【英文标准名称】:Blindrivets-Terminologyanddefinitions.
【原文标准名称】:盲铆钉.术语和定义
【标准号】:NFE25-700-2001
【标准状态】:现行
【国别】:法国
【发布日期】:2001-12-01
【实施或试行日期】:2001-12-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Blindrivets;Classification;Definition;Definitions;Designations;Dimensions;Fasteners;Geometry;Lockingandlocatingdevices;Properties;Rivets;Specification(approval);Terminology;Vocabulary
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:01_040_21;21_060_40
【页数】:20P;A4
【正文语种】:其他
基本信息
| 标准名称： | 转播用调幅广播收音机运行技术指标等级和合格指标 |
| 中标分类： |
通信、广播 >>
广播、电视设备 >>
广播、电视发送与接收设备 |
| 发布部门： | 广播电影电视部 |
| 发布日期： | 1985-08-01 |
| 实施日期： | 1985-08-01 |
| 首发日期： | |
| 作废日期： | |
| 提出单位： | 广播电视部技术局 |
| 起草人： | 范智明 |
| 出版日期： | 1985-08-01 |
| 页数： | 3页 |
适用范围
本标准规定了转播用调幅广播收音机(以下简称收音机)运行技术指标等级。
前言
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目录
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引用标准
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所属分类： 通信 广播 广播 电视设备 广播 电视发送与接收设备
【英文标准名称】:StandardTestMethodforMeasurementofAdenosineTriphosphateinWater-MiscibleMetalworkingFluids
【原文标准名称】:测定水溶性金属加工液中三磷酸腺苷的标准试验方法
【标准号】:ASTME2694-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E34.50
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:adenosinetriphosphate;ATP;bacteria;bioburden;biodeterioration;biomass;fungi;metalworking;microbialcontamination;microbiology;microorganisms
【摘要】:ThismethodmeasurestheconcentrationofATPpresentinthesample.ATPisaconstituentofalllivingcells,includingbacteriaandfungi.Consequently,thepresenceofATPisanindicatoroftotalmicrobialcontaminationinmetalworkingfluids.ATPisnotassociatedwithmatterofnon-biologicalorigin.MethodD4012validatedATPasasurrogateforculturablebacterialdata(GuideE1326).ThismethoddiffersfromMethodD4012inthatiteliminatesinterferencesthathavehistoricallyrenderedATPtestingunusablewithcomplexorganicfluidssuchasMWF.TheATPtestprovidesrapidtestresultsthatreflectthetotalbioburdeninthesample.Ittherebyreducesthedelaybetweentestinitiationanddatacapture,fromthe36hto48h(orlonger)requiredforculturablecoloniestobecomevisible,toapproximatelyfiveminutes.AlthoughATPdatacovarystronglywithculturedatainMWF,differentfactorsaffectATPconcentrationthanthosethataffectculturability.Culturabilityisaffectedprimarilybytheabilityofcapturedmicrobestoproliferateonthegrowthmediumprovided,underspecificgrowthconditions.Ithavebeenestimatedthatlessthan1%ofthespeciespresentinanenvironmentalsamplewillformcoloniesunderanygivensetofgrowthconditions.ATPconcentrationisaffectedby:themicrobialspeciespresent,thephysiologicalstatesofthosespecies,andthetotalbioburden(SeeAppendixX1).OneexampleofthespecieseffectisthattheamountofATPpercellissubstantiallygreaterforfungithanbacteria.Withinaspecies,cellsthataremoremetabolicallyactivewillhavemoreATPpercellthandormantcells.Thegreaterthetotalbioburden,thegreatertheATPconcentrationinasample.Thepossibilityexiststhattherinsestep(11.15)maynoteliminateallchemicalsubstancesthatcaninterferewiththebioluminescencereaction(11.39).ThepresenceofanysuchinterferencescanbeevaluatedbyperformingastandardadditiontestseriesasdescribedinAppendixX3.Anyimpactofinterferingchemicalswillbereflectedasbiasrelativetodataobtainedfromfluidthatdoesnotcontaininterferingchemicals.1.1Themethodprovidesaprotocolforcapturing,extractingandquantifyingtheadenosinetriphosphate(ATP)contentassociatedwithmicroorganismsfoundinwater-misciblemetalworkingfluids(MWF).1.2TheATPismeasuredusingabioluminescenceenzymeassay,wherebylightisgeneratedinamountsproportionaltotheconcentrationofATPinthesamples.Thelightisproducedandmeasuredquantitativelyasrelativelightunits(RLU)whichareconvertedbycomparisonwithanATPstandardandcomputationtopgATP/mL.1.3Thismethodisequallysuitableforuseinthelaboratoryorfield.1.4ThemethoddetectsATPconcentrationsintherangeof4.0pgATP/mLto400,000pgATP/mL.1.5Providinginterferencescanbeovercome,bioluminescenceisareliableandprovenmethodforqualifyingandquantifyingATP.ThemethoddoesnotdifferentiatebetweenATPfromdifferentsources,forexample,fromdifferenttypesofmicroorganisms,suchasbacteriaandfungi.1.6ThevaluesstatedinSIaretoberegardedasstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E39
【国际标准分类号】:75_100
【页数】:7P.;A4
【正文语种】:英语