BS EN 2680-2006 航空航天系列.MoS2润滑镉镀层铝合金双耳游动自调自锁托板螺母.等级:900MPa(室温)/235℃

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【英文标准名称】:Nuts,anchor,self-locking,floating,self-aligning,twolug,inalloysteel,cadmiumplated,MoS2lubricated-Classification:900MPa(atambienttemperature)/235°C
【原文标准名称】:航空航天系列.MoS2润滑镉镀层铝合金双耳游动自调自锁托板螺母.等级:900MPa(室温)/235℃
【标准号】:BSEN2680-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-06-30
【实施或试行日期】:2006-06-30
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;合金钢;镉;镉板;覆层;沉头孔钻;名称与符号;尺寸公差;尺寸;法兰;防松螺母;作标记;材料;二硫化钼;转动的;托板螺母;特性;自锁紧;航天运输;钢;表面处理;螺纹
【英文主题词】:
【摘要】:Thisstandardspecifiesthecharacteristicsofself-locking,floating,self-aligning,twoluganchornuts,inalloysteel,cadmiumplated,MoS2-lubricated,metricseries.Classification:900MPa1)/235°C2)
【中国标准分类号】:V20
【国际标准分类号】:49_030_30
【页数】:10P;A4
【正文语种】:英语


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【英文标准名称】:StandardGuideforChemicalFateinSite-SpecificSediment/WaterMicrocosms
【原文标准名称】:现场沉淀物中/水中小世界中化学消毒的标准指南
【标准号】:ASTME1624-1994(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【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】:E47.04
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:Chemicals(environmentalanalysis);Environmentalsiteassessment(ESA)--water;Fieldtesting--environmentalmaterials/applications;Laboratoryenvironmentalanalysis;Microcosmtest;Sedimenttoxicitytesting
【摘要】:Thefateofchemicalsreleasedtotheenvironmentmaybeevaluatedinthefieldorinlaboratorystudies.Thisguideprovidesdirectiononthedevelopment,use,andevaluationofmicrocosmstudiesthatsimulateaspecificaquaticecosystemandincludesedimentandrelevantbiota.Akeyobjectiveintheuseofsite-specificmicrocosmsistheabilitytoextrapolateinformationobtainedinthelaboratorysystemtofieldsituationswithareasonabledegreeofconfidence.Fieldstudiescanobtainimportantinformationaboutthefateofchemicalsinaparticularecosystembuthavemanydisadvantages.Infieldstudies,environmentalvariables,ingeneral,cannotbecontrolledandthestudymaybesubjecttowidefluctuationsinvariablessuchastemperature,rainfallorsunlight.Introductionofachemicalintoanecosystemmayproduceanunacceptableenvironmentalrisk.Furthermore,fieldstudiesoftenareprohibitivelyexpensive.Someenvironmentalfatestudiesusestructuralorsyntheticcommunities(notsite-specificmicrocosms)createdbyplacingwater,soilorsediment,plants,animalsandmicrobiotainacontaineraccordingtoanestablishedprotocol.Somesyntheticcommunitieshavebeenspecificallydesignedtoexaminethefateofchemicalsubstancesinaquaticenvironments(thatis,Metcalfetal.(1)andIsenseeandTayaputch(2).Thesesyntheticcommunitiesprovidereproducibleenvironmentsinwhichtoevaluateandrankchemicalsaccordingtotheirfatebutextrapolationtospecificecosystemsisdifficult.Thisisbecausetheylackcomplexpopulationstructuresandprocessesanalogoustospecificnaturalecosystems.Inaddition,theyfrequentlycontainabiomassoforganismsthatisnotscaledtothevolumeofwaterorsediment,therebygivingexaggeratedratesofchemicalmetabolism.Amicrocosmreplicatesmanyoftheprocessesaffectingthefateofachemicalinacomplexecosystem.Amicrocosmcanbeexaminedundercontrolledlaboratoryconditionsintheabsenceofcertainvariablesthatmightinterferewithanunderstandingofaparticularprocess.Microcosmsprovideanopportunitytomanipulatevariablesandtostudytheireffectsandinteractions.Microcosmsalsoofferreplicationpossibilitiesforassessingenvironmentalvariability,anadvantagethatisnotavailablefromfieldstudies.Microcosmscanbeusedtoexaminethesignificanceofvariousfateprocesses.Byexaminingtestcompoundsinmicrocosmsitispossibletodeterminetherelativeeffectsofvariousfateprocesses(forexample,bioticversusabiotic).Thismakesitpossibletofocusoncriticalprocessesandconsidersite-specificenvironmentalsituationswheretheseprocessespredominateorareabsent.Althoughsomefateprocessessuchashydrolysisorpartitioningtosedimentsmaybequantifiedadequatelyinsimplerstudies(forexample,shake-flaskoraquariatests)otherssuchasbioturbationmayrequirethecomplexityofamicrocosmforadequateassessment.Animportantaspectofmicrocosmtestingisdeterminingthesignificanceofbiologicalprocessesinenvironmentalfate.Bystudyingtestcompoundfateinsterilizedmicrocosms,theroleofbioturbation(thatcandistributeachemicaldeepinsedimentbeds)canbeassessedalongwithbiodegradation.Thefollowingareexamplesofchemicalfateinformationthatmightbeobtainedinmicrocosmstudies.Howlongachemicalsubstancewillpersistinitsparentforminaparticularenvironment,Whetherthefateofachemicalisprimarilydependentonbioticorabioticprocesses,Theeffectonthefateofachemicalbythepresenceofplantsthatmaytakeupthechemicalandstoreormetabolizeitandthatprovideadditionalsurfacesformicrobialcolonization,Theeffectonthefateofachemicalbytheactivityofbenthicorganismsthatmovewaterandsediment,and......
【中国标准分类号】:Z12
【国际标准分类号】:13_060_45
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:StandardClassificationforSearchandRescueDogCrew/Teams
【原文标准名称】:搜寻和援救狗群/队的标准分类
【标准号】:ASTMF1848-1998(2005)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:F32.02
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:救援规定;救援形式;意外事故命令系统;搜寻狗;规范(验收);救生服务
【英文主题词】:incidentcommandsystem;resourcetyping;searchdogs
【摘要】:1.1thisclassificationcoverstheaidofsearchandrescuemanagersinorderingresourcesforsearchandrescueincidentsandtoaiddoghandlersincommunicatingthetypesoftaskedforwhichtheyandtheirdogshavetrained.1.2ThisclassificationisintendedasasupplementtotheresourcetypingspecificationsoftheIncidentCommandSystemandspecificallyasameansoftypingsearchandrescuedogresources.1.3Thisclassificationissuitableforclassifyingdogresourcesforawidevarietyofemergencymanagementpurposesincludingbothsearchandrescueandlawenforcementincidents.1.4Thisclassificationdoesnotattempttoputforthstandardsofperformanceoftrainingfordogsortheirhandlers.Thisistheresponsibilityoflocalagenciesresponsibleforutilizingtheresource.
【中国标准分类号】:A90
【国际标准分类号】:13_200
【页数】:2P.;A4
【正文语种】: