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2025-08-01

“Berkefeld”的英英意思

单词 Berkefeld
释义 Berkefeld|ˈbɜːkfɛld, -ɛlt|
Also (erron.) Berkefield.
The name of W. Berkefeld (1836–1897), German mine-owner, used to designate a bacterial filter containing diatomaceous earth.
1894Brit. Med. Jrnl. 29 Dec. 1489/2 We must conclude that the Berkefeld filters may afford an efficient safeguard against the passage of disease germs.Ibid. 1488/2 The Berkefeld Filter Company Ltd.1902Encycl. Brit. XXXIII. 790/1 The Berkefield filter, constructed of baked infusorial earth.1946Nature 17 Aug. 217/2 Preparing from the eggs Berkefeld filtrates.1951R. J. Ludford in G. H. Bourne Cytology (ed. 2) ix. 402 A filterable tumour..yields by Berkefeld-filtration a cell-free filtrate.
“Berkefeld”的英英意思

 

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