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In inorganic chemistry, Fajans' rules, formulated by Kazimierz Fajans in 1923, [1] [2] [3] are used to predict whether a chemical bond will be covalent or ionic, and depend on the charge on the cation and the relative sizes of the cation and anion. They can be summarized in the following table:
Molten iron from the ladle is added as required for the charge balance. A typical chemistry of hotmetal charged into the BOS vessel is: 4% C, 0.2–0.8% Si, 0.08%–0.18% P, and 0.01–0.04% S, all of which can be oxidised by the supplied oxygen except sulfur (which requires reducing conditions).
In this framework, items which are encoded at a deeper, more semantic level are shown to have stronger traces in long-term memory. [31] This criticism is somewhat unfounded as Atkinson and Shiffrin clearly state a difference between rehearsal and coding, where coding is akin to elaborative processes which levels-of-processing would call deep ...