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In opposition to five-membered cyclic carbonate, the six-membered ones like trimethylene carbonate are thermodynamically less stable than its polymer, undergoing the ring-opening polymerization with retention of CO in the polymer structure, and generation an aliphatic polycarbonate.
Other forms of post-translational modification consist of cleaving peptide bonds, as in processing a propeptide to a mature form or removing the initiator methionine residue. The formation of disulfide bonds from cysteine residues may also be referred to as a post-translational modification. [3]
Data from "United States Military Aircraft Since 1908" by Gordon Swanborough & Peter M. Bowers (Putnam Newy York, ISBN 0-370-00094-3) 1977, 675 pp.
Bond angles can be deduced from the bond vectors in groups of atoms or ions. Bond distances and angles can be made available to the user in tabular form or interactively, by selecting pairs or groups of atoms or ions. In ball-and-stick models of crystal structures, balls represent atoms and sticks represent bonds.
The NBA and commissioner Adam Silver were eager to make changes to the All-Star Game after last year's contest wasn't very competitive and finished with a final score of 211-186.
New Orleans Pelicans star Zion Williamson has suffered yet another major setback. The Pelicans announced Saturday the 24-year-old forward has been diagnosed with a left hamstring strain and will ...
PMC is a two terminal resistive memory technology developed at Arizona State University. PMC is an electrochemical metallization memory that relies on redox reactions to form and dissolve a conductive filament. [2] The state of the device is determined by the resistance across the two terminals.
Getting older has a few perks — wisdom, greater perspective on life and senior discounts among them — but most of us associate aging with the harsh reality of wrinkles, joint problems and a ...