| 单词 | redwood unit |
| 释义 | > as lemmasRedwood unit 2. Used chiefly attributively with reference to measurements made according to a scale of Redwood seconds; esp. in Redwood time, Redwood unit, Redwood viscosity, etc. ΘΚΠ the world > matter > constitution of matter > density or solidity > viscosity > [noun] > specifically in scientific use > measurement of > unit Saybolt viscometer1886 Redwood unit1912 Saybolt viscosity1912 Redwood second1922 1912 Proc. Royal Soc. A. 87 158 If we wish to obtain a criterion as to whether the first or second law should..be applicable to a fluid for which Redwood's viscosity is known, we have the equations (1). 1913 Petroleum World June 272/1 The remaining three columns respectively give their colour, density at 20° C. and viscosity at 20° in Redwood units. 1919 Jrnl. Industr. & Engin. Chem. 11 155/1 Mineral oils..of pale color and low viscosity ranging from 100 to 200 sec., Redwood Standard, at a temperature of 200° F. 1949 A. C. Merrington Viscometry v. 57 A Redwood time of TR seconds. 1967 A. S. Brunjes in Bland & Davidson Petroleum Processing Handbk. xii. 32 The Kinematic, Saybolt, Universal, redwood [sic] No. 1, and Engler scales. 1983 Buck & Hickman Catal. 1983–5 724/2 The BQ10 is..capable of dealing with heavy viscosity oils up to 600 Redwoods No 1. < as lemmas |
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