A new type of flame retardant for felt was synthesized using red phosphorus,expanded graphite,chelating agent and accelerating agent.
新型毛毡阻燃剂以红磷为基础 ,配以膨胀石墨、螯合剂、促进剂合成。
As to the difficult adjustment of the gauges between the collector and the top pressure roller in conformity,modification of the collector of the card FA221A with soft felt solves the problem,and finds the difference with the equipment and the cotton web before and after the modification.
针对集棉器与上光罗拉隔距不易调为左右一致这一问题,通过对FA221A型梳棉机集棉器的改造,利用柔软的毛毡使其易于调整;经过对比试验说明集棉器改造前后对设备及棉网质量的影响,指出只要保持毛毡清洁,改造后的棉结、杂质、条干CV值均有改善,且节约成本,减少针布损伤,降低劳动强度,取得了较好的经济利益。
Based on the structure properties of fleece, two models about the calculating onthe height of capillary rise have been proposed, The model distributing fiber in threeorthogonal directions is more fittable to the test result and the need of engineering.
根据羊毛毡类多孔材料的结构特点，建立了2种计算毛细管水分吸附高度的数理模型。
Chromosome Number and Karyotype of Ardisia mamillata(Myrsinaceae);
红毛毡的染色体数目及核型报道