问题:分散染液处方中的磷酸二氢胺起何作用()A、缓染B、分散C、调节pH值
Friday, September 1, 2023
Saturday, October 28, 2023
Sunday, February 26, 2023
Thursday, September 22, 2022
问题:红、黄、蓝三色的余色分别为()。 A、紫、绿、橙B、黑、棕、青C、绿、紫、橙
Thursday, January 5, 2023
Thursday, September 22, 2022
问题:纺纱过程中常用的浆料有天然淀粉、变性淀粉、()、聚乙烯醇PVA和聚丙烯酸。
Thursday, March 2, 2023
Saturday, June 17, 2023
问题:分散染料染涤纶纤维时,染液中的膨化剂OP是()A、分散剂B、载体C、PH值调节剂
Thursday, September 22, 2022
问题:纺织品的染色方法有浸染和轧染,染料浓度一般均采用百分数来表示。
Saturday, October 22, 2022
Sunday, February 11, 2024
问题:涤纶织物热定形落布温度为()A、50℃以下B、50℃以上C、95℃
Thursday, October 19, 2023
问题:活性染料染色时采用一浴一步法,方法简单,色光易于控制。在补充新染料和碱剂后,染浴可连续使用。
Tuesday, September 13, 2022
Saturday, June 17, 2023
问题:所谓T/C倒混纺就是涤与棉的比例为()A、65/35B、35/65C、50/50
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Saturday, June 17, 2023
问题:棉布常用的烘燥机是()A、烘筒烘燥B、热风烘燥机C、红外线烘燥机
Tuesday, September 13, 2022
Friday, September 1, 2023