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PCS—一种新的动态光散射技术 被引量:2

PCS-a new dynamic light scattering technique
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摘要 PCS(Photon Correlaticn Spectroscopy)技术是近十年来国外迅速发展起来的一种动态光散射技术。它利用付立叶变换把功率谱函数的测量变换成PCS相关时间的测量,广泛应用于研究气体、液体、固体中的低频涨落现象(如胶体、大分子、气溶胶中粒子扩散和互相作用问题,又如液体中临界点附近的热动力学涨落)。它还可应用于测量粒子尺寸及尺寸分布。 PCS (Photon Correlation Speotroscopy) is a new dynamic light scattering technique which has been developing over the past decade. It transforms power spectrum into PCS correlation time using Fourier Transform. It can be used to study the slow fluctuation ia gases, liquids and solids(for example, the particles diffusion and interaction in colloid, macromolecules, aerosols and the thermodynamic fluctuations in liquids near the critical point).It also can be used to measure the particle size and size distribution.
作者 张谓滨
出处 《激光杂志》 CAS CSCD 北大核心 1991年第3期113-117,共5页 Laser Journal
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同被引文献6

  • 1左榘.激光散射原理及在高分子科学中的应用[M].成都,1994.251-255.
  • 2Berne B J, Pecora R. Dynamic Light Scattering (with Applications to Chemistry, Biology, and Physics). New York· London·Sydney· Toronto: John Wiley & Sons, Inc., 1976
  • 3Pecora R. Dynamic Light Scattering (Applications of Photon Correlation Spectroscopy). New York and London: Plenum Press, 1985
  • 4Cuminns H, Swinney H L. Prog. Opt., 1970, (8): 133
  • 5张渭滨,华侨大学学报,1991年,12卷,2期,151页
  • 6周祖康.动态光散射[J].化学通报,1986,10:34-39.

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