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CHEM2D-OPP linearized ozone photochemistry

CHEM2D-OPP: A new linearized gas-phase ozone photochemistry parameterization for high-altitude NWP and climate models J. P. McCormack, S. D. Eckermann, D. E. Siskind, and T. J. McGee E. O. Hulburt Center for Space Research, Naval Research Laboratory (NRL), Washington DC, USA NASA Goddard Space Flight Center (GSFC), Greenbelt, Maryland, USA Received: 6 June 2006 – Accepted: 8 June 2006 – Publish...

NLO QCD calculations with the OPP method

An algorithm to compute automatically NLO QCD corrections for all momentum, color, and helicity configurations of the external particles is presented. It has been implemented in new package HELAC-1L, using HELAC for the evaluation of tree-level off-shell sub-amplitudes, CutTools for OPP-reduction and OneLOop for the evaluation of one-loop scalar integrals. Some recent results obtained with this...

High-level pacidamycin resistance in Pseudomonas aeruginosa is mediated by an opp oligopeptide permease encoded by the opp-fabI operon.

Pacidamycins (or uridyl peptide antibiotics) possess selective in vivo activity against Pseudomonas aeruginosa. An important limitation for the therapeutic use of pacidamycins with P. aeruginosa is the high frequency (10(-6) to 10(-7)) at which resistant mutants emerge. To elucidate the mechanism(s) of this resistance, pacidamycin-resistant P. aeruginosa mutants were isolated. Two types of muta...

Effect of bar sealing parameters on OPP/MCPP heat seal strength

The effect of bar sealing parameters on the heat seal strength of oriented polypropylene (OPP)/metallic cast polypropylene (MCPP) laminate film was investigated. Based on the results obtained from the parametric study, a bar sealing process window was developed. All points drop within the process window are combinations of platen temperature and dwell time that produce acceptable heat seal. Opt...

Bridging the gap between medical education and application of OPP/OMT.