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HB 4487-1990 弹性圆柱销

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基本信息
标准名称:弹性圆柱销
中标分类:
发布日期:1990-09-18
实施日期:1990-12-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
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【英文标准名称】:Bituminousmixtures-Testmethodsforhotmixasphalt-Part17:particlelossofporousasphaltspecimen.
【原文标准名称】:沥青混合物.热混沥青的试验方法.第17部分:多孔沥青试样的颗粒损失
【标准号】:NFP98-818-17-2007
【标准状态】:现行
【国别】:法国
【发布日期】:2007-09-01
【实施或试行日期】:2007-09-22
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:磨蚀;磨蚀特性;抗磨性;磨蚀试验;地沥青;建筑;施工材料;测定;热混沥青;洛杉矶法;质量损失;数学计算;机械性能;方法;路面(道路);性能试验;物理性能;孔隙率;道路建筑;试验设备;试样;测试
【英文主题词】:
【摘要】:
【中国标准分类号】:E43
【国际标准分类号】:93_080_20
【页数】:10P;A4
【正文语种】:其他


【英文标准名称】:Equipmentformonitoringofradionuclidesinliquideffluentsandsurfacewaters
【原文标准名称】:排出废液和地表水中放射性核的监测设备
【标准号】:BSIEC60861-2006
【标准状态】:作废
【国别】:英国
【发布日期】:2006-09-29
【实施或试行日期】:2006-09-29
【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】:放射性浓度;α辐射;α辐射线;β辐射;水化学;定义;检波器(回路);环境放射性活度;废水检验;γ辐射;地下水;测量仪器;计量学;监视装置;监视器;核辐射;参数;污染控制;饮用水;辐射;辐射测量;辐射防护;放射性物质;放射源;放射性;放射性核素;额定值;灵敏度;污水;规范(验收);光谱化学分析;光谱测定法;分光光度法;地表水;监督(认可);试验;水
【英文主题词】:Activityconcentration;Alpharadiation;Betaradiation;Chemistryofwater;Definition;Definitions;Detectors(circuits);Environmentalradioactivity;Examinationofwastewater;Gamma-radiation;Groundwater;Measuringinstruments;Metrology;Monitoringdevice;Monitors;Nuclearradiation;Parameters;Pollutioncontrol;Potablewater;Radiation;Radiationmeasurement;Radiationprotection;Radioactivematerials;Radioactivesources;Radioactivity;Radionuclides;Ratings;Sensitivity;Sewage;Specification(approval);Spectrochemicalanalysis;Spectrometry;Spectrophotometry;Surfacewater;Surveillance(approval);Testing;Water;Watertesting
【摘要】:ThisInternationalStandarddefinestechnicalrequirementsforequipmentformonitoringofalpha-,beta-orgamma-emittingradionuclidesinliquideffluentsandsurfacewaters,providessomegeneralguidanceastothepossibledetectioncapabilityofsuchequipmentandindicateswhenandwhereitsusesmaybepracticable.NOTEAlphamonitoringinliquidsisapossibilitythathasbeendemonstratedusingaconcentrationdeviceandcollectionoftheconcentrateinafilter,sothisstandardmayalsobeapplicabletoalphamonitoringinliquids.Thisstandardisapplicabletoequipmentforcontinuousmonitoringoftheactivity:–inliquideffluentswhichcouldbereleasedintheenvironmentduringnormaloperations;–inenvironmentalwaters.Thisstandarddoesnotapplytoequipmentspecificallyforuseinaccidentconditionsthatmayrequireadditionalcapabilities.Thisstandardisrestrictedtoequipmentforcontinuousmonitoringofgrossalphaorgrossbetaofmaximumenergyhigherthan150keVorgammaactivityinliquideffluentstreamsandenvironmentalwaters.Itdoesnotdealwithsampleextractionandlaboratoryanalysis.Theobjectofthisstandardistolaydowngeneralrequirementsandgiveexamplesofacceptablemethodsforequipmenttomonitorcontinuouslytheactivityofwater.ThisInternationalStandardspecifies,fortheequipmentdescribedinthescope,thegeneralcharacteristics,generaltestprocedures,radiation,electrical,safetyandenvironmentalcharacteristics,andtheidentificationandcertificationoftheequipment.PerformancerequirementsforthesafeoperationofelectricalequipmentareprovidedinIEC61010-1.Thesesafetyrequirementsandcorrespondingtestsareapplicableifthemanufacturerwantsto,orisrequiredto,labelitsequipmentwiththeappropriatesafetymark(forexample,CE,UL,etc.).Thisstandardisapplicabletowatermonitorsintendedtofulfilthefollowingfunctions:–measurementofthevolumetricactivityorcountrate(see5.1.2)duetoradionuclidesintheliquidanditsvariationwithtime;–actuationofanalarmwhenalimitvalueofvolumetricactivityorcountrateinwaterisexceeded.AnnexAgivessomeguidanceforusewithradioactivewatermonitors.
【中国标准分类号】:F84
【国际标准分类号】:13_060_10;17_240
【页数】:42P.;A4
【正文语种】:英语