| 释义 |
phototropy|fəʊˈtɒtrəpɪ|
[ad. G. phototropie (W. Marckwald 1899, in Zeitschr. f. physik. Chem. XXX. 140), f. Gr. ϕωτο- (see photo-) + -τροπία turning.]
= photochromism, phototropism 2.
1900Sci. Amer. 24 Feb. 123/2 To these phenomena the experimenter gives the name of phototropy. 1929[see phototropic a. 2]. 1949Thorpe's Dict. Appl. Chem. (ed. 4) IX. 585/2 There is evidence..that phototropy is not a purely physical phenomenon. 1954Jrnl. Amer. Chem. Soc. LXXVI. 3846/1 Observations on the phenomenon of phototropy in alkaline earth titanates. 1971R. L. M. Allen Colour Chem. iii. 23 The stereoisomerism of azo dyes is of practical importance..in that it gives rise to the phenomenon of phototropy. |