《【ASTM标准】E 1621 - 13》由会员分享,可在线阅读,更多相关《【ASTM标准】E 1621 - 13(9页珍藏版)》请在人人文库网上搜索。 13is 1621; in of of A in of ) an or a of by as in in be by to to of be to of an he I to be No of in to of if It is of of to of to se of...
1. ASTM E1621标准:该标准适用于X射线荧光光谱仪器的性能验证和校正,包括仪器的分辨率、计数率稳定性、线性和准确性等方面的要求。 2. ASTM E1755标准:该标准主要涉及X射线荧光光谱仪的校正和性能验证,要求对仪器的灵敏度、线性、分辨率等进行验证和校准。 三、XRF仪器校验快速化的方法 1. 校验模块化:将XRF仪器...
5.1.1 负荷测量系统━压力测量系统能够准确地记录对试样施加压缩载荷。系统应标明负载值，准确度为测量值的±1%或更好。负载的测量系统的测量精度应与实践一致证实E4。5.2 压盘━两个平板，一个固定在测试仪器的固定底座上，另一个连接在移动的十字头上，将载荷传递给试样。这些板应大于试样加载表面，以确保试样...
内容提示: Designation: D1621 − 16Standard Test Method forCompressive Properties of Rigid Cellular Plastics 1This standard is issued under the f i xed designation D1621; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year...
ASTM-E154 Water Vapor Retarders Used in Contact with Earth Under Concrete Slabs, on Walls, or as Ground Cover THS174-Q152-D25.4 ASTM-E190 Guided Bend Test for Ductility of Welds TH22ST-500-W350 ASTM-E238 Pin-Type Bearing Test of Metallic Materials THS1225 ...
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ASTM D1621 硬质泡沫塑料压缩性能的标准试验方法—引用文件 ASTM D618 Practice for Conditioning Plastics for Testing ASTM E4 Practices for Force Verification of Testing Machines ASTM E83 Practice for Verification and Classification of Extensometer Systems ...
ASTM D1448 - 11 Standard Test Method for Micronaire Reading of Cotton Fibers - See all versionsASTM D1452 - 09 Standard Practice for Soil Exploration and Sampling by Auger Borings - See all versionsASTM D1455 - 87(2008) Standard Test Method for 60° Specular Gloss of Emulsion Floor Polish...
内容提示: Designation: E572 − 13Standard Test Method forAnalysis of Stainless and Alloy Steels by WavelengthDispersive X-Ray Fluorescence Spectrometry 1This standard is issued under the f i xed designation E572; the number immediately following the designation indicates the year oforiginal adoption...
ed in accordance with Practices E83 and shall be classi?ed as a Class C or better. 5.3.2 Test Machine Crosshead Drive System—This system shall employ the position output from the crosshead drive system as a indicator of compression platen displacement. This D1621 – 10 method is only ...