BS 6283-4-1991 热水系统中安全控制装置.第4部分:最大供给压力不超过12bar、标准尺寸不超过DN50的放松减压阀规范
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【英文标准名称】:Safetyandcontroldevicesforuseinhotwatersystems-Specificationfordrop-tightpressurereducingvalvesofnominalsizeuptoandincludingDN50forsupplypressuresuptoandincluding12bar
【原文标准名称】:热水系统中安全控制装置.第4部分:最大供给压力不超过12bar、标准尺寸不超过DN50的放松减压阀规范
【标准号】:BS6283-4-1991
【标准状态】:作废
【国别】:英国
【发布日期】:1991-06-28
【实施或试行日期】:1991-06-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:作标记;压力调节器;尺寸;扭转试验;试验设备;定型试验;安全装置;阀门;压力试验;性能;调节;耐久试验;管接头;试验压力;量值;流量测量;供热水系统;试验条件;流量率;给水(建筑物);水阀;漏泄试验
【英文主题词】:Adjustment;Balance;Endurancetesting;Flowmeasurement;Flowrates;Hot-watersupplysystems;Leaktests;Marking;Performance;Pipeconnections;Pressureregulators;Pressuretesting;Safetydevices;Size;Testequipment;Testpressure;Testingconditions;Torsiontesting;Typetesting;Valves;Watersupply(buildings);Watervalves
【摘要】:Design,constructionandtestingofdroptightpressurereducingvalves,sometimesknownaspressurelimitingvalves.Doesnotgiverecommendationsonapplicationorinstallationofthevalves.
【中国标准分类号】:P42
【国际标准分类号】:91_140_60
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:Microbiologyoffoodandanimalfeedingstuffs-Generalrequirementsandguidanceformicrobiologicalexaminations(ISO7218:2007);GermanversionENISO7218:2007
【原文标准名称】:食品和动物饲料微生物学.微生物检验的一般要求和指南
【标准号】:ENISO7218-2007
【标准状态】:现行
【国别】:
【发布日期】:2007-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:农产品;饲料;细菌纲;生物测定;生物试验;清洁处理;饮食;消毒;设备;检验(质量保证);食品检验;食品;卫生学;说明书;仪器;调查;实验室;实验室设备;实验室装备;实验室取样;实验室试验;实验室器皿;维修;测量仪器;微生物分析;微生物学;微生物;真菌学;人员;质量保证;质量控制;安全要求;抽样方法;规范(验收);试样制备;绝育(出生控制);储存;试验室;测试;证实;验证;外观检查(测试);工作场所;工作地点
【英文主题词】:Agriculturalproducts;Animalfeed;Bacteria;Bioassay;Biologicaltests;Cleaning;Diet;Disinfections;Equipment;Examination(qualityassurance);Foodinspection;Foodproducts;Hygiene;Instructions;Instruments;Investigations;Laboratories;Laboratoryequipment;Laboratoryfurniture;Laboratorysample;Laboratorytests;Laboratoryware;Maintenance;Measuringinstruments;Microbiologicalanalysis;Microbiology;Microorganisms;Mycology;Personnel;Qualityassurance;Qualitycontrol;Safetyrequirements;Samplingmethods;Specification(approval);Specimenpreparation;Sterilization(birthcontrol);Storage;Testlaboratories;Testing;Validation;Verification;Visualinspection(testing);Workspaces;Workingplaces
【摘要】:
【中国标准分类号】:C50
【国际标准分类号】:07_100_30
【页数】:77P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforPetrographicExaminationofHardenedConcrete
【原文标准名称】:硬化混凝土的岩相检查的标准实施规程
【标准号】:ASTMC856-2004
【标准状态】:现行
【国别】:
【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】:C09.65
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:硬化的;岩石学;施工材料;混凝土;建筑;试验
【英文主题词】:aggregates;airvoids;alkali-silicareaction;analysis;deterioration;examination;fireeffects;hardenedconcrete;microscopy;paste;petrographic;secondarydeposits
【摘要】:1.1Thispracticeoutlinesproceduresforthepetrographicexaminationofsamplesofhardenedconcrete.Thesamplesexaminedmaybetakenfromconcreteconstructions,theymaybeconcreteproductsorportionsthereof,ortheymaybeconcreteormortarspecimensthathavebeenexposedinnaturalenvironments,ortosimulatedserviceconditions,orsubjectedtolaboratorytests.Thephrase"concreteconstructions"isintendedtoincludeallsortsofobjects,units,orstructuresthathavebeenbuiltofhydrauliccementconcrete.Note18212;Aphotographicchartofmaterials,phenomena,andreactionproductsdiscussedinSections7-12andTable1-6areavailableasAdjunctC856(ADJCO856).1.2Thepetrographicproceduresoutlinedhereinareapplicabletotheexaminationofsamplesofalltypesofhardenedhydraulic-cementmixtures,includingconcrete,mortar,grout,plaster,stucco,terrazzo,andthelike.Inthispractice,thematerialforexaminationisdesignatedas"concrete,"eventhoughthecommentarymaybeapplicabletotheothermixtures,unlessthereferenceisspecificallytomediaotherthanconcrete.1.3outlinesanuranylacetatemethodforidentifyinglocationswherealkali-silicagelmaybepresent.Itisarequirementthatthesubstancesinthoselocationsmustbeidentifiedusinganyothermoredefinitivetechniques,suchaspetrographicmicroscopy.1.4Thepurposesofandproceduresforpetrographicexaminationofhardenedconcretearegiveninthefollowingsections:SectionQualificationsofPetrographersandUseofTechnicians3PurposesofExamination4Apparatus5SelectionandUseofApparatus6Samples7ExaminationofSamples8SpecimenPreparation9VisualandStereomicroscopeExamination10PolarizingMicroscopeExamination11PasteFeatures12Report13
