ASTM D5238测定棉絮潜在冒烟燃烧标准试验方法
日期:2012-02-07 17:47
pplier are advised to conduct comparative tests to determine whether a statistical bias exists between their laboratories. Competent statistical assistance is recommended for the investigation of bias. An acceptable probability level is chosen by the two parties before testing begins. As a minimum, a group of test specimens that are as homogeneous as possible and that are from a lot of material of the type in question are taken. The test specimens are then randomly assigned in equal numbers to e
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