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ISO 8779-2001 聚乙烯灌溉支管规范

作者:标准资料网 时间:2024-05-14 09:09:16  浏览:8202   来源:标准资料网
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【英文标准名称】:Polyethylene(PE)pipesforirrigationlaterals-Specifications
【原文标准名称】:聚乙烯灌溉支管规范
【标准号】:ISO8779-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-08
【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/TC138
【标准类型】:()
【标准水平】:()
【中文主题词】:管;壁厚;灌溉;配件;尺寸;尺寸;塑料;定义;聚乙烯;聚乙烯;塑料管;灌溉工程;机械性能;管道系统;试验;材料;作标记
【英文主题词】:Definitions;Dimensions;Fittings;Irrigation;Irrigationworks;Marking;Materials;Mechanicalproperties;PE;Pipesystem;Pipes;Plasticpipes;Plastics;Polyethylene;Size;Tests;Wallthicknesses
【摘要】:ThisInternationalStandardspecifiesthetestmethodsandrequiredpropertiesforpipesmadefrompolyethylene(PE),andintendedtobeusedforirrigationlaterals.ThisInternationalStandardisapplicabletopipesdesignatedasPE32,PE40andPE63inaccordancewithISO12162:1995,havinganominalpressureofPN2,5,PN4,PN6andPN10,anominaloutsidediameterfrom12to32inclusiveandintendedtobeusedfortheconveyanceofwaterunderpressureattemperaturesupto45℃forirrigationpurposes,asspecifiedinA.1ofannexA.
【中国标准分类号】:B91;G33
【国际标准分类号】:23_040_20
【页数】:7P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodsforLeadinWater
【原文标准名称】:水中铅含量的标准试验方法
【标准号】:ASTMD3559-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D19.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;铅;水;含量测定
【英文主题词】:atomicabsorption;chelation-extration;graphitefurnacespectrophotometry;lead;voltammetry;
【摘要】:ThetestforleadisnecessarybecauseitisatoxicantandbecausethereisalimitspecifiedforleadinpotablewaterintheNationalInterimPrimaryDrinkingWaterRegulations.Thistestservestodeterminewhethertheleadcontentofpotablewaterisaboveorbelowtheacceptablelimit.1.1Thesetestmethodscoverthedeterminationofdissolvedandtotalrecoverableleadinwaterandwastewaterbyatomic-absorptionspectrophotometryanddifferentialpulseanodicstrippingvoltammetry.Fourtestmethodsareincludedasfollows:ConcentrationRangeSectionsTestMethodA-AtomicAbsorption,Direct1.0to10mg/L7to15TestMethodB-AtomicAbsorption,Chelation-Extraction100to1000956;g/L16to24TestMethodC-DifferentialPulseAnodicStrippingVoltammetry1to100956;g/L25to35TestMethodD-AtomicAbsorption,GraphiteFurnace5to100956;g/L36to441.2TestMethodBcanbeusedtodetermineleadinbrines.TestMethodDhasbeenusedsuccessfullywithreagentwater,lakewater,wellwater,filteredtapwater,condensatefromamediumBtucoalgasificationprocess,wastetreatmentplanteffluent,andaproductionplantprocesswater.1.3Itistheuser'sresponsibilitytoensurethevalidityofthesetestmethodsforwatersofuntestedmatrices.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardsstatements,see10.4.1,Note2,11.2,11.3,21.7,21.8,21.11,23.7,23.10,32.2.1,and33.1.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:16P.;A4
【正文语种】:


【英文标准名称】:StandardSpecificationforAviationGasolines
【原文标准名称】:航空汽油标准规格
【标准号】:ASTMD910-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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.J0.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:航油;航空汽油;汽油
【英文主题词】:Avgas;aviationgasoline;gasoline
【摘要】:1.1Thisspecificationcoversformulatingspecificationsforpurchasesofaviationgasolineundercontractandisintendedprimarilyforusebypurchasingagencies.1.2Thisspecificationdefinesspecifictypesofaviationgasolinesforciviluse.Itdoesnotincludeallgasolinessatisfactoryforreciprocatingaviationengines.Certainequipmentorconditionsofusemaypermitawider,orrequireanarrower,rangeofcharacteristicsthanisshownbythisspecification.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.
【中国标准分类号】:
【国际标准分类号】:75_160_20
【页数】:8P.;A4
【正文语种】: