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physical age 實際年齡,生理齡。

physical astronomy

Abstract : positron spectroscopy is a new and sensitive microanalytical probe for characterization of polymer microstructures . we report recent advances in this area , including studies on the free volume properties , structural transition , miscibility of blending polymers , physical aging , doping of functional polymers , interfacial interaction of multiphase polymers , etc 文摘:簡要介紹了近年來正電子譜學在聚合物微結構研究中的主要應用及進展.大量實驗事實表明,正電子譜學是表征高聚物微結構的極靈敏方法

Rubber - or plastic - coated fabrics - accelerated ageing tests - part 2 : physical ageing : effect of light or weathering ; german version en 12280 - 2 : 2001 橡膠和塑料涂層織物.加速老化試驗.第2部分:光和風化

This assistant gm believes - - as does kobe - - that bryant ' s nba minutes may be far less relevant than his physical age 這個總經理助手和科比都認為,科比在nba的上場時間可能和他的身體年齡關系不大。

Rubber - or plastics - coated fabrics - accelerated ageing tests - part 2 : physical ageing : effect of light or weathering 橡膠和塑料涂層織物.加速老化試驗.第2部分:物理老化.光或氣候老化作用

Rubber - or plastics - coated fabrics - accelerated ageing tests - physical ageing : effect of light or weathering 橡膠或塑料涂層織物.加速老化試驗.物理性老化:光和氣候的影響

Effects of physical aging on mechanical properties and morphological structure of amorphous pes copolymer 物理老化對非晶態聚醚砜共聚物力學性能和形態結構的影響