JJG 949-2000 经纬仪检定装置检定规程
时间:2024-05-07 09:24:15 来源: 标准资料网 作者：标准资料网 阅读：8452
基本信息
| 标准名称： | 经纬仪检定装置检定规程 |
| 英文名称： | Verification Regulation of Theodolite Verification Device |
| 中标分类： |
综合 >>
计量 >>
长度计量 |
| 替代情况： | 被JJG 949-2011代替 |
| 发布部门： | 国家质量技术监督局 |
| 发布日期： | 2000-02-14 |
| 实施日期： | 2000-06-01 |
| 首发日期： | |
| 作废日期： | 2012-05-14 |
| 归口单位： | 全国几何量角度计量技术委员会 |
| 起草单位： | 航空工业总公司第304研究所 |
| 起草人： | 张玉文、周维虎、付辉清 |
| 出版社： | 中国计量出版社 |
| 出版日期： | 2004-04-22 |
| 页数： | 11页 |
| 书号： | 155026-1098 |
适用范围
本规程适用于多目标式和多齿分度台式经纬仪检定装置的检定。
前言
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目录
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引用标准
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所属分类： 综合 计量 长度计量
【英文标准名称】:Nanotechnologies–Part2:Guidetosafehandlinganddisposalofmanufacturednanomaterials
【原文标准名称】:纳米技术.第2部分:安全处理和处置人造纳米材料用指南
【标准号】:BSPD6699-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-12-01
【实施或试行日期】:2007-12-01
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisPublishedDocumentgivesguidanceonassessingrisksandrecognizinguncertaintiesinthedevelopment,manufactureanduseofnanomaterials,andondevelopingandimplementinganeffectivestrategytoaddressandcontroltherisks.ItisapplicabletoawiderangeofnanomaterialsandnanostructuredmaterialsasdefinedinPAS136,includingnanoparticles,nanofibres,nanopowders,nanotubesandnanowires,genericallyreferredtoasnano-objects,aswellasaggregatesandagglomeratesofthesematerials.Italsocoversanymaterialorpreparationinwhichsuchnanomaterialscompriseasignificantproportion.Thisguideisnotapplicabletoincidentallyproducednanoparticles,suchasdieselexhaustandweldingfumes.NOTEForthepurposesofthisguidethetermsnanoparticleandnanomaterialareusedinterchangeablytorefertoallofthenanomaterialtypeslistedabove.ThisPublishedDocumentrecognizesthatthereisconsiderableuncertaintyaboutmanyaspectsofeffectiveriskassessmentofnanomaterials,includingthehazardouspotentialofmanytypesofnanoparticlesandthelevelsbelowwhichindividualsmightbeexposedwithminimallikelihoodofadversehealtheffects.Theguidethereforerecommendsacautiousstrategyforhandlinganddisposingofnanomaterials.
【中国标准分类号】:G04
【国际标准分类号】:
【页数】:32P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforDeglazingForceofFenestrationProducts
【原文标准名称】:门窗产品玻璃卸去力的试验方法
【标准号】:ASTME987-1988(2001)
【标准状态】:现行
【国别】:
【发布日期】:1988
【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】:E06.51
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建设工程;建筑;密封材料;试验;窗;密封件;门窗玻璃
【英文主题词】:deglazingloads;deglazingresistance;doors;slidingglassdoors;stormsashes;windowsashes
【摘要】:Undernormalusage,deglazingloadsaregenerallyappliedparalleltotheplaneoftheglazingmaterialandeccentrictothesashelementwhenitisopened,closed,orliftedoutoftheframe.Whenoperatinghardwareispresent,torsionalforcesmaybeincreased.Openingandclosingforcesarenormallyappliedfromtheinteriorsideonly.Slidingglassdoorpanelsareactivatedfrombothsides.Theabilityoffenestrationproductstoresistdeglazingforcesmayvarywithanumberoffactors.Thesefactorsshouldbeconsideredwhenselectingtestspecimensorwheninterpretingtestresults.Beddingcompoundsinnewlyassembledsashesmaynotreachfullstrengthuntiltheyhavebeenallowedtocureforseveraldaysorweeks.Somesashmaterialsaresubjecttoshrinkageatlowtemperaturesandincreasedelasticityathightemperatures.Therefore,asashcontainingthesematerialsmayexhibitarangeofdeglazingresistanceduetovaryingtemperatureconditions.Normalmanufacturingtolerancesandclearancesinsashmembersandglazingmaterialsmayalsoaffectdeglazingresistance.Further,althoughfenestrationproductsaredesignedtooperatewithincertainforcelimits,improperinstallation,wear,andabusemayincreasetheforcesnecessaryforsashoperation.Whendeterminingwhichmembersofagivensashshallbetestedfordeglazingresistance,considerationmustbegiventothemannerinwhichthesashmaybeoperatedwhennormallyinstalled.Handlesandliftdevicesareusuallylocatedonthesashfortheconvenienceoftheoperatorandthereforedictatethenormaldirectionofoperation.TestMethodApresentsatechniqueforactualmeasurementofthedeglazingforcesofanindividualsashmember.TestMethodBpresentsatechniqueformeasuringthedeglazingforceoftwooppositemembers.Thistestmethodisintendedforqualitycontrolmeasurements.1.1Thesetestmethodsmeasuretheresistanceofelementsoffenestrationproductssuchasoperating(orremovable)windowsashes,stormsashes,andslidingglassdoorpanels(hereafterreferredtoassashmembers)toforcestendingtodeglazetheconstruction.1.2Thesetestmethodsutilizeconcentratedloadsappliedtotheinteriorsideofasashmemberinamannersimulatingnormalopeningandclosingforces.Removablesashesareloadedtosimulatehandlingforremovalandcleaning.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Themetric(SI)equivalentsofinch-poundunitsmaybeapproximate.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q70
【国际标准分类号】:91_060_50
【页数】:3P.;A4
【正文语种】: