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

1.甲氨酯作为化铜矿选矿特别有效捕收剂,具有选择好、捕收力强特。

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

2.坚牢度和光谱特,发现磺酰胺和氮原子上取代会影响该类染料能。