You could run the reaction, take solid iron and gaseous oxygen, form ironoxide, measure the heat of formation of it, and tabulate it.
你可以进行一个反应，用固态铁和氧气生成氧化铁，测量它生成的热，列成表格。
2
Geologist Gerard Bond noticed that some of the sediment grains were stained with ironoxide, evidence that they originated in locales where glaciers had overrun outcrops of red sandstone.
地质学家杰拉德·邦德注意到，一些沉积物颗粒被氧化铁染色，这表明它们起源于冰川覆盖红砂岩露头的地方。
3
And this is usually done over catalysts, like an ironoxide catalyst or something.