id	keyword
alkej-352	drag
alkej-352	reduction
alkej-352	polymer
alkej-352	flow
alkej-352	drag reduction
alkej-352	surfactant
alkej-352	concentration
alkej-352	pipe
alkej-352	cmc
alkej-352	solution
alkej-352	ppm
alkej-352	figure
alkej-352	rate
