DIN EN ISO 7278-1-1996 液态烃.动态测量.容积式流量计验证系统.第1部分:一般原理
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【英文标准名称】:Liquidhydrocarbons-Dynamicmeasurement-Provingsystemsforvolumetricmeters-Part1:Generalprinciples(ISO7278-1:1987);GermanversionENISO7278-1:1995
【原文标准名称】:液态烃.动态测量.容积式流量计验证系统.第1部分:一般原理
【标准号】:DINENISO7278-1-1996
【标准状态】:现行
【国别】:德国
【发布日期】:1996-12
【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】:液态材料;烃类;流量计;流量测量;材料试验;测量;石油产品;液体流动;容量计;总论;动态试验;试验
【英文主题词】:Dynamictesting;Flowmeasurement;Flowmeters;Generalsection;Hydrocarbons;Liquidflow;Liquidmaterials;Materialstesting;Measurement;Petroleumproducts;Testing;Tests;Volumetricmeters
【摘要】:Thedocumentprovidesgeneralprinciplesforprovingsystemsformeterusedindynamicmeasurementsofluquidhydrocarbons.
【中国标准分类号】:E30
【国际标准分类号】:75_180_30
【页数】:7P.;A4
【正文语种】:德语
【英文标准名称】:Gasturbines;procurement
【原文标准名称】:燃气轮机.采购
【标准号】:ISO3977-1991
【标准状态】:作废
【国别】:国际
【发布日期】:1991-11
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC192
【标准类型】:()
【标准水平】:()
【中文主题词】:安全装置;涡轮机;污染控制;内燃机;消费者与供货者的关系;安全要求;燃气轮机;额定值;控制装置;规范;规范(批准);燃料;技术数据单
【英文主题词】:
【摘要】:
【中国标准分类号】:K56
【国际标准分类号】:27_040
【页数】:37P;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforAutocatalytic(Electroless)Nickel-PhosphorusCoatingsonMetal
【原文标准名称】:金属表面自催化(无电)镍磷涂层的标准规范
【标准号】:ASTMB733-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:B08.08.01
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:autocatalytic;chemicalnickel;coatings;conductive;corrosionresistance;electroless;functional;nickel;nickelphosphorus;wearresistance;Autocatalyticcoatings--specifications;Electrolesscoatings;Engineeredelectrodepositedcoatings--s
【摘要】:1.1Thisspecificationcoversrequirementsforautocatalytic(electroless)nickel-phosphoruscoatingsappliedfromaqueoussolutionstometallicproductsforengineering(functional)uses.1.2Thecoatingsarealloysofnickelandphosphorusproducedbyautocatalyticchemicalreductionwithhypophosphite.Becausethedepositednickelalloyisacatalystforthereaction,theprocessisself-sustaining.Thechemicalandphysicalpropertiesofthedepositvaryprimarilywithitsphosphoruscontentandsubsequentheattreatment.Thechemicalmakeupoftheplatingsolutionandtheuseofthesolutioncanaffecttheporosityandcorrosionresistanceofthedeposit.Formoredetails,seeASTMSTP265(1)andRefs(2)(3)(4)and(5).1.3Thecoatingsaregenerallydepositedfromacidicsolutionsoperatingatelevatedtemperatures.1.4Theprocessproducescoatingsofuniformthicknessonirregularlyshapedparts,providedtheplatingsolutioncirculatesfreelyovertheirsurfaces.1.5Thecoatingshavemultifunctionalproperties,suchashardness,heathardenability,abrasion,wearandcorrosionresistance,magnetics,electricalconductivityprovidediffusionbarrier,andsolderability.Theyarealsousedforthesalvageofwornormismachinedparts.1.6Thelowphosphorus(2to4%P)coatingsaremicrocrystallineandpossesshighas-platedhardness(620to750HK100).Thesecoatingsareusedinapplicationsrequiringabrasionandwearresistance.1.7Lowerphosphorusdepositsintherangebetween1and3%phosphorusarealsomicrocrystalline.Thesecoatingsareusedinelectronicapplicationsprovidingsolderability,bondability,increasedelectricalconductivity,andresistancetostrongalkalisolutions.1.8Themediumphosphorouscoatings(5to9%P)aremostwidelyusedtomeetthegeneralpurposerequirementsofwearandcorrosionresistance.1.9Thehighphosphorous(morethan10%P)coatingshavesuperiorsalt-sprayandacidresistanceinawiderangeofapplications.Theyareusedonberylliumandtitaniumpartsforlowstressproperties.Coatingswithphosphoruscontentsgreaterthan11.2%Parenotconsideredtobeferromagnetic.1.10ThevaluesstatedinSIunitsaretoberegardedasstandard.1.11Thefollowingprecautionarystatementpertainsonlytothetestmethodportion,Section9,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.X1.1.1Thistestmethodwillevaluatetheresistanceofthecoatingtoabrasivewear.Thetestisperformedbyrotatingaplatedpanelunderrotatingrubberwheelsandweighingthepanelaftereach1000cyclesforweightloss.Durationofthetestis6000cyclesanditcanbeextendedto25000cyclesformorecompleteresults.NoteX1.18212;VariationinresultshavebeenattributedtothehumidityinthelaboratoryandthestorageconditionsoftheCS-10wheels.Careshouldbetakentocontrolthehumiditybetweentests.X1.1.2Theresultsarevariablebetweentestsandthereforethreeplatedtestspecimensshouldbetestedto6000cycleseach.Theresultsshouldbeaveragedwithoutthefirst1000cyclesandtheabrasionwearresistanceisreportedastheweightlossinmg/1000cycles(TaberWearIndex).
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:14P.;A4
【正文语种】:英语
