MT£¯T180£1988《选煤厂浮选工艺效果评定方法》中的浮选目的指导原则是()。
A.最大限度地将非可燃体富集于浮选精煤
B.最大限度地将非可燃体富集于浮选精煤,同时尽可能地降低非可燃体对浮精的污染
C.最大限度地将可燃体富集于浮选精煤,同时尽可能地将非可燃体排到尾煤中
D.最大限度地将可燃体富集于浮选精煤,同时尽可能地降低非可燃体对浮精的污染
A.最大限度地将非可燃体富集于浮选精煤
B.最大限度地将非可燃体富集于浮选精煤,同时尽可能地降低非可燃体对浮精的污染
C.最大限度地将可燃体富集于浮选精煤,同时尽可能地将非可燃体排到尾煤中
D.最大限度地将可燃体富集于浮选精煤,同时尽可能地降低非可燃体对浮精的污染
It is implied in the passage that ______.
A.many scientists had known dinoflagellate before 1988
B.there had been no such organisms before 1988
C.many scientists were in doubt about the nature of the organism in 1988
D.no scientists knew anything about the organism in 1988
It is implied in the passage that ______ .
A.many scientists had known dinoflagellate before 1988
B.there had been no such organisms before 1988
C.many scientists were in doubt about the nature of the organism in 1988
D.no scientists knew anything about the organism in 1988
A.A.655GM GB/T10095—1988
B.B.766GH GB/T10095—1988 #图片0$#