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近几年来,我国主要产棉省(市)的农业科研单位,逐步开展了棉纤维的物理性能测试及微量试纺工作。从接收大批测试材料中普遍发现取样不准,数量偏少的问题,如河北省收到的54个试验样品,平均皮棉重量138.4克,最少者仅15克,最多者189.3克。此外,同一样品差异也很大。这样测试的结果就不能准确地反映出真实的纤维品质。因此,对棉纤维检验的取样方法必需严格掌握。
In recent years, the agricultural research institutes in major cotton producing provinces (cities) of our country have gradually carried out the physical property testing and the micro-trial spinning of cotton fiber. From receiving a large number of test materials generally found sampling is not accurate, the number of less than the problem, such as the 54 samples received in Hebei Province, the average lint weight of 138.4 grams, the minimum of only 15 grams, up to 189.3 grams. In addition, the same sample is also very different. The result of such a test does not accurately reflect the true fiber quality. Therefore, the sampling method of cotton fiber test must be strictly controlled.