dicyclohexano-18-crown-6-amberlite extraction chromatographic resin
二环己基-18-冠-6-Amberlite萃取色层树脂
dicyclohexano-18-crown-6-Kel-F extraction chromatographic resin
resin grade for functional film
First-grade and third-grade highway
Gum Rosin N GRADE OR WW GRADE
the method of mixing different grade dies el to change diesel grade
ABS resin (acrylonitrile-butadiene-styrene resin)
acryl-styrene resin(AS resin)
bismaleimide-triazine resin BT resin
bismaleimide-triazine resin(BT resin)
chloromethyl resin Merrifield resin
resin-bonded bridges Resin-bonded prostheses
(chromatographic) extraction