phenol造句
241. We predicted Rf value of phenol and aniline derivatives by this method, and compared it with classical algorithms such as forward selection, backward elimination, ...
242. Tiaogan gold oil by phenol - formaldehyde resin, drying oils, oil, etc.
243. The ethoxyline resin is type A of bisphenol, cyclic hydrocarbon, linearity phenol formaldehyde and so on.
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