Suchergebnisse
Suchergebnisse:
Vor 2 Tagen · Chemical element, symbol I and atomic number 53 Iodine, 53 I Iodine Pronunciation / ˈ aɪ ə d aɪ n, - d ɪ n, - d iː n / (EYE -ə-dyne, -din, -deen) Appearance lustrous metallic gray solid, black/violet liquid, violet gas Standard atomic weight A r °(I) 126.904 47 ± 0.000 03 126.90 ± 0.01 (abridged) Iodine in the periodic table Hydrogen Helium Lithium Beryllium Boron Carbon ...
Vor 4 Tagen · Radio Free Europe/Radio Liberty. / 50.07889°N 14.47861°E / 50.07889; 14.47861. Radio Free Europe/Radio Liberty ( RFE / RL) is an American government -funded international media organization that broadcasts and reports news, information, and analyses to Eastern Europe, Central Asia, the Caucasus, and the Middle East, where it states ...
Vor 5 Tagen · EJNMMI Radiopharmacy and Chemistry publishes new research in the field of development of new imaging and radionuclide-based therapeutic agents for application in nuclear medicine and molecular imaging. The journal provides a platform for chemists, pharmacists, biologists and basic scientists to present their views and scientific work.
Vor 3 Tagen · Polonium is a radioactive element that exists in two metallic allotropes. The alpha form is the only known example of a simple cubic crystal structure in a single atom basis at STP ( space group Pm 3 m, no. 221). The unit cell has an edge length of 335.2 picometers; the beta form is rhombohedral.
Vor 7 Stunden · xL Shade 45 – Eminem's Hardcore Hip-Hop. xL Comedy Central Radio – Uncensored comedy from Comedy Central. xL Sirius XM Stars – Women's Talk and Entertainment. xL SiriusXM Comedy Greats – Uncensored Comedy with the Greatest Comedians of All-Time.
Vor 3 Tagen · Chemical reaction. A thermite reaction using iron (III) oxide. The sparks flying outwards are globules of molten iron trailing smoke in their wake. A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another. [1] When chemical reactions occur, the atoms are rearranged and the reaction ...
Vor 3 Tagen · Selen spielt eine wichtige Rolle bei der Produktion der Schilddrüsenhormone, genauer bei der „Aktivierung“ von Thyroxin (T4) zu Triiodthyronin (T3). [63] [64] [65] Es ist Bestandteil des Enzyms Thyroxin- 5′-Deiodinase, die für die Entfernung eines Iodatoms aus T4 verantwortlich ist. Durch diese Deiodierung entsteht T3.
