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别有收剂,具有选择好、收力强。

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

牢度和光谱,发现磺酰胺基和在它氮原子上取代基会影响该类染料能。