已选分类
工学纺织科学与工程
问答题Which are the pre-processes for cotton, wool and ramie?
问答题Indicate the relationship between tpi(turns per inch) and TM (twist multiple).
问答题论述从原料到细纱影响纱线条干均匀度的因素。
问答题Which machines are combined in a opening line?
问答题Indicate the processing of opening, blending and cleaning for cotton.
问答题Indicate the process of rotor spinning.
问答题分析毛精梳机工艺参数对毛条质量及制成率的影响（至少4项工艺参数）？
问答题Indicate the processing of a flat card.
问答题简述细纱强力的构成，并从原料到纱线论述影响棉纱强力的因素。
问答题Indicate the object and the classification of autoleveller.
问答题Indicate the main drafting systems in draw frame, roving machine and ring spinning machine.
问答题何谓自由状态开松、握持状态开松？是说明其特点。
问答题现生产的棉纱条干较差，请分析问题的原因及采取何措施提高条干（从原料到细纱工序）？
问答题何谓毛条制造？写出典型的毛条制造工艺流程及各道机器名称。其中直型精梳机在生产中有哪些工艺参数需要调整，简析它们对精梳质量和制成率的影响。(至少4个)
问答题Indicate the tasks of drawing anc~ doubling.
问答题Indicate the processes of cotton spinning system.
问答题Which are the main tasks in the processes of roving and spinning.
问答题用下列原料按给定重量比例进行混条，要求最后得到单重为20克/米的混合条子。请进行混条设计(写出混条步骤，计算每道混条的牵伸倍数，喂入根数及出条重量)。
问答题Indicate the main objectives of the following processes: opening and cleaning, carding, and combing.
问答题Which factors determine carding actions?