NF D36-361-1998 气体燃烧器和燃气器具的零点调节器
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【英文标准名称】:Zerogovernorsforgasburnersandgasburningappliances.
【原文标准名称】:气体燃烧器和燃气器具的零点调节器
【标准号】:NFD36-361-1998
【标准状态】:现行
【国别】:法国
【发布日期】:1998-12-01
【实施或试行日期】:1998-12-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);性能规范;燃烧器;压力调节器;连接;安全工程;试验;安全;安全要求;弯曲;燃气技术;热环境系统;功能;作标记;定义;定义;扭转;材料;结构要求;漏泄试验;技术文献;气压调速器;职能;燃气器具;持久性;燃气燃烧器;燃气动力装置;尺寸;产品规范;;;
【英文主题词】:Atmosphericpressures;Bending;Burners;Connections;Constructionrequirements;Controlperformance;Definition;Definitions;Dimensions;Functions;Gasappliances;Gasburners;Gaspressuregovernors;Gastechnology;Gas-powereddevices;Leaktests;Marking;Materials;Performancespecification;Permanency;Pressureregulators;Productspecification;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Technicaldocuments;Testing;Thermalenvironmentsystems;Torsion;Zeropressure
【摘要】:
【中国标准分类号】:Q82;J16
【国际标准分类号】:23_060_40
【页数】:29P.;A4
【正文语种】:其他
【英文标准名称】:StandardGuideforCompositeSamplingandFieldSubsamplingforEnvironmentalWasteManagementActivities
【原文标准名称】:环境废物管理活动现场次级取样和复合取样的标准指南
【标准号】:ASTMD6051-1996(2006)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D34.01.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:复合取样;现场次级取样;废物;废物管理
【英文主题词】:composite;compositing;hotspot;particlesizereduction;sample;sampling;subsample;subsampling
【摘要】:Thisguideprovidesguidancetopersonsmanagingorresponsiblefordesigningsamplingandanalyticalplansfordeterminingwhethersamplecompositingmayassistinmoreefficientlymeetingstudyobjectives.Samplesmustbecompositedproperly,orusefulinformationoncontaminationdistributionandsamplevariancemaybelost.Theproceduresdescribedformixingsamplesandobtainingarepresentativesubsamplearebroadlyapplicabletowastesamplingwhereitisdesiredtotransportareducedamountofmaterialtothelaboratory.Themixingandsubsamplingsectionsprovideguidancetopersonspreparingsamplingandanalyticalplansandfieldpersonnel.Whilethisguidegenerallyfocusesonsolidmaterials,theattributesandlimitationsofcompositesamplingapplyequallytostaticliquidsamples.1.1Compositingandsubsamplingarekeylinksinthechainofsamplingandanalyticaleventsthatmustbeperformedincompliancewithprojectobjectivesandinstructionstoensurethattheresultingdataarerepresentative.Thisguidediscussestheadvantagesandappropriateuseofcompositesampling,fieldproceduresandtechniquestomixthecompositesampleandprocedurestocollectanunbiasedandprecisesubsample(s)fromalargersample.Itdiscussestheadvantagesandlimitationsofusingcompositesamplesindesigningsamplingplansforcharacterizationofwastes(mainlysolid)andpotentiallycontaminatedmedia.Thisguideassumesthatanappropriatesamplingdeviceisselectedtocollectanunbiasedsample.1.2Theguidedoesnotaddress:wheresamplesshouldbecollected(dependsontheobjectives)(seeGuideD6044),selectionofsamplingequipment,biasintroducedbyselectionofinappropriatesamplingequipment,samplecollectionproceduresorcollectionofarepresentativespecimenfromasample,orstatisticalinterpretationofresultantdataanddevicesdesignedtodynamicallysampleprocesswastestreams.Italsodoesnotprovidesufficientinformationtostatisticallydesignanoptimizedsamplingplan,ordeterminethenumberofsamplestocollectorcalculatetheoptimumnumberofsamplestocompositetoachievespecifieddataqualityobjectives(seePracticeD5792).StandardproceduresforplanningwastesamplingactivitiesareaddressedinGuideD4687.1.3Thesamplemixingandsubsamplingproceduresdescribedinthisguideareconsideredinappropriateforsamplestobeanalyzedforvolatileorganiccompounds.Volatileorganicsaretypicallylostthroughvolatilizationduringsamplecollection,handling,shippingandlaboratorysamplepreparationunlessspecializedproceduresareused.Theenhancedmixingdescribedinthisguideisexpectedtocausesignificantlossesofvolatileconstituents.Specializedproceduresshouldbeusedforcompositingsamplesfordeterminationofvolatilessuchascombiningdirectlyintomethanol(seePracticeD4547).1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z13
【国际标准分类号】:13_030_01
【页数】:7P.;A4
【正文语种】:
【英文标准名称】:Chemicalanalysisofrefractories.Silicamaterials,silico-argillaceousandargillaceousmaterials.Determinationofsilicon(methodbyinsolubilisationinhydrochloricacidmedium).
【原文标准名称】:耐火材料化学分析.硅材料、硅土材料和粘土材料.硅含量测定
【标准号】:NFB49-411-1968
【标准状态】:现行
【国别】:法国
【发布日期】:1968-01
【实施或试行日期】:1967-12-26
【发布单位】:(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Q40
【国际标准分类号】:81_080
【页数】:4P.;A4
【正文语种】:其他