DIN 19535 T.1-1988 建筑物内耐热水排污管道用高密度聚乙烯管和管件.尺寸

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Product Code:SAE J211/1
Title:Instrumentation for Impact Test - Part 1 - Electronic Instrumentation
Issuing Committee:Safety Test Instrumentation Stds Comm
Scope:This recommended practice outlines a series of performance recommendations, which concern the whole data channel. These recommendations are not subject to any variation and all of them shall be adhered to by any agency conducting tests to this practice. However, the method of demonstrating compliance with the recommendations is flexible and can be adapted to suit the needs of the particular equipment the agency is using.It is not intended that each recommendation be taken in a literal sense, as necessitating a single test to demonstrate that the recommendation is met. Rather, it is intended that any agency proposing to conduct tests to this practice shall be able to demonstrate that if such a single test could be and were carried out, then their equipment would meet the recommendations. This demonstration shall be undertaken on the basis of reasonable deductions from evidence in their possession, such as the results of partial tests.In some systems it may be necessary to divide the whole channel into subsystems, for calibration and checking purposes. The recommendations have been written only for the whole channel, as this is the sole route by which subsystem performances affect the quality of the output. If it is difficult to measure the whole channel performance, which is usually the case, the test agency may treat the channel as two or more convenient subsystems. The whole channel performance could then be demonstrated on the basis of subsystem results, together with a rationale for combining the subsystem results together.Part 1 of this recommended practice covers electronic instrumentation and Part 2 covers photographic instrumentation.【英文标准名称】:StandardTestMethodforAcetone,MethylAcetate,andParachlorobenzotrifluorideContentofPaints,andCoatingsbySolidPhaseMicroextraction-GasChromatography
【原文标准名称】:用固相微提取气相色谱法对涂料和涂层中丙酮,甲基丙酮,对位氯苯三氟化物含量测定的标准试验方法
【标准号】:ASTMD6438-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:甲基丙酮;固相微提取;覆层;丙酮;色谱法;涂料
【英文主题词】:paints;coatings;solidphasemicroextraction;chromatography;methylacetate;acetone;parachlorobenzotrifluoride;pcbtf;spme
【摘要】:
【中国标准分类号】:G50
【国际标准分类号】:87_060_30
【页数】:4P;A4
【正文语种】:英语