GB/T 10574.13-1989 锡铅焊料化学分析方法 磷钒钼杂多酸-结晶紫分光光度法测定磷量
作者:标准资料网 时间:2024-05-13 09:00:24 浏览:8364
来源:标准资料网
基本信息
| 标准名称： | 锡铅焊料化学分析方法 磷钒钼杂多酸-结晶紫分光光度法测定磷量 |
| 英文名称： | Tin-lead solders-Determination of phosphorus content-Phosphor-vanadium-molybdium poly acid-crystal |
| 中标分类： |
冶金 >>
金属化学分析方法 >>
重金属极其合金分析方法 |
| ICS分类： |
机械制造 >>
焊接、钎焊和低温焊 >>
焊接消耗品
|
| 替代情况： | 被GB/T 10574.11-2003代替 |
| 发布日期： | 1989-03-22 |
| 实施日期： | 1990-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2003-08-01 |
| 起草单位： | 云南锡业公司研究所 |
| 出版日期： | 1900-01-01 |
| 页数： | 3页 |
适用范围
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前言
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所属分类： 冶金 金属化学分析方法 重金属极其合金分析方法 机械制造 焊接 钎焊和低温焊 焊接消耗品
【英文标准名称】:ISOgeneralpurposemetricscrewthreads-Tolerances-Part4:Limitsofsizesforhot-dipgalvanizedexternalscrewthreadstomatewithinternalscrewthreadstappedwithtolerancepositionHorGaftergalvanizing
【原文标准名称】:ISO一般用途米制螺纹公差第4部分:热浸镀锌外螺纹的极限尺寸、与其相配的内螺纹镀锌后攻丝、内螺纹的公差带位置为H或G
【标准号】:ISO965-4-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC1
【标准类型】:()
【标准水平】:()
【中文主题词】:极限尺寸;螺纹;尺寸;公差(测量);ISO螺纹;外螺纹;ISO米制螺纹;热镀锌的
【英文主题词】:Corediameter;Dimensions;Externalthreads;Hot-galvanized;ISOmetricthreads;ISOscrewthreads;Limitdimensions;Outsidediameters;Pitchdiameter;Threads;Tolerances(measurement)
【摘要】:ThispartofISO965specifiesdeviationsandlimitsofsizesforpitchandcrestdiametersforISOgeneralpurposemetricexternalscrewthreadsconformingtoISO262havingabasicprofileaccordingtoISO68-1.ExternalscrewthreadsaccordingtothispartofISO965areintendedtomatewithinternalscrewthreadstappedwithtolerancepositionHorGafterhotdipgalvanizing.ThelimitsofsizesforthetolerancequalityspecifiedarederivedfromtolerancesspecifiedinISO965-1andthefundamentaldeviationsaccordingtothefollowingformula:esaz=-(300+20P)whereesisexpressedinmicrometres;Pisexpressedinmillimetres.ProductsmadewiththreadtolerancesinaccordancewiththispartofISO965mayshowfailureatlowerultimatetensileloadsthanthosespecifiedinISO898-1duetoreductionofthestressarea.ExternalscrewthreadswiththreadtolerancesaccordingtothispartofISO965mustnotbematedwithinternalscrewthreadswiththreadtolerancesaccordingtoISO965-5becausesuchcombinationswillcreatesevereriskforthreadstripping.NOTEIfthetoleranceclass6azisnotspecifiedtheexternalscrewthreadsaretomatewithinternalscrewthreadswithtoleranceposition6AZiftheproductsarecentrifugedandwithhot-dipgalvanizedinternalscrewthreadswithtoleranceposition6AXiftheproductsarenotcentrifuged.
【中国标准分类号】:J04
【国际标准分类号】:21_040_10
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:Petroleumproducts-Calculationofcetaneindexofmiddle-distillatefuelsbyfour-variableequation(ISO4264:2007)EnglishversionofDINENISO4264:2007-11
【原文标准名称】:石油产品.用四变量方程计算中间馏份燃料的十六烷指数
【标准号】:DINENISO4264-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-11
【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】:机动车燃料;十六烷值;测定;馏出物;燃料;索引;液体燃料;材料测试;数学计算;参数;石油产品;数量调查
【英文主题词】:Automotivefuels;Cetanenumber;Determination;Distillates;Fuels;Indexes;Liquidfuels;Materialstesting;Mathematicalcalculations;Parameters;Petroleumproducts;Quantitysurveying
【摘要】:TheinternationalStandarddescribesaprocedureforthecalculationofthecetaneindexofmiddle-distillatefuelsfrompetroleum-derivedsources.Thecalculatedcalueistermedthe"cetaneindexbyfour-cariableequation"ThroughouttheremainingtextofthisinternationalStandard,theterm"cetaneindex"impliescetaneindexbyfour-variableequation.ThisinternationalStandardisnotapplicabletofuelscontainingadditivesforraisingthecetanenumber,nortopurehydrocarbons,nortodistillatefuelsderivedfromcoal.Itisapplicabletofuelscontainingnon-petroleumderivativesfromtarsandandoilshale.NOTE1ThisinternationalStandardwasoriginallydevelopedusingamatrixoffuels,someofwhichcontainnonpetrolemuderivatesformtarsandsandoilshale.Othercetaneindexequationshavesincebeendevelopedwhichcanbemoreapplicabletotarsandsproducts.NOTE2Thecetaneendexisnotanalternativewaytoexpressthecetanenumber;itisasupplementarytool,tobeusedwithdueregardforitslimitations.NOTE3Thecetaneindexisusedtoestimatethecetanenumberofdieselfuelwhenatestengineisnotavailabletodeterminethispropertydirectly,orwheninsufficientsampleisavailableforanenginerating.Incaseswherethecetanenumberofafuelhasbeenprebiouslyestablished,thecetaneindexcanbeusedtoverifythecentanenumberofsubsequentsamplesofthatfuel,probidedthefuel'sourceandmodeofmanufactureremainunchanged.ThececommendedrangeoffuelpropertiesforapplicationofthisinternationalStandardisasfollow:FuelpropertyRecommendedrangeCetanenumber32,5-56,5Densityat15°C,kg/m3805,0-895,010%(V/V)distillationrecoverytemperature,°C171-25950%(V/V)distillationrecoverytemperature,°C212-30890%(V/V)distillationrecoverytemperature,°C251-363Withintherecommendedrangeofcetanenumber(32,5to56,5),theexpectederrorofthepredictionviathecetaneindexequationwillbelessthan±2cetanenumbersfor65%ofthedistillatefuelsexamined.Errorsmaybegreaterforfuelswhosepropertiesfalloutsidetherecommendedrangeofapplication.
【中国标准分类号】:E30
【国际标准分类号】:75_160_20
【页数】:12P.;A4
【正文语种】:德语
