stygo-
(obsolete) A bag or pouch; purse, scrip.
Dark and damp, like the Underworld
A chart showing the exchange energy for transition metals as a function of the ratio of the interatomic distance to the radius of the electron shell. It illustrates why certain metals are ferromagn...
Alternative form of agripreneurship
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DiQt(ディクト)
無料
★★★★★★★★★★