ASTM E1050-98(2006) 发布 1998年 总页数 11页 发布单位 美国材料与试验协会 替代标准 ASTM E1050-07 当前最新 ASTM E1050-24 适用范围 该测试方法可用于测量吸声材料在法向入射时的吸声系数,即0°。它还可用于确定特定的阻抗和导纳比。该测试方法测量的性能可用于吸声材料的基础研究和产品开发。在某些情况...
Designation: E 1050 – 98 Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System1 This standard is issued under the ?xed designation E 1050; the number immediately following the designation indicates the year ...
ASTME1050-98,ASTME1050-12 检测标准/方法:阻抗管法测量声学材料的声阻抗和吸声系数的标准测试方法 检测对象:吸声材料 检测项目/参数:吸声系数 相关标准 《GB/T18696.2-2002,ISO10534-2:1998,JISA1405-2-2007》声学 阻抗管中吸声系数和声阻抗的测量 第2部分:传递函数法 《ASTME1050-98,ASTME1050-12》阻抗管法...
ASTM E1050仪器 EN KR JP ES RU DE 本专题涉及ASTM E1050仪器的标准有14条。 国际标准分类中,ASTM E1050仪器涉及到建筑物的防护、管道部件和管道、办公机械。 在中国标准分类中,ASTM E1050仪器涉及到声学计量、胶管、胶带、胶布、办公用品及办公机具。
HISTORICAL EDITIONS: ASTM E1050-19, ASTM E1050-12, ASTM E1050-10, ASTM E1050-08, ASTM E1050-07, ASTM E1050-98(2006), ASTM E1050-98 ASTM D2063/D2063M-24 Standard Test Methods for Measurement of Torque Retention for Packages with Continuous Thread Closures Using Non-Automated (Manual)...
HISTORICAL EDITIONS: ASTM E1050-19, ASTM E1050-12, ASTM E1050-10, ASTM E1050-08, ASTM E1050-07, ASTM E1050-98(2006), ASTM E1050-98 ASTM D2063/D2063M-24 Standard Test Methods for Measurement of Torque Retention for Packages with Continuous Thread Closures Using Non-Automated (Manual)...
ASTM E1050 - 12 Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System - See all versionsASTM E1052 - 11 Standard Test Method to Assess the Activity of Microbicides against Viruses in Suspension - See all ...
A 407 Type E A407TypeE A 407 Type F A407TypeF A 407 Type G A407TypeG A 407 Type H A407TypeH A 407 Type I Class 1 A407TypeIClass1 A 407 Type I Class 2 A407TypeIClass2 A 407 Type J Class 1 A407TypeJClass1 A 407 Type K A407TypeK A 413 Grade 30 A413Grade30...
ASTM A182 F53美标法兰的标准主要包括化学成分、力学性能和热处理要求。 化学成分 ASTM A182 F53双相不锈钢的化学成分如下: 碳(C):≤0.030% 硅(Si):≤0.80% 锰(Mn):≤1.20% 磷(P):≤0.035% 硫(S):≤0.020% 铬(Cr):24.0-26.0% 镍(Ni):6.0-8.0% 钼(Mo):3.0-5.0% ...
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...