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【英文标准名称】:StandardTestMethodforCloudPointofPetroleumProducts(ConstantCoolingRateMethod)
【原文标准名称】:石油产品浊点的标准试验方法(恒定冷却速率法)
【标准号】:ASTMD5773-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D02.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:automaticcloudpoint;cloudpoint;constantcoolingrate;Peltier;petroleumproducts;thermoelectric;waxcrystals;Cloudpoint;Constantcoolingratemethod;Coolingrate;Opticaldetectionsteppedcoolingmethod;Petroleumproducts
【摘要】:Thecloudpointofpetroleumproductsandbiodieselfuelsisanindexofthelowesttemperatureoftheirutilityforcertainapplications.Waxcrystalsofsufficientquantitycanplugfiltersusedinsomefuelsystems.Petroleumblendingoperationsrequireaprecisemeasurementofthecloudpoint.Thistestmethodcandeterminethetemperatureofthetestspecimenatwhichwaxcrystalshaveformedsufficientlytobeobservedasacloudwitharesolutionof0.1x00B0;C.ThistestmethodprovidesresultsthatareequivalenttoTestMethodD2500.Note18212;ThisisbasedontheTestMethodD2500equivalentcloudpointinwhichthe0.1x00B0;Cresultisroundedtothenextlowerinteger.ThistestmethoddeterminesthecloudpointinashorterperiodoftimethanTestMethodD2500.Note28212;Incasesofsampleswithcloudpointsnearambienttemperatures,timesavingsmaynotberealized.ThistestmethodeliminatesmostoftheoperatortimerequiredofTestMethodD2500.Thistestmethoddoesnotrequiretheuseofamechanicalrefrigerationapparatus.Note38212;Incertaincasesofhighambienttemperature,asourceofcoolingwatermayberequiredtomeasurelowtemperaturecloudpoints(see7.1).1.1Thistestmethodcoversthedeterminationofthecloudpointofpetroleumproductsandbiodieselfuelsthataretransparentinlayers40mminthicknessbyanautomaticinstrumentusingaconstantcoolingrate.1.2Thistestmethodcoverstherangeoftemperaturesfromx2212;60to+49x00B0;Cwithtemperatureresolutionof0.1x00B0;C,however,therangeoftemperaturesincludedinthe1997interlaboratorycooperativetestprogramonlycoveredthetemperaturerangeofx2013;56to+34x00B0;C.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_160_20
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:Householdandsimilarelectricalappliances.Safety.Particularrequirementsforcommercialelectricappliancesforkeepingfoodandcrockerywarm
【原文标准名称】:家用和类似用途电器.安全性.商用电烘干碗柜的详细要求
【标准号】:BSEN60335-2-49-2003+A11-2012
【标准状态】:现行
【国别】:英国
【发布日期】:2003-06-16
【实施或试行日期】:2003-06-16
【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】:餐厅厨房;给养设备;商业的;定义(术语);设计;家用的;家庭安全;接地线端子;电气器具;电缆线;电热器;电热碗厨;家用电器;(电网)电源;日用电器;电气工程;电气安全性;耐火性;防火安全性;加热;加热装置;家用设备;家用;工业经济;作标记;检验;仪器;厨房器具;标志;抗湿;操作;烘炉;保护(装置);防事故;防电击;安全性;安全性工程;安全性要求;规范(验收);材料强度;试验;热稳定性;贸易;使用
【英文主题词】:Canteenkitchen;Cateringequipment;Commercial;Definitions;Design;Domestic;Domesticsafety;Earthingconductorterminations;Electricappliances;Electriccables;Electricheatingappliances;Electrichotcupboards;Electrichouseholdappliance;Electricmains;Electricalappliances;Electricalengineering;Electricalsafety;Fireresistance;Firesafety;Heating;Heatingappliances;Householdequipment;Householduse;Industrialeconomics;Inscription;Inspection;Instruments;Kitchenutensils;Marking;Moistureresistance;Operation;Ovens;Protection;Protectionagainstaccidents;Protectionagainstelectricshocks;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Strengthofmaterials;Testing;Thermalstability;Trade;Use
【摘要】:
【中国标准分类号】:Y63
【国际标准分类号】:97_040_50
【页数】:34P;A4
【正文语种】:英语