carbonate hardness meaning in English

碳酸氢盐硬度
碳酸盐硬度

Evaluation the efficiency of scale inhibitors by using limited carbonate hardness method
极限碳酸盐硬度法评定阻垢剂的阻垢性能
Must be softened and treated to make sure that is free from suspended solids and non - carbonate hardness , has a low carbonate hardness , is practically free from oil and dissolved oxygen and has a low dissolved silica content
必须经过软化和处理保证没有悬浮固体和非碳酸盐的硬度,有低碳酸盐硬度