The membrane can be used for concentrating ethanol from dilute ethanol-water mixture through pervaporation process owing to its alcohol-permselective properties.
Generally resistant to animal and vegetable fats, oils, greases, ozone, heat, and strong oxidizing chemicals. Chlorobutyl has lowest permeability of all the synthetic rubbers.
Since June 2000, based at the University of Salford in Manchester, he has been working primarily within the research field of immersive and expanded telematic environments.
Objective To investigate the changes of blood-ocular barrier and effect of ligustrazine on the ocular endosmosis of intravenous ciprofloxacin in rabbit eyes of corneal perforating injury.
According to the object of parol education, the content and the growing special feature of children, the material of parol education can be separated into two sorts.
SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.
SOL 170 是一种特别渗配方的防水,有效于保护大理石、花岗岩、天然石材等。防止水印及水渍呈现于石材表面,并可防止污渍渗入表面、冰霜侵入及防止风化。