ANSI/NEMA ICS6-1993 工业控制和系统附件
作者:标准资料网 时间:2024-05-19 05:55:28 浏览:8153
来源:标准资料网
【英文标准名称】:IndustrialControlandSystemsEnclosures
【原文标准名称】:工业控制和系统附件
【标准号】:ANSI/NEMAICS6-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:工业流程测量;控制设备;电气工程
【英文主题词】:industrialprocessmeasurement;electricalengineering;controlequipment
【摘要】:
【中国标准分类号】:N17
【国际标准分类号】:29_130_01;25_040_40
【页数】:
【正文语种】:英语
MIL-PRF-24635E, PERFORMANCE SPECIFICATION: COATING SYSTEMS, WEATHER-RESISTANT, EXTERIOR USE (15 SEP 2009)., This specification establishes the performance requirements for weather-resistant coating systems for use on primed, smooth metal, glass reinforced plastic (GRP), wood and plastic/composite exterior surfaces on naval vessels.【英文标准名称】:StandardPracticeforSamplingZooplanktonwithPumps
【原文标准名称】:用泵对浮游生物取样的标准实施规程
【标准号】:ASTME1198-1987(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】:浮游生物;抽样方法;工艺;污染控制;水;泵
【英文主题词】:
【摘要】:Theadvantagesofcollectingzooplanktonwithpumpsareasfollows:4.1.1Samplesizeismoreaccuratelycontrolledthanwithnets.4.1.2Discretesamplescanbemoreeasilyobtainedbothverticallyandhorizontally.4.1.3Multipleorreplicatesamplescanbemoreeasilyobtained.4.1.4Thepumpsareadaptabletoavarietyofecosystemslessthan30-mdeep.4.1.5Samplingefficiencydoesnotdecreasewithsamplesize.Thedisadvantagesofcollectingzooplanktonwithpumpsareasfollows:4.2.1Pumpsarebulkyandrequireanelectricalsource.4.2.2Pumpsaregenerallymorecostlythannets.4.2.3Pumpsgenerallydiscriminateagainstcollectingmacroplankton.4.2.4Pumpintaketubesmaybeavoidedbythemoremotilezooplanktonforms.4.2.5Requiresalong,bulky,intaketubefordeepwatersampling.Thereareseveralspecialconsiderationsthatshouldbeobservedwhencollectingzooplanktonwithapump.Theyare:4.3.1Somepumpscanfragmentzooplanktonandinducemortalityduetotheirdesign.4.3.2Thepumphosemustbeclearedbeforetakingthenextsample.1.1Thispracticecoverstheproceduresforobtainingqualitative/quantitativesamplesofazooplanktoncommunitybyuseofpumpingsystems.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】:
