a blue dye obtained from plants or made synthetically
例句
It excelled at treating indigotin printing &dyeing wastewater,and the maximal removal efficiencies of COD and chroma were 79.2% and 87.6%,respectively. 它能有效去除靛蓝印染废水中的COD和色度;两者的最大去除率分别为79.;2%25和87
The Indigotin dye wastewater was treated by PAC as a flocculant,the optimum conditions were determined by orthogonal experiment. 本实验使用PAC作为絮凝剂,对染纱厂牛仔布染织过程中所产生的靛蓝染料废水进行了相应的处理。
The dye used for printing the blue calico is the indigotin exacted from the bluegrasses, with clear and bright color as well as high environment-protection efficiency. 蓝印花布一般可分为蓝地白花和白地蓝花两种形式。蓝地白花布只需用一块花版印花，构成纹样的斑点互不连接，例如：梅、兰、竹、菊。
Although the chemical formulae of indirubin and indigotin are the same but the structures are different, and indigotin does not possess the anti cancer characteristics. 虽然靛玉红与靛蓝的化学方程式一样但其构造式不同。靛蓝没有抗癌之作用。
