DIN 62050-1-1990 针织物和编织物.单线圈针织物和单线圈编织物.概念和织物设计图示
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【英文标准名称】:Knittedfabrics;weftknittedfabrics;termsandgraphicrepresentation
【原文标准名称】:针织物和编织物.单线圈针织物和单线圈编织物.概念和织物设计图示
【标准号】:DIN62050-1-1990
【标准状态】:作废
【国别】:德国
【发布日期】:1990-06
【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】:图形表示;纬编织物;定义;图纸;术语;布;针织物;纺织材料
【英文主题词】:terminology;knittedfabrics;drawings;textiles;weft-knittedfabrics;graphicrepresentation;cloth;definitions
【摘要】:
【中国标准分类号】:W60
【国际标准分类号】:59_080_30
【页数】:14P;A4
【正文语种】:德语
【英文标准名称】:StandardGuideforUseofWaterTriplePointCells
【原文标准名称】:水三相点瓶标准使用指南
【标准号】:ASTME1750-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:E20.07
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:calibration;definingfixedpoint;fixedpoint;hydrostaticheadpressure;InternationalTemperatureScaleof1990(ITS-90);intrinsicproperty;KelvinThermodynamicTemperatureScale(KTTS);qualification;self-heating;standardplatinumresistan
【摘要】:Thisguidedescribesaprocedureforplacingawatertriple-pointcellinserviceandforusingitasareferencetemperatureinthermometercalibration.Thereferencetemperatureattainedisthatofafundamentalstateofpurewater,theequilibriumbetweencoexistingsolid,liquid,andvaporphases.Thecellissubjecttoqualificationbutnottocalibration.Thecellmaybequalifiedascapableofrepresentingthefundamentalstate(see4.2)bycomparisonwithabankofsimilarqualifiedcellsofknownhistory,anditmaybesoqualifiedandthequalificationdocumentedbyitsmanufacturer.Thetemperaturetobeattributedtoaqualifiedwatertriple-pointcellisexactly273.16KontheITS-90,unlesscorrectedforisotopiccomposition(refertoAppendixX3).Continuedaccuracyofaqualifiedcelldependsuponsustainedphysicalintegrity.ThismaybeverifiedbytechniquesdescribedinSection6.Thecommerciallyavailabletriplepointofwatercellsdescribedinthisstandardarecapableofachievinganexpandeduncertainty(k=2)ofbetweenx00B1;0.1mKandx00B1;0.05mK,dependinguponthemethodofpreparation.Specifiedmeasurementproceduresshallbefollowedtoachievetheselevelsofuncertainty.Commercially-availabletriplepointofwatercellsofunknownisotopiccompositionshouldbecapableofachievinganexpandeduncertainty(k=2)ofnogreaterthan0.25mK,dependingupontheactualisotopiccomposition(3).Thesetypesofcellsareacceptableforuseatthislargervalueofuncertainty.1.1Thisguidecoversthenatureoftwocommercialwatertriple-pointcells(typesAandB,seeFig.1)andprovidesamethodforpreparingthecelltorealizethewatertriple-pointandcalibratethermometers.Testsforassuringtheintegrityofaqualifiedcellandofcellsyettobequalifiedaregiven.Precautionsforhandlingthecelltoavoidbreakagearealsodescribed.1.2Theeffectofhydrostaticpressureonthetemperatureofawatertriple-pointcellisdiscussed.1.3ProceduresforadjustingtheobservedSPRTresistancereadingsfortheeffectsofself-heatingandhydrostaticpressurearedescribedinAppendixX1andAppendixX2.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N11
【国际标准分类号】:17_200_20
【页数】:7P.;A4
【正文语种】:英语
基本信息
标准名称: | 三爪支承 |
中标分类: |
机械 >>
工艺装备 >>
组合卡具 |
替代情况: | HB 1629-75 |
发布日期: | 1987-04-08 |
实施日期: | 1987-07-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 1页 |
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所属分类: 机械 工艺装备 组合卡具