Earth’s radiation budget through lunar observations. This method promises to overcome many of the limitations faced by ...

Neutron activation analysis is a method for the qualitative and quantitative determination of elements based on the measurement of characteristic radiation from radionuclides formed by irradiating ...

IN his letter in NATURE of March 20 Mr. Soddy states that “granting the possibility of the existence of groups of elements with identical chemical properties and spectra, the only known direct manner ...

Modern instrumental chemical analysis employs a variety of techniques. Fluorescence spectroscopy is one of these methods and is based on the principle of excitation and emission of characteristic ...

E. P. Malaise, B. Fertil, P. J. Deschavanne, N. Chavaudra and W. A. Brock The published survival curves of 110 human tumor cell lines and 147 nontransformed human fibroblast strains have been ...