ANSI S4.57-1997 法医用推荐规程.用于检验的操纵记录视听资料
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来源:标准资料网
【英文标准名称】:RecommendedPracticeforForensicPurposes-ManagingRecordedAudioMaterialsIntendedforExamination
【原文标准名称】:法医用推荐规程.用于检验的操纵记录视听资料
【标准号】:ANSIS4.57-1997
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【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】:
【标准类型】:()
【标准水平】:()
【中文主题词】:听力测定;视听资料;试验;试验
【英文主题词】:audiometry;audiovisualmaterials;testing
【摘要】:Specifiesrecommendedpracticesforsafekeeping,conveyance,inspection,description,andlabelingofaudiorecordingsofferedasevidenceincriminalinvestigations,incriminalorcivilproceedings,orinotherforensicapplications.
【中国标准分类号】:C05
【国际标准分类号】:33_160_99
【页数】:
【正文语种】:英语
【英文标准名称】:Cleanroomsandassociatedcontrolledenvironments-Part1:Classificationofaircleanliness
【原文标准名称】:洁净室和相关控制环境第1部分:空气洁净度分级
【标准号】:ISO14644-1-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-05
【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/TC209
【标准类型】:()
【标准水平】:()
【中文主题词】:微粒的数量;无菌室技术;微粒的聚集;空气纯度;气载粉尘;空气污染;浓缩;等级;空气质量;无菌室;分类系统;定义
【英文主题词】:Airpollution;Airpurity;Airquality;Airbornedust;Amount;Categoriesofpurity;Classes;Classification;Classificationsystems;Cleanrooms;Cleanliness;Clean-roomtechnology;Concentration;Concentrationofparticles;Consistency;Definitions;Degreeofpurity;Determinationofcontent;Documentations;Exteriorareas;Impurities;Lightscattermeasurement;Mathematicalcalculations;Methods;Numberofparticles;Particleanalysis;Particlesize;Particlesizedistribution;Particles;Particulateairpollutants;Pure;Pureair;Puritycriterion;Puritytest;Testing
【摘要】:ThispartofISO14644coverstheclassificationofaircleanli-nessincleanroomsandassociatedcontrolledenvironmentsexclusivelyintermsofconcentrationofairborneparticles.Onlyparticlepopulationshavingcumulativedistributionsbasedonthreshold(lowerlimit)sizesrangingfrom0,1μmto5μmareconsideredforclassificationpurposes.ThispartofISO14644doesnotprovideforclassificationofparticlepopulationsthatareoutsideofthespecifiedparticlesizerange,0,1μmto5μm.Concentrationsofultrafineparticles(particlessmallerthan0,1μm)andmacroparticles(particleslargerthan5μm)maybeusedtoquantifythesepopulationsintermsofUdescriptorsandMdescriptors,respectively.ThispartofISO14644cannotbeusedtocharacterizethephysical,chemical,radiological,orviablenatureofairborneparticles.NOTETheactualdistributionofparticleconcentrationswithinincre-mentalsizerangesnormallyisnotpredictableandtypicallyisvariableovertime.
【中国标准分类号】:C04
【国际标准分类号】:13_040_35
【页数】:18P;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforCopperAlloyAdditionAgents
【原文标准名称】:铜合金添加剂标准规格
【标准号】:ASTMB644-2011
【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】:B05.05
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:铜合金;铜合金添加剂;铜基合金;中间合金添加剂;金属和金属材料;磷铜;硅酮;铁铜
【英文主题词】:copperalloys;copperalloyadditionagents;copperbasealloys;Masteralloyadditionagents;Metalsandmetallicmaterials;Phosphorcopper;Siliconcopper;Ferrocopper
【摘要】:ForpurposesofdeterminingcompliancewiththespecifiedlimitsforchemicalcompositionanobservedorcalculatedvalueshallberoundedasindicatedinaccordancewiththeRoundingmethodofPracticeE29.Property
RoundedUnitforObservedorCalculatedValue
ChemicalComposition
Nearestunitinthelastright-handsignificantdigitusedinexpressingthelimitingvalue
