📁 矿物勘探和开采
Businesses that explore for, or extract, mineral resources. Includes businesses that supply products and services in support of these activities in the fields of geology, geophysics, mining , and other earth sciences.
子分类
条目 (6+)
The Scattering of the α and β Rays and the Structure of the Atom
http://www.chemteam.info/Chem-History/Rutherford-atom-abstract.html
Transmutation Effects Observed with Heavy Hydrogen
http://www.chemteam.info/Chem-History/Rutherford-1934a/Rutherford-1934a.html