered by beta ...
  https://en.wikipedia.org/wiki/Beta_decay
*  Helium - Wikipedia
... the alpha particles that emerge are fully ionized helium-4 nuclei. Helium-4 is an unusually stable nucleus because its nucleons ... Radium. Actinium. Thorium. Protactinium. Uranium. Neptunium. Plutonium. Americium. Curium. Berkelium. Californium. Einsteinium ... Novick, Aaron (1947). "Half-Life of Tritium". Physical Review. 72 (10): 972-972. Bibcode:1947PhRv...72..972N. doi:10.1103/ ... Henshaw, D. B. (1958). "Structure of Solid Helium by Neutron Diffraction". Physical Review Letters. 109 (2): 328-330. Bibcode: ...
  https://en.wikipedia.org/wiki/Helium
*  Fallout
Tritium Leak at Brookhaven National Laboratory, New York -tritium is an isotope of hydrogen and a neutron emitter which can ... But there is also another possibility: capture of a very high-energy neutron..can cause the U-238 nucleus to fission like U-235 ... Robley Evans, of CalTech and MIT, did Radium ingestion studies and extensive follow-up in the case of the Radium Dial Painters ... To make deuterium nuclei fuse..they must be heated to about 100 million degrees Fahrenheit. Such energy can be provided by the ...
  https://polioforever.wordpress.com/fallout/
*  Basic Physics of Nuclear Medicine/Atomic & Nuclear Structure - Wikibooks, open books for an open world
Classification of Nuclei[edit]. The term Atomic Number is defined in nuclear physics as the number of protons in a nucleus and ... a second isotope consisting of a nucleus containing a proton and a neutron orbited by one electron, ... The third isotope commonly called tritium is identified as:. 1. 3. H. {\displaystyle {}_{1}^{3}\mathbf {H} }. The same ... Marie and Pierre Curie and the Discovery of Polonium and Radium - an historical essay from The Nobel Foundation. ...
  https://en.wikibooks.org/wiki/Basic_Physics_of_Nuclear_Medicine/Atomic_%26_Nuclear_Structure
*  Nuclear fuel cycle - Wikipedia
The atomic nucleus of U-235 will nearly always fission when struck by a free neutron, and the isotope is therefore said to be a ... Radium's longest lived isotope, at 1,600 years, thus merits the element's inclusion here. Specifically from thermal neutron ... In addition to the emission of iodine the noble gases and tritium are released from the fuel when it is dissolved. It has been ... Fissile nuclei, like Uranium-235, Plutonium-239 and Uranium-233 respond well to delayed neutrons and are thus important to keep ...
  https://en.wikipedia.org/wiki/Nuclear_fuel_cycle
*  Ernest Rutherford facts, information, pictures | Encyclopedia.com articles about Ernest Rutherford
But did the alpha merely bounce off the target nucleus, which then emitted a proton, or did it combine with this nucleus? While ... using Rutherford's value for radium's half-life and their figure for the amount of radium in a gram of uranium, was able to ... of the existence of the neutron. Rutherford had long considered the neutron a possibility and in his 1920 Bakerian lecture to ... With its charge of +2, the alpha particle was too strongly repelled by the large numbers of positive charges on the nuclei of ...
  https://www.encyclopedia.com/people/history/british-and-irish-history-biographies/ernest-rutherford
*  Isotopes of plutonium - Wikipedia
While nuclear fuel is being used in a reactor, a Pu-241 nucleus is much more likely to fission or to capture a neutron than to ... Radium's longest lived isotope, at 1,600 years, thus merits the element's inclusion here. Specifically from thermal neutron ... Pu-239 and Pu-241 are fissile, meaning that the nuclei of its atoms can break apart by being bombarded by slow moving thermal ... which is enough to start deuterium-tritium fusion, the resulting burst of neutrons will fission enough plutonium to ensure a ...
  https://en.wikipedia.org/wiki/Isotopes_of_plutonium
*  In the Beginning: Compelling Evidence for Creation and the Flood - References and Notes
Either the large nucleus splits after being bombarded by another particle, such as a neutron, or the nucleus splits ... radium-221, radium-222, radium-223, actinium-223, radium-224, actinium-225, and radium-226. ... For example, uranium has 92 protons and most uranium nuclei have 146 neutrons.) Therefore, a powerfully vibrating heavy nucleus ... How is 3He produced? Nuclear reactions first produce 3H (tritium), either as a rare fission product, or in one of the following ...
  https://creationscience.com/onlinebook/Radioactivity7.html
*  elements | History Rundown
However, many atomic nuclei are much larger than 2.5 fm in diameter; Uranium-238 nucleus is around 15 fm in size, and each ... tritium with one more neutron). That is utterly ephemeral. Ununoctium 294's 0.001 second half-life value is 3 magnitudes more ... Radium 226 - 1,602 years, binding energy 7.66195 MeV. *Berkelium 247 - 1380 years, binding energy 7.498936 MeV ... It is caused when a nucleus has unstable neutron-proton ratio (based on Pauli exclusion principle). It has two variations, β- ...
  http://www.historyrundown.com/tag/elements/
*  NOTES: Class IX, CHEMISTRY, "Atomic Structure"
It has one proton and one neutron in its nucleus. It has one electron revolving around its nucleus. It is denoted by symbol D. ... Tritium. Radioactive hydrogen is called tritium. It is denoted by symbol T. The number of tritium isotope is one in ten ... 1. They are helium nuclei. They are doubly positively charged, He2+.. 2. They move with speed equal to the 1/10th of the ... The elements which omit these rays are called radioactive elements like Uranium, Thorium, Radium etc. There are about 40 ...
  http://all-notes.blogspot.com/2011/06/class-ix-chemistry-atomic-structure.html
*  NOTES: 06/01/2011 - 07/01/2011
It has one proton and one neutron in its nucleus. It has one electron revolving around its nucleus. It is denoted by symbol D. ... Tritium. Radioactive hydrogen is called tritium. It is denoted by symbol T. The number of tritium isotope is one in ten ... Radium. Properties of Group II. 1. They are mono atomic.. 2. They exist in solid state.. 3. Outer most shell of these elements ... 1. They are helium nuclei. They are doubly positively charged, He2+.. 2. They move with speed equal to the 1/10th of the ...
  http://all-notes.blogspot.com/2011/06/
*  Nuclear Power Education
Neutron capture is a term used for the scenario where a neutron comes close to a nucleus (in this case uranium) and the nucleus ... Further neutron captures on this element lead to a buildup of long-lived transuranic nuclei. However 239Pu is also fertile and ... These devices use the powerful neutrons from a Deuterium-Tritium plasma to drive nuclear transmutation. In some respects this ... radium and thorium which are present in rocks, soil and water), internal radionuclides (most common is potassium-40 which emits ...
  http://nuclearinfo.net/Nuclearpower/OneCompletePage?sortcol=0&table=11&up=0
*  Basic Nuclear Concepts - PDF
... we present a basic description of atomic nuclei, the stored energy contained within them, their occurrence and stability Basic ... Neutron nucleus 0 1 amu c. Electron orbits - 0 amu 2. Topics 1. Structure of the atom a. Proton nucleus + 1 amu b. Neutron ... The mass of a nucleus Energy generation in stars which nuclei are stable which nuclei exist in principle 1 SOHO, 171A Fe ... FUSION NEUTRON DEUTERIUM HELIUM TRITIUM. FUSION AND FISSION THE SUN Every second, the sun converts 500 million metric tons of ...
  http://docplayer.net/21183892-Basic-nuclear-concepts.html
*  Chicago Pile-1 - Wikipedia
A radium-beryllium neutron source was positioned near the bottom. The uranium oxide was heated to remove moisture, and packed ... Surveys conducted in the 1980s found strontium-90 in the soil at Plot M, trace amounts of tritium in nearby wells, and ... and thereby make them more likely to be captured by uranium nuclei, causing the uranium to fission.[25][26] Szilard suggested ... Today the average number of neutrons emitted per fissioning uranium-235 nucleus is known to be about 2.4).[30] ...
  https://en.m.wikipedia.org/wiki/Chicago_Pile-1
*  Chicago Pile-1 - Wikipedia
A radium-beryllium neutron source was positioned near the bottom. The uranium oxide was heated to remove moisture, and packed ... Surveys conducted in the 1980s found strontium-90 in the soil at Plot M, trace amounts of tritium in nearby wells, and ... Fermi estimated that a fissioning uranium nucleus produced 1.73 neutrons on average. It was enough, but a careful design was ... and thereby make them more likely to be captured by uranium nuclei, causing the uranium to fission. Szilard suggested to Fermi ...
  https://en.wikipedia.org/wiki/Chicago_Pile-1