(1) ELECTRONIC SIGNATURE.âthe term electronic signature means a method of signing an electronic message thatâ. (A) identifies and authenticates a particular person as the source of the electronic message; and. (B) indicates such person's approval of the information contained in the electronic message.
Freebase(2.50 / 2 votes)Rate this definition: Naugahyde. Naugahyde is an American brand of artificial leather. Naugahyde is a composite of a knit fabric backing and polyvinyl chloride plastic coating. It was developed by United States Rubber Company, and is now manufactured and sold by Uniroyal Engineered Products, LLC, a privately held company.
What are acid anhydrides? The structure of acid anhydrides A carboxylic acid such as ethanoic acid has the structure: If you took two ethanoic acid molecules and removed a molecule of water between them you would get the acid anhydride, ethanoic anhydride (old name: acetic anhydride).he reactions (of both acyl chlorides and acid anhydrides) involve things like water, alcohols and phenols, or ammonia and amines. All of these particular cases contain a very electronegative element with an active lone pair of electrons-either oxygen or nitrogen.