【英文标准名称】:Bamboo-Determinationofphysicalandmechanicalproperties-Part1:Requirements
【原文标准名称】:竹子.物理和机械性能的测定.第1部分:要求
【标准号】:ISO22157-1-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-06
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC165
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);物理性能;木材;机械性能;试验;抽样方法;竹子;试样制备;乔木;定义
【英文主题词】:definition;specification(approval);specimenpreparation;definitions;wood;mechanicalproperties;trees(plants);samplingmethods;physicalproperties;bamboo;testing
【摘要】:ThispartofISO22157specifiestestmethodsforevaluatingthefollowingcharacteristicphysicalandstrengthpropertiesforbamboo:moisturecontent,masspervolume,shrinkage,compression,bending,shearandtension.ThispartofISO22157coverstestsonspecimensofbamboothatareconductedtoobtaindata,whichcanbeusedtoestablishcharacteristicstrengthfunctionsandtoarriveattheallowablestresses.Thedatacanalsobeusedtoestablishtherelationshipbetweenmechanicalpropertiesandfactors,suchasmoisturecontent,masspervolume,growthsite,positionalongtheculm,presenceofnodeandinternode,etc.,forquality-controlfunctions.
【中国标准分类号】:B67
【国际标准分类号】:79_040
【页数】:19P;A4
【正文语种】:英语


【英文标准名称】:Opticalfibres-Measurementmethodsandtestprocedures-Cut-offwavelength
【原文标准名称】:光纤.测量方法和试验规程.截止波长
【标准号】:BSEN60793-1-44-2002
【标准状态】:作废
【国别】:英国
【发布日期】:2002-06-06
【实施或试行日期】:2002-06-06
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:截止波长;光波导;纤维光学;测量技术;尺寸;测量;特性;试验;电气工程;波长
【英文主题词】:Cut-offwavelength;Dimensions;Electricalengineering;Fibreoptics;Measurement;Measuringtechniques;Opticalwaveguides;Properties;Testing;Wavelengths
【摘要】:ThispartofIEC60793establishesuniformrequirementsformeasuringthecut-offwavelengthofsingle-modeopticalfibre,therebyassistingintheinspectionoffibresandcablesforcommercialpurposes.Thisstandardprovidesmethodsformeasuringthecut-offwavelengthofcable,fibre,andjumpercable.Twomethodsexistformeasuringcablecut-offwavelength,λcc:-methodA:usinguncabledfibre;-methodB:usingcabledfibre.Thereisonlyonemethodformeasuringfibrecut-offwavelength,λc.Thereisonlyonemethodformeasuringjumpercablefibrecut-offwavelength,λcj.Thetestmethodinthisstandarddescribesproceduresfordeterminingthecut-offwavelengthofasamplefibreineitheranuncabledcondition(λc)orinacable(λcc)orasajumpercable(λcj).Threedefaultconfigurationsaregivenhere:anydifferentconfigurationwillbegiveninadetailspecification.ThismethodappliestoallBfibretypes.Allmethodsrequireareferencemeasurement.Therearetworeference-scantechniques,eitherorbothofwhichmaybeusedwithallmethods:-bend-referencetechnique;-multimode-referencetechnique.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:24P.;A4
【正文语种】:英语