ASTM D6378-2007e1 测定石油产品、烃和烃氧化剂混合物蒸气压力(VPX)的标准试验方法(三级膨胀法)
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【英文标准名称】:StandardTestMethodforDeterminationofVaporPressure(VPX)ofPetroleumProducts,Hydrocarbons,andHydrocarbon-OxygenateMixtures(TripleExpansionMethod)
【原文标准名称】:测定石油产品、烃和烃氧化剂混合物蒸气压力(VPX)的标准试验方法(三级膨胀法)
【标准号】:ASTMD6378-2007e1
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D02.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:汽油;烃混合物;石油产品;测试;蒸气压力
【英文主题词】:dryvaporpressure;gasoline;hydrocarbon-oxygenateblends;minimethod;petroleumproducts;vaporpressure;variablevolumemethod;
【摘要】:Vaporpressureisaveryimportantphysicalpropertyofvolatileliquidsforshippingandstorage.Thevaporpressureofgasolineandgasoline-oxygenateblendsisregulatedbyvariousgovernmentagencies.Specificationsforvolatilepetroleumproductsgenerallyincludevaporpressurelimitstoensureproductsofsuitablevolatilityperformance.Inthistestmethod,anairsaturationprocedurepriortothemeasurementisnotrequired,thuseliminatinglossesofhighvolatilecompoundsduringthisstep.Thistestmethodisfasterandminimizespotentialerrorsfromimproperairsaturation.ThistestmethodpermitsVPXdeterminationsinthefield.Thistestmethodcanbeappliedinonlineapplicationsinwhichanairsaturationprocedurepriortothemeasurementcannotbeperformed.1.1Thistestmethodcoverstheuseofautomatedvaporpressureinstrumentstodeterminethevaporpressureexertedinvacuumbyvolatile,liquidpetroleumproducts,hydrocarbons,andhydrocarbon-oxygenatemixtures.Thistestmethodissuitablefortestingsampleswithboilingpointsabove0176;C(32176;F)thatexertavaporpressurebetween7and150kPa(1.0and21psi)at37.8176;C(100176;F)atavapor-to-liquidratioof4:1.Theliquidsamplevolumesizerequiredforanalysisisdependentuponthevapor-to-liquidratiochosen(seeNote1)andthemeasuringchambervolumecapacityoftheinstrument(see6.1.1andNote3).Note1Thetestmethodissuitableforthedeterminationofthevaporpressureofvolatile,liquidpetroleumproductsattemperaturesfrom0to100176;Catvaportoliquidratiosof4:1to1:1(X=4to1)andpressuresupto500kPa(70psi),buttheprecisionstatement(seeSection16)maynotbeapplicable.1.2Thevaporpressure(VPX)determinedbythistestmethodatavapor-liquidratioof4:1(X=4)ofgasolineandgasoline-oxygenateblendsat37.8176;Ccanbecorrelatedtothedryvaporpressureequivalent(DVPE)valuedeterminedbyTestMethodD5191(see16.2).1.3&si-value;Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see7.2-7.8.
【中国标准分类号】:E30
【国际标准分类号】:75_080;75_080;75_080
【页数】:14P.;A4
【正文语种】:
【英文标准名称】:Materialsandarticlesincontactwithfoodstuffs.Cutleryandtableholloware.Requirementsforcutleryforthepreparationoffood
【原文标准名称】:与食品密切接触的材料和物品.餐具和桌上餐盘.食品制备用餐具的要求
【标准号】:BSENISO8442-1-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-02-15
【实施或试行日期】:1998-02-15
【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】:弯曲试验;刀片;公共饮食业设备;商业的;耐腐蚀材料;裂开;刀叉(餐具);切割装置;切削工具;切断作业;缺陷;定义(术语);挠曲试验;变形;跌落试验;食品制作工艺;食物加工器具;食品;餐叉;等级(质量);手柄;硬度;盘子;凹形餐具;家用设备;浸入试验;厨房用刀;厨房器具;刀;标签;作标记;材料;接触食品的材料;机械测试;金属;刮刀(炊具);性能;性能测试;塑料;准备;处理;拨拉试验;锅铲;规范;规范(验收);钢;灭菌;材料强度;餐桌用盘;餐具;试验设备;测试;测试条件;扭矩;扭转试验;使用
【英文主题词】:Bendtesting;Blades;Cateringequipment;Commercial;Corrosion-resistantmaterials;Cracking;Cutlery;Cuttingdevice;Cuttingtools;Cuttingwork;Defects;Definitions;Deflectiontests;Deformation;Droptests;Foodmanufacturingprocesses;Foodpreparationequipment;Foodproducts;Forks(cutlery);Grades(quality);Handles;Hardness;Holloware;Hollow-ware;Householdequipment;Immersiontests(corrosion);Kitchenknives;Kitchenutensils;Knives;Labels;Marking;Materials;Materialsincontactwithfood;Mechanicaltesting;Metals;Palletknives(kitchenutensils);Performance;Performancetesting;Plastics;Preparation;Processing;Pull-outtests;Spatulas;Specification;Specification(approval);Steels;Sterilization(hygiene);Strengthofmaterials;Tableholloware;Tableware;Testequipment;Testing;Testingconditions;Torque;Torsiontesting;Use
【摘要】:ThisPartofthisStandardspecifiesmaterialandperformancerequirementsandtestmethodsformetalcutleryandrelatedimplementsintendedforuseinthepreparationoffood.Twogradesofcutleryarespecified:-anormalgradewithcorrosionresistantbladesorprongscapableofwithstandingdishwashercleaningprocedures;-aspecialgradewithcorrosionresistantbladescapableofwithstandingdishwashercleaningproceduresandsterilizationprocesses.
【中国标准分类号】:Y69
【国际标准分类号】:67_250;97_040_60
【页数】:18P.;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology;telecommunicationsandinformationexchangebetweensystems;26-poleinterfaceconnectormateabilitydimensionsandcontactnumberassignments
【原文标准名称】:信息技术.系统间远程通信和信息交换.26插针接口连接器配合尺寸和插接件号分配
【标准号】:ISO/IEC11569-1993
【标准状态】:现行
【国别】:国际
【发布日期】:1993-09
【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/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:电信;信息技术;数据传送;数字标志;接线配置;电插头;接口(数据处理);数据处理;信息交换;尺寸
【英文主题词】:Connectionarrangements;Dataprocessing;Datatransfer;Dimensions;Electricplugs;Informationinterchange;Informationtechnology;Interfaces(dataprocessing);Numericaldesignations;Telecommunications
【摘要】:Specifiesa26-poleconnectorforuseattheinterfacebetweendataterminalequipmentanddatacircuitterminatingequipment.Isapplicablewherethefunctionalcharacteristicsoftheinterfaceconformto100SeriesdefinitionsinCCITTRecommendationV.24andtheelectricalcharacteristicsconformtoCCITTRecommendationsV.10,V.11,orV.28.Isnotapplicabletomodemsforparalleldatatransmission.AnnexAdescribesinteroperationwithotherinterfaces.
【中国标准分类号】:M11
【国际标准分类号】:35_200
【页数】:8P;A4
【正文语种】:英语