NF G54-103-2002 制革机械.片皮和带刀剪切机的安全要求
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来源:标准资料网
【英文标准名称】:Tannerymachines-Splittingandbandknifeshearingmachines-Safetyrequirements.
【原文标准名称】:制革机械.片皮和带刀剪切机的安全要求
【标准号】:NFG54-103-2002
【标准状态】:现行
【国别】:法国
【发布日期】:2002-09-01
【实施或试行日期】:2002-09-05
【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】:文献工作;鞣皮术;可运输的;工作场所安全;带刀剪切机;皮革制造厂;片皮机;安全要求;人体保护;使用说明;机器;试验;规范(验收);测量;安全;设备安全;定义;定义;职业安全;剪切机;安全措施;机器的保安装置;鞣皮;生产;毛皮
【英文主题词】:
【摘要】:
【中国标准分类号】:Y94
【国际标准分类号】:59_140_40
【页数】:33P;A4
【正文语种】:其他
【英文标准名称】:Refrigeratingunits
【原文标准名称】:制冷装置
【标准号】:UL427-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994-12-30
【实施或试行日期】:
【发布单位】:美国保险商实验所(UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:制冷;电机压缩机;冷藏室;冷凝器;电动压缩机;制冷系统;蒸发器;控制装置
【英文主题词】:Coldrooms;Condensers;Controldevices;Evaporators;Motorcompressors;Refrigeratingsystems;Refrigeration
【摘要】:
【中国标准分类号】:J73
【国际标准分类号】:27_200
【页数】:86P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingtheThicknessofBoundPavementLayersUsingShort-PulseRadar
【原文标准名称】:使用短脉冲雷达测定粘合路面层厚度的标准试验方法
【标准号】:ASTMD4748-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E17.41
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑;施工材料;精整;材料;路面;路面(道路);额定值;道路建筑;公路建设;道路;承重面的表面修饰;表面;试验;厚度
【英文主题词】:layerthickness;pavementthickness;radar;short-pulseradar
【摘要】:Thistestmethodpermitsaccurateandnondestructivethicknessdeterminationofboundpavementlayers.Assuch,thistestmethodiswidelyapplicableasapavementsystem-assessmenttechnique.Althoughthistestmethod,undertherightconditions,canbehighlyaccurateasalayer-thicknessindicator,consistentlyreliableinterpretationofthereceivedradarsignaltodeterminelayerthicknessescanbeperformedonlybyanexperienceddataanalyst.Suchexperiencecanbegainedthroughuseofthesystemandthroughtrainingcoursessuppliedbyvariousequipmentmanufacturersorconsultingcompanies.Alternatively,theoperatormaywishtousecomputersoftwaretoautomaticallytrackthelayerboundariesandlayerthickness,whereapplicable..1.1Thistestmethodcoversthenondestructivedeterminationofthicknessofboundpavementlayersusingshort-pulseradar.Boundpavementlayersaredefinedastheupperlayersofapavement,consistingofmaterialssuchasbituminous,concrete,portland-cementconcrete,roller-compactedconcrete,andstabilizedbases.Boundpavementlayersdoesnotincludegranularbaseandsubbasematerials.1.1.1Astheelectromagneticwavegeneratedbyradarpropagatesthroughtheboundpavementlayers,thewaveisattenuated,dispersedandreflectedatlayerinterfaces.Atsomedepth,duetothewaveattenuationanddispersion,thereflectionsatthelayerinterfacescannotbedetectedbytheradar.Thismaximumpenetrationdepthisacomplexfunctionofradarsystemparameterssuchastransmittedpower,receiversensitivity,centerfrequencyandbandwidthoftheradarsystemandsignalprocessing,aswellastheelectromagneticpropertiesofthepavementmaterialsandenvironmentalfactorssuchasmoisturecontent.1.1.2Radarsystemresolutionisdeterminedmainlybythetransmittedpulselengthandbandwidthoftheradar.Atypicalsystemforthisapplicationusuallyhasaresolutionsufficienttodetermineaminimumlayerthicknessof40mm(1.5in.)toanaccuracyof5mm(0.2in.).Improvementsinsystemresolutionmaybepossiblewithadditionalsignalprocessing.1.2Thistestmethodmaynotbesuitableforapplicationtopavementswhichexhibitincreasedconductivityduetotheincreasedattenuationoftheelectromagneticsignal.Examplesofscenarioswhichmaycausethisare:extremelymoistorwet(saturated)pavementsiffreeelectrolytesarepresentandslagaggregatewithhighironcontent.1.3Thevaluesstatedinmm-kilogramunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection.Note1Boundpavementlayersaredefinedastheupperlayersofapavement,consistingofmaterialssuchasbituminous,concrete,portland-cementconcrete,roller-compactedconcrete,andstabilizedbases.Boundpavementlayersdonotincludegranularbaseandsubbasematerials.
【中国标准分类号】:P66;Q20
【国际标准分类号】:93_080_20
【页数】:5P.;A4
【正文语种】:
