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ASTM D3775-2008 机织物纬纱和经纱计数的标准试验方法

ASTM D3775-2008 机织物纬纱和经纱计数的标准试验方法

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资料描述

【英文标准名称】: Standard Test Method for Warp (End) and Filling (Pick) Count of Woven Fabrics
【原文标准名称】: 机织物纬纱和经纱计数的标准试验方法
【标准号】: ASTM D3775-2008
【标准状态】: 现行
【国别】: 美国
【发布日期】: 2008
【实施或试行日期】:
【发布单位】: 美国材料与试验协会(US-ASTM)
【起草单位】: D13.60
【标准类型】: (Test Method)
【标准水平】: ()
【中文主题词】:
【英文主题词】: construction; fabric; filling pick count; warp end count; woven; Construction--textile fabrics/fibers; Fabric count; Woven textile fabrics
【摘要】: This test method is considered satisfactory for acceptance testing of commercial shipments because it has been used extensively in the trade for that purpose. If there are differences of practical significance between reported test results for two laboratories (or more), comparative test should be performed to determine if there is a statistical bias between them, using competent statistical assistance. As a minimum, use the samples for such a comparative test that are as homogeneous as possible, drawn from the same lot of material as the samples that resulted in disparate results during initial testing and randomly assigned in equal numbers to each laboratory. The test results from the laboratories involved should be compared using a statistical test for unpaired data, a probability level chosen prior to the testing series. If bias is found, either its cause must be found and corrected, or future test results for that material must be adjusted in consideration of the known bias.1.1 This test method covers the measurement of warp end count and filling pick count and is applicable to all types of woven fabrics. Note 18212;Historically, the term fabric count has been used to describe the end and pick count of woven fabrics. The terms warp (end) and filling (pick) count are replacing the term fabric count, to provide clarity. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
【中国标准分类号】: W60
【国际标准分类号】: 59_080_30
【页数】: 4P.;A4
【正文语种】: 英语

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