中文谷weakly basic造句怎么写
- 造句
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The strongly basic, weakly basic and non-basic nitrogen contents and acid values of the residues and their fractions were determined with non-aqueous potentiometric titrations and elementary analysis.
The operation regularity and characteristics of D354—FC weakly basic anion exchanger used in water treatment are presented.
weakly basic styrene type anion exchange resin
The adsorption behavior of free acid on D354 macroporous weakly basic anion exchange was fallowed by electric conductance technique.
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