ISO 6414-1982 玻璃器皿的技术制图
时间:2024-05-16 14:39:07 来源: 标准资料网 作者：标准资料网 阅读：8473
【英文标准名称】:Technicaldrawingsforglassware
【原文标准名称】:玻璃器皿的技术制图
【标准号】:ISO6414-1982
【标准状态】:现行
【国别】:国际
【发布日期】:1982-02
【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/TC10
【标准类型】:()
【标准水平】:()
【中文主题词】:图纸;工程图;总论;技术图纸;实验室器皿;通则;图解法;玻璃器皿;实验室玻璃器皿
【英文主题词】:Controlling;Drawings;Engineeringdrawings;Generalsection;Glass;Glassware;Graphicalmethods;Laboratoryglassware;Laboratoryware;Representations
【摘要】:Therulesandconventionsestablishedareintendedforparticularusewithdrawingsforlaboratoryglasswareorglasswareinothertechnicalfields.Opticalpartsarenotincluded.Thefiguresmerelyillustratethetextandshouldnotbeconsidereddesignexamples.Theyaresimplifiedandnottoecale.
【中国标准分类号】:Y22
【国际标准分类号】:01_100_20;81_040_30
【页数】:6P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforImpedanceandAbsorptionofAcousticalMaterialsbyImpedanceTubeMethod
【原文标准名称】:用阻抗管法测定隔音材料的声阻抗与吸音性的标准试验方法
【标准号】:ASTMC384-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E33.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:吸收;阻抗;材料;试验;声学
【英文主题词】:absorption;impedance;impedanceratio;impedancetube;normalincidencesoundabsorptioncoefficient;specificnormalacousticimpedance
【摘要】:Theacousticalimpedancepropertiesofasoundabsorptivematerialarerelatedtoitsphysicalproperties,suchasairflowresistance,porosity,elasticity,anddensity.Assuch,themeasurementsdescribedinthistestmethodareusefulinbasicresearchandproductdevelopmentofsoundabsorptivematerials.Normalincidencesoundabsorptioncoefficientsaremoreusefulthanrandomincidencecoefficientsincertainsituations.Theyareused,forexample,topredicttheeffectofplacingmaterialinasmallenclosedspace,suchasinsideamachine.Estimatesoftherandomincidenceorstatisticalabsorptioncoefficientsformaterialscanbeobtainedfromnormalincidenceimpedancedata.Formaterialsthatarelocallyreacting,thatis,withoutsoundpropagationinsidethematerialparalleltoitssurface,statisticalabsorptioncoefficientscanbeestimatedfromspecificnormalacousticimpedancevaluesusinganexpressionderivedbyLondon(1).5Locallyreactingmaterialsincludethosewithhighinternallossesparallelwiththesurfacesuchasporousorfibrousmaterialsofhighdensityormaterialsthatarebackedbypartitionedcavitiessuchasahoneycombcore.Formulasforestimatingrandomincidencesoundabsorptionpropertiesforbothlocallyandbulk-reactingmaterials,aswellasformultilayersystemswithandwithoutairspaceshavealsobeendeveloped(2).1.1Thistestmethodcoverstheuseofanimpedancetube,alternativelycalledastandingwaveapparatus,forthemeasurementofimpedanceratiosandthenormalincidencesoundabsorptioncoefficientsofacousticalmaterials.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.
【中国标准分类号】:Q25
【国际标准分类号】:91_120_20
【页数】:9P.;A4
【正文语种】:
【英文标准名称】:Welding-Studsandceramicferrulesforarcstudwelding
【原文标准名称】:焊接.弧螺栓焊用螺栓和陶瓷箍套
【标准号】:BSENISO13918-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-06-30
【实施或试行日期】:2008-06-30
【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】:弧螺栓焊;电弧焊接;螺栓;陶瓷;分类;合格;合格评估;定义;设计;尺寸;箍;作标记;金属加工;螺柱焊接;螺柱;符号;表(数据);类型;重量;焊接接头;焊接;焊接工程;焊接工艺
【英文主题词】:Arcstudwelding;Arcwelding;Bolts;Ceramics;Classification;Conformity;Conformityassessment;Definition;Definitions;Design;Dimensions;Ferrules;Marking;Metalworking;Studwelding;Studs;Symbols;Tables(data);Types;Weights;Weldedjoints;Welding;Weldingengineering;Weldingprocesses
【摘要】:
【中国标准分类号】:J13;J33
【国际标准分类号】:21_060_10;25_160_10
【页数】:42P.;A4
【正文语种】:英语