GB/T 18525.6-2001 桂圆干辐照杀虫防霉工艺
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来源:标准资料网
基本信息
| 标准名称： | 桂圆干辐照杀虫防霉工艺 |
| 英文名称： | Code of good irradiation practice for insect disinfestation and control mildew in dried longan |
| 中标分类： |
食品 >>
食品综合 >>
基础标准与通用方法 |
| ICS分类： |
食品技术 >>
食品试验和分析的一般方法
|
| 发布部门： | 中华人民共和国国家质量监督检验检疫总局 |
| 发布日期： | 2001-01-02 |
| 实施日期： | 2002-03-01 |
| 首发日期： | 2001-12-05 |
| 作废日期： | 1900-01-01 |
| 主管部门： | 中华全国供销合作总社 |
| 归口单位： | 中华全国供销合作总社 |
| 起草单位： | 福建省农业科学院稻麦研究所 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2004-04-18 |
| 页数： | 平装16开， 页数：5， 字数：6千字 |
| 书号： | 155066.1-18172 |
适用范围
本标准规定了桂圆干辐照杀虫、防霉变的工艺和要求。本标准适用于包装桂圆干辐照杀虫、防霉。
前言
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引用标准
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所属分类： 食品 食品综合 基础标准与通用方法 食品技术 食品试验和分析的一般方法
【英文标准名称】:SpecificationforCold-expansionFittingswithMetalCompression-sleevesforCross-linkedPolyethylene(PEXPipe
【原文标准名称】:交联聚乙烯(PEX管)用带有金属压缩管套的冷膨胀配件用规范
【标准号】:ANSI/ASTMF2080-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-11-27
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:交联;交联材料;膨胀;配件;金属;管道配件;管道;管;塑料管;聚乙烯;管套
【英文主题词】:Cross-linked;Cross-linkedmaterials;Expansion;Fittings;Metals;Pipefittings;Pipelines;Pipes;Plasticpipes;Polyethylene;Sleeves
【摘要】:Thisspecificationcoverscold-expansionfittingsusingmetalcompression-sleevesforusewithcross-linkedpolyethylene(PEX)plasticpipein3/8-in.,1/2-in.,5/8-in.,3/4-in.,1-in.,11/4-in.,11/2-in.,and2in.nominaldiameters,wherebythePEXpipeiscold-expandedbeforefittingassembly.Thesecold-expansionfittingsandmetalcompression-sleevesareintendedforuseinresidentialandcommercial,hotandcold,potablewaterdistributionsystems,aswellassealedcentralheating,includingunder-floorheatingsystems,withcontinuousoperationatpressuresuptoandincluding100psi(690kPa),andattemperaturesuptoandincluding180F(82C).Includedinthisspecificationaretherequirementsformaterials,workmanship,dimensions,andmarkingstobeusedonthefittingsandcompression-sleeves.PerformancerequirementsareasreferencedinSpecificationF877.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIvaluesstatedinparenthesesareprovidedforinformationpurposesonly.Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section10,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:23_040_40
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforConditionMonitoringofOxidationinIn-ServicePetroleumandHydrocarbonBasedLubricantsbyTrendAnalysisUsingFourierTransformInfrared(FT-IR)Spectrometry
【原文标准名称】:使用傅里叶变换红外(FT-R)光谱法通过趋势分析监控使用中的石油和碳氢化合物基润滑剂中的磷酸酯抗磨剂的氧化状态的标准试验方法
【标准号】:ASTMD7414-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:D02.96
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:条件控制
【英文主题词】:conditionmonitoring;differentialtrendanalysis;directtrendanalysis;Fouriertransforminfrared;FT-IR;hydrocarbonbasedlubricants;in-servicepetroleumlubricants;infrared;IR;lubricants;oils;oxidation
【摘要】:Alargenumberofcompounds,suchasaldehydes,ketones,esters,andcarboxylicacids,areproducedwhenoilsreactwithatmosphericoxygen.OxidationismeasuredusingacommonFT-IRspectralfeaturebetween1800and1670cm-1causedbytheabsorptionofthecarbonylgrouppresentinmostoxidationcompounds.Theseoxidationproductsmayleadtoincreasedviscosity(causingoilthickeningproblems),acidity(causingacidiccorrosion),andformationofsludgeandvarnish(leadingtofilterplugging,foulingofcriticaloilclearancesandvalvefriction).Monitoringofoxidationproductsisthereforeanimportantparameterindeterminingoverallmachineryhealthandshouldbeconsideredinconjunctionwithdatafromothertestssuchasatomicemission(AE)andatomicabsorption(AA)spectroscopyforwearmetalanalysis(TestMethodD5185),physicalpropertytests(TestMethodsD445andD6304),basereserve(TestMethodD2896andD4739),acidnumbertests(TestMethodsD664andD974)andotherFT-IRoilanalysismethodsfornitration(PracticeE2412),sulfateby-products(TestMethodD7415),additivedepletion(TestMethodD7412),breakdownproductsandexternalcontaminants(PracticeE2412),whichalsoassesselementsoftheoilx2019;scondition,seeRefs(1-6).1.1Thistestmethodcoversmonitoringoxidationinin-servicepetroleumandhydrocarbonbasedlubricantssuchasindieselcrankcase,motor,hydraulic,gearandcompressoroils,aswellasothertypesoflubricantsthatarepronetooxidation.1.2ThistestmethodusesFourierTransformInfrared(FT-IR)spectrometryformonitoringbuild-upofoxidationproductsinin-servicepetroleumandhydrocarbonbasedlubricantsasaresultofnormalmachineryoperation.Petroleumandhydrocarbonbasedlubricantsreactwithoxygenintheairtoformanumberofdifferentchemicalspecies,includingaldehydes,ketones,esters,andcarboxylicacids.Thistestmethodisdesignedasafast,simplespectroscopiccheckformonitoringofoxidationinin-servicepetroleumandhydrocarbonbasedlubricantswiththeobjectiveofhelpingdiagnosetheoperationalconditionofthemachinebasedonmeasuringthelevelofoxidationintheoil.1.3AcquisitionofFT-IRspectraldataformeasuringoxidationinin-serviceoilandlubricantsamplesisdescribedinPracticeD7418.Inthistestmethod,measurementanddatainterpretationparametersforoxidationusingbothdirecttrendanalysisanddifferential(spectralsubtraction)trendanalysisarepresented.1.4Thistestmethodisbasedontrendingofspectralchangesassociatedwithoxidationofin-servicepetroleumandhydrocarbonbasedlubricants.Warningsoralarmlimitscanbesetonthebasisofafixedminimumvalueforasinglemeasurementor,alternatively,canbebasedonarateofchangeoftheresponsemeasured,seeRef(1).1.4.1Fordirecttrendanalysis,valuesarerecordeddirectlyfromabsorptionspectraandreportedinunitsofabsorbanceper0.1mmpathlength.1.4.2Fordifferentialtrendanalysis,valuesarerecordedfromthedifferentialspectra(spectrumobtainedbysubtractionoftheabsorptionspectrumofthereferenceoilfromthatofthein-serviceoil)andreportedinunitsof100*absorbanceper0.1mmpathlength(orequivalentlyabsorbanceunitspercentimetre).1.4.3Ineithercase,maintenanceactionlimitsshouldbedeterminedthroughstatisticalanalysis,historyofthesameorsimilarequipment,roundrobintestsorothermethodsinconjunctionwiththecorrelationofoxidationchangestoequipmentperformance.
