根据沥青显微结构和光性特征划分了沥青的演化阶段。
At last, based on the characteristics of microstructures, class fied the evolutionary phases of bitumens.
沉积有机相的区分主要依据源岩有机质的地球化学性质和光性特征。
It is usually divided based on the organic geochemical method combined with the optical characteristics of organic matter.
在淀粉样蛋白的组织检查中最可靠的技术是刚果红或天狼星红染色切片在偏振光检查下出现特征性双折射。
In the examination of tissue for amyloid the most reliable technique is detection of the characteristic birefringence in polarised light exhibited by sections stained with Congo red or Sirius red.
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