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EN 12839-2012 混凝土预制件.栏栅元件

作者:标准资料网 时间:2024-04-26 02:57:12  浏览:9999   来源:标准资料网
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【英文标准名称】:Precastconcreteproducts-Elementsforfences;GermanversionEN12839:2012
【原文标准名称】:混凝土预制件.栏栅元件
【标准号】:EN12839-2012
【标准状态】:现行
【国别】:
【发布日期】:2012-03-01
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acceptancetests;Additives;Aggregatewater;Aggregates;Bendingstrength;Breakingload;CEmarking;Cements;Chainlinkfencing;Checks;Chemicalreactions;Chloridecontent;Classes;Compressivestrength;Concretecomponents;Concretecomposition;Concretecover;Concreteproducts;Concretestructures;Concretes;Conformity;Connections;Construction;Constructionmaterials;Corrosion;Definitions;Dew;Dimensionaldeviations;Dimensions;Drivebolts;Drying;Durability;Fences;Fillers;Finishes;Fireresistance;Firerisks;Frost;Geometry;Heattreatment;Height;Lightweightconcrete;Loadcapacity;Loading;Machining;Marking;Mechanic;Normalconcrete;Piles;Precastconcreteparts;Precipitation-hardenable;Prefabricated;Prefabricatedparts;Prestressedconcrete;Prestressingsteels;Production;Productioncontrol;Properties;Quality;Qualityrequirements;Reinforcedconcrete;Reinforcement;Reinforcingsteels;Samplingmethods;Silicicacid;Soils;Sound;Soundinsulation;Specification(approval);Stability;Strengthofmaterials;Surfaceproperties;Surfaces;Temperature;Tensilestrength;Testspecimens;Testing;Thermalresistance;Usefulload;Waterabsorption;Winds;Wires;Wood
【摘要】:
【中国标准分类号】:Q14
【国际标准分类号】:91_100_30
【页数】:54P;A4
【正文语种】:英语


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【英文标准名称】:StandardGuideforConductingAcute,Chronic,andLife-CycleAquaticToxicityTestswithPolychaetousAnnelids
【原文标准名称】:用多毛纲环节动物做剧烈的、慢性的及寿命周期水生动物毒性试验的标准指南
【标准号】:ASTME1562-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:E47.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:毒理学;毒性;水有机物;生物圈;寿命;实验设计;微生物学;导向装置
【英文主题词】:acutetoxicitytests;aquatictests;Capitellacapitata;chronictoxicitytests;Dinophilusgyrociliatus;estuarineenvironments;experimentaldesign;exposuretests;LC50tests;life-cycletoxicitytests;marineenvironments;N
【摘要】:1.1Thisguidecoversproceduresforobtainingdataconcerningtheadverseeffectsofatestmaterialaddedtomarineandestuarinewatersoncertainspeciesofpolychaetesduringshort-orlong-termcontinuousexposure.Thepolychaetespeciesusedinthesetestsaretakenfromlaboratoryculturesandexposedtovaryingconcentrationsofatoxicantinstaticconditions.Theseproceduresmaybeusefulforconductingtoxicitytestswithotherspeciesofpolychaetes,althoughmodificationsmightbenecessary.1.2Modificationsoftheseproceduresmightbejustifiedbyspecialneedsorcircumstances.Althoughusingappropriateproceduresismoreimportantthanfollowingprescribedprocedures,theresultsoftestsconductedusingunusualproceduresarenotlikelytobecomparabletothoseofmanyothertests.Comparisonsofresultsobtainedusingmodifiedandunmodifiedversionsoftheseproceduresmightprovideusefulinformationconcerningnewconceptsandproceduresforconductingacute,chronic,orlife-cycletestswithotherspeciesofpolychaetes.1.3Theseproceduresareapplicabletomostchemicals,eitherindividuallyorinformulations,commercialproducts,andknownorunknownmixtures.Withappropriatemodifications,theseprocedurescanbeusedtoconductthesetestsonfactorssuchastemperature,salinity,anddissolvedoxygen.Theseprocedurescanalsobeusedtoassessthetoxicityofpotentiallytoxicdischargessuchasmunicipalwastes,oildrillingfluids,producedwaterfromoilwellproduction,andothertypesofindustrialwastes.AnLC50(mediallethalconcentration)iscalculatedfromthedatageneratedineachacuteandchronictoxicitytest.Reproductivesuccessandthenumberofoffspringproducedareusedtomeasuretheeffectofatoxicantonlife-cycletests;dataareanalyzedstatisticallytoindicatethatconcentrationatwhichasignificantdifferenceoccursbetweenthetestsolutionsandcontrol(s).1.4TheresultsofacuteorchronictoxicitytestswithtoxicantsaddedexperimentallytosaltwatershouldusuallybereportedintermsofanLC50.Theresultsoflife-cycletoxicitytestswithtoxicantsaddedexperimentallytosaltwatershouldbereportedasthatconcentrationatwhichastatisticallysignificantdifferenceinthenumberofoffspringisproducedwithreferencetothecontrol(s).1.5Thisguideisarrangedasfollows:1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection.
【中国标准分类号】:Z16
【国际标准分类号】:07_100_20
【页数】:21P.;A4
【正文语种】:


【英文标准名称】:Woodpreservation-Part1:General
【原文标准名称】:木材防腐.第1部分:总则
【标准号】:DIN68800-1-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Buildings;Construction;Definitions;Design;Durability;Fungus;Generalsection;Hazards;Insecta;Pretreatment;Protectivemeasures;Specification(approval);Time;Useclasses;Wooddestroying;Woodpreservation;Woodpreservatives;Woodbasedsheetmaterials;Woodenstructuralpart
【摘要】:
【中国标准分类号】:B71
【国际标准分类号】:71_100_50
【页数】:34P;A4
【正文语种】:德语



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