DIN 47305 Bb.4-1972 高频波导管；法兰连接尺寸.气密.C型圆管.尺寸76－140
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来源:标准资料网
【英文标准名称】:R.f.waveguides;dimensionsforflanges,pressurized,circulartubetypeC,size76to140
【原文标准名称】:高频波导管；法兰连接尺寸.气密.C型圆管.尺寸76－140
【标准号】:DIN47305Bb.4-1972
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodsforConductingMachiningTestsofWoodandWood-BaseMaterials
【原文标准名称】:进行木材和木基材料的机械切削试验的标准试验方法
【标准号】:ASTMD1666-1987(2004)
【标准状态】:现行
【国别】:
【发布日期】:1987
【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】:D07.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑;施工材料;试验;电导性;木材
【英文主题词】:
【摘要】:Machiningtestsaremadetodeterminetheworkingqualitiesandcharacteristicsofdifferentspeciesofwoodandofdifferentwoodandwood-basematerialsunderavarietyofmachineoperationssuchasareencounteredincommercialmanufacturingpractice.Thetestsprovideasystematicbasisforcomparingthebehaviorofdifferentspecieswithrespecttowoodworkingmachineoperationsandofevaluatingtheirpotentialsuitabilityforcertainuseswherethesepropertiesareofprimeimportance.1.1Thesetestmethodscoverproceduresforplaning,shaping,turning,mortising,boring,andsanding,allofwhicharecommonwood-workingoperationsusedinthemanufactureofwoodproducts.Thesetestsapply,indifferentdegrees,totwogeneralclassesofmaterials:1.1.1Woodintheformoflumber,and1.1.2Wood-basepanelmaterials.1.2Becauseoftheimportanceofplaning,someofthevariablesthataffecttheresultsofthisoperationareexploredwithaviewtodeterminingoptimumconditions.Inmostoftheothertests,however,itisnecessarytolimittheworktoonesetoffairlytypicalcommercialconditionsinwhichallthedifferentwoodsaretreatedalike.1.3Severalfactorsenterintoanycompleteappraisalofthemachiningpropertiesofagivenwood.Qualityoffinishedsurfaceisrecommendedasthebasisforevaluationofmachiningproperties.Rateofdullingofcuttingtoolsandpowerconsumedincuttingarealsoimportantconsiderationsbutarebeyondthescopeofthesetestmethods.1.4Althoughthemethodspresentedincludetheresultsofprogressivedevelopmentsintheevaluationofmachiningproperties,furtherimprovementsmaybeanticipated.Forexample,bypresentprocedures,qualityofthefinishedsurfaceisevaluatedbyvisualinspection,butasnewmechanicalorphysicaltechniquesbecomeavailablethatwillaffordimprovedprecisionofevaluation,theyshouldbeemployed.1.5Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Themetricequivalentsofinch-poundunitsmaybeapproximate.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B69
【国际标准分类号】:79_040;79_060_01
【页数】:19P.;A4
【正文语种】:
【英文标准名称】:Screwedtypemalleablecastironpipefittings
【原文标准名称】:螺旋式可锻铸铁管配件
【标准号】:JISB2301-1998
【标准状态】:作废
【国别】:日本
【发布日期】:1998-05-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonMachineElements
【标准类型】:()
【标准水平】:()
【中文主题词】:管道配件;螺纹管接头;管;弯头;可锻铸铁;管连接件
【英文主题词】:pipefittings;pipes;pipecouplings;screwedfittings;malleablecast-iron;elbows(pipes)
【摘要】:
【中国标准分类号】:H41
【国际标准分类号】:23_040_40
【页数】:34P;A4
【正文语种】:日语
