A series of dichlorobenzidine Yellow pigments were synthesized.
2
一种基于双偶氮苯聚合物可擦除的双光子偏振多元、多阶、多层光存储技术。
The invention relates to an erasable two-photon polarized multivariate, multistage and multilayer optical storage technology based on a bisazo benzene polymer.
3
介绍1990年以来变色酸双偶氮显色剂在稀土分析中应用的进展，着重介绍了新出现的显色剂。
In this paper, the development of using bi azo chromotropic acids as chromogenic reagents in re determination was reviewed, especially the new reagents introduced after 1990.
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