例文
- The bismuth ions have a charge of 3 +, while the acetate ions have a charge of 1 -.
- "' Bismuth ( III ) acetate "'is an ionic salt composed of positive bismuth ions and negative acetate ions.
- Follow-on experiments using bismuth ions and a current of 30mA were expected to accumulate a mass of 30g in six days and to have a relative uncertainty of better than 1 ppm.