DIN EN 2591-705-2002 航空和航天系列.光电连接件.试验方法.第705部分:电气元件.耦合器短线输入阻抗测量
作者:标准资料网 时间:2024-05-21 11:49:11 浏览:9897
来源:标准资料网
【英文标准名称】:Aerospaceseries-Elementsofelectricalandopticalconnection;Testmethods-Part705:Electricalelements;Measurementofstubinputimpedanceofcouplers;GermanandEnglishversionEN2591-705:2001
【原文标准名称】:航空和航天系列.光电连接件.试验方法.第705部分:电气元件.耦合器短线输入阻抗测量
【标准号】:DINEN2591-705-2002
【标准状态】:现行
【国别】:德国
【发布日期】:2002-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;测量;试验;航空运输;紧固件;短线;电的;电力设备;输入阻抗;测量技术;电插头;光学的;航天运输;特性;规范(验收);多语种的;试验条件;电气元件;耦合器;阻抗
【英文主题词】:
【摘要】:Thedocumentspecifiesamethodofmeasuringstubinputimpedanceofcouplers.ItshallbeusedtogetherwithEN2591-100.
【中国标准分类号】:V20
【国际标准分类号】:49_060
【页数】:7P;A4
【正文语种】:德语
【英文标准名称】:Opaqueprojectors
【原文标准名称】:反射幻灯机
【标准号】:JISB7241-1989
【标准状态】:作废
【国别】:日本
【发布日期】:1989-01-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonTestingandMeasurementTechnology
【标准类型】:()
【标准水平】:()
【中文主题词】:幻灯放映机;文献;反光镜
【英文主题词】:still-pictureprojectors;reflectors(light);documents
【摘要】:この規格は,アパーチャーの各辺の長さが,150mm以上285mm以下の反射投映機()(以下,投映機という。)について規定する。注()書籍,絵画などの不透明な資料を反射投映する機械。
【中国标准分类号】:N45
【国际标准分类号】:37_040_10
【页数】:5P;A4
【正文语种】:日语
【英文标准名称】:StandardTestMethodforColorDevelopmentinTintedLatexPaints
【原文标准名称】:有色乳胶涂料显色的标准试验方法
【标准号】:ASTMD5326-1994a(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【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】:D01.42
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:color;colordevelopment;coloruniformity;colorants;tintability;Color--paints/relatedcoatings/materials;Colorants;Colordevelopment/uniformity;Latexpaints;Tintability;Tintingstrength
【摘要】:Acolorantsometimesfailstodispersecompletelyinabasepaintduetopoorcompatibility,whichcanbethefaultofthecolorant,thepaint,orboth.Thiswillresultinpoorcolordevelopment,whichisreadilymanifestedbythecommonprocedureofapplyingthepaintwithadoctorbladeandsubjectingthedrawdowntohighshearstressbyfinger-rubbingasmallareaofthepartiallydryfilm.Thistendstodisperseundevelopedcolorant,ifany,andproducesacolorvariationbetweentheunshearedandshearedareasofthepaintfilm.Thevariationcanbemeasuredcolorimetricallytogiveanumericalcolordifferencevaluethatisameasureofthecolordevelopmentoftheoriginalpaint,thesmallerthedifferencethebetterthecolordevelopmentandviceversa.Colordifferencevaluesobtainedbyfinger-rubbingwerefoundtovarywidelyforthesameaswellasamongdifferentoperators.Thistestmethodestablishesacontrolledshear-stressprocedureanalogoustothefingerrub-uptest,butwithfarbetterreproducibility.Poorcolordevelopmentcanbeaproblemintheproductionofpaints,andintheirperformanceinthefield.Inproductionitcausesalossofcolorantmonetaryvalue,andunpredictabletintingresults.Infieldperformanceitresultsincolorvariationsintheappliedpaintfilmduetothevaryingshearforcestowhichthepaintissubjectedatdifferentstagesorbydifferentmodesofapplication.Althoughpoorcolordevelopmentisprimarilyandmostoftenrelatedtothecolorantportionofatintedpaint,thewhitepigmentinthebasepaintcanalsobepoorlydevelopedduetoflocculationorothercauses.Inthelattercase,sheardispersioncanmakethepaintfilmlighterandlesscolorful,ratherthanthereverse.Thentoo,thecolorantandthewhitemightbothbepoorlydeveloped,andthecolorchangeduetoshearstresswouldthenbethecombinedeffectofboth.Inanycase,colordevelopmentisanimportantpaintproperty,forthemeasurementofwhichthistestmethodisintendedtoprovideagenerallyacceptedandreproducibletestmethod.1.1Thistestmethodcoversaprocedureformeasuringcolordevelopmentintintedlatexpaints,forthepurposeofdeterminingtheefficiencyofcolorants,thetintabilityofbasepaintsandthepotentialforpoorcoloruniformityofappliedpaintfilms.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G38
【国际标准分类号】:87_040
【页数】:3P.;A4
【正文语种】:英语
