It is installed with a couple of know programs including TOSHIBA HDD/SSD Alert published by TOSHIBA Corporation, Alerta de HDD/SSD TOSHIBA from TOSHIBA Corporation and Alerta de HDD/SSD TOSHIBA by TOSHIBA Corporation. The assembly utilizes the .NET run-time framework (which is required to be installed on the PC). The file is digitally signed by TOSHIBA CORPORATION which was issued by the VeriSign certificate authority (CA).
Calcium's atomic weight of 40.078 rounds to a mass number of 40. Subtracting 20 from 40 yields a result of 20. This means an atom with 20 protons and 20 neutrons must be an atom of calcium. In some cases, calcium does not have 20 neutrons.
Calcium 42 Carbonate (Calcium-42) is a stable (non-radioactive) isotope of Calcium. It is both naturally occurring and produced by fission. Calcium 42 Carbonate is one of over 250 stable isotopes produced by American Elements for biological and biomedical labeling, as target materials and other applications. Calcium Carbonate is also available in ultra high purity and as nanoparticles.