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Naturally occurring niobium (41Nb) is composed of one stable isotope (93Nb). The most stable radioisotope is 92Nb with a half-life of 34.7 million years...

from which the elements niobium and tantalum are extracted. The niobium-dominant mineral in coltan is columbite (after niobium's original American name...

most common definition includes five elements: two of the fifth period (niobium and molybdenum) and three of the sixth period (tantalum, tungsten, and...

these vortices is quantized. Most pure elemental superconductors, except niobium and carbon nanotubes, are type I, while almost all impure and compound...

minerals tantalite and columbite (columbium being an archaic name for niobium), which occur in pegmatites, an igneous rock formation. Mixtures of columbite...

group 5 in the 6d series of transition metals, placing it under vanadium, niobium, and tantalum. Dubnium should share most properties, such as its valence...

pure Zr-90 sample. Niobium-95, with a half-life of 35 days, is initially present as a fission product. The only stable isotope of niobium has mass number...

Radon is a chemical element; it has symbol Rn and atomic number 86. It is a radioactive noble gas and is colorless and odorless. Of the three naturally...

common metals and their alloys: aluminum, chromium, magnesium, molybdenum, niobium, thorium, titanium, tungsten, uranium, vanadium, zinc, and zirconium. For...

and tantalum, which have a high resistance to corrosion, more so than niobium, titanium and molybdenum. Similar to indium, gallium and gallium-containing...

deposits of copper, tungsten, gold, silver, uranium, thorium, tantalum, niobium and lithium. Jiangxi is centered on the Gan River valley, which historically...

Silver 1 5.86×1022 Gold 1 5.90×1022 Beryllium 2 2.47×1023 Magnesium 2 8.61×1022 Calcium 2 4.61×1022 Strontium 2 3.55×1022 Barium 2 3.15×1022 Niobium 1 5.56×1022...

reported successful fabrication of three-dimensional wave guides with niobium metal, a superconducting material that minimizes attenuation due to absorption...

died on January 11, 2006, at the age of 86. He has conducted pioneering research into superconducting Niobium magnets. He owned several critical patents...

All unstable isotopes of molybdenum decay into isotopes of zirconium, niobium, technetium, and ruthenium. Molybdenum-100, with a half-life of approximately...

ruthenium-99), 108 kilograms (238 lb) of zirconium-93 (since decayed to niobium-93), 198 kilograms (437 lb) of caesium-135 (since decayed to barium-135...

336S. doi:10.1016/j.apsusc.2017.02.246. Brauer, G. (1963). "Vanadium, Niobium, Tantalum". In Brauer, G. (ed.). Handbook of Preparative Inorganic Chemistry...

with period 3. a prime index prime, as 13 is prime. The atomic number of niobium. Messier object M41, a magnitude 5.0 open cluster in the constellation...

acid. Alloy 20 has excellent mechanical properties and the presence of niobium in the alloy minimizes the precipitation of carbides during welding. Heat...

a low-energy beta particle. 73% of decays populate an excited state of niobium-93, which decays with a halflife of 14 years and a low-energy gamma ray...