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sigma aromaticity
释义
sigma aromaticity
Encyclopedia
理学
计算与理论化学
释
sigma aromaticity
σ芳香性
环状饱和分子中由σ电子离域获得的相对稳定性,使该分子具有环的共平面性、化学上的稳定性、低场1H NMR位移、负的核独立化学位移以及顺时针磁感应电流等特性。
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planetary data system,PDS
planetary dynamo
planetary embryo
planetary ephemeris
planetary evolution
planetary exploration
planetary gear drive
planetary geodesy
planetary geology
planetary interior or planetary internal structure
planetary/interplanetary probe
planetary ionosphere
planetary magnetic field
planetary magnetosphere
planetary-mass companion
planetary-mass object
planetary meteorology
planetary mill
planetary motion
planetary nebula
planetary nomenclature
planetary nutation terms
planetary occultation
planetary occultation of star
planetary orbit
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更新时间:2026/3/10 1:20:38