BS EN 60974-1-2005 电弧焊设备.焊接电源

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【英文标准名称】:Arcweldingequipment-Weldingpowersources
【原文标准名称】:电弧焊设备.焊接电源
【标准号】:BSEN60974-1-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2006-01-06
【实施或试行日期】:2006-01-06
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电弧焊接;电弧焊接设备;辅助电路;电路;接触安全装置;控制电路;定义;电接触保护;(电网)电源;电力系统;电焊;电气工程;电气保护设备;电气安全;电子电源;环境条件;加热;漏电路径;极限(数学);低电压;作标记;职业安全;操作说明书;等离子体电弧切割;等离子切割;防电击;额定值;安全;安全装置;安全工程;安全要求;规范(验收);温度;试验;试验条件;热防护;热防护器;焊接;焊接电流;焊接工程;焊接设备;焊接电源;工作场所安全
【英文主题词】:Arcwelding;Arc-weldingequipment;Auxiliarycircuits;Circuits;Conformity;Contactsafetydevices;Controlcircuits;Definition;Definitions;Electriccontactprotection;Electricmains;Electricpowersystems;Electricwelding;Electricalengineering;Electricalprotectionequipment;Electricalsafety;Electronicpowersupplies;Environmentalcondition;Graphicsymbols;Heating;Leakagecurrents;Leakagepaths;Limits(mathematics);Lowvoltage;Marking;Occupationalsafety;Operatinginstructions;Plasmaarccutting;Plasmacutting;Printedcircuits;Protectionagainstelectricshocks;Ratings;Safety;Safetydevices;Safetyengineering;Safetyrequirements;Specification(approval);Temperature;Testing;Testingconditions;Thermalprotection;Thermalprotectors;Welding;Weldingcurrent;Weldingengineering;Weldingequipment;Weldingpowersupply;Workplacesafety
【摘要】:ThispartofIEC60974isapplicabletopowersourcesforarcweldingandalliedprocessesdesignedforindustrialandprofessionaluse,andsuppliedbyavoltagenotexceedingthatspecifiedinTable1ofIEC60038,ordrivenbymechanicalmeans.ThispartofIEC60974specifiessafetyandperformancerequirementsofweldingpowersourcesandplasmacuttingsystems.ThispartofIEC60974isnotapplicabletoweldingpowersourcesformanualmetalarcweldingwithlimiteddutyoperationwhicharedesignedmainlyforusebylaymen.ThispartofIEC60974isnotapplicabletotestingofpowersourcesduringperiodicmaintenanceorafterrepair.
【中国标准分类号】:J64
【国际标准分类号】:25_160_30
【页数】:108P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodsforSulfate-ReducingBacteriainWaterandWater-FormedDeposits
【原文标准名称】:水和水形成沉积物中硫酸盐还原菌的标准试验方法
【标准号】:ASTMD4412-1984(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1984
【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】:D19.24
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Bacteria/bacterialcontrol--water;Most-probable-numbertechnique;Pathogens--water;Sulfatecontent--water;Thermophilicsulfate-reducingbacteria;Water-formeddeposits
【摘要】:Sulfate-reducingbacteriaarewidelydistributedinmarineandfreshwatermudswhich,inconsequence,frequentlyareladenwiththehydrogensulfideproducedbytheseorganismsduringdissimilatorysulfatereduction.IthasbeenreportedthatDesulfovibriocanformasmuchas10gofsulfideperlitreduringactivemultiplication.Sulfate-reducingbacteriacancausetheexternalorinternalcorrosionofwaterorwastewaterpipelinesandpipelinesforpetroleumandnaturalgas.Theformationofgalvaniccellsbymassivegrowthofsulfate-reducingbacteriaundersuitableconditionsmakesthecorrosionmuchworsethanjusttheeffectofthehydrogensulfideonthemetalorconcrete.1.1Thesetestmethodscovertheprocedureforthedetectionandenumerationbythemostprobablenumber(MPN)techniqueofsulfate-reducingbacteriainwaterorwater-formeddeposits.1.2Twomediapreparationsareprovided.MediumAwhichispreparedwithreagentgradewater,andMediumBwhichispreparedusingthewatertobesampledasthewatersource.MediumBisofferedforthosespecialconditionswheresulfate-reducingbacterialstrainshaveadaptedtoatypicalnon-freshwaterenvironment.1.3Fortheisolationandenumerationofthermophilicsulfate-reducingbacteriaencounteredinwatersassociatedwithoilandgasproduction,allbroths,dilutionblanks,andincubationsmustbemaintainedattemperaturesofatleast45x00B0;Candpreferablywithin5x00B0;Catthesampletemperature.1.4Thesensitivityofthesetestmethodscanbeincreasedbypurgingthedilutionblanksandtubesofmediawithnitrogenimmediatelypriortouse.1.5TheanalystshouldbeawarethatadequatecollaborativedataforprecisionandbiasstatementsasrequiredbyPracticeD2777arenotprovided.SeeSection11fordetails.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:07_100_20
【页数】:3P.;A4
【正文语种】:英语


Product Code:SAE AMS5679
Title:Nickel Alloy, Corrosion and Heat Resistant, Welding Wire, 73Ni - 15.5Cr - 2.2Cb - 8.0Fe
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat resistant nickel alloy in the form of welding wire.