It is concluded that the fluid forming this type of copper-gold deposit is one high oxygen and sulphur fugacity and low-to-moderate temperature acid fluid.
认为形成这一类型矿床的流体是一种高氧逸度、高硫逸度的中低温酸性流体。
2
Failure cause of mechanical sealing of hightemperature screwed pipe for GA123A pump is analyzed. It is showed that the causes of the sealing failure are scale deposit and carbon laydown in pipe.