id	keyword
bibechana-46435	carbon
bibechana-46435	water
bibechana-46435	surface
bibechana-46435	blue
bibechana-46435	methylene
bibechana-46435	river
bibechana-46435	adsorption
bibechana-46435	gram
bibechana-46435	horse
bibechana-46435	iodine
bibechana-46435	carbonization
bibechana-46435	seed