Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are mainly found in the first four periods. Of these ...

Finally, based on matter-element extension theory, a comprehensive evaluation model of secondary equipment operation status is built. The case analysis shows that this method can improve the ...

Bright and fast fluorescence makes semiconductor nanocrystals, or quantum dots (QDs), appealing for applications ranging from biomedical research to display screens. However, a few percent of their ...