热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

ASTM D6457-2008 聚四氟乙烯制挤压和压缩模塑杆和厚壁管的标准规范

作者:标准资料网 时间:2024-05-17 07:38:44  浏览:8140   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforExtrudedandCompressionMoldedRodandHeavy-WalledTubingMadefromPolytetrafluoroethylene(PTFE)
【原文标准名称】:聚四氟乙烯制挤压和压缩模塑杆和厚壁管的标准规范
【标准号】:ASTMD6457-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D20.15
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:heavy-walledtubing;polytetrafluoroethylene;polytetrafluoroethylene,recycledplastic;polytetrafluoroethylene,shape;rod,polytetrafluoroethylene;Compression-moldedplasticspecimens;Extrusioncompounds(plastic)--specifications;PTFE(polytetrafluo
【摘要】:1.1Thisspecificationisintendedtobeameansofcallingoutplasticproductusedinthefabricationofenditemsorparts.1.2Thisspecificationcoversrequirementsandtestmethodsforthematerial,dimensions,andworkmanship,andthepropertiesofextruded-andcompression-moldedrod,andheavy-walledtubemanufacturedfromgranularunfilledPTFEresininaccordancewithSpecificationD4894.1.3Thisspecificationcoversrodandheavy-walledtubingmadewhollyfrompolytetrafluoroethyleneandproducedinaccordancewithgoodcommercialpractice.1.4Thepropertiesincludedinthisspecificationarethoserequiredforthecompositionscovered.RequirementsnecessarytoidentifyparticularcharacteristicsimportanttospecializedapplicationsaredescribedbyusingtheclassificationsystemgiveninSection4.1.5ThisspecificationallowsfortheuseofrecycledplasticsasdefinedinGuideD7209.1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandardinallpropertyanddimensionaltables.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;AlthoughthisspecificationandISO13000-1andISO13000-2differinapproachordetail,dataobtainedusingeitheraretechnicallyequivalent.
【中国标准分类号】:G33
【国际标准分类号】:83_140_30
【页数】:6P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Gasanalysis-Comparisonmethodsfordeterminingandcheckingthecompositionofcalibrationgasmixtures
【原文标准名称】:气体分析测定并检查标定用混合气体成分的比较方法
【标准号】:ISO6143-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-05
【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/TC158
【标准类型】:()
【标准水平】:()
【中文主题词】:校准气体;混合气体;气体分析;试验气体;分析;比较试验;定义;比较分析法;试验;化学成分;化学分析和试验;气体;含量测定;测定;组分;检验设备;比较法;校正
【英文主题词】:Analysis;Calibration;Calibrationgases;Chemicalanalysisandtesting;Chemicalcomposition;Comparativetests;Comparisonanalysis;Comparisonmethods;Composition;Concentration(chemical);Dataanalysis;Definitions;Determination;Determinationofcontent;Electricalengineering;Examination(qualityassurance);Gasanalysis;Gasmixtures;Gases;Inspectionequipment;Materialstesting;Methodsofanalysis;Testgases;Testing;Testingconditions
【摘要】:ThisInternationalStandardprovidesmethodsfor—determiningthecompositionofacalibrationgasmixturebycomparisonwithappropriatereferencegasmixtures,—calculatingtheuncertaintyofthecompositionofacalibrationgasmixtureinrelationtotheknownuncertaintyofthecompositionofthereferencegasmixtureswithwhichitwascompared,—checkingthecompositionattributedtoacalibrationgasmixturebycomparisonwithappropriatereferencegasmixtures,—comparingthecompositionofseveralcalibrationgasmixtures,e.g.forthepurposeofcomparingdifferentmethodsofgasmixturepreparation,orfortestingconsistencyamonggasmixturesofcloselyrelatedcomposition.NOTEInprinciple,themethoddescribedinthisdocumentisalsoapplicabletotheanalysisof(largely)unknownsamplesinsteadofprospectivecalibrationgasmixtures(i.e.gasmixtureswhichareintendedforuseascalibrationgasmixtures).Suchapplications,however,requireappropriatecareandconsiderationofadditionaluncertaintycomponents,forexampleconcerningtheeffectofmatrixdifferencesbetweenthereferencegasesusedforcalibrationandtheanalysedsample.
【中国标准分类号】:G85
【国际标准分类号】:71_040_40
【页数】:33P;A4
【正文语种】:英语


【英文标准名称】:Informationtechnology-SharableContentObjectReferenceModel(SCORM?)20043rdEdition-Part4:SequencingandNavigationVersion1.1
【原文标准名称】:信息技术.共享内容物件参考模型(SCORM)2004第3版.第4部分:导航.版本1.1
【标准号】:ISO/IECTR29163-4-2009
【标准状态】:现行
【国别】:国际
【发布日期】:2009-12
【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/IECJTC1/SC36
【标准类型】:()
【标准水平】:()
【中文主题词】:内容;数据交换;数据模型;数据目标;数据处理;数据结构;远程教育;可扩展标记语言;继续教育;信息交换;信息技术;交替使用性;元数据;概述;数据包;参考模型;共享内容物件参考模型(SCORM);顺序;共享内容物件参考模型;规范;教学设备;培训;可扩展标示语言(XML)
【英文主题词】:Contents;Dataexchange;Datamodels;Dataobjekt;Dataprocessing;Datastructures;E-learning;ExtensibleMarkupLanguage;Furthereducation;Informationinterchange;Informationtechnology;Interoperability;Metadata;Overviews;Packets(datatransmission);Referencemodel;SCORM;Sequences;SharableContentObjectReferenceModel;Specifications;Teachingequipment;Training;XML
【摘要】:
【中国标准分类号】:L70
【国际标准分类号】:03_100_30;35_240_99
【页数】:226P;A4
【正文语种】:英语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1