YD/T 705-1993 邮政标志色及其测试方法
时间:2024-05-22 08:00:42 来源: 标准资料网 作者：标准资料网 阅读：9689
基本信息
| 标准名称： | 邮政标志色及其测试方法 |
| 中标分类： |
通信、广播 >>
邮政 >>
邮政综合 |
| 替代情况： | 被YZ/T 0037-2001代替 |
| 发布日期： | 1994-03-26 |
| 实施日期： | 1994-09-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2001-11-01 |
| 起草单位： | 邮电部邮政科学技术研究所 |
| 出版日期： | 1900-01-01 |
| 页数： | 4页 |
适用范围
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引用标准
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所属分类： 通信 广播 邮政 邮政综合
【英文标准名称】:Fruitandvegetableproducts-Determinationoftincontent-Methodusingflameatomicabsorptionspectrometry
【原文标准名称】:水果和蔬菜制品.锡含量的测定.火焰原子吸收光谱法
【标准号】:BSISO17240-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-11-25
【实施或试行日期】:2004-11-25
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:含量测定;化学分析和试验;比色法;蔬菜;锡含量;水果;农产品;植物制品;火焰原子吸收光谱测定法;原子吸收分光光度测定法;锡
【英文主题词】:Agriculturalproducts;Atomicabsorptionspectrophotometry;Chemicalanalysisandtesting;Colorimetry;Determinationofcontent;Flameatomicabsorptionspectrometry;Fruits;Plantproducts;Tin;Tincontent;Vegetables
【摘要】:ThisInternationalStandardspecifiesanatomicabsorptionspectrometricmethodforthedeterminationofthetincontentoffruitandvegetableproductsintheconcentrationrange10mg/kgto500mg/kg.Itisarapidmethod,especiallysuitableforroutinedeterminationsoftinincannedfruitsandvegetablescontaminatedwithtinwhichhasmigratedfromthecan.Themethodcanbeappliedwiththeprescribedamountofsampletoproductswithamaximumtotaldrymattercontentof30%.Productswithhighercontentsoftotalsolidscanbeanalysedusingsmalleramountsofsampleaftercorrespondingdilutionwithdeionizedwater.NOTEThemethodoftindeterminationinfruitandvegetablesproductsisbasedonNMKLmethodNo126/1988(reference[1]inAnnexA).
【中国标准分类号】:X26;X24
【国际标准分类号】:67_080_01
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforUsingaConeCalorimetertoDetermineFire-Test-ResponseCharacteristicsofInsulatingMaterialsContainedinElectricalorOpticalFiberCables
【原文标准名称】:用锥形量热计对电缆或光缆中绝缘材料的着火试验反应特性测定的标准试验方法
【标准号】:ASTMD6113-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D09.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:绝缘材料;防火安全;燃烧试验;电信;绝缘;热量计;电缆;纤维光缆
【英文主题词】:cable;conecalorimeter;electricalcable;electricalinsulation;fire;fire-testresponse;heatrelease;heatreleaserate;opticalfirecable;oxygenconsumptioncalorimetry;smokeobscuration
【摘要】:Thistestmethodisusedtodeterminetheheatreleaserateandanumberofotherfire-test-responsecharacteristicsasaresultofexposinginsulatingmaterialscontainedinelectricaloropticalcablestoaprescribedheatingfluxintheconecalorimeterapparatus.Quantitativeheatreleasemeasurementsprovideinformationthatispotentiallyusefulfordesignofelectricaloropticalcables,andproductdevelopment.Heatreleasemeasurementsprovideusefulinformationforproductdevelopmentbygivingaquantitativemeasureofspecificchangesinfireperformancecausedbycomponentandcompositemodifications.Heatreleasedatafromthistestmethodwillnotbepredictiveofproductbehavioriftheproductwillnotspreadflameoveritssurfaceunderthefireexposureconditionsofinterest.Thefire-test-responsecharacteristicsdeterminedbythistestmethodareaffectedbythethicknessofthematerialusedastestspecimen,whetherasaplaqueorascoatingonawireorcable.Thediameterofthewireorcableusedwillalsoaffectthetestresults.Aradiantexposureisusedasanenergysourceforthistestmethod.Thistypeofsourcehasbeenusedforcomparisonwithheatreleaserateandflamespreadstudiesofinsulatingmaterialsconstructedintocableswhenburninginaverticalcabletrayconfiguration(TestMethodsD5424andD5537)(2-9).Nodefinitiverelationshipshavebeenestablished.Thevalueofheatreleaseratecorrespondingtothecriticallimitbetweenpropagatingcablefiresandnon-propagatingfiresisnotknown.Thistestmethoddoesnotdeterminethenetheatofcombustion.Ithasnotbeendemonstratedthatthistestmethodiscapableofpredictingtheresponseofelectricaloropticalfibercablesinafullscalefire.Inparticular,thistestmethoddoesnotaddresstheself-extinguishingcharacteristicsofthecablesinafullscalefire.1.1Thisisafire-test-responsestandard.1.2Severalfire-test-responsecharacteristics,includingthetimetosustainedflaming,heatreleaserate,totalheatreleased,effectiveheatofcombustion,andspecificextinctionarea;aremeasuredorcalculatedbythistestmethodataconstantradiantheatingflux.Forspecificlimitationsseealso5.7andSection6.1.3Thetestsareconductedbyburningtheelectricalinsulatingmaterialscontainedinelectricaloropticalfibercableswhenthecabletestspecimens,excludingaccessories,aresubjectedtoradiantheat.1.4Thisstandardmeasuresanddescribestheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,productsorassembliesunderactualfireconditions.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityorregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection7.
【中国标准分类号】:G31;M33
【国际标准分类号】:13_220_40;29_035_01;33_180_10
【页数】:17P.;A4
【正文语种】: