lac dye

1. This review introduced researching progresses of Lac Dye's composition, characteristic and extracted technology.
   介绍了天然可食紫胶色素的组成、性及提取技术等方面的研究进展情况。
2. The copper in stick lac existed mainly in the corpses of the lac insect and that was the main pollution source causing copper pollution in laccaic acid ( lac dye).
   紫胶原胶中的铜高度富集于紫胶虫尸体之中，它是引起紫胶红色素铜污染的主要污染源。
3. Technology of natural lac dye for foods
   天然食用紫胶染色素生产技术
4. Research of Lac Dye Extraction and Harnessing Waste Liquid
   紫胶红色素提取及其废液治理的研究
5. Extraction methods of natural lac dye as well as its application to silk and cation modified cotton are discussed.
   介绍虫胶染料的几种提取方法，及其在丝和阳离子改性棉上应用的研究进展。
6. The Review of the Lac Dye 'Characteristics and Extracted Technology
   天然紫胶色素的特性及提取技术研究进展
7. Start using a key equipment of 3 layers bevel bottom type and continuous subsider and optimum seeking technological parameter, raise the yield of lac dye, and make the quality come up to advanced civil standards;
   启用三层斜底式连续沉降槽关键性装置与优选工艺参数，提高紫胶红色素得率及质量达国内先进水平。

noun

1. scarlet dye like cochineal