ISO 14452-2012 网络服务记账.要求
作者:标准资料网 时间:2024-05-27 16:42:07 浏览:9413
来源:标准资料网
【英文标准名称】:Networkservicesbilling-Requirements
【原文标准名称】:网络服务记账.要求
【标准号】:ISO14452-2012
【标准状态】:现行
【国别】:国际
【发布日期】:2012-07
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC239Projekt-Komitee
【标准类型】:()
【标准水平】:()
【中文主题词】:电路网络;通讯;客户信息;消费者保护;消费者;含量;成本计算;定义;设计;区域供暖;燃气供应;发票;服务设施;规范(验收);能量利用;热能利用
【英文主题词】:Circuitnetworks;Communication;Consumerinformation;Consumerprotection;Consumers;Contents;Costcalculation;Definitions;Design;Districtheating;Gassupply;Invoices;Services;Specification(approval);Utilizationofenergy;Utilizationofheat
【摘要】:
【中国标准分类号】:A12
【国际标准分类号】:03_080_30;35_240_99
【页数】:21P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforSonicDrillingforSiteCharacterizationandtheInstallationofSubsurfaceMonitoringDevices
【原文标准名称】:地下监视设备的场地特征和安装的声钻法标准实施规程
【标准号】:ASTMD6914-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D18.21
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:drilling;resonance;soilandrocksampling;sonic;subsurfaceexploration;Sonicdrilling;Subsurfacemonitoringdevices
【摘要】:Sonicdrillingisusedforgeoenvironmentalinvestigativeprograms.Itiswellsuitedforenvironmentalprojectsofaproduction-orientatednature.Disposalofdrillingspoilsisamajorcostelementinanyenvironmentalproject.Sonicdrillingoffersthebenefitofsignificantlyreduceddrillcuttingsandreducedfluidproduction.Sonicdrillingoffersrapidformationpenetrationtherebyincreasingproduction.Itcanreducefieldworktimegeneratingoverallprojectcostreductions.Thecontinuouscoresamplerecoveredprovidesarepresentativelithologicalcolumnforreviewandanalysis.Sonicdrillingreadilylendsitselftoenvironmentalinstrumentationinstallationandtoin-situtesting.Theadvantageofacleancasedholewithouttheuseofdrillingfluidsprovidesforincreasedefficiencyininstrumentationinstallation.Theabilitytocausevibrationtothecasingstringeliminatesthecomplicationofbackfillbridgingcommontootherdrillingmethodsandreducestheriskofcasinglockupallowingforeasycasingwithdrawalduringgrouting.Thecleanboreholereduceswelldevelopmenttime.Pumpingtestscanbeperformedasneededpriortowellscreenplacementtoinsureproperscreenlocation.Thesonicmethodisreadilyutilizedinmultiplecasedwellapplicationswhicharerequiredtopreventaquifercrosscontamination.Notwithstandingthepossibilityofvibratoryeffectsonthesurroundingformations,thesamesonicdrillingplusfactorsforenvironmentalmonitoringdeviceinstallationscarryoverforgeotechnicalinstrumentationaswell.Theinstallationofinclinometers,vibratingwirepiezometers,settlementgauges,andthelikecanbeaccomplishedefficientlywiththesonicmethod.Thecuttingaction,asthesonicdrillingbitpassesthroughtheformation,maycausedisturbancetothesoilstructurealongtheboreholewall.Thevibratoryactionofdirectingthesampleintothesamplebarrelandthenvibratingitbackoutcancausedistortionofthespecimen.Coresamplescanbehydraulicallyextractedfromthesamplebarreltoreducedistortion.Theuseofsplitbarrels,withorwithoutliners,mayimprovethesampleconditionbutmaynotcompletelyremovethevibratoryeffect.Whenpenetratingrockformations,thevibrationmaycreatemechanicalfracturesthatcanaffectstructuralanalysisforpermeabilityandtherebynotreflectthetruein-situcondition.Sonicdrillinginrockwillrequiretheuseofairorfluidtoremovedrillcuttingsfromthefaceofthebit,astheygenerallycannotbeforcedintotheformation.Samplescollectedbythedrysoniccoringmethodfromdense,dry,consolidatedorcementedformationsmaybesubjectedtodrillinginducedheat.Heatisgeneratedbytheimpactofthebitontheformationandthefrictioncreatedwhenthecorebarrelisforcedintotheformation.Thesamplingbarrelisadvancedwithoutdrillingfluidwheneverpossible.Therefore,inverydenseformations,drillingfluidsmayhavetobeusedtoremovedrillcuttingsfromthebitfaceandtocontroldrillinggeneratedheat.Indry,denseformationsprecautionstocontroldrillinggeneratedheatmaybenecessarytoavoidaffectingcontaminantpresence.Theaffectsofdrillinggeneratedheatcanbemitigatedbyshorteningsamplingruns,changingvibrationlevelandrotationspeed,usingcooledsamplingbarrels,collectinglargerdiametersamplestoreduceaffectontheinteriorofthesample,andusingfluidcoringmethodsorbyusingalternatesamplingmethodssuchasthestandardpenetrationtesttypesamplersatspecificintervals.Heatgeneratedwhilecasingtheboreholethroughdenseformationsafterthecoresamplehasbeenextractedcanbealleviatedbypotablewaterinjectionand/orbyusingcrowd-incasingbitsthatsheartheformationwithminimalresistance.Shouldboreholewalldensificationbeaconcernitcanbealleviatedby......
【中国标准分类号】:P96
【国际标准分类号】:13_080_05
【页数】:11P.;A4
【正文语种】:英语
【英文标准名称】:Aerospaceseries-Elementsofelectricalandopticalconnection-Testmethods-Part212:Surfacetransferimpedance;GermanandEnglishversionEN2591-212:2005
【原文标准名称】:航空航天系列.电和光学连接元件.试验方法.第212部分:表面传输阻抗
【标准号】:DINEN2591-212-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-08
【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】:航空航天运输;航空运输;飞行器部件;容量;电连接器;电插头;设备;紧固件;阻抗;多语种的;光波导;屏蔽效应;试验
【英文主题词】:Aerospacetransport;Airtransport;Aircraftcomponents;Capacity;Electricconnectors;Electricplugs;Equipment;Fasteners;Impedance;Multilingual;Opticalwaveguides;Screeningeffect;Testing
【摘要】:Thisstandardspecifiesmethodsformeasuringthesurfacetransferimpedanceandshieldingeffectivenessupto1GHzofaconnector,oraconnectorfittedwithanaccessoryandterminatedwithacable.Thepurposeofthetestistoensurethatthecompleteassemblyshallhaveacontinuous360?shieldingcapabilitythroughoutitslength.ThistestisbasedonIEC60512-23-3.#,,#
【中国标准分类号】:V25
【国际标准分类号】:49_060
【页数】:10P;A4
【正文语种】:多种语言
