tolidine

Methods To detect the sed occult blood of 200 specimens with both ortho-tolidine method and immunogold method.then analyse the results.

方法用邻联隐血胶体金检测试纸分别检测200例粪标本进行对照实验并分。

Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.

为合成新型热致液晶聚脲，以含液晶基元的联二（或联邻）、1，6-己二、2，4-二异氰酸酯为原料进行合成。