Author:Swai, HDate:Nov 2006A nanometre (nm) is a unit of measurement equal to a billionth of a metre, tens of thousands of times smaller than the width of a human hair. The prefix “nano” comes from the Greek word meaning “dwarf”. A micrometre (μm) is a unit of length ...Read more
Author:Luo, H; Vaivars, G; Mathe, Mahlanyane KDate:Mar 2010The sulfonated and sulfinated polyetheretherketone (SsPEEK) was prepared via a novel method. SsPEEK has two types of functional groups, the functional groups for ion-exchange and the functional groups for further strengthening of the ion-exchange ...Read more