BS ISO 28079-2009 硬质合金.巴氏韧性试验
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来源:标准资料网
【英文标准名称】:Hardmetals-Palmqvisttoughnesstest
【原文标准名称】:硬质合金.巴氏韧性试验
【标准号】:BSISO28079-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-08-31
【实施或试行日期】:2009-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:硬质合金;硬度;硬度测量;硬度试验;材料;机械测试;金属;巴氏;物理性能;粉末冶金;样品;试验设备;测试
【英文主题词】:Hardmetals;Hardness;Hardnessmeasurement;Hardnesstesting;Materials;Mechanicaltesting;Metals;Palmqvist;Physicalproperties;Powdermetallurgy;Samples;Testequipment;Testing
【摘要】:
【中国标准分类号】:H22
【国际标准分类号】:77_040_10;77_160
【页数】:22P;A4
【正文语种】:英语
【英文标准名称】:TestMethodforDeterminingtheBiodegradabilityofRadiolabeledPolymericPlasticMaterialsinSeawater
【原文标准名称】:海水中无线电标签聚合塑料生物降解性的测定方法
【标准号】:ANSI/ASTMD6692-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:2001-06-10
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:biodegradability;plastics;seawater;testmethods
【摘要】:Thistestisusedtodeterminethedegreeofaerobicbiodegradationofpolymericcompoundsutilizedinplasticmaterialsbydeterminingthelevelofrespirationofsuchradiolabeledcarboncompoundstoradiolabeledcarbondioxide.Thetestisdesignedtoutilizethenaturallyoccurringmicrobesinseawaterastheinoculumfortheenrichmentandsubsequentmineralization(biodegradation)ofthetestpolymerusingitasacarbonandenergysourceresultinginacarbondioxideasanendproduct.Thetestmethodrequiresthatthepolymerstobeassayedaresynthesizedusingtheradioisotope,carbon-14,andthatthecompoundorplasticmaterialbeuniformlylabeledwithcarbon-14.Ascontrols,knownbiodegradablecompounds,suchasglucoseorstarch,alsouniformlylabeledwithcarbon-14,areruninordertodeterminethebiologicalactivityofthenaturalpopulation.Theconcentrationofaddedpolymersshallbekeptlowsoasnottocauselimitationbyoxygen,andtheseawaterinoculumisamendedwithnitrogenandphosphoruscompoundstoensurethatgrowthinnotlimitedbythesenutrients.Thesafetyproblemsandregulationsassociatedwithworkingwithradioactivematerialsarenotaddressedinthemethod.Itistheresponsibilityoftheindividualuserstoestablishandensureadherencethepropersafety,health,monitoringandallregulatorypracticesassociatedwiththeuseofradioactivecompounds.ThereisnosimilarorequivalentISOstandard.
【中国标准分类号】:Z13
【国际标准分类号】:13_060_50
【页数】:
【正文语种】:英语
MIL-HDBK-188 (VOL 1 & 2 OF 3), MILITARY HANDBOOK: GUIDE FOR DEVELOPERS AND USERS OF COMMUNICATIONS SYSTEMS STANDARDS IN THE MIL-STD-188 SERIES: VOL I - STANDARDS DEVELOPMENT AND USE/ORGANIZATIONAL RELATIONSHIPS AND VOL II - DETAILS CONCERNING STANDARDIZATION ORGANIZATION (21 JAN 1983) [NO SUPERSEDING DOCUMENT]., The prime purpose of this handbook is to provide, in a single document: guidance and reference sources for standardization policies, programs, and organizations, both national and international, which influence standardization documents in the MIL-STD-188 series.
