BS EN 12884-1999 生物技术.离心机的性能标准
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【英文标准名称】:Biotechnology-Performancecriteriaforcentrifuges
【原文标准名称】:生物技术.离心机的性能标准
【标准号】:BSEN12884-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-06-15
【实施或试行日期】:1999-06-15
【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】:危害;验证;使用说明;作标记;漏泄试验;等级(质量);分类系统;灭菌;性能;微生物;生物分析和试验;离心机;清洁处理;生物技术
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesperformancecriteriaforcentrifugesusedinbiotechnologicalprocesseswithrespecttothepotentialrisksofmicroorganismsinusefortheworkerortheenvironmentThisEuropeanStandardapplieswheretheintendeduseofthecentrifugesincludeshazardousorpotentiallyhazardousmicroorganismsusedinbiotechnologicalprocessesand/orwhereexposureoftheworkerortheenvironmenttosuchmicroorganismsisrestrictedforreasonsofsafety.ThisEuropeanStandardappliestocentrifugeswithnoauxiliaryequipmentItalsoappliestocentrifugesystemsequippedwithallnecessaryauxiliaryequipmentforexamplevalves,probes,filtersandsteamtraps,necessaryforoperationofcentrifugesandtoaccomplishcleaningandsterilization.
【中国标准分类号】:C04
【国际标准分类号】:07_080;07_100_01
【页数】:12P;A4
【正文语种】:英语
基本信息
| 标准名称： | 四轮农用运输车驱动桥可靠性考核试验规范(内部使用) |
| 中标分类： |
车辆 >>
专用汽车 >>
农、牧、副、渔用汽车 |
| ICS分类： |
农业 >>
农业机械、工具和设备 >>
农业拖拉机和牵引车辆
|
| 替代情况： | 被JB/T 8582.1-2001代替 |
| 发布日期： | |
| 实施日期： | 2000-01-01 |
| 首发日期： | |
| 作废日期： | 2001-10-01 |
| 出版日期： | |
| 页数： | 9页 |
适用范围
没有内容
前言
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目录
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引用标准
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所属分类： 车辆 专用汽车 农 牧 副 渔用汽车 农业 农业机械 工具和设备 农业拖拉机和牵引车辆
【英文标准名称】:StandardPracticeforDesignandInstallationofGroundWaterMonitoringWells
【原文标准名称】:设计和安装地下水监测井的标准实施规程
【标准号】:ASTMD5092-2004(2010)e1
【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】:aquifer;boreholedrilling;geophysicalexploration;groundwater;monitoringwell;siteinvestigation;Siteidentification/investigation/selection;Aquifers;Boreholedrilling;Design--ground-watersystems;Fieldtesting--groundwater/aquifers;Geoph
【摘要】:Thispracticeforthedesignandinstallationofgroundwatermonitoringwellswillpromote(1)efficientandeffectivesitehydrogeologicalcharacterization;(2)durableandreliablewellconstruction;and(3)acquisitionofrepresentativegroundwaterqualitysamples,groundwaterlevels,andhydraulicconductivitytestingdatafrommonitoringwells.Thepracticesestablishedhereinareaffectedbygovernmentalregulationsandbysite-specificgeological,hydrogeological,climatological,topographical,andsubsurfacegeochemicalconditions.Tomeetthesegeoenvironmentalchallenges,thispracticepromotesthedevelopmentofaconceptualhydrogeologicmodelpriortomonitoringwelldesignandinstallation.Aproperlydesignedandinstalledgroundwatermonitoringwellprovidesessentialinformationononeormoreofthefollowingsubjects:Formationgeologicandhydraulicproperties;Potentiometricsurfaceofaparticularhydrologicunit(s);Waterqualitywithrespecttovariousindicatorparameters;andWaterchemistrywithrespecttoacontaminantrelease.1.1Thispracticedescribesamethodologyfordesigningandinstallingconventional(screenedandfilter-packed)groundwatermonitoringwellssuitableforformationsrangingfromunconsolidatedaquifers(i.e.,sandsandgravels)togranularmaterialshavinggrain-sizedistributionswithupto50%passinga200sieveandasmuchas20%clay-sizedmaterial(i.e.,siltyfinesandswithsomeclay).Formationsfinerthanthis(i.e.,silts,clays,siltyclays,clayeysilts)shouldnotbemonitoredusingconventionalmonitoringwells,asrepresentativegroundwatersamples,freeofartifactualturbidity,cannotbeassuredusingcurrentlyavailabletechnology.Alternativemonitoringtechnologies(notdescribedinthispractice)shouldbeusedintheseformations1.2Therecommendedmonitoringwelldesignandinstallationprocedurespresentedinthispracticearebasedontheassumptionthattheobjectivesoftheprogramaretoobtainrepresentativegroundwatersamplesandotherrepresentativegroundwaterdatafromatargetedzoneofinterestinthesubsurfacedefinedbysitecharacterization.1.3Thispractice,incombinationwithproperwelldevelopment(D5521),propergroundwatersamplingprocedures(D4448),andproperwellmaintenanceandrehabilitation(D5978),willpermitacquisitionofgroundwatersamplesfreeofartifactualturbidity,eliminatesiltationofwellsbetweensamplingevents,andpermitacquisitionofaccurategroundwaterlevelsandhydraulicconductivitytestdatafromthezonescreenedbythewell.Forwellsinstalledinfine-grainedformationmaterials(upto50%passinga200sieve),itisgenerallynecessarytouselow-flowpurgingandsamplingtechniques(D6771)incombinationwithproperwelldesigntocollectturbidity-freesamples.1.4Thispracticeappliesprimarilytowelldesignandinstallationmethodsusedindrilledboreholes.OtherStandards,includingGuideD6724andPracticeD6725,coverinstallationofmonitoringwellsusingdirect-pushmethods.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard,exceptasnotedbelow.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,whichareprovidedforinformationonlyandarenotconsideredstandard......
【中国标准分类号】:P13
【国际标准分类号】:13_060_10
【页数】:16P.;A4
【正文语种】:英语
