Also referred to as pleural effusion or ' fluid on lungs ', the condition is commonly diagnosed among TB patients. Normally, there is a small amount of fluid surrounding the lungs but in TB there is bacterial growth in the fluid filled space between the chest wall and the lungs.
Following are the equations of several nuclear reactions that have important roles in the history of nuclear chemistry: 1  The first naturally occurring unstable element that was isolated, polonium, was discovered by the Polish scientist Marie Curie and her husband Pierre in 1898. It decays, emitting Î± particles:
The SI unit for radioactivity, the becquerel (Bq), is named after him. Roentgen discovered X-rays on November 8, 1895. The press reported this on January 5, 1896, shortly before Becquerel did his famous experiment. Thus radioactivity was discovered the following year but within a year of the discovery of X-rays.