Relation among feeding roving gauge, twist factor and yarn property were researched, property of polyacrylonitrile preliminary heat treatment in oxidizing polyester filament core-spun yarn was tested.
研究了喂入粗纱间距、捻系数与成纱性能的关系，测试分析了聚丙烯腈预氧化纤维涤纶长丝包芯纱的性能。
The influences of such factors as temperature, active chlorine content, salt content on the(oxidizing) property of sodium hypochlorite solution are studied by experiments.
实验研究了温度、有效氯含量、含盐量等因素对次氯酸钠溶液氧化性的影响。
The oxidizing resin had the property of oxidizing primary alkyl iodides, alkyl bromides, allylc and benzylic halides to aldehydes and excellent yields were obtained.
用该氧化树脂氧化双溴代物可得到良好产率的单醛；
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