YS/T 226.7-1994 硒中硅量的测定(硅钼蓝吸光光度法)

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基本信息
标准名称:硒中硅量的测定(硅钼蓝吸光光度法)
英文名称:Determination of silicon content in selenium--Silicon-molybdenum blue photometric method
中标分类: 冶金 >> 金属化学分析方法 >> 半金属及半导体材料分析方法
ICS分类: 冶金 >> 金属材料试验 >> 金属材料化学分析
替代情况:原标准号GB/T 2116-1980;被YS/T 226.5-2009代替
发布日期:
实施日期:1996-03-12
首发日期:
作废日期:2010-06-01
出版日期:
页数:2页
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所属分类: 冶金 金属化学分析方法 半金属及半导体材料分析方法 冶金 金属材料试验 金属材料化学分析
下载地址: 点击此处下载
【英文标准名称】:Aerospaceseries-Spacesystems-Fluidcharacteristics,samplingandtestmethods-Oxygen
【原文标准名称】:航空航天系列.航天系统.流体特性、抽样和试验方法.氧
【标准号】:BSISO15859-1-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-08-18
【实施或试行日期】:2004-08-18
【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】:航天器;氧;化学成分;分类系统;杂质;流体;航空航天运输;特性;规范;试验;定义
【英文主题词】:Aerospacetransport;Chemicalcomposition;Classificationsystems;Definition;Definitions;Fluids;Impurities;Oxygen;Properties;Spacetransport;Spacecraft;Specification;Testing
【摘要】:ThispartofISO15859specifiesthelimitvaluesforthecompositionofoxygenandestablishesthesamplingandtestrequirementsapplicablefortheverificationoftheoxygencomposition.ThispartofISO15859isapplicabletooxygen,usedinbothflighthardwareandgroundfacilities,systemsandequipment,ofthefollowingtypesandgrades.—TypeI:gaseous—GradeA:standard,purging/pressurization,—GradeCB:crewbreathing,—GradeF:fuel-cell;—TypeII:liquid—GradeA:oxidizer,—GradeB:oxidizer,—GradeF:fuel-cell.ThispartofISO15859isapplicabletoinfluentsonlywithinthespecifiedlimitsherein.ThispartofISO15859isapplicabletoanysamplingoperationrequiredtoensurethat,whenthefluidentersthelaunchvehicleorspacecraft,thefluidcompositioncomplieswiththelimitsprovidedhereafterorwithanytechnicalspecificationagreedtoforaparticularuse.
【中国标准分类号】:V13
【国际标准分类号】:49_140
【页数】:16P.;A4
【正文语种】:英语


【英文标准名称】:Insulatorsforoverheadlineswithanominalvoltageabove1000V.Insulatorstringsandinsulatorsetsfora.c.systems-Definitions,testmethodsandacceptancecriteria
【原文标准名称】:标称电压高于1000V的架空线路用绝缘子.第2部分:交流电路系统绝缘子串和绝缘子装置.定义、试验方法和验收标准
【标准号】:BSEN60383-2-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-11-15
【实施或试行日期】:1995-11-15
【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】:高电压;电气试验;铁路设备;铁路固定设备;架空电力金具;脉冲电压试验;基座;耐高压试验;针式绝缘子;铁路用;架空线;铁路电力牵引装置;陶瓷;玻璃;电力传输线路;绝缘子
【英文主题词】:Acceptance;Acceptancetests;Alternatingcurrent;Alternatingvoltages;Ceramicinsulators;Ceramics;Compositeinsulators;Definition;Definitions;Design;Directcurrent;Electriccables;Electricinsulators;Electricalengineering;Electricalsafety;Electricaltesting;Glass;Highvoltage;High-voltageinsulator;High-voltagelines;High-voltagetests;Installationsforratedvoltages;Insulatorstrings;Insulators;Lightningsurgetest;Materials;Overheadpowerlines;Raintest;Ratings;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Stringinsulatorunits;Substation;Switchingimpulsevoltages;Testing
【摘要】:ThispartofIEC383appliestoinsulatorstringsandinsulatorsetscomprisingstringinsulatorunitsofceramicmaterialorglassforuseona.c.overheadpowerlineswithanominalvoltagegreaterthan1000Vandafrequencynotgreaterthan100Hz.ThispartofIEC383alsoappliestoinsulatorstringsandinsulatorsetsforuseond.c.overheadelectrictractionlines.ThispartofIEC383alsoappliestoinsulatorstringsandinsulatorsetsofsimilardesignwhenusedinsubstations.Itmayberegardedasaprovisionalstandardforinsulatorstringsandinsulatorsetsforuseond.c.overheadpowerlinesandforcompositeinsulatorsets.TheobjectofthispartofIEC383istoprescribestandardelectricaltestproceduresandacceptancecriteriatoverifythedefinedcharacteristicsofinsulatorstringsandinsulatorsetsfallingwithinthescopeofthepartofIEC383.Thesetestsandcharacteristicsareintendedtogiveacommonbasetodesigners,usersandsuppliersofoverheadlines,insulatorsandlineequipmentwhendefinition,evaluationorverificationoftheelectricalcharacteristicsofsuchequipmentisrequired.Thesetestsarenotintendedtobemandatorytestsoninsulatorswhethersuppliedindi-viduallyorasstringsorassets.NOTES1TestsonstringinsulatorunitsaredealtwithinIEC383-1.TestsoncompositeinsulatorsaredealtwithinIEC1109.2Thispartdoesnotincludeartificialpollutionorradio-interferencetests.ThesesubjectsandrelevanttestmethodsaredealtwithinthefollowingIECreports:IEC437:Report-radiointerferencetestonhigh-voltageinsulators.IEC507:Report-artificialpollutiontestsonhigh-voltageinsulatorstobeusedona.c.systems.3Powerarctestsarecurrentlyunderstudy.
【中国标准分类号】:K48
【国际标准分类号】:29_080_10
【页数】:20P;A4
【正文语种】:英语