研析

研 = 开 + 石 : Maud Younger is lacking salt for her ... . Luckily, there's a salt stone just inside the anthill's kitchen, so she uses a bottle opener to grind off some salt.

析 = 斤 + 木 : Mnemonic symbol: a mass spectrometer.

Marie Curie (xi) got a new mass spectrometer (析) for Christmas. In front of the space station (Ø1) she smashes the Christmas tree (木) into a small powder using two barbells (斤) so that she can analyze (析) it with her new mass spectrometer.