PROJECT: STEEL BUILDING DESIGN CASE STUDY. SUBJECT: JOIST SELECTION (ECONOMICAL BAY STUDY) Investigate two framing options: Option I - joists span 30', Option II - joists span 36'. This bay framing study is done for joists (sheets 16-17), interior floor girders (sheets 18-22), and. interior fill beams (sheet 23-24). Comparison bays are priced out (sheet 25) to select economical bay framing.
This discovery of spontaneous âradioactivityâ (a term coined by Becquerelâs doctoral student, Marie Curie) eventually earned Becquerel a Nobel Prize for Physics in 1903, which he shared with Marie Curie and her husband Pierre Curie.enchmarks: Henri Becquerel discovers radioactivity on February 26, 1896. Credit: A photographic plate made by Henri Becquerel shows the effects of exposure to radioactivity. A metal Maltese cross, placed between the plate and radioactive uranium salt, left a clearly visible shadow on the plate.
Under the direction of Marie Curie, researches on radiation developed at the Radium Institute: in 1934, Irene and Frederic Joliot-Curie discovered artificial radioactivity. She did not, however, see their work rewarded with the Nobel Prize in Chemistry in 1935: Marie Curie died July 4th 1934 in Haute-Savoie.fter she and Pierre Curie discovered two new radioactive elements (1898) she went on to become: the first woman professor at the Faculty of Sciences at the Sorbonne (1906), a member of the Physics Solvay Council (1911-1933) and tof the Academy of Medicine (1922), and a two time Nobel Prize winner (1903 and 1911)...