资讯

The University of Glasgow has found a way to stabilise aqueous supercapacitors, using a gum taken from the bark of an Indian ...
Two firefighters wearing the wrong gear suffered sulphuric acid burns in ... At the protein plant, after the acid overflowed, the officer in charge thought the dirt would neutralise it, but ...
As they studied atomic disintegration, they kept seeing that the atomic number (number of protons in the nucleus, equivalent to the positive charge of the atom) was less than the atomic mass ...