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单词 polydispersed
释义

polydispersedadj.

Brit. /ˌpɒlɪdᵻˈspəːst/, U.S. /ˈˌpɑlidəˈspərst/
Origin: Formed within English, by compounding. Etymons: poly- comb. form, dispersed adj.
Etymology: < poly- comb. form + dispersed adj., as alteration of polydisperse adj.
Physical Chemistry.
= polydisperse adj.
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polydisperse1915
polydispersed1941
1941 Jrnl. Franklin Inst. 231 1 Fine powders and colloidally dispersed material are also typically polydispersed.
1979 P. R. Srinavasan et al. Origins Mod. Biochem. 91 [Svedberg showed that] most proteins were monodispersed and not polydispersed as the colloid chemists had expected.
1998 Science 30 Oct. 898/2 The sodium silicate process results in spheres that are polydispersed in sphere diameter.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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adj.1941
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