| 1. | Natural dyes from plant and animal products have been used since ancient times
自古代一直使用来自动植物的天然燃料。 |
| 2. | Natural dyes from plant and animal products have been used since ancient times
植物和动物生产的自然染料从古代就开始使用了。 |
| 3. | 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。 |
| 4. | There is no better way to understand the culture by experiencing it ! the volunteers tried out the traditional natural dyeing
义工一同学习传统漂染技术，亲身体验首尔传统文化。 |
| 5. | 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。 |
| 6. | 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。 |
| 7. | 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。 |
| 8. | 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。 |
