| 1. | Natural dyes from plant and animal products have been used since ancient times
从古代就开始使用从植物和动物中提取的天然染料。 |
| 2. | Research on dyeing performance of natural dyestuff in producing color paper mould packaging products
天然染料生产彩色纸浆模塑包装制品染色性能的研究 |
| 3. | The object of this paper is studied to the possibility of extracting colourants from carthani flos and coptidis thizoma
研究发现两种天然染料对羊毛以酸性媒染染法染色最具染色性，且因不同的媒染剂的结合而有不同的色相及坚牢度。 |
| 4. | While this natural dye is harmless , man - made pollution clouds the future of these fountains ? a fact floridians must now confront
虽然这样的天然染料是无害的，但是这些泉水的纯洁依然被人造污染的乌云笼罩，这是弗罗里达人必须面对的一个事实。 |
| 5. | With metal salts and organic acids as mordant , the dyeing properties of madder fabric dyed with sorghum red , a natural dye , were studied using pre - mordant and post - mordant methods
摘要分别以金属盐和有机酸为媒染剂，研究了天然染料高粱红对亚麻织物的预媒、后媒法染色性能。 |
| 6. | For the reason of an ecological and health point , natural dyes are superior to synthetic dyes and extremely welcome possibility in order to spare fossil resources
摘要本实验主要是针对当前合成染料对环境和生态的破坏而以环保的观点，以中药材红花、黄连萃取出天然染料色素对织物进行染色来研究其可行性。 |
| 7. | The natural dye sorghum red was extracted from sorghum and tested for dyeing cotton by orthogonal and single - factor expts . with direct , pre - mordant and post - mordant dyeing methods
摘要先对高粱红天然染料进行提取，然后通过正交试验及单因素试验对棉织物进行了直接染色、预媒法染色、后媒法媒染染色试验。 |
| 8. | Both colourants showed high affinity to wool and cotton produced yellow to brown colour , and the fastness properties of all the dyed samples were in accord with commercial reguirements
由结果得知此两种天然染料的耐水洗、耐升华牢度、耐日光牢度均优异，大体而言，此两种染料从产能上、染色性上、牢度上评估后，具有相当之实用性。 |
