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单词 topochemical
释义 topochemical, a.|tɒpəʊˈkɛmɪkəl|
[f. topo- + chemical a.]
1. Ent. Of, pertaining to, or denoting an insect's capacity to perceive spatial relationships through the sense of smell (see quots.).
1908M. Yearsley tr. A. Forel's Senses of Insects x. 237 It is..a question of a chemical sense which gives the exact relations between the different parts of space... The faculty of smell-by-contact could be called chemaphesthesia and relational smell topochemical sense.1967J. H. Sudd Introd. Behaviour Ants ii. 17 Because the antennae are moveable and have sense organs all over the surface it has been suggested that ants can perceive spatial arrangements of chemical stimuli, rather as we can perceive patterns of colour or texture. This is the so-called topochemical sense.
2. Chem. [ad. G. topochemisch (Kohlschütter & Tüscher 1920, in Zeitschr. f. anorg. u. allgemeine Chem. CXI. 193).] Of or pertaining to topochemistry.
1920Chem. Abstr. XIV. 3202 The term topochemical is proposed as a designation of ‘locally confined’ reactions.1945Electronic Engin. XVII. 425 Not only pressure and quality of the gas play an important part in vacuum measurement but also its quantity... It may be altered by ‘topophysical’ or ‘topochemical’ effects.1948Research I. 262/2 The topochemical significance is that corrosion is almost always an electrochemical process, in which the anodic localities of corrosion are small surface elements.1967[see biogenesis 3].
Hence topoˈchemically adv.
1962Jrnl. Physical Chem. LXVI. 2442/1 Photochromy in this series is a topochemically determined phenomenon, i.e.,..the packing arrangement in the crystal is of importance.1967Science 26 May 1123/2 When the construction [of the termites] reaches a certain critical density it attracts other termites topochemically.
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