free-volume

基本解釋

The changes in intrinsic time of viscoelastic materials are usually studied in the framework of the free volume theory.
這個特征時間受多種因素的影響,如溫度、物理老化、壓力和溶劑濃度、損傷、應力水平或應變水平等。
A detailed mechanism of graded-index formation process was simulated according to the Vrentas-Duda free volume theory.
利用Vrenta-Duda自由體積擴散模型模擬了該梯度型聚合物光纖棒中折射率梯度形成的過程；
By means of positron annihilation lifetime spectra (PALS), the free volume of polymer could be tested.
通過正電子湮沒壽命譜技術(PALS)探測聚合物的自由體積特性,能夠了解聚合物的微觀性質(zhì)。
With the dehydration the free volume inside cages bacame larger, and when dehydrated to a certain degree,Bronsted acid, as the ac.
研究表明，隨著水的逐步脫除；籠內(nèi)自由體積逐步增大；當脫水至一定程度后．籠內(nèi)開始出現(xiàn)活性中心-質(zhì)子酸。
The positron annihilation technique was applied to study the relation between relative free volume and irradiated graft for PTFE.
用正電子湮沒技術研究在聚四氟乙烯輻照接枝過程中的自由體積與正電子湮沒壽命譜的關系。