sulphonamides

As a especially effective collector for processing copper sulphide ore, methyl sulphonamide features good selectiveness and strong collection.

甲基硫氨酯作为硫化铜矿选矿的特别有效的捕收剂,具有选择好、捕收力强的特。

It was found that the sulphonamide group and the substituents on nitrogen atom within the molecule would effect the properties of these dyes.

特,发现磺酰胺基在它的氮原子上的取代基会影响该类染料的能。