MIL-S-43860D
作者:标准资料网 时间:2024-05-06 01:54:04 浏览:9097
来源:标准资料网
MIL-S-43860D, MILITARY SPECIFICATION: SHOES, ELECTRICAL HAZARDS PROTECTIVE, HIGH, MEN'S (31 MAY 1990)., This specification covers men's high black safety electrical hazard protective shoes with traction tread soles and heels, and steel box-toes.
【英文标准名称】:StandardTestMethodforDeterminationofAsphaltenes(HeptaneInsolubles)inCrudePetroleumandPetroleumProducts
【原文标准名称】:原油和石油产品中沥青质(庚烷不溶物)测定的标准试验方法
【标准号】:ASTMD6560-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D02.14
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:asphaltenes;bitumen;crudepetroleum;dieselfuel;gasoil;heptaneinsolubleresidues;lubricatingoil;residualfueloils
【摘要】:Asphaltenesaretheorganicmoleculesofhighestmolecularmassandcarbon-hydrogenrationormallyoccurringincrudepetroleumandpetroleumproductscontainingresidualmaterial.Theymaygiveproblemsduringstorageandhandlingifthesuspensionofasphaltenemoleculesisdisturbedthroughexcessstressorincompatibility.Theyarealsothelastmoleculesinaproducttocombustcompletely,andthusmaybeoneindicatorofblacksmokepropensity.Theircompositionnormallyincludesadisproportionatelyhighquantityofthesulfur,nitrogen,andmetalspresentinthecrudepetroleumorpetroleumproduct.1.1Thistestmethodcoversaprocedureforthedeterminationoftheheptaneinsolubleasphaltenecontentofgasoil,dieselfuel,residualfueloils,lubricatingoil,bitumen,andcrudepetroleumthathasbeentoppedtoanoiltemperatureof260716;C(see).1.2Theprecisionisapplicabletovaluesbetween0.50and30.0%m/m.Valuesoutsidethisrangemaystillbevalidbutmaynotgivethesameprecisionvalues.1.3Oilscontainingadditivesmaygiveerroneousresults.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.5Thisannexcoversaprocedureforthepreparationofacrudepetroleumresidue(toppedtoanoiltemperatureof260C)suitableforthedeterminationofasphaltenecontent(see).
【中国标准分类号】:E43
【国际标准分类号】:75_080
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:Earth-movingmachinery;seatindexpoint;amendment1
【原文标准名称】:第1次修改
【标准号】:ISO5353AMD1-1981
【标准状态】:作废
【国别】:国际
【发布日期】:1981-05
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC127
【标准类型】:()
【标准水平】:()
【中文主题词】:座椅;土方机械;人类工效学;驾驶员座椅;座姿标准点
【英文主题词】:ergonomics;earthmovingequipment;earth-movingequipment;seats;driverseats;seatindexpoint;seating
【摘要】:
【中国标准分类号】:P95
【国际标准分类号】:3685
【页数】:1P;A4
【正文语种】:英语
