The empirical mode decomposition method is used for analyzing the paleoclimate proxy δ18O from Greenland GISP2 ice core.The results show that millennium climat
A thermokarst lake is defined as a lake occupying a closed depression formed by ground settlement following thawing of ice-rich permafrost or the melting of mas
To deal with the universal problem of parasitical frequency spectrum in China New Generation Weather Radar transmitter,this paper establishes mathematical model
<正>Wages are up by 10%in nominal terms in Guangdong province,our survey suggests That is roughly 6-8%in real terms,which is not inflationary,in our view Rising