NF L43-378-2011 航空航天系列.8°30'钛合金管接头.45°隔板

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【英文标准名称】:Aerospaceseries-Pipecoupling8o30'intitaniumalloy-Elbows45o,bulkhead.
【原文标准名称】:航空航天系列.8°30'钛合金管接头.45°隔板
【标准号】:NFL43-378-2011
【标准状态】:现行
【国别】:法国
【发布日期】:2011-05-01
【实施或试行日期】:2011-05-27
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:验收规范;航空航天运输;航空运输;角(几何学);弯管联接器;闷头联接器;压合接头;名称与符号;尺寸规格;弯头;弯头(管);架设(施工作业);标志;管道配件;额定压力;航天运输;规范(验收);表面处理;温度范围;钛合金;表面处理加工
【英文主题词】:Acceptancespecification;Aerospacetransport;Airtransport;Angles(geometry);Bendcouplings;Bulkheadcouplings;Compressionfittings;Designations;Dimensions;Elbows;Elbows(pipes);Erecting(constructionoperation);Marking;Pipefittings;Ratedpressure;Spacetransport;Specification(approval);Surfacetreatment;Temperaturerange;Titaniumalloys;Treatmentsofsurfaces
【摘要】:
【中国标准分类号】:V21
【国际标准分类号】:49_080
【页数】:15P;A4
【正文语种】:其他


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【英文标准名称】:StandardPracticeforSamplingPhytoplanktonwithaClarke-BumpusPlanktonSampler
【原文标准名称】:用克拉克-邦普斯浮游生物采样器采集可繁殖海洋浮游生物
【标准号】:ASTMD4134-1982(2004)
【标准状态】:现行
【国别】:
【发布日期】:1982
【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】:E47.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:工艺;资源回收;浮游生物;水质;污染控制;抽样方法
【英文主题词】:
【摘要】:TheadvantagesoftheClarke-Bumpusplanktonsamplerareasfollows:4.1.1Itwillsampleadiscretedepthormultipledepths,dependinguponthesamplingdesign.4.1.2Itisaslowtomediumspeedsamplerrequiringatowingspeedof3to5knots.4.1.3Thesamplesizecanbeeasilycontrolled.4.1.4Thesamplerislight-weightandcanbeusedwithoutauxiliaryequipment.4.1.5Ithasarelativelyhighfiltrationefficiencyfactorof0.88.4.1.6Itisaversatilesamplerandcanbeusedinallbuttheshallowestwaters.4.1.7Theflowmeterrecordstheamountofwaterthatpassesintothenet.4.1.8Overspillofwateratthemouthofthenetduetoexcessspeedoftowingisofminimalconsequence.ThedisadvantagesoftheClarke-Bumpusplanktonsamplerareasfollows:4.2.1Theflowmeterrequiresfrequentmaintenanceincludingcalibrationandlubrication.4.2.2Itisnotsuitableforuseinverysmallareasorshallowwaters.4.2.3Becauseoftheuseofanetasafiltrationmaterial,thesampleissemiquantitative.ThereareseveralspecialconsiderationsthatshallbeobservedwhenusingaClarke-Bumpussampler.Theyareasfollows:4.3.1Theflowmetershouldbecalibratedandservicedfrequentlytoensureefficientandaccurateoperation.4.3.2Thesamplerisrelativelyfragile,particularlytheclosingdeviceandflowmeter.Thisnecessitatescarefuldeploymentandrecoveryprocedures.4.3.3Followingeachcollection,thenetmustbethoroughlywashed.4.3.4Specialattentionmustbegiventothestrengthofthecableanditsattachmenttoavoidlossofthesampler.4.3.5Thesamplershouldnotbeusedinbedsofmacrophytes,inwaterscontainingsubmergedobjects,orclosetothebottom.4.3.6Thenetshouldbeinspectedfrequentlyforpin-sizeholes,tears,netdeterioration,andotheranomalies.4.3.7Followinguse,thewetnetshouldbesuspendedfulllengthinairandinsubduedlightandallowedtodry.1.1ThispracticecoverstheproceduresforobtainingsemiquantitativesamplesofaphytoplanktoncommunitybyuseofaClarke-Bumpusplanktonsampler.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z04
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】:


【英文标准名称】:Solderlessconnections-Part8:compressionmountconnections-Generalrequirements,testmethodsandpracticalguidance.
【原文标准名称】:无焊连接.第8部分:压缩安装连接件.一般要求,试验方法和实用指南.
【标准号】:NFC93-028-2011
【标准状态】:现行
【国别】:法国
【发布日期】:2011-09-01
【实施或试行日期】:2011-09-10
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Cablessplices;Clamps;Communicationtechnology;Connectiontechnology;Connections;Contact;Contactsurfaces;Definitions;Electricterminals;Electricwires;Electricalengineering;Electronicengineering;Electronicequipment;Guidebooks;Hook-upwires;Informationprocessing;Inspection;Ratings;Solderlessconnections;Strandedwires;Telecommunication;Telecommunications;Testing
【摘要】:
【中国标准分类号】:L23
【国际标准分类号】:31_220_10
【页数】:25P;A4
【正文语种】:其他