At the end of the column they elute one at a time. During the entire chromatography process the eluent is collected in a series of fractions. Fractions can be collected automatically by means of fraction collectors. The productivity of chromatography can be increased by running several columns at a time.
dash - the act of moving with great haste; he made a dash for the door bolt rush, rushing, haste, hurry - the act of moving hurriedly and in a careless manner; in his haste to leave he forgot his book
The hemline is the line formed by the lower edge of a garment, such as a skirt, dress or coat, measured from the floor. The hemline is perhaps the most variable style line in fashion, changing shape and ranging in height from hip-high to floor-length.