CWQI - What does CWQI stand for? The Free Dictionary
References in periodicals archive
can be calculated using formulas (4) and (5).
Ranking Comment 95-100 Excellent No need to purification 80-44 Good As light need to purification 65-79 Fair Needs purification 45-64 Marginal Needs plenty of purification 0-44 Poor Almost always needs purification and is in dangerous region