ASTM D 4590-1995 用分光光度法测定苯乙烯单体中对一叔丁基邻苯二酚的比色测定方法
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【英文标准名称】:StandardTestMethodforColorimetricDeterminationofp-tert-ButylcatecholInStyreneMonomerorAMS([alpha]-Methylstyrene)bySpectrophotometry
【原文标准名称】:用分光光度法测定苯乙烯单体中对一叔丁基邻苯二酚的比色测定方法
【标准号】:ASTMD4590-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:含量测定;涂料;芳烃;试验;苯乙烯;丁基化合物;单体;油性涂料;芳族化合物;醇;溶剂
【英文主题词】:aromatichydrocarbons;oilpaints;aromaticcompounds;solvents;butylcompounds;alcohol;paints;styrene;monomers;determinationofcontent;testing
【摘要】:
【中国标准分类号】:G60
【国际标准分类号】:71_080_60;17_180_20
【页数】:
【正文语种】:英语
【英文标准名称】:Graphicalsymbolsforuseintheengineeringandrelatedfields;plasticsmaschinery
【原文标准名称】:机器制造的图形符号.塑料机
【标准号】:DIN24900T.20-1982
【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】:StandardGuideforRadioscopy
【原文标准名称】:射线的标准指南
【标准号】:ASTME1000-1998(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:E07.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:configuration;electronic;module;non-destructive;radioscopy;real-time;Aluminum;Componentsanalysis;Defects;Electricalconductors(semiconductors);Gammaradiation;Lighttransmissionandreflection;Metalsandmetallicmaterials;Nonfilmdete
【摘要】:Radioscopyisaversatilenondestructivemeansforexamininganobject.Itprovidesimmediateinformationregardingthenature,size,location,anddistributionofimperfections,bothinternalandexternal.Italsoprovidesarapidcheckofthedimensions,mechanicalconfiguration,andthepresenceandpositioningofcomponentsinamechanism.Itindicatesinreal-timethepresenceofstructuralorcomponentimperfectionsanywhereinamechanismoranassembly.Throughmanipulation,itmayprovidethree-dimensionalinformationregardingthenature,sizes,andrelativepositioningofitemsofinterestwithinanobject,andcanbefurtheremployedtocheckthefunctioningofinternalmechanisms.Radioscopypermitstimelyassessmentsofproductintegrity,andallowspromptdispositionoftheproductbasedonacceptancestandards.Althoughcloselyrelatedtotheradiographicmethod,ithasmuchloweroperatingcostsintermsoftime,manpower,andmaterial.Long-termrecordsoftheradioscopicimagemaybeobtainedthroughmotion-picturerecording(cinefluorography),videorecording,orx201C;stillx201D;photographsusingconventionalcameras.Theradioscopicimagemaybeelectronicallyenhanced,digitized,orotherwiseprocessedforimprovedvisualimageanalysisorautomatic,computer-aidedanalysis,orboth.1.1Thisguideisfortutorialpurposesonlyandtooutlinethegeneralprinciplesofradioscopicimaging.1.2Thisguidedescribespracticesandimagequalitymeasuringsystemsforreal-time,andnearreal-time,nonfilmdetection,display,andrecordingofradioscopicimages.Theseimages,usedinmaterialsexamination,aregeneratedbypenetratingradiationpassingthroughthesubjectmaterialandproducinganimageonthedetectingmedium.AlthoughthedescribedradiationsourcesarespecificallyX-rayandgamma-ray,thegeneralconceptscanbeusedforotherradiationsourcessuchasneutrons.Theimagedetectionanddisplaytechniquesarenonfilm,buttheuseofphotographicfilmasameansforpermanentrecordingoftheimageisnotprecluded.Note18212;Forinformationpurposes,refertoTerminologyE1316.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetyprecautionarystatements,seeSection6.
【中国标准分类号】:N78
【国际标准分类号】:19_100
【页数】:20P.;A4
【正文语种】:英语