ISO 20753-2008 塑料.试样

作者:标准资料网 时间:2024-05-22 08:59:31   浏览:8182   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Plastics-Testspecimens
【原文标准名称】:塑料.试样
【标准号】:ISO20753-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-03-01
【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/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:分类;压塑成型;定义;压铸;尺寸;喷射铸造法;模制;模制材料;塑料;试样制备;抗拉试验工件;抗拉测试;抗拉试验;试样
【英文主题词】:Classification;Compressionmouldings;Definitions;Diecasting;Dimensions;Injectionmoulding;Moulding(process);Mouldings(shapedsection);Plastics;Specimenpreparation;Tensiletestpieces;Tensiletesting;Tensiletests;Testspecimens
【摘要】:1.1ThisInternationalStandardspecifiesdimensionalrequirementsrelatingtotestspecimenspreparedfromplasticsmaterialsintendedforprocessingbymoulding,aswellastotestspecimenspreparedbymachiningfromsheetsorshapedarticles.Itgives,inonedocument,thedesignationsanddimensionsoftestspecimensusedfortheacquisitionofcomparabledataandalsootherfrequentlyusedspecimens.Thefollowingtypesoftestspecimenarespecified:a)TypeA1andtypeA2specimens(1=injectionmoulded,2=machinedfromasheetorshapedarticle)Thesearetensiletestspecimensfromwhich,withsimplemachining,specimensforavarietyofothertestscanbetaken(seeAnnexA).ThetypeA1specimencorrespondstotheISO3167:2002typeAmultipurposetestspecimen.TheprincipaladvantageofamultipurposetestspecimenisthatitallowsallthetestmethodsmentionedinAnnexAtobecarriedoutbyalltestlaboratoriesonthebasisofcomparablemouldings.Consequently,thepropertiesmeasuredarecoherentasallaremeasuredusingsimilarspecimenspreparedinthesameway.Inotherwords,itcanbeexpectedthattestresultsforagivensetofspecimenswillnotvaryappreciablyduetounintentionallydifferentmouldingconditions.Ontheotherhand,ifdesired,theinfluenceofmouldingconditionsand/ordifferentstatesofthespecimenscanbeassessedwithoutdifficultyforallofthepropertiesmeasured.Alsodescribedarereduced-scaletestspecimensdesignatedtypeAxy,wherexisthenumberindicatingthemethodofspecimenpreparation(1--injectionmoulded,2=machinedfromasheetorshapedarticle)andyisanumberindicatingthescalefactor(l:y).Thesecanbeusede.g.whenfull-sizedtestspecimensarenotconvenientorwhensamplematerialexistsinsmallquantitiesonly.b)TypeBspecimensThesearebarspecimenswhichcanbedirectlymouldedorcanbemachinedfromthecentralsectionoftypeA1specimensorfromsheetsorshapedarticles.c)TypeCspecimensThesearesmalltensiletestspecimenswhichcanbedirectlymouldedormachined,e.g.fromplates(TypeDspecimens),fromthecentralsectionoftypeA1specimensorfromsheetsorshapedarticles.d)TypeD1andtypeD2specimensThesearesquareplatesofthickness1mmand2mm,respectively.IfaparticulartypeoftestspecimenisnotmentionedinthisInternationalStandard,thisdoesnotmeanthatthereisanyintentiontoexcludetheuseofthespecimen.Additionalspecimentypesmaybeaddedinfutureiftheyarecommonlyused.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:22P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Characterizationofsludges—Goodpracticeforsludgeutilisationinagriculture
【原文标准名称】:污泥特性.农业用污泥的实用规程
【标准号】:BSPDCEN/TR13097-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-07-31
【实施或试行日期】:2010-07-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisTechnicalReportdescribesgoodpracticefortheuseofsludgesinagriculture(wherenationalregulationspermit).ItisapplicabletoallofthesludgesdescribedinthescopeofCEN/TC308(andanyoftheformsinwhichtheymaybepresented-liquid,dewatered,dried,composted,etc.)i.e.sludgesfrom:-stormwaterhandling;-nightsoil;-urbanwastewatercollectingsystems;-urbanwastewatertreatmentplants;-treatingindustrialwastewatersimilartourbanwastewater(asdefinedinDirective91/271/EC[1]);-watersupplytreatmentplants;-butexcludinghazardoussludgesfromindustry.Suchsludgesmaybeusedonlandasasourceofplantnutrients,and/orsoilimprover,and/oralkalineamendmentforcropproduction.Despitedifferencesinthestatutorycontrolsbetweensewagesludgeandothersludges,theuseofalltypesofsludgeshouldfollowgoodpracticetomaximisebenefitsforthecropsorsoils,tominimisepotentialrisksofenvironmentalcontaminationandadverseimpactsonplant,animalandhumanhealth,andtoensuresustainability,energyefficiencyandcost-effectiveness.Sludgeproducersshouldbeawarethatifasludgeisusedasafertilisingoralkalineamendment,nationalorEUfertiliserorlimingregulationsmayapply.Thedocumentassumesthatanevaluationofsludgeutilisationhasalreadybeenmade,andadecisionwastakenthatuseofsludgewithinalandspreadingpolicyisthebestoption.Forevaluationanddecisionsforuseofsludges,otherdocumentshavebeendeveloped(seeCR13714,CR13846).Manycountriesand/orlocaladministrationshaveregulationsand/orstandardsand/orcodesofpracticeapplicabletotheuseofsomeofthetypesofsludgethatarewithinthescopeofthisTechnicalReport,howeveritcannot,anddoesnot,attempttosummariseortakeaccountoftheseregulations,etc.becauseoftheirverywiderange.ItisthusessentialthatthisTechnicalReportisreadinthecontextoftheconditionsthatprevaillocally.
【中国标准分类号】:B11
【国际标准分类号】:13_030_20;65_080
【页数】:28P.;A4
【正文语种】:英语


【英文标准名称】:Methodoffireresistancetestforstructuralpartsofbuildings
【原文标准名称】:建筑物结构部件的耐火试验方法
【标准号】:JISA1304-1994
【标准状态】:现行
【国别】:日本
【发布日期】:1994-02-15
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonArchitecture
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑系统构件;燃烧试验;耐火材料;施工材料
【英文主题词】:constructionsystemsparts;constructionmaterials;firetests;fire-resistantmaterials
【摘要】:この規格は,建築物の壁?柱?はり?床(天井を含む。),屋根などの構造部分の耐火試験方法について規定する。
【中国标准分类号】:Q10
【国际标准分类号】:13_220_50
【页数】:9P;A4
【正文语种】:日语