| 单词 |
viscometer |
| 释义 |
viˈscometer
[f. L. viscōs-us viscous a.: see -meter.]
An instrument for measuring the viscosity of liquids.
1883Simmonds Dict. Trade, Viscometer, a standard measurer for ascertaining the viscosity of oils for cotton⁓mill and other spindles. 1886, etc. [see Saybolt]. 1946Nature 2 Nov. 614/2 Graphs showing the flow characteristics of a grease at medium rates of shear (plunger viscometer) and at high rates of shear (pendulum viscometer) were displayed. 1967M. Chandler Ceramics in Mod. World ii. 61 The commonest instrument for testing the fluid properties of a slip is the torsion viscometer. 1970British Printer June 70/2 Mr Bisset described the functions of viscometers and tack-meters.
Hence viˈscometry, the measurement of viscosity; the use of a viscometer; viscoˈmetric a., -ˈmetrically adv.
1886B. Redwood in Jrnl. Soc. Chem. Industry 29 Mar. 121/2 (heading) On viscosimetry, or viscometry. 1931G. Barr Monogr. Viscometry iii. 48 In practical viscometry it is rarely necessary for the investigator to undertake the labour involved in the evaluation of the constants of his instrument ab initio. 1938Chem. Abstr. XXXII. 1091/1 The viscometric results were in excellent agreement with those obtained by using a photoelec. nephelometer. 1946Chem. Rev. XXXIX. 161 The process can be followed viscometrically, polarimetrically, or by chemical determination of the aldose end group produced. 1978Nature 1 June p. xi/2 Further applications are in the field of interface rheology and viscometric determination of the molecular weight of plastic material solutions. 1982Lebensmittel-Wissensch. und Technol. XV. 242 (heading) Viscometric study of the dispersion of whole and gelatinised cassava starch. Ibid., The solubilisation of cassava starch in aqueous dimethyl⁓sulphoxide has been followed viscometrically. 1982Jrnl. Exper. Bot. XXXIII. 1248 The enzyme procedure and assay, using citrus pectin, described here have enabled us to assay endo-PG by viscometry during a 6 h incubation period. |
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