id	keyword
brj-22263	et al
brj-22263	pyrolysis
brj-22263	doi
brj-22263	cotinus
brj-22263	min
brj-22263	sample
brj-22263	ftir
brj-22263	acid
brj-22263	analysis
brj-22263	products
brj-22263	rate
brj-22263	bark
brj-22263	article
brj-22263	time
brj-22263	journal