ANSI O5.4-2009 耐用天然硬木杆.尺寸规格和规范

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【英文标准名称】:NaturallyDurableHardwoodPoles-SpecificationsandDimensions
【原文标准名称】:耐用天然硬木杆.尺寸规格和规范
【标准号】:ANSIO5.4-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:悬臂;测定;尺寸规格;纤维;硬木;天然的;杆材;防腐处理;质量;质量规范;单极;应力值;木料;横向;木制品
【英文主题词】:Cantilever;Determination;Dimensions;Fibres;Hardwood;Natural;Poles;Preservativetreatment;Quality;Qualityspecifications;Single-pole;Stressvalue;Timber;Transverse;Woodproducts
【摘要】:Thisstandardprovidesminimumspecificationsforthequalityanddimensionsofnaturallydurablehardwoodpoleswithoutpreservativetreatmenttobeusedinsingle-poleutilitystructures.Thepolesdescribedhereinareconsideredassimplecantilevermemberssubjecttotransverseloadsonly.Fiberstressvalues,providedasabasisfordeterminingpoleclasssizes,applyonlytopolesthatmeetorexceedtheminimumqualityspecifications.
【中国标准分类号】:B69
【国际标准分类号】:79_080
【页数】:
【正文语种】:英语


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【英文标准名称】:Soilquality-Determinationofsomeselectedchlorophenols-Gas-chromatographicmethodwithelectron-capturedetection
【原文标准名称】:土质.一些选出的氯苯酚的测定.电子俘获检测的气相色谱法
【标准号】:ISO14154-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-02
【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/TC190
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;化学分析和试验;测定;含量测定;土壤普查;土壤;三氯苯酚;气相色谱法;土壤组分;苯酚
【英文主题词】:Chemicalanalysisandtesting;Chlorophenol;Compositionoftheground;Definitions;Determination;Determinationofcontent;Evaluations;Gaschromatography;Inspection;Phenol;Sampling;Samplingmethods;Soilanalysis;Soilsurveys;Soiltesting;Soils;Testing;Trichlorphenol;Waterpractice
【摘要】:ThisInternationalStandarddescribesthegaschromatographicdeterminationof15chlorophenols(2,3-,2,4-2,5-,2,6-,3,4-and3,5-dichlorophenol;2,3,4-,2,3,5-,2,3,6-,2,4,5-,2,4,6-and3,4,5-trichlorophenol,2,3,4,5-and2,3,4,6-tetrachlorophenolandpentachlorophenol)insoilsamples.Thismethodcanalsobeappliedtoothersolidsamplessuchassedimentsandsolidwastes.ThisInternationalStandarddescribesanacid-baseliquidextraction,followedbyacetylationandthenliquid/liquidextraction.Determinationofmassconcentrationisthencarriedoutbygaschromatographyandelectron-capturedetection.Thismethodisapplicabletochlorophenolsatthelowestmassconcentrationsrangingfromapproximately0,01mg/kgto0,05mg/kgdependingonthecomponentsensitivityandthequantityofsampleused.Insomecasescompleteseparationofisomerscannotbeachieved,inwhichcasethesumisreported(forinstance2,4-and2,5-dichlorophenols).
【中国标准分类号】:Z18
【国际标准分类号】:13_080_10
【页数】:14P.;A4
【正文语种】:英语