1.Sulphuric acid colour is an important quality index for 2 ethylhexanol (EH) and a difficult point in process control.
硫酸度是辛醇产品的一项重要质量指标,也是生产控制中的一个难点。
2.Based on the colorimetry mechanism,the meaning oftrichroism is studied,as well as the synthetic and selecting principles of trichroism ofreactive and disperse dyes in particular.
本文从度学原理说明三原意义,并详细论述活性染料及分散染料三原的合成和筛选原则。
3.Results showed that internal electrolysis pre-treatment of yeast-producing wastewater were effective on the removal of COD and colority.What is more important is that the biod...
4.The method for determine sewage's chroma is method of dilution multiple.It's easy to bring in error when using eyes to determine the diluted sample is whether achromatism or not.