Standard test method for twist in yarns by direct - counting 直接计数法测定纱线捻数的标准试验方法
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Textiles . determination of twist in yarns . direct counting method 纺织品.纱线捻度的测定.直接计数法
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Textiles - determination of twist in yarns - direct counting method 纺织品.纱线捻度的测定.直接计数法
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Used for direct twist measurement of single yarn and plied yarn by counting 用于单纱、股纱等进行直接计数法捻度测定。
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Test method for oxygen content using a 14 - mev neutron activation and direct - counting technique 使用14兆电子伏特的中子活化和直接计数技术测定含氧量的试验方法
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Test method rapid enumeration of bacteria in electronics - grade purified water systems by direct - count epifluorescence microscopy 用直接计数浅荧光显微镜进行电子级净化水系统中细菌的快速记数的试验方法