1. Department of Chemical Engineering, Johns Hopkins University, Baltimore, Maryland 21218; Chemical Engineering Department, North Carolina State University, Box 7905, Raleigh, North Carolina 27695-7905; Department of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853; ExxonMobil Research and Engineering Co., Annandale, New Jersey 08801; NIST, Center for Neutron Research, 100 Bureau Drive, Stop 8562, Gaithersburg, Maryland 20899; and Department of Chemical Engineering,...