DEn (Department of Energy)

anti-submarine warfare atmospheric geology auxiliary facilities axiomatization blowdown stack. ethologo palaeontology general seismology liriodendra Martens mirror apparatus non-orthogonal coordinates system Pars patens parturiated real-analytic function submaxillary ducts of wharton swelling binder thermal uniformity thixotropic behaviour trainspotterish valve type piston whirling test