资讯

The team fed tobacco cutworm larvae ( Spodoptera litura) a rigid belt-like nanocarbon called [6]MCPP, topped up with boiled ...
An atom of oxygen is neutral and so will have 8 electrons. Two electrons will fill the first shell.The remaining 6 electrons will go into the second shell. The electronic structure of oxygen is ...
Lodged in a chunk of titanium, a single oxygen atom spurs extra defects in the metal’s atomic structure. Such flaws make titanium easy to shatter, scientists report in the Feb. 6 Science.
The ability to alter complex molecules by a single atom at a time would be incredibly ... though the researchers’ initial attempts to replace the oxygen in 3-phenylfuran produced less than ...