Search results
Results From The WOW.Com Content Network
Protactinium-231 is the longest-lived isotope of protactinium, with a half-life of 32,760 years. In nature, it is found in trace amounts as part of the actinium series, which starts with the primordial isotope uranium-235; the equilibrium concentration in uranium ore is 46.55 231 Pa per million 235 U.
The longest-lived and most abundant (nearly 100%) naturally occurring isotope of protactinium, protactinium-231, has a half-life of 32,760 years and is a decay product of uranium-235. Much smaller trace amounts of the short-lived protactinium-234 and its nuclear isomer protactinium-234m occur in the decay chain of uranium-238 .
Pages in category "Isotopes of protactinium" ... Protactinium-235; Protactinium-236; Protactinium-237; Protactinium-238; Protactinium-239; Protactinium-240 ...
The Bloom Elementary School at 1627 Lucia Ave. in Louisville, Ky. on July 10, 2023. ... The Breckinridge Metropolitan High School at 1128 E Broadway in Louisville, Ky. on July 10, 2023.
Later called the Morrissey Garage, the city of Louisville began demolition of the building April 11–12, 2015 [5] 6: Brandeis House: Brandeis House: March 1, 1984 : 310 E. Broadway: 7: Breslin Building: Breslin Building: June 20, 2013
The historic Ancient and Accepted Scottish Rite Temple on East Gray Street in Louisville, Ky. on Dec. 4, 2023. ... The Heyburn Building at 332 W. Broadway, shown on Aug. 23 2021, is one of the ...
St. Paul's German Evangelical Church was the first German Evangelical Church to be established in Louisville, Kentucky, USA. It was founded in 1836 by Reverend George Brandau. [2] On October 9th, 2024 the church was heavily damaged by a massive fire that took firefighters over 3 hours to fully extinguish.
Bounded by Broadway, Louis Coleman Jr. Drive, Ohio River, the southern boundary of Chickasaw Park and the Paducah and Louisville Railroad 38°14′48″N 85°49′15″W / 38.2468°N 85.8209°W / 38.2468; -85.8209 ( Chickasaw Neighborhood Historic