(Metal ions) can be monovalent.Logical formLearned from5 sentences. (Calcium ions) may undergo an addition.Logical formLearned from5 sentences. An (ion bombardment) can be energetic.Logical formLearned from5 sentences. (Metal ions) can be polyvalent.Logical formLearned from5 sentences. (Ion channels) may play a role.Logical formLearned from5 sentences. Ions may undergo a reaction.Logical formLearned from5 sentences. A (lithium ion battery) may undergo a development.Logical formLearned from5 sentences. An ion can be bare.Logical formLearned from5 sentences. Ions may be collected.Logical formLearned from5 sentences. Rare-earth ions may be washed.Logical formLearned from5 sentences. Ions may undergo a retention.Logical formLearned from5 sentences. Ions may undergo a solvation.Logical formLearned from5 sentences. Ions may undergo a drift.Logical formLearned from5 sentences. An (ion beam lithography) can be focused.Logical formLearned from5 sentences. Ions can be with charges.Logical formLearned from5 sentences.