دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a system of law based on court decisions, or judicial precedent, rather than on legislated statutes or executive decrees. Common law began in England and was later used in English colonies. It is still applied in most of the United States;however, Louisiana operates under the Napoleonic Code. Also called case law.

n: under certain circumstance ,the same monocase above two are translated into relatively great-quality-molecule polymers by catalysts.

n: a coarse-grained, foliated metamorphic rock that splits easily into layers. It is formed when shale under deep burial becomes slate and then, with more intense metamorphism, becomes schist.

a crystalline metamorphic rock that can be split into think layers because of the bedded mineral arrangements.

n: a metamorphic rock formed when shale becomes buried deeply. The heat and pressure fuse individual mineral grains into slate.

metamorphic shale rock with fractures or cleavage planes.