DIN 45921-1-1987 电子元件质量评定协调体系.分规范.小负荷薄膜固定电阻

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【英文标准名称】:StandardTestMethodforFilterableandNonfilterableMatterinWater
【原文标准名称】:水中可过滤和不可过滤物质的标准测试方法
【标准号】:ASTMD5907-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D19.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:滤波;粒状物;杂质;水;试验;固体
【英文主题词】:dissolvedmatter;dissolvedsolids;filterablematter;nonfilterablematter;suspendedmatter;suspendedsolids
【摘要】:Solids,bothasfilterableandnonfilterablematter,areimportantinthetreatingofrawwaterandwastewater,andinmonitoringofstreams.Wastesolidsimposeasuspendedandsettleableresidueinreceivingwaters.Suspendedandsolublematerialsprovideamatrixforsomebiologicalslimeand,insufficientquantity,impairrespirationoforganisms.Thesesolidsmaycreatenuisanceslimebedsandodorswhileimposingalong-termbiologicaloxidationloadoverlimitedreceivingwaterareas.Knowledgeofsuspendedandsolublematerialsisimportantintreatingrawwatersupplies.Knowledgeofsolidsloadingcanaidindeterminingthetypeoramountoftreatment,orboth,necessarytomakethewateracceptableforuse.Suchinformationmayalsobeusedtodetermineacceptabilityofwateraftertreatment.Toolittletreatmentmaynotbedesirableandexcesstreatmentcostsmoney.Streammonitoringisimportantforenvironmentalreasons.Streamimprovements,waterpollutionmonitoring,masswasting,algalstudies,andsedimentloadsarebutafewofthemanyreasonsstreamsaremonitored.1.1Thistestmethodcoversthedeterminationoffilterableandnonfilterablematterindrinking,surface,andsalinewaters,domesticandindustrialwastes.Thepracticalrangeofthedeterminationofnonfilterableparticulatematteris4to20000mg/L.Thepracticalrangeofthedeterminationoffilterablematteris10to20000mg/L.1.2Sincetheresultsmeasuredbythistestareoperationallydefined,carefulattentionmustbepaidtofollowingtheprocedureasspecified.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardstatement,seeSection9.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_60
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:Sectionalspecification:magneticoxidecoresforinductorapplications;germanversionEN125100:1991
【原文标准名称】:分规范.电感线圈中的磁氧体铁芯
【标准号】:DINEN125100-1993
【标准状态】:现行
【国别】:德国
【发布日期】:1993-02
【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】:电感器应用;铁氧体磁心线圈;磁性线圈;氧化物线圈;感应器磁心;外观检查(试验);氧化物;电子设备及元件;详细规范;磁芯;电气工程;质量保证体系;试验;尺寸;作标记;试验报告;质量评定系统;空白格式;分规范;型式;铁氧体磁心;片盘;磁通密度;铁酸盐;质量;芯;电感
【英文主题词】:Blankforms;Cores;Detailspecification;Dimensions;Electricalengineering;Electronicequipmentandcomponents;Ferritcores;Ferrite-corecoil;Ferrites;Inductance;Inductorapplications;Inductorcores;Magneticcoils;Magneticcores;Magneticfluxdensity;Marking;Oxidecoils;Oxides;Quality;Qualityassessmentsystems;Qualityassurancesystems;Sectionalspecification;Spools;Testreports;Testing;Types;Visualinspection(testing)
【摘要】:Thedocumentcontainsasectionalspecificationformagneticoxidecoresforinductorapplications.
【中国标准分类号】:L17
【国际标准分类号】:29_100_10
【页数】:17P.;A4
【正文语种】:德语