Grammar's Response. The choice of open/opened depends on what we're talking about. Yes, we can say (and often do) that the store is open, but if we're talking about the actual process of someone opening the doors, we'd say The store is opened every morning at 8 o'clock..
Ethanolamine (C2H7NO) is used in the pharmaceutical industry as a pH adjuster and buffering agent. It is a colorless to yellow clear liquid. There is evidence that it can be a human skin toxicant or allergen, and it should not be left on the skin. It has certain restrictions for use in the cosmetics industry. Ethanolamine oleate, a prescription drug, is a sclerosing agent. It works by creating scar tissue inside a swollen or dilated (wider than normal) vein to prevent bleeding.
enamine - an amine containing the double bond linkage -C=C-N-. alkane, alkane series, methane series, paraffin series, paraffin - a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2) monoamine - a molecule containing one amine group (especially one that is a neurotransmitter)