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单词 paper-tape chemical analyzer
释义 paper-tape chemical analyzer
[`pā·pǝr ¦tāp `kem·ǝ·kǝl `an·ǝ´līz·ǝr]
ANALYTICAL CHEMISTRY
Chemically treated paper tape that is continuously unreeled, exposed to the sample, and viewed by a phototube to measure the color change that is empirically related to changes in the sample's chemical composition.
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