BS EN 61300-3-20-2002 光纤互联装置和无源部件.基本试验和测量程序.检验和测量.光纤分路器的指向性
作者:标准资料网 时间:2024-05-14 07:13:43 浏览:8605
来源:标准资料网
【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents-Basictestandmeasurementprocedures-Examinationsandmeasurements-Directivityoffibreopticbranchingdevices
【原文标准名称】:光纤互联装置和无源部件.基本试验和测量程序.检验和测量.光纤分路器的指向性
【标准号】:BSEN61300-3-20-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-03-14
【实施或试行日期】:2002-03-14
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;光波导;测量技术;指向系数;紧固件
【英文主题词】:Branchingdevices;Cabledistributioncubicles;Cables;Checkgauge;Components;Connectiontechnology;Damping;Directivity;Directivityfactors;Electricplugs;Electricalengineering;Fasteners;Fibreoptics;Glassfibrecables;Measurement;Measuringtechniques;Opticalwaveguides;Passive;Testing
【摘要】:ThepurposeofthispartofIEC61300istomeasurethedirectivityoflightbetweenchannelsofamultiportnon-wavelength-selectiveMxNfibreopticbranchingdevice.Thedirectivityisdefinedasthefractionofthelightthatgoesfromaninputpathtoanotherinputopticalpath,normallyisolatedfromthepreviousone.
【中国标准分类号】:L23
【国际标准分类号】:33_180_20
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforAnalysisofComponentsinPoly(VinylChloride)CompoundsUsinganInfraredSpectrophotometricTechnique
【原文标准名称】:用红外线分光光度法分析聚氯乙烯组分的标准试验方法
【标准号】:ASTMD2124-1999(2011)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:红外线光谱法
【英文主题词】:Infraredspectroscopy
【摘要】:PVCcompoundsareusedinawidevarietyofproductsandhencetheyareformulatedtoprovideawiderangeofphysicalproperties.Thephysicalpropertiesrequiredinacompounddependupontheproductinwhichitisused.Thesepropertiesarelargelydeterminedbythetype,quantity,andqualityofthecompoundingingredients.Theanalyticaltestmethoddescribedbelowmakesuseofinfraredspectrophotometryforthequalitativeorquantitativedetermination,orboth,ofmanyoftheseingredientsinPVCcompounds.Thistestmethodmaybeusedforavarietyofapplicationsincludingprocesscontrol,rawmaterialacceptance,productevaluation,anddeterminationofchangesincompositionresultingfromenvironmentaltesting.Thistestmethodisdirectlyapplicableonlytothosecomponentslistedintheappendixandtothosecomponentswhichareknowntobesimilarinchemicalcompositionandinsolubilitycharacteristicstothechemicalslistedintheappendix.1.1Thistestmethodprovidesfortheidentificationofcertainresins,plasticizers,stabilizers,andfillersinpoly(vinylchloride)(PVC)compoundsbyaninfraredspectrophotometrictechnique.Inmanycases,individualcomponentsmaybemeasuredquantitatively.Complementaryprocedures,suchaschromatographicandotherseparations,willbenecessarytoseparatespecificcomponentsandextendtheapplicationsofthistestmethod.Otherinstrumentaltestmethods,suchasopticalemissionorX-rayspectroscopicmethods,mayyieldcomplementaryinformationwhichmayallowmorecompleteor,insomecases,easiermeasurementofthecomponents.Theresincomponentscoveredinthistestmethodarelistedintheappendix.1.2PVCformulationsaretoovariedtobecoveredadequatelybyasingletestmethod.Usingthefollowingtestmethod,manycompoundsmaybeseparatedintoresins,plasticizers,stabilizers,andfillers.Anumberofcomponentscanbequantitativelymeasured.Manymorecanbeidentifiedandtheirconcentrationsestimated.Bytheuseofpreparedstandards,onemaydeterminetheusefulnessandaccuracyofthetestmethodforspecificPVCformulations.Thistestmethodisapplicablefortheresincomponentslistedintheappendixandforothercomponentshavingsimilarchemicalcompositionsandsolubilitycharacteristics.Thistestmethodcanleadtoerrorincaseswherethenatureofthecomponentsisnotknown.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinbracketsaregivenforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnoknownISOequivalenttothisstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_140_99
【页数】:5P.;A4
【正文语种】:
基本信息
标准名称: | 条并卷机 |
英文名称: | Sliver doubling machine |
中标分类: |
纺织 >>
纺织机械与器具 >>
纺部机械与器具 |
ICS分类: |
纺织和皮革技术 >>
纺织机械
|
替代情况: | 被FZ/T 93045-2009代替 |
发布部门: | 中国纺织总会 |
发布日期: | 1997-08-21 |
实施日期: | 1997-10-01 |
首发日期: | 1900-01-01 |
作废日期: | 2010-06-01 |
提出单位: | 中国纺织总会技术装备部 |
归口单位: | 无锡纺织机械研究所 |
起草单位: | 无锡纺织机械研究所、常德纺织机械厂、上海纺织机械总厂 |
起草人: | 包明云、杜任星、徐静蓉 |
出版社: | 中国标准出版社 |
出版日期: | 2004-04-24 |
页数: | 4页 |
书号: | 155066.2-11812 |
适用范围
本标准规定了条并卷机的基本参数、技术要求、试验方法及标志,包装、运输、贮存。
本标准适用于棉条多根并合,牵伸成棉片。并由棉片叠合后紧压卷绕用的条并卷机。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 纺织 纺织机械与器具 纺部机械与器具 纺织和皮革技术 纺织机械