【英文标准名称】:Guidanceontheselectionandusageofacceptancesamplingsystemsforinspectionofdiscreteitemsinlots-Part1:Acceptancesampling
【原文标准名称】:不连续性项目批量检验用验收取样系统选择和使用指南.第1部分:验收取样
【标准号】:ISO/TR8550-1-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-06
【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/TC69
【标准类型】:()
【标准水平】:()
【中文主题词】:验收;验收(鉴定);验收试验;计数检验;质量控制;样品试验;抽样表;统计方法分析;统计学;测试
【英文主题词】:Acceptance;Acceptance(approval);Acceptancetests;Inspectionbyattributes;Qualitycontrol;Sampletests;Samplingtables;Statisticalmethodsofanalysis;Statistics;Testing
【摘要】:ThispartofISO/TR8550givesgeneralguidanceontheselectionofanacceptancesamplingsystem,schemeorplan.Itdoesthisprincipallyinthecontextofstandardsthateitheralreadyexistorarepresentlyunderdevelopment.(Formoredetailedinformationaboutspecificacceptancesamplingsystems,seeISO/TR8550-2forsamplingbyattributesorISO/TR8550-3forsamplingbyvariables.)TheguidanceinthispartofISO/TR8550isconfinedtoacceptancesamplingofproductsthataresuppliedinlotsandthatcanbeclassifiedasconsistingofdiscreteitems(i.e.discretearticlesofproduct).Itisassumedthateachiteminalotcanbeidentifiedandsegregatedfromtheotheritemsinthelotandhasanequalchanceofbeingincludedinthesample.Eachitemofproductiscountableandhasspecificcharacteristicsthataremeasurableorclassifiableasbeingconformingornonconforming(toagivenproductspecification).Standardsonacceptancesamplingaretypicallygeneric,asaresultofwhichtheycanbeappliedtoawidevarietyofinspectionsituations.Theseinclude,butarenotlimitedto,thefollowing:a)enditems,suchascompleteproductsorsub-assemblies;b)componentsandrawmaterials;c)services;d)materialsinprocess;e)suppliesinstorage;f)maintenanceoperations;g)dataorrecords;h)administrativeprocedures.AlthoughthispartofISO/TR8550iswrittenprincipallyintermsofmanufactureandproduction,thisshouldbeinterpretedliberally,asitisapplicabletotheselectionofsamplingsystems,schemesandplansforalltypesofproductsandprocessesasdefinedinISO9000.
【中国标准分类号】:A41
【国际标准分类号】:03_120_30
【页数】:38P;A4
【正文语种】:英语
基本信息
| 标准名称： | 茶叶揉捻机产品质量分等 检验规则 |
| 替代情况： | JB/NQ138.3-87 |
| 发布部门： | 中国农机院 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1900-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
适用范围
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前言
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目录
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引用标准
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所属分类： 仪器 仪表 光学仪器 光学仪器综合 计量学和测量 物理现象 光学和光学测量 光学和光学测量综合
【英文标准名称】:StandardPracticeforCalculationofSupersaturationofBariumSulfate,StrontiumSulfate,andCalciumSulfateDihydrate(Gypsum)inBrackishWater,Seawater,andBrines
【原文标准名称】:微咸水、海水及盐水中硫酸钡、硫酸锶和无水硫酸钙(石膏)超饱和度计算的标准实施规程
【标准号】:ASTMD4328-2003
【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】:(Practice)
【标准水平】:()
【中文主题词】:水;工艺;硫酸钡;卤水(防腐剂);锶;含量测定;数学计算;海水;饱和
【英文主题词】:bariumsulfate;brines;calciumsulfatedihydrate;strontiumsulfate;
【摘要】:Thispracticecoversthemathematicalcalculationofthesupersaturationofthreeprincipalsulfatescalingcompoundsfoundinindustrialoperations.Applicationofthisstandardpracticetothepredictionofscaleformationinagivensystem,however,requiresexperience.Thecalculationstelltheuserifawater,ormixtureofwaters,isinascalingmode.Whetherornotscalewillinfactform,howquicklyitwillform,whereitwillform,inwhatquantities,andwhatcompositionaresubjecttofactorsbeyondthescopeofthispractice.However,basedonhowsupersaturatedagivenwaterormixtureofwatersis,anobjectiveevaluationoftherelativelikelihoodofscaleformationcanbemade.Note18212;Thereareseveralpersonalcomputer(PC)typeprogramsthatarebothavailablecommerciallyandpubliclythatwillperformthesecalculations.1.1Thispracticecoversthecalculationofsupersaturationofbariumsulfate,strontiumsulfate,andcalciumsulfatedihydrate(gypsum)inbrackishwater,seawater,andbrinesinwhichbarium,strontium,andcalciumionseithercoexistorexistindividuallyinsolutioninthepresenceofsulfateions.1.2Thispracticeisnotapplicableforcalculatingcalciumsulfatedihydratesupersaturationifthetemperaturesofsalinewatersunderinvestigationexceed95176;C.Attemperaturesabove95176;C,hemianhydrateandanhydritewouldbemajorinsolubleforms.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_30
【页数】:6P.;A4
【正文语种】: