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单词 tetra-paper
释义 ˈtetra-paper Chem.
[Abbrev. of the full descriptive name: see quot.]
A kind of test-paper.
1899J. Cagney Jaksch's Clin. Diagn. v. (ed. 4) 160 This [masking of the result] may be prevented by the use of tetra-paper (tetramethyl-paraphenyl-diamine).Ibid. vii. 382 Tetra-paper..immersed in the fluid will show the presence of ozone by taking a blue colour.
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