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单词 piston core sampler
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piston 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.
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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.
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更新时间:2024/12/23 22:15:27