تعريف striations في الإنجليزية الإنجليزية القاموس.
Surface markings associated with an advance of a fatigue crack in a single load cycle Not usually visible to the naked eye Their absence at high magnification does not exclude a fatigue mechanism
Grooves of scratches found in surface rock that are the result of glacial abrasion
Scratches or grooves gouged into surface rock by glacial action Striations along bedrock indicate direction of ice movement Often seen on exposed bedrock Photo
(glacial) - Parallel grooves cut in a rock by rock fragments frozen into glacial ice
Grooves or channels in cloud formations, arranged parallel to the flow of air and therefore depicting the airflow relative to the parent cloud
Grooves or channels in cloud formations, arranged parallel to the flow of air and therefore depicting the airflow relative to the parent cloud Striations often reveal the presence of rotation, as in the barber pole or "corkscrew" effect often observed with the rotating updraft of an LP storm
Thin raised lines on the surface of a coin, caused by excessive polishing of the die