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- The anionic direct dye has lower dyeing cost and better lightfastness, while the cationic direct dye is more convenient in the process of mixing color and changing color. 而阳离子直接染料在调色过程、换色相时较便利。
- anionic direct dye 牛皮箱纸板
- Pay attention on azo free problem on direct dye, some of the direct dye used are still not Azo free. 请注意在直接染色中的要求不含氮的问题,有些在使用的直接染色仍然是含氮的。
- Mixing direct dye pansy with blue,fishing out the optimal technology of mixing colors. Guiding production and increasing the brightness of paper. 采用直接染料紫罗兰和蓝色混合 ,摸索最佳调色工艺 ,指导生产 ,提高纸的白度
- The results indicate that interrelationships do exist among the exhaustion rate of direct dye on viscose fibre, the iodine sorption value and fibre accessibility, and also the crystal length in the fibre structure. 结果表明,粘胶纤维对直接染料的上染率,与纤维吸碘值,即纤维可及度有关,且与纤维的结晶长度也有关。
- It is shown that the application of rare-earth elements to staple rayon corduroy direct dye dyeing is practicable and the effect is perfect. 作者认为稀土对人棉灯芯绒织物在直接染料染色上应用是切实可行的，效果是理想的。
- It was shown that gardenia yellow could be used for direct dyeing of silk with good exaltation properties.The dye amt. was the most important factor. 结果表明：栀子黄对丝绸织物可以直接染色，染料用量对染色结果影响最大，染料的提升性能较好。
- Jet printing for textiles with direct dye jet inks 直接染料喷射印花墨水的配制和应用
- The results showed that bamboo fibers had much higher dye affinity, dyeing heat and dyeing entropy than cotton and rayon fibers when dyed with Direct Dye Yellow G at same temps. 研究结果表明，用直接菊黄G在同一温度下染色，竹纤维的染色亲和力、染色热和染色熵都比棉和粘胶纤维要高。
- Experimental data showed that:Direct dyed fabrics got good color fastness after the sol-gel treatment by the mixed sol of Si/Ti=5:1(mol ratio). 当Si/Ti=5：1(摩尔比)时对直接染料有很好的固色效果，湿牢度普遍提高。
- It is used in the manufacturing of the fluorescent brightening agent, the direct dyes, the reactive dyes and the moth repellant, etc. 用途:用于制造荧光增白剂,直接染料、活性染料和防蛀虫剂。
- Sols for fixing water-soluble dyes were prepared, and the fixing treatment was applied to direct dyed cotton by the sol-gel process. 自行研制了用于水溶性染料固色的溶胶-凝胶对染色棉进行固色处理,讨论了整理工艺条件对固色效果的影响。
- Now the main products are acid dyes and direct dyes, with full color spectrum, which is used in dyeing leather, textile ,wool, silk, paper, etc. 目前公司的主要产品为酸性染料和直接染料，色谱齐全，主要用于皮革、纺织品、羊毛、蚕丝、纸张等的染色。
- For enhancing the fastness to light of cotton dwonproof jig dyed,direct dyes were selected and methods such as fixation and graft adopted. 对棉防羽绒布卷染时，为提高日晒牢度，对各种直接染料进行筛选，并通过多种方法如固色、接枝等谋求提高日晒牢度。
- The spent dyebath water containing these direct dyes is decolorized and used for the dyeing of fabrics with direct dyes again. 废水的颜色和主要污染来源于未上染和被水洗下来的染料。
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- The eco-friendly formaldehyde-free fixing agent using diethylenetriamine and dicyandiamide is synthesized and applied to fixation experiment of direct dyes. 以二乙烯三胺和双氰胺为主要原料合成了一种符合环保要求的无甲醛固色剂,应用到直接染料的固色实验中。
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- The colour fastness to soaping of the silk direct dyeing with tea colour and mordanted dyeing with heamatoxylin coffee, and carthamin already reach to 4 grade or more. 试验结果表明：茶叶色素直接上染丝绸，苏木黑、咖啡、红花素经铁盐或铝盐媒染丝绸，皂洗牢度均可达4级或4级以上；
- It is found that the dyeings with bifunctional reactive dyes is superior to that with direct dyes in respect of color fastness and color difference control. 结果表明,粘胶染色织物色牢度良好,色差小,比直接染料有较大的优越性。
