ASTM E1050是美国材料和试验协会(ASTM International)发布的标准,全称为"Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System"(使用管道、两个麦克风和数字频率分析系统测量声学材料的阻抗和吸收性能的标准测试方法)。 该标...
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´1N OTE—Method E142was removed editorially from Section2and X1.1.2was corrected in April2011.´2N OTE—SI units were removed editorially from Elongation heading in Table S6.1in March2012.1.Scope 1.1This specification covers zirconium and zirconium-alloy castings for general corrosion-...
E527Practice for Numbering Metals and Alloys in the Unified Numbering System(UNS)E562Test Method for Determining V olume Fraction by Systematic Manual Point Count 2.2SAE Document:3 SAE J1086Recommended Practice for Numbering Metals and Alloys(UNS)3.Ordering Information 3.1It is the ...
深圳市实测通技术服务有限公司 提供的 美国标准ASTM E 1050 吸音效果测试,Testitem 测试名称:Absorptionand Impedance Measurements 吸音效果Sample size送样规格:20m2Lead time测试周期: 常规 Regular
Designation: E1050 − 12Standard Test Method forImpedance and Absorption of Acoustical Materials Using aTube, Two Microphones and a Digital Frequency AnalysisSystem1This standard is issued under the fixed designation E1050; the number immediately following the designation indicates the year oforiginal ...
Intertek offers Testing solutions for ASTM E1050, Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System
ASTM 标准 1050 12 《【ASTM标准】E 1050 - 12》由会员分享,可在线阅读,更多相关《【ASTM标准】E 1050 - 12(12页珍藏版)》请在人人文库网上搜索。 12a is 1050; in of of A in of ) an or of an a of of is he I to be No of in to if It is of to to 002)0534:05342 he in is to...
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 ...