ASTM D5864-2005 测定润滑油或其成分水中好氧生物降解性的标准试验方法
时间:2024-05-21 08:50:24 来源: 标准资料网 作者：标准资料网 阅读：8139
【英文标准名称】:StandardTestMethodforDeterminingAerobicAquaticBiodegradationofLubricantsorTheirComponents
【原文标准名称】:测定润滑油或其成分水中好氧生物降解性的标准试验方法
【标准号】:ASTMD5864-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:生物降解能力;润滑剂;试验方法;水;水净化
【英文主题词】:aerobicbiodegradation;aquaticbiodegradation;degreeofbiodegradation;lubricantbiodegradability;municipalsewage;sewage;sludge;theoreticalCO2evolution
【摘要】:1.1Thistestmethodcoversthedeterminationofthedegreeofaerobicaquaticbiodegradationoffullyformulatedlubricantsortheircomponentsonexposuretoaninoculumunderlaboratoryconditions.1.2Thistestmethodisintendedtospecificallyaddressthedifficultiesassociatedwithtestingwaterinsolublematerialsandcomplexmixturessuchasarefoundinmanylubricants.1.3Thistestmethodisdesignedtobeapplicabletoalllubricantsthatarenotvolatileandarenotinhibitoryatthetestconcentrationtotheorganismspresentintheinoculum.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsarediscussedinSection10.
【中国标准分类号】:E34
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】:
【英文标准名称】:Characterizationofpavementtexturebyuseofsurfaceprofiles-Part4:Spectralanalysisofsurfaceprofiles
【原文标准名称】:表面外观路面结构的特性.第4部分:表面轮廓的光谱分析
【标准号】:ISO/TS13473-4-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-05
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:声信号;声学;应用;车行道(公路);分类;数据处理;定义;测定;精整;解释;轮廓的研究;测量;测量仪器;测量范围;方法;噪声降低;路面(道路);剖面高度;轮廓;轮廓曲线仪;道路磨耗层;道路上层结构;扫描;光谱分析;表面性质;表面;工艺学;测试;纹理
【英文主题词】:Acousticsignals;Acoustics;Applications;Carriageways;Classification;Dataprocessing;Definition;Definitions;Determination;Finishes;Interpretations;Investigationofprofiles;Measurement;Measuringinstruments;Measuringranges;Methods;Noisereduction;Pavements(roads);Profilheight;Profile;Profilometers;Roadcarpets;Roadsuperstructure;Scanning;Spectralanalysis;Surfaceproperties;Surfaces;Technology;Testing;Texture
【摘要】:ISO/TS13473-4:2008describesthemethodsthatareavailabletoperformaspectralanalysisofpavementsurfaceprofilesignals.Itspecifiesthreepossiblemethodsforspatialfrequencyanalysis(ortexturewavelengthanalysis)oftwo-dimensionalsurfaceprofilesthatdescribethepavementroughnessamplitudeasafunctionofthedistancealongastraightorcurvedtrajectoryoverthepavement.Theresultofthefrequencyanalysiswillbeaspatialfrequency(ortexturewavelength)spectruminconstant-percentagebandwidthbandsofoctaveorone-third-octavebandwidth.ISO/TS13473-4:2008offersthreealternativemethodstoobtainthesespectra:1)analogueconstant-percentagebandwidthfiltering;2)digitalconstant-percentagebandwidthfiltering;3)constantnarrowbandwidthfrequencyanalysisbymeansofDiscreteFourierTransform,followedbyatransformationofthenarrow-bandspectrumtoanoctave-orone-third-octave-bandspectrum.TheobjectiveofISO/TS13473-4:2008istostandardizethespectralcharacterizationofpavementsurfaceprofiles.Thisobjectiveispursuedbyprovidingadetaileddescriptionoftheanalysismethodsandrelatedrequirementsforthosewhoareinvolvedinpavementcharacterization,butarenotfamiliarwithgeneralprinciplesoffrequencyanalysisofrandomsignals.Thesemethodsandrequirementsaregenerallyapplicabletoalltypesofrandomsignals.
【中国标准分类号】:P66
【国际标准分类号】:17_140_30;93_080_20
【页数】:35P;A4
【正文语种】:英语
Product Code:SAE AMS4473
Title:Aluminum Alloy Plate (2624-T39), 4.1Cu - 1.4Mg - 0.6Mn, Solution Heat Treated, Cold Worked and Naturally Aged
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of plate.