The present invention provides tricyclic carboxamide compounds and methods and pharmaceutical compositions for their use in treatment, prevention, or suppression of disorders which may be remedied or alleviated by oxytocin antagonist activity, including prevention andor suppression of preterm labor, suppression of labor at term prior to caesarean deliver, and for the treatment of dysmenorrhea. The optical element has at least one entrance refracting surface and at least one exit refracting surface. The quantity of a rich component required to consume all O2 absorbed by the catalyst in the fuel-cut state is calculated. In accordance with the invention, the ribbons and the substrate surfaces are sealed within a die structure that contains a dampening gas. Use of the modified lithium transition metal oxide as active positive electrode material for a lithium secondary battery.