【英文标准名称】:StandardPracticeforSamplingZooplanktonwithaClarke-BumpusPlanktonSampler
【原文标准名称】:用克--朋氏浮游生物采样器采集浮游生物
【标准号】:ASTME1199-1987(2004)
【标准状态】:现行
【国别】:
【发布日期】:1987
【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;采样方法;污染控制;侧壁试验器;浮游生物
【英文主题词】:
【摘要】:TheadvantagesoftheClarke-Bumpusplanktonsamplerareasfollows:4.1.1Itwillsampleadiscretedepthormultipledepths,dependinguponthesamplingdesign.4.1.2Itisaslowtomediumspeedsamplerrequiringatowingspeedofthreetofiveknots.4.1.3Thesamplesizecanbeeasilycontrolled.4.1.4Thesamplerislightweightandcanbeusedwithoutauxiliaryequipment.4.1.5Ithasarelativelyhighfiltrationefficiencyfactorof0.88.4.1.6Itisaversatilesamplerandcanbeusedinallbuttheshallowestwaters.4.1.7Theflowmeterrecordstheamountofwaterthatpassesintothenet.4.1.8Overspillofwateratthemouthofthenetduetoexcessspeedoftowingisofminimalconsequence.ThedisadvantagesoftheClarke-Bumpusplanktonsamplerareasfollows:4.2.1Theflowmeterrequiresfrequentmaintenanceincludingcalibrationandlubrication.4.2.2Itisnotsuitableforuseinverysmallareasorshallowwaters.ThereareseveralspecialconsiderationsthatshallbeobservedwhenusingaClarke-Bumpussampler.Theyare: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,thewetnetshouldbesuspendedfulllengthintheairinsubduedlightandallowedtodry.1.1ThispracticecoverstheproceduresforobtainingquantitativesamplesofazooplanktoncommunitybyuseofaClarke-Bumpusplanktonsampler.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z12
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】:


【英文标准名称】:Safetyofmachinery-Electricalequipmentofmachines-Part32:requirementsforhoistingmachines.
【原文标准名称】:机械的安全性.机械的电气设备.第32部分:起重机的要求
【标准号】:NFC79-130-32-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-12-01
【实施或试行日期】:2008-12-12
【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】:自动;电路;控制电路;起重机;切断;定义;分配装置;电缆;电机;(电网)电源;电动机;电线;电气工程;电气设备;电气装置;电气安全;电子工程;安装;起重设备;工业机械;装配;千斤顶;提升装置;提升设备;载荷盛装部件;机械;维护;操纵装置;电位均衡;额定电压;安全;安全组件;安全工程;机械安全;规范(验收);储存和回收机械;应力;开关;开关装置;试验;电压;绞盘
【英文主题词】:Automatic;Circuits;Controlcircuits;Cranes;Cutoff;Definition;Definitions;Distributioninstallation;Electriccables;Electricmachines;Electricmains;Electricmotors;Electricalcords;Electricalengineering;Electricalequipment;Electricalinstallations;Electricalsafety;Electronicengineering;Erection;Hoistingdevices;Industrialmachines;Installation;Jacks;Liftingdevices;Liftingequipment;Load-containingdevices;Machines;Maintenance;Operatingdevices;Potentialequalization;Ratedvoltage;Safety;Safetycomponents;Safetyengineering;Safetyofmachinery;Specification(approval);Storageandretrievalmachines;Stress;Switches;Switchgear;Switchgears;Testing;Voltage;Winches
【摘要】:
【中国标准分类号】:J80
【国际标准分类号】:29_020;53_020_01
【页数】:153P;A4
【正文语种】:其他