ASTM D3907-1992 微活性试验法测定流化床催化裂化催化剂的标准试验方法
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【英文标准名称】:StandardMethodforTestingFluidCatalyticCracking(FCC)CatalystsbyMicroactivityTest
【原文标准名称】:微活性试验法测定流化床催化裂化催化剂的标准试验方法
【标准号】:ASTMD3907-1992
【标准状态】:作废
【国别】:
【发布日期】:1992
【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】:D32.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:催化剂;试验;流化床裂化
【英文主题词】:Catalysts;Microactivitytest;Weightbalance(recovery);activityof(equilibrium/laboratory-deactivated)fluidcatalytic;cracking(FCC)catalysts,bymicroactivitytest;NumberCode71.040.30(Chemicalreagents)
【摘要】:1.1Thistestmethodcoversdeterminingtheactivityofequilibriumorlaboratory-deactivatedfluidcatalyticcracking(FCC)catalysts,orboth.Thisisevaluatedonthebasisofweightpercentconversionofgasoilinamicroactivityunit.Theselecti
【中国标准分类号】:G74
【国际标准分类号】:71_040_30
【页数】:3P.;A4
【正文语种】:
【英文标准名称】:StandardPracticeforStaticCalibrationofElectronicTransducer-BasedPressureMeasurementSystemsforGeotechnicalPurposes
【原文标准名称】:土工用电子传感器型压力测量系统静态校准标准规程
【标准号】:ASTMD5720-1995(2002)
【标准状态】:现行
【国别】:
【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(US-ASTM)
【起草单位】:D18.95
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:仪器测量;土工合成织物;规程;压力测量系统基础上;电子换能器;土工试验;岩石分析仪器;静态校准;压力;电子设备;流体压力计;压力试验;现场试验;测量仪器;压力传感器;图面;校准;土壤
【英文主题词】:calibration;electronicequipment;instrumentation;manometer;pressuregage;pressure-measuringinstrument;pressurestandard;pressuretransducer;sensor
【摘要】:Electronictransducer-basedpressuremeasurementsystemsmustbesubjectedtostaticcalibrationunderroomconditionstoensurereliableconversionfromsystemoutputtopressureduringuseinlaboratoryorinfieldapplications.Transducer-basedpressuremeasurementsystemsshouldbecalibratedbeforeinitialuseandatleastquarterlythereafterandafteranychangeintheelectronicormechanicalconfigurationofasystem.Transducer-basedpressuremeasurementsystemsshouldalsoberecalibratedifacomponentisdropped;overloaded;ifambienttestconditionschangesignificantly;orforanyothersignificantchangesinasystem.Staticcalibrationisnotappropriatefortransducerbasedsystemsusedunderoperatingenvironmentalconditionsinvolvingvibration,shock,oracceleration.1.1Thispracticecoverstheprocedureforstaticcalibrationofelectronictransducer-basedsystemsusedtomeasurefluidpressuresinlaboratoryorinfieldapplicationsassociatedwithgeotechnicaltesting.1.2Thispracticeisusedtodeterminetheaccuracyofelectronictransducer-basedpressuremeasurementsystemsoverthefullpressurerangeofthesystemoroveraspecifiedoperatingpressurerangewithinthefullpressurerange.1.3Thispracticemayalsobeusedtodeterminearelationshipbetweenpressuretransducersystemoutputandappliedpressureforuseinconvertingfromonevaluetotheother(calibrationcurve).Thisrelationshipforelectronicpressuretransducersystemsisusuallylinearandmaybereducedtotheformofacalibrationfactororalinearcalibrationequation.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsinparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection7.
【中国标准分类号】:L15
【国际标准分类号】:17_100
【页数】:9P.;A4
【正文语种】:
【英文标准名称】:Slottedsetscrewswithflatpoint(ISO4766:2011);GermanversionENISO4766:2011
【原文标准名称】:开槽平端紧定螺钉(ISO4766-2011);德文版本ENISO4766-2011
【标准号】:ENISO4766-2011
【标准状态】:现行
【国别】:
【发布日期】:2011-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acceptancespecification;Chamferedends;Deliveryconditions;Design;Designations;Dimensions;Fasteners;Grubscrews;Materials;Pins(nails);Screws(bolts);Slots;Slottedscrews;Slotted-headfasteners;Specification(approval);Specifications;Surfaces;Threadforms;Threads;Tolerances(measurement);Truncatedcone;Weights
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:12P;A4
【正文语种】:英语
