MIL-STD-15/2

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MIL-STD-15/2, MILITARY STANDARD: ELECTRICAL WIRING EQUIPMENT SYMBOLS FOR SHIPS' PLANS - PART 2 (30 OCT 1961) [NO S/S DOCUMENT]., The purpose of this standard is toestablish a uniform system of graphic symbols for useon drawings and plans of shipboard (marine) electricalinstallations. Standard electrical symbol designatorsshown in the standard Electrical Symbol List NAVSHIPS 250-560-3 provide a means of correlatinggraphical symbols, when shown on drawings, withpart lists and descriptions of and instructions concerningthe wiring.
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【英文标准名称】:Connectorsetsandinterconnectcomponentstobeusedinopticalfibrecommunicationsystems-Productspecifications-Part13-3:TypeLX.5-APCDUPLEXterminatedonIEC60793-2-50categoryB1.1andB1.3singlemodefibre,withfullzirconiaferrulecategor
【原文标准名称】:光导纤维通信系统用连接装置和互联元件.产品规格.第13-3部分:终端连接于全氧化锆套筒IEC60793-2-50B1.1和B1.3类单模光纤的LC-PC双工
【标准号】:EN50377-13-3-2011
【标准状态】:现行
【国别】:
【发布日期】:2012-01
【实施或试行日期】:2012-01-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Categories;Communicationsystems;Datatransfer;Design;Dimensions;Duplex;Electricplugs;Electronicengineering;Electronicequipmentandcomponents;Environmentalconditions;Fasteners;Fibreoptics;Glassfibrecables;Informationtransfer;Life(durability);Marking;Mechanicalproperties;Messagehandling;Monomodefibres;Opticalproperties;Opticalwaveguides;Optoelectronics;Performanceinservice;Productspecifications;Productstandards;Properties;Specification;Telecommunication;Testing;Types;Zirconium
【摘要】:
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:40P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDensity,RelativeDensity(SpecificGravity),andAbsorptionofCoarseAggregate
【原文标准名称】:粗集料的密度、相对密度(比重)和吸收性的标准试验方法
【标准号】:ASTMC127-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:C09.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:吸收;集料;粗集料;粗粒材料;混凝土;建筑;施工材料;相对密度;测试
【英文主题词】:absorption;aggregate;apparentdensity;apparentrelativedensity;coarseaggregate;density;relativedensity;specificgravity
【摘要】:1.1Thistestmethodcoversthedeterminationoftheaveragedensityofaquantityofcoarseaggregateparticles(notincludingthevolumeofvoidsbetweentheparticles),therelativedensity(specificgravity),andtheabsorptionofthecoarseaggregate.Dependingontheprocedureused,thedensity(kg/m3(lb/ft3))isexpressedasoven-dry(OD),saturated-surface-dry(SSD),orasapparentdensity.Likewise,relativedensity(specificgravity),adimensionlessquantity,isexpressedasOD,SSD,orasapparentrelativedensity(apparentspecificgravity).TheODdensityandODrelativedensityaredeterminedafterdryingtheaggregate.TheSSDdensity,SSDrelativedensity,andabsorptionaredeterminedaftersoakingtheaggregateinwaterforaprescribedduration.1.2Thistestmethodisusedtodeterminethedensityoftheessentiallysolidportionofalargenumberofaggregateparticlesandprovidesanaveragevaluerepresentingthesample.Distinctionismadebetweenthedensityofaggregateparticlesasdeterminedbythistestmethod,andthebulkdensityofaggregatesasdeterminedbyTestMethodC29/C29M,whichincludesthevolumeofvoidsbetweentheparticlesofaggregates.1.3Thistestmethodisnotintendedtobeusedwithlightweightaggregates.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandardforconductingthetests.ThetestresultsfordensityshallbereportedineitherSIunitsorinch-poundunits,asappropriatefortheusetobemadeoftheresults.1.5Thetextofthistestmethodreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthistestmethod.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:6P.;A4
【正文语种】: