SAE AMS4484 Magnesium Alloy Castings, Permanent Mold 9.0a1 2.0zn Solution and Precipitation Heat Treated

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Product Code:SAE AMS4484
Title:Magnesium Alloy Castings, Permanent Mold 9.0a1 2.0zn Solution and Precipitation Heat Treated
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers a magnesium alloy in the form of permanent mold castings. These castings have been used typically for parts operating up to 300 degrees F (149 degrees C), but usage is not limited to such applications.
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【英文标准名称】:StandardPracticeforSamplingandTestingofPossibleCarbonBlackFugitiveEmissionsorOtherEnvironmentalParticulate,orBoth
【原文标准名称】:炭黑的可能易排放物或其他环境颗粒状物或二者都包括的取样和试验的标准实施规范
【标准号】:ASTMD6602-2003b(2010)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:D24.66
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Carbonblackdispersion;Carbonblacksampling;Environmentalmonitoring;Fugitiveemissions
【摘要】:Particulateemissionsaremajorcontributorstoaircontaminationinindustrialandurbanenvironments.Sootisformedasanunwantedby-productofcombustionandconsequentlyvarieswidelywiththetypeoffuelandcombustionconditions.Carbonblack,ontheotherhand,ispurposelyproducedunderacontrolledsetofconditions.Therefore,itisimportanttobeabletodistinguishcarbonblackfromsoot,aswellasotherenvironmentalcontaminants.1.1ThispracticecoverssamplingandtestingfordistinguishingASTMtypecarbonblack,intheN100toN900series,fromotherenvironmentalparticulates.1.2Thispracticerequiressomedegreeofexpertiseonthepartofthemicroscopist.Forthisreason,themicroscopistmusthaveadequatetrainingandsubstantialon-the-jobexperienceinidentifyingthemorphologicalparametersofcarbonblack.Insupportofthisanalysis,Donnet''sbookishighlyrecommendedtobeusedasatechnicalreferenceforrecognizingandunderstandingthemicrostructureofcarbonblack.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G49
【国际标准分类号】:
【页数】:22P.;A4
【正文语种】:英语


【英文标准名称】:Informationtechnology.Keyboardlayoutsfortextandofficesystems.Part2:alphanumericsection.
【原文标准名称】:信息技术.文本和办公系统用键盘设计.第2部分:字母数字部分
【标准号】:NFZ71-307-2-1996
【标准状态】:作废
【国别】:法国
【发布日期】:1996-12-01
【实施或试行日期】:1996-12-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Alphanumeric;Alphanumericcharactersets;Dataprocessing;Dataprocessingequipment;Datasystemsengineering;Germanlanguage;Graphiccharacters;Informationtechnology;Keypanelassignment;Keyboardlayout;Keyboards;Keys;Keys(keyboards);Layout;Officeequipment;Officemachines;Officesystem;Position;Specifications;Typewriters
【摘要】:
【中国标准分类号】:L63
【国际标准分类号】:35_180;35_260
【页数】:10P.;A4
【正文语种】:其他