单词 | pneumatic differentiation |
释义 | > as lemmaspneumatic differentiation ΚΠ 1887 A. H. Buck Ref. Handbk. Med. Sci. IV. 38/2 I allude to the Pneumatic Cabinet, and the method of Pneumatic Differentiation, as perfected and applied by Mr. Joseph Ketchum, a practical physicist of Brooklyn, N.Y. 1889 Lancet 4 May 889/1 (1) Residual air expansion or expiration into a rarefied atmosphere (2) forced inspiration (3) pneumatic differentiation, or the alternation of the above two exercises. < as lemmas |
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