生物吸收系数是某元素在有机体（通常是植物）灰分中的含量与该元素在生长这种植物的土壤中的含量比例，即Ax=Lx/nx 。
目的研究获得具有红光区高吸收系数的新型光敏剂的结构及其光生物活性。
Objective To explore the possibitlity to obtain new photosensitizers with high absorption coefficient in red band of the spectra.
利用该程序详细讨论了散射系数、吸收系数以及散射体大小等对生物组织内光传输特性的影响。
And the influence of the scattering coefficient, absorption coefficient and size of scatters in tissue on propagation of light in tissue is studied in detail.
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