For example, beta decay of a neutron transforms it into a proton by the emission of an electron, or conversely a proton is converted into a neutron by emission of a positron (positron emission), thus changing the nuclide type.
Diet Coke Plus - Diet Coke fortified with vitamins. Diet Coke Sweetened with Splenda - diet Coke with splenda instead of aspartame. Diet Coke with Lemon/Coca-Cola light with Lemon - a lemon flavored diet Coke. Diet Coke with Lime/Coca-Cola light with Lime - a lime flavored diet Coke.
Coke Zero is sweetened with a combination of aspartame and acesulfame potassium (Ace-K). Coke Zero is the same basic formula as classic Coke while Diet Coke is a different formula completely. Diet Coke is sweetened with aspartame only. There are unsubstantiated theories (at least by Coca Cola) that the unsuccessful release of Coke Two or new Coke was actually the formula for Diet Coke, just sweetened with the classic sugar combination.