 |
| English | Latvian |
| alpha radiation A stream of alpha particles which are ejected from many radioactive substances having a penetrating power of a few cm in air but can be stopped by a thin piece of paper | alfa starojums |
|
| English | Latvian |
| alpha radiation A stream of alpha particles which are ejected from many radioactive substances having a penetrating power of a few cm in air but can be stopped by a thin piece of paper | alfa starojums |