Download or read book Technology Review written by and published by . This book was released on 1990 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Fusion Energy Update written by and published by . This book was released on 1978 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1985 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Hearings on National Defense Authorization Act for Fiscal Year 1996 S 1124 H R 1530 and Oversight of Previously Authorized Programs Before the Committee on National Security House of Representatives One Hundred Fourth Congress First Session written by United States. Congress. House. Committee on National Security. Subcommittee on Military Procurement and published by . This book was released on 1996 with total page 1286 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Department of Defense Authorization for Appropriations for Fiscal Year 1996 and the Future Years Defense Program Military posture written by United States. Congress. Senate. Committee on Armed Services and published by . This book was released on 1999 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Proceedings of the Second Topical Meeting on the Technology of Controlled Nuclear Fusion written by and published by . This book was released on 1976 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Hearings on National Defense Authorization Act for Fiscal Year 1990 H R 2461 Before the Committee on Armed Services House of Representatives One Hundred First Congress First Session written by United States. Congress. House. Committee on Armed Services. Procurement and Military Nuclear Systems Subcommittee and published by . This book was released on 1990 with total page 2166 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Tritium written by Marija M. Janković and published by . This book was released on 2018 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tritium, 3H (T), is a radioactive isotope of hydrogen. Naturally occurring tritium is rare on Earth, where trace amounts are formed by the interaction of the atmosphere with cosmic rays. Once formed in the stratosphere, the tritium atoms have a large amount of kinetic energy. At a pressure lower than atmospheric, they react with the oxygen, creating a stable radical HO2. This radical reacts with ozone, following the photochemical reaction of decomposition TO2 to HTO. Once tritium is incorporated into the water molecule, then it falls to the Earth's surface as precipitation or snow, thus entering into the natural hydrological cycle.With a half-life of 12.32 years and a maximum energy of 18 keV beta radiation, this radioisotope is not dangerous externally, but it can be a radiation hazard when inhaled, ingested via food or water, or absorbed through the skin. The biological half-life ranges from around 7 to 14 days, so bioaccumulation of tritium is not a significant concern.Tritium is a very useful hydro-geological tracer and can be successfully applied in assessing the age of groundwater and residence times of continental hydrologic systems or as an oceanic transient tracer. Tritium releases from nuclear installations may be useful for some applications as a powerful local tracer, but on the other hand such releases may affect the reliability and accuracy of tritium use as a global tracer. For this reason, measuring of the activity concentrations of tritium is regularly a part of every national and/or international monitoring programme. Tritium is also used in radio luminescent light sources for watches and various instruments, and, along with deuterium, as a fuel for nuclear fusion reactors with applications in energy generation and weapons.The amount of tritium that appears in the atmosphere as a product of human activity comes from: nuclear reactors, production of nuclear weapons, atmospheric and above ground nuclear explosions, heavy water and tritium plants, and plants for tritium separation. The use of tritium labeled compounds for medical and research purposes is also a possible source of contamination by tritium.Knowledge of the tritium concentration distribution in the environment, awareness of various anthropogenic sources of tritium, and optimization of measurement conditions are of great importance in various applications and in preserving human health.

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