BS EN 3228-2010 航空航天系列.镀镉钢制标准对边宽度降低高度平六角螺母.等级:900MPa(室温)/235℃
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【英文标准名称】:Aerospaceseries-Nuts,hexagonal,plain,reducedheight,normalacrossflats,insteel,cadmiumplated-Classification:900MPa(atambienttemperature)/235°C
【原文标准名称】:航空航天系列.镀镉钢制标准对边宽度降低高度平六角螺母.等级:900MPa(室温)/235℃
【标准号】:BSEN3228-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-02-28
【实施或试行日期】:2010-02-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;镀镉;名称与符号;尺寸;紧固件;六角螺母;作标记;材料;螺母;浅;规范(验收);钢;表面处理;公差(测量);重量;对边宽度
【英文主题词】:Aerospacetransport;Airtransport;Cadmiumplated;Designations;Dimensions;Fasteners;Hexagonnuts;Marking;Materials;Nuts;Shallow;Specification(approval);Steels;Surfacetreatment;Tolerances(measurement);Weights;Widthacrossflats
【摘要】:Thisstandardspecifiesthecharacteristicsofplain,hexagonalnuts,reducedheight,normalacrossflats,insteel,cadmiumplated.
【中国标准分类号】:V20
【国际标准分类号】:49_030_30
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasurementofHydraulicConductivityofPorousMaterialUsingaRigid-Wall,Compaction-MoldPermeameter
【原文标准名称】:使用刚性壁压缩模式磁导率计测量多孔性材料液压导电率的标准试验方法
【标准号】:ASTMD5856-1995
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:壁;土壤;岩石分析;地下水;渗透计;多孔材料;压缩;导电系数;液压电池;液压导电率;实验室测试;实验室;内衬
【英文主题词】:groundwater;permeameters;laboratorytest;hydraulicconductivity;laboratory;rockanalysis;coefficientofpermeability;hydraulicbarriers;liner;emsoil;compaction;porousmaterial;wall
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:19_060
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingthePerformanceofaSonicAnemometer/Thermometer
【原文标准名称】:测定利用声速的风速记录仪/温度计性能的标准试验方法
【标准号】:ASTMD6011-1996(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D22.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acceptanceangle;acousticpathlength;shadowcorrection;sonicanemometer;sonictemperature;sonicthermometer;speedofsound;systemdelay;Acceptancecriteria/testing--atmospheric;Acousticpathlength;Dynamicperformance;Performance--laborato
【摘要】:Thistestmethodprovidesastandardmethodforevaluatingtheperformanceofsonicanemometer/thermometersthatuseinversetimesolutionstomeasurewindvelocitycomponentsandthespeedofsound.Itprovidesanunambiguousdeterminationofinstrumentperformancecriteria.Thetestmethodisapplicabletomanufacturersforthepurposeofdescribingtheperformanceoftheirproducts,toinstrumentationtestfacilitiesforthepurposeofverifyinginstrumentperformance,andtousersforspecifyingperformancerequirements.Theacousticpathlengthprocedureisalsoapplicableforcalibrationpurposespriortodatacollection.Proceduresforoperatingasonicanemometer/thermometeraredescribedinPracticeD5527.Thesonicanemometer/thermometerarrayisassumedtohaveasufficientlyhighstructuralrigidityandasufficientlylowcoefficientofthermalexpansiontomaintainaninternalalignmenttowithinthemanufacturer''sspecificationsoveritsdesignedoperatingrange.Consultwiththemanufacturerforaninternalalignmentverificationprocedureandverifythealignmentbeforeproceedingwiththistestmethod.Thistestmethodisdesignedtocharacterizetheperformanceofanarraymodelorprobedesign.Transducershadowdataobtainedfromasinglearrayisapplicableforallinstrumentshavingthesamearraymodelorprobedesign.Somenon-orthogonalarraysmaynotrequirespecificationoftransducershadowcorrectionsorthevelocitycalibrationrange.1.1Thistestmethodcoversthedeterminationofthedynamicperformanceofasonicanemometer/thermometerwhichemploystheinversetimemeasurementtechniqueforvelocityorspeedofsound,orboth.Performancecriteriainclude:(a)acceptanceangle,(b)acousticpathlength,(c)systemdelay,(d)systemdelaymismatch,(e)thermalstabilityrange,(f)shadowcorrection,(g)velocitycalibrationrange,and(h)velocityresolution.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N11
【国际标准分类号】:17_200_10
【页数】:7P.;A4
【正文语种】:英语
