PhenolicThe resins obtained by condensation reaction of phenolic compounds (cresol, phenol, Cresol, resorcinol) and aldehyde compounds (formaldehyde, furfural) under the action of acid or alkali catal...
View DetailsHenan a production of magnesium dry-type materials, magnesia...
Editor: Lena In 2017, the Anshan Municipal Party Committee a...
Editor: Lena In order to draw lessons from major accidents i...