| 释义 |
macro-scale|ˈmækrəʊskeɪl|
Also macro scale, macroscale.
[f. macro- + scale n.3]
A large or macroscopic scale; spec. in Chem., the scale of macroanalysis.
Macro is freq. apprehended as an adj. qualifying scale (cf. macro- 2).
1931J. W. Brown in C. A. Mitchell Recent Adv. Analytical Chem. II. xv. 304 Developments in the application of general macro-scale chemical methods of qualitative and quantitative analysis to amounts of material 50, 100 or 1,000 times smaller. 1941J. H. Reedy Elem. Qualitative Analysis (ed. 3) 2 Formerly chemical analysis was carried out on a ‘macro’ scale, using considerable amounts of material. 1964N. G. Clark Mod. Org. Chem. xxiv. 496 Quantitative analysis was originally designed to be performed on a sample of 0·4–1·0 g for each elemental determination (only carbon and hydrogen are estimated on the same sample); this is called the macro-scale. 1968C. A. Doxiadis Between Dystopia & Utopia 52 Also, we should not forget that projecting in the macro-scale..is easier than in the micro-scale. It is easier to predict where the future population will settle in one generation than what type of house, or dress, a certain lady is going to like next year. 1970Interior Design Dec. 767/1 Nevertheless, changes will occur, of course, but on a micro- not macro⁓scale. 1972Physics Bull. Nov. 668/1 A polymer crystallized from the melt will show, on a macroscale, random crystalline orientation. |