DIN 32527-2009 焊接,钎焊,硬钎焊,切割及相关工艺的加热.术语和工艺
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来源:标准资料网
【英文标准名称】:Heatingforwelding,soldering,brazing,cuttingandalliedprocesses-Definitions,processes
【原文标准名称】:焊接,钎焊,硬钎焊,切割及相关工艺的加热.术语和工艺
【标准号】:DIN32527-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:铜焊;切削;定义;热处理;软钎焊;钎焊;加温;焊接;焊接工程
【英文主题词】:Brazing;Cutting;Definitions;Heattreatment;Soldering;Solderings;Warming;Welding;Weldingengineering
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_10
【页数】:19P.;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforDeterminationofpHeofEthanol,DenaturedFuelEthanol,andFuelEthanol(Ed75-Ed85)
【原文标准名称】:乙醇、改性燃料乙醇和燃料乙醇Ed75-ed85的Phe测定的标准试验方法
【标准号】:ASTMD6423-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D02.A0.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acidstrength;automotivesparkignitionenginefuel;corrosionpotential;denaturedfuelethanol;ethanol;fuelethanol;pHe;Denaturedfuelethanol;Ethanol;Fuelethanol(Ed75-Ed85);pH
【摘要】:Theacidstrength,asmeasuredbypHe,isagoodpredictorofthecorrosionpotentialofethanolfuels.Itispreferabletototalaciditybecausetotalaciditydoesnotmeasureacidstrength;overestimatesthecontributionofweakacids,suchascarbonicacid;andmayunderestimatethecorrosionpotentialoflowconcentrationsofstrongacids,suchassulfuricacid.1.1Thistestmethodcoversaproceduretodetermineameasureoftheacidstrengthofhighethanolcontentfuels.Theseincludeethanol,denaturedfuelethanol,andfuelethanol(Ed75-Ed85).Thetestmethodisapplicabletofuelscontainingnominally70volume%ethanol,orhigher,asdescribedinSpecificationsD4806andD5798.1.2AcidstrengthasmeasuredinthistestmethodisdefinedaspHe.ApHevalueforalcoholsolutionsisnotcomparabletopHvaluesofwatersolutions.Forexample,a1.5x00D7;10-5M(18ppm)solutionofH2SO4givesapHofabout5.5inwatersolution,but,dependingonbufferingstrength,apHeaslowas1to2inunadditizedalcoholfuel.1.3ThevalueofpHemeasuredwilldependsomewhatonthefuelblend,thestirringrate,andthetimetheelectrodeisinthefuel.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:27_060_10
【页数】:3P.;A4
【正文语种】:英语
MIL-STD-1682-6 (NOTICE 1) SHIPYARD INSPECTION AND CLEANING PROCEDURES FOR SUBMARINESMIL-STD-1682/6(SH), dated 27 October 1976, is hereby canceled without replacement.
