SAE AS7949 Bearings, Ball, Airframe, Antifriction, General Standard For
时间:2024-05-21 10:12:30 来源: 标准资料网 作者：标准资料网 阅读：9685
Product Code:SAE AS7949
Title:Bearings, Ball, Airframe, Antifriction, General Standard For
Issuing Committee:Acbg Rolling Element Bearing Committee
Scope: This standard covers ball bearings in the -65 to +350 掳F temperature range as specified on the applicable drawing standards.
Rationale: This standard covers ball bearings in the -65 to +350 掳F temperature range as specified on the applicable drawing standards.
【英文标准名称】:Analysisofcoffeeandcoffeeproducts-Determinationoflossinmassofsolublecoffee-Part4:Methodforsolublecoffeeandsolublecoffeeproductsbyheatingunderatmosphericpressure(routinemethod)
【原文标准名称】:咖啡和咖啡代用品分析.测定溶解咖啡质量丢失.第4部分:在大气压环境下加热速溶咖啡和速溶咖啡产品的方法
【标准号】:DIN10764-4-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-03
【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】:分析;咖啡;含量;描述;含量测定;烘干箱;浸渍物;食品;实验室间试验;解释;调查;试验报告;实验室;质量损失;方法;含水量;粉状的;准备;产品;扩散范围;常规试验;试样;抽样方法;速溶;速溶咖啡;标准压力;兴奋剂;试验;真空的;
【英文主题词】:
【摘要】:Thestandardspecifiesaroutinemethodforthedeterminationofthemoisturecontentofsolublecoffeeandsolublecoffeeproducts.Thepreparedsampleisdriedinanelectricaldryingovenanddeterminationoflossinmass.
【中国标准分类号】:X51
【国际标准分类号】:67_140_20
【页数】:8P;A4
【正文语种】:德语
【英文标准名称】:Surfaceactiveagents-Detergents-Determinationofcationic-activemattercontent-Cationic-activematteroflowmolecularmass(between200and500)
【原文标准名称】:表面活性剂.洗涤剂,阳离子活性物含量测定.第2部分:低分子团(200-500)阳离子活性物质
【标准号】:BSENISO2871-2-1994
【标准状态】:作废
【国别】:英国
【发布日期】:1994-11-15
【实施或试行日期】:1994-11-15
【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】:含量测定;干扰(化学);再现性;清洗材料;表面活性剂;表面活性剂;洗涤剂;阳离子;容量分析;化学分析和试验
【英文主题词】:Cationicactivematter;Chemicalanalysisandtesting;Detergents;Determinationofcontent;Materialstesting;Surfactants;Testing;Volumetricanalysis
【摘要】:ThispartofISO2871specifiesamethodforthede-terminationoflow-molecular-masscationic-activematerialssuchasmonoamines,amineoxides,quaternaryammoniumcompoundsandalkyl-pyridiniumsaltswhichhaveamainchainof10to22carbonatomsandnotmorethan6othercarbonatomsinthecation.Themethodisalsosuitableforothercationic-activematerials.Themethodisapplicabletosolidsortoaqueoussolutionsoftheactivematerial.Therelativemol-ecularmassofthecationic-activemattershallbeknownorpreviouslydeterminedifitscontentisex-pressedasapercentagebymass.Ifmorethanonetypeofcationic-activematerialispresent,anesti-mateofaveragerelativemolecularmassmaybeused.Themethodisnotapplicableifanionicand/oram-photericsurfaceactiveagentsarepresent.NOTE1Lowrelativemolecularmasssulfonatesoftolueneandxylenepresentashydrotropesdonotinter-ferewhenpresentinconcentrationsuptoandincluding15%(m/m)withrespecttotheactivematerial.Athigherlevels,theirinfluenceshouldbeevaluatedineachpar-ticularcase.Non-ionicsurfaceactiveagents,soap,ureaandthesaltsof(ethylenedinitrilo)tetraaceticaciddonotin-terfere.Typicalinorganiccomponentsofdetergentformu-lations,suchassodiumchloride,sulfate,borate,tripolyphosphate,perborate,silicate,etc.,donotIn-terfere,butbleachingagentsotherthanperborateshallbedestroyedbeforetheanalysis,andthesampleshallbecompletelysolubleinwater.ThispartofISO2871shouldbereadinconjunctionwithISO2271.
【中国标准分类号】:Y43
【国际标准分类号】:71_100_40
【页数】:12P.;A4
【正文语种】:英语