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CB/T 144-1999 船用脱钩索具螺旋扣

作者:标准资料网 时间:2024-05-12 21:21:38  浏览:8152   来源:标准资料网
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基本信息
标准名称:船用脱钩索具螺旋扣
英文名称:Slip-hook turnbuckle for ship rigging
中标分类: 船舶 >> 舾装设备 >> 船用装置
ICS分类: 造船和海上建筑物 >> 船舶和海上建筑物综合 >> 甲板设备和装置
替代情况:原标准号GB 3474-1983
发布日期:1900-01-01
实施日期:1986-03-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:3页
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引用标准

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所属分类: 船舶 舾装设备 船用装置 造船和海上建筑物 船舶和海上建筑物综合 甲板设备和装置
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【英文标准名称】:Indoor,ambiantandworkplaceair-Samplingandanalysisofvolatileorganiccompoundsbysorbenttube/thermaldesorption/capillarygaschromatography-Part1:Pumpedsampling
【原文标准名称】:室内、环境和工作场所空气用吸附管/热解吸/毛细管气相色谱法作挥发性有机化合物的取样及分析第1部分:泵唧取样
【标准号】:ISO16017-1-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-11
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC146
【标准类型】:()
【标准水平】:()
【中文主题词】:取样;解吸;抽样方法;毛细管;环境空气;室内气候;泵;管试验;大气;气相色谱法;热的;空气;挥发物测定;吸附;空气质量;分析;工作地点
【英文主题词】:Air;Airpurification;Airquality;Ambientair;Analysis;Atmosphere;Atmosphericpollutants;Bearings;Calibration;Capillary;Chromium;Cleaning;Compounds;Concentration;Desorption;Exteriorareas;Gasanalysis;Gaschromatography;Indoorclimate;Indoors;Inneratmosphere;Interferences;Mass;Methods;Methodsofanalysis;Openair;Operatingstations;Organic;Organiccompounds;Pipes;Pumps;Rooms;Sampling;Samplingmethods;Sidetesters;Solvents;Sorption;Testgases;Testing;Thermal;Thermics;Tubetests;Tubes;Volatile;Volatilematterdetermination;Workingplaces
【摘要】:ThispartofISO16017givesgeneralguidanceforthesamplingandanalysisofvolatileorganiccompounds(VOCs)inair.Itisapplicabletoambient,indoorandworkplaceatmospheresandtheassessmentofemissionsfrommaterialsinsmall-orfull-scaletestchambers.ThispartofISO16017isappropriateforawiderangeofVOCs,includinghydrocarbons,halogenatedhydro-carbons,esters,glycolethers,ketonesandalcohols.AnumberofsorbentsarerecommendedforthesamplingoftheseVOCs,eachsorbenthavingadifferentrangeofapplicability.Verypolarcompoundswillgenerallyrequirederivatization,verylowboilingcompoundswillonlybepartiallyretainedbythesorbents,dependingonambienttemperature,andcanonlybeestimatedqualitatively.Semi-volatilecompoundswillbefullyretainedbythesorbents,butmayonlybepartiallyrecovered.CompoundsforwhichthispartofISO16017hasbeentestedaregivenintables.ThispartofISO16017maybeapplicabletocompoundsnotlisted,butinthesecasesitisadvisabletouseaback-uptubecontainingthesameorastrongersorbent.ThispartofISO16017isapplicabletothemeasurementofairbornevapoursofVOCsinaconcentrationrangeofapproximately0,5μg/mto100mg/mindividualcompound.Theupperlimitoftheusefulrangeissetbythesorptivecapacityofthesorbentusedandbythelineardynamicrangeofthegaschromatographcolumnanddetectororbythesample-splittingcapabilityoftheanalyticalinstrumentationused.Thesorptivecapacityismeasuredasabreakthroughvolumeofair,whichdeterminesthemaximumairvolumethatshallnotbeexceededwhensampling.Thelowerlimitoftheusefulrangedependsonthenoiselevelofthedetectorandonblanklevelsofanalyteand/orinterferingartefactsonthesorbenttubes.Artefactsaretypicallysub-nanogramforwell-conditionedTenaxGRandcarbonaceoussorbentssuchasCarbopack/Carbotraptypematerials,carbonizedmolecularsievesandmolecularsievessuchasSpherocarb,orpurecharcoal;atlownanogramlevelsforTenaxTAandat5ngto50nglevelsforotherporouspolymerssuchasChromosorbsandPorapaks.Sensitivityistypicallylimitedto0,5μg/mfor10-litreairsampleswiththislattergroupofsorbentsbecauseoftheirinherenthighbackground.TheprocedurespecifiedinthispartofISO16017isapplicabletolowflowratepersonalsamplingpumpsandgivesatime-weightedaverageresult.Itisnotapplicabletothemeasurementofinstantaneousorshort-termfluctuationsinconcentration.note:1)ThesorbentslistedinannexCandelsewhereinthisInternationalStandardarethoseknowntoperformasspecifiedunderthispartofISO16017.Eachsorbentorproductthatisidentifiedbyatrademarkednameisuniqueandhasasolemanufacturer;however,theyarewidelyavailablefrommanydifferentsuppliers.ThisinformationisgivenfortheconvenienceofusersofthispartofISO16017anddoesnotconstituteanendorsementbyISOoftheproductnamed.Equivalentproductsmaybeusediftheycanbeshowntoleadtothesameresults.
【中国标准分类号】:C51
【国际标准分类号】:13_040_01
【页数】:29P;A4
【正文语种】:英语


【英文标准名称】:Cylindercores,tubecoresandscrewcoresofsoftmagneticferrite,testconditions
【原文标准名称】:软磁铁芯.捧形.管形和螺纹形铁芯.磁性试验
【标准号】:DIN41276-1-1974
【标准状态】:作废
【国别】:德国
【发布日期】:1974-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;磁芯;检验;材料;渗透率;电感;尺寸;铁氧体磁心
【英文主题词】:definitions;inductance;materials;ferritcores;dimensions;permeability;magneticcores;inspection
【摘要】:
【中国标准分类号】:L19
【国际标准分类号】:29_100_10;29_040_10
【页数】:4P;A4
【正文语种】:德语



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