pharmaceutical intermediates species: sodium cyanate, potassium cyanate, subsalt of heat treatment, the main ring of promethazine hydrochloride, promethazine hydrochloride side chain.
医药中间体种类:氰酸钠、氰酸钾、热处置基盐、盐酸异丙嗪主环、盐酸异丙嗪侧链。
subsalt seismic exploration is currently international generally recognized difficulty.
盐下地震勘探是目前国际上公认的难题。
a series of thrust belts are formed in the subsalt under the intense squeezing action of the foreland thrust belt, where abundant fault anticline traps are in rows and belts.
前陆沖断带强烈挤压作用在盐下形成多排沖断带,断背斜圈闭规模发育,成排成带展布。
at the reservoir level, the image shows structure that was not previously visible, with improved continuity of subsalt horizons and better fault definition.