Which one of the followings columns has the highest column efficiency?
A: packed column
B: WCOT column
C: SCOT column
D: PLOT column
A: packed column
B: WCOT column
C: SCOT column
D: PLOT column
举一反三
- Compare to packed column, which one of the followings is NOT the advantage of capillary column? A: the better column capacity B: the better resolution C: the better sensitivity D: the better column efficiency
- A column that fails due to normal stress, is called ( ) A: short column B: long column C: weak column D: medium column
- Match Column A with Column B and give one example for each.
- Identify the column where the formatting rules have not been applied. A: Date column B: Ref column C: Item $ column D: Bal $ column
- Let A be a [img=40x20]1803c4e60908a8b.png[/img]matrix, and the determinant of A is 0,then _________. A: there must be a column of elements in A that are all 0 B: there must be a column in A that is a linear combination of the other column vectors C: there must be two columns that are proportional to each other D: any column vector in A is a linear combination of the remaining column vectors