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Main menu. Main menu. move to sidebar hide. Navigation ... Tantalum is a chemical element; ... of 5 mg/m 3 over an 8-hour workday and a short-term limit of 10 mg/m 3.
The brunch menu has included brisket Benedicts, scrambles with Dungeness crab, Bloody Marys, and mimosas. [7] The drink menu has included the Spritz into Spring, which is a variation of a "classic" wine spritzer with Chareau, vodka, and vermouth. [11] Happy hour is popular; [8] the special menu has included pastas, burgers, fries, and ...
One of the primordial nuclides is tantalum-180m, which is predicted to have a half-life in excess of 10 15 years, but has never been observed to decay. The even-longer half-life of 2.2 × 10 24 years of tellurium-128 was measured by a unique method of detecting its radiogenic daughter xenon-128 and is the longest known experimentally measured ...
Happy hour is a marketing term for a time when a venue such as a restaurant or bar offers reduced prices on alcoholic drinks. Discounted menu items like appetizers are often served during happy hour. Discounted menu items like appetizers are often served during happy hour.
Natural tantalum (73 Ta) consists of two stable isotopes: 181 Ta (99.988%) and 180m Ta (0.012%). There are also 35 known artificial radioisotopes, the longest-lived of which are 179 Ta with a half-life of 1.82 years, 182 Ta with a half-life of 114.43 days, 183 Ta with a half-life of 5.1 days, and 177 Ta with a half-life of 56.56 hours.
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The mineral group tantalite [(Fe, Mn)Ta 2 O 6] is the primary source of the chemical element tantalum, a corrosion (heat and acid) resistant metal.It is chemically similar to columbite, and the two are often grouped together as a semi-singular mineral called coltan or "columbite-tantalite" in many mineral guides.
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