| 单词 | piston core sampler |
| 释义 | > as lemmaspiston core sampler piston core sampler n. an underwater core sampler consisting of a long weighted cylinder containing at its lower end a piston attached to the lowering cable, devised so that when the cylinder enters the bottom sediments under its own weight the descent of the piston is arrested, and the resulting partial vacuum inside the cylinder causes the pressure of the water to force it further into the sediment. ΘΚΠ society > occupation and work > equipment > other specific types of equipment > [noun] > equipment for use on seabed creeper?a1400 tangle1882 creep1889 Petersen grab1923 snapper grab1925 sled1939 piston sampler1946 piston core sampler1947 piston corer1954 hydrocast1960 1947 B. Kullenberg in Svenska Hydrogr.-Biol. Komm. Skrifter (Ser. 3: Hydrogr.) 1 ii. 12 The piston core sampler..has been based on a method to procure samples for ground investigations. 1998 Fisheries Sci. 64 985 (title) A handy piston core sampler for sediments in shallow water. < as lemmas |
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