天气预报 > 其他 > 棉花起球是假棉花吗
棉花起球是假棉花吗
更新时间: 2020-11-04 00:00:00  

棉花起球不是假棉花,任何表面有毛的面料,经过摩擦,表面的毛纤维都会纠结在一起,形成起球的现象。

棉花,是锦葵科(Malvaceae)棉属(Gossypium)植物的种籽纤维,原产于亚热带。植株灌木状,在热带地区栽培可长到6米高,一般为1到2米。花朵乳白色,开花后不久转成深红色然后凋谢,留下绿色小型的蒴果,称为棉铃。棉铃内有棉籽,棉籽上的茸毛从棉籽表皮长出,塞满棉铃内部,棉铃成熟时裂开,露出柔软的纤维。纤维白色或白中带黄,长约2至4厘米(0.75~1.5寸),含纤维素约87~90%,水5~8%,其他物质4~6%。棉花产量最高的国家有中国、美国、印度等。

关键词: 棉花

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