ANSI N42.18-2004 连续监测废水和废气中放射性用现场检测仪器的规范和性能

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【英文标准名称】:Silvertarnishingbypaperandpaperboard
【原文标准名称】:利用纸和卡纸测定银锈蚀的试验
【标准号】:ANSI/TAPPIT444om-2012
【标准状态】:现行
【国别】:美国
【发布日期】:2012
【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】:外观;纸板(纸);分配;纸;纸制品;样品;银;污迹;硫;变色;变暗;试样
【英文主题词】:Appearance;Board(paper);Distribution;Paper;Paperproducts;Samples;Silver;Stain;Sulphur;Tarnish;Tarnishing;Testspecimens
【摘要】:Identifiespapersandboardsthatwilltarnishorstainsilver.Theappearanceofthetarnishorstainofsilverbyatestspecimenofthesampleisreported,togetherwiththedistributionofthetarnishingorstaining.Reduciblesulfuractivityisacommoncauseoftarnishing.
【中国标准分类号】:
【国际标准分类号】:85_080_01
【页数】:
【正文语种】:英语


【英文标准名称】:StandardTestMethodforBondStrengthofMortartoMasonryUnits
【原文标准名称】:砌块用灰浆的粘结强度的标准试验方法
【标准号】:ASTMC952-2002(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:C15.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bond;concretemasonryunit;crossedbrickcouplet;mortar;masonry;Bondstrength--masonry/mortar;Cementmortars;Flexuraltesting--masonryunits;Loadingtests--concrete;Masonryassemblages;Masonrymortar;Masonrymortarandgrout;Mortar(bondstr
【摘要】:Theseproceduresareusefulforresearchintobondstrengthofmasonry.Theyarenotintendedtopredictthebondstrengthofcommercialmasonryconstruction.Thebondstrengthincommerciallybuiltstructuresisdeterminedbymanyfactorsbeyondthecharacteristicsofmortar,masonryunits,andtheproceduresofthistestmethod.Note18212;Thecrossed-brickcoupletsmethodmeasuresadirecttensilestrengthofthebondbetweenthemortarandmasonryunit.Itdoesnotdeterminetheflexuralstrengthoftheunitmortarassembly.Othertestmethodsmaybemoreappropriatefordeterminingtheflexuralbondstrengthbetweenmortarandmasonryunits.TheseincludeTestMethodC1072,TestMethodsC1357,andTestMethodsE518.1.1Thistestmethodprovidestwoproceduresformeasuringbondstrengthofmortartomasonryunits:acrossedbrickcouplettensiletestforevaluatingmortar-brickbondstrengthandastacked-bond,flexuraltestforevaluatingmortar-concreteblockbondstrength.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_10
【页数】:7P.;A4
【正文语种】:英语