beta ray造句

Changes in soybean water status have also been measured by beta ray gauging.

beta ray extracorporeal irradiator

??and ??have been suggested as the best sources of beta rays for these measurements.

beta ray造句

Two of the men received suspected beta ray burns after stepping into water.

Each emission of an alpha or beta ray accompanies the transmutation of an atom; the energy communicated to these rays comes from inside the atom.