您的位置: 标准下载 » 国内标准 » 行业标准 »

HG/T 3139.9-2001 釜用立式减速机 P系列带传动减速机

时间:2024-05-13 04:15:41 来源: 标准资料网 作者:标准资料网 阅读:8443
下载地址: 点击此处下载
基本信息
标准名称:釜用立式减速机 P系列带传动减速机
英文名称:Vertical reducer for tank Series P belt--driving reducer
中标分类: 化工 >> 化工机械与设备 >> 化工机械
ICS分类: 化工技术 >> 化工设备 >> 反应容器及其组件
替代情况:HG/T 3142-1978
发布日期:2002-01-24
实施日期:2002-07-01
首发日期:1900-01-01
作废日期:1900-01-01
归口单位:全国滚动轴承标委会
出版日期:1900-01-01
页数:8页
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 化工 化工机械与设备 化工机械 化工技术 化工设备 反应容器及其组件
【英文标准名称】:StandardPracticeforTestingThermalConductivityDetectorsUsedinGasChromatography
【原文标准名称】:气相色谱法中使用的导热探测器测试的标准实施规范
【标准号】:ASTME516-1995a(2005)
【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】:E13.19
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:分析方法;试验;气相色谱法;探测器;导热性;色谱法
【英文主题词】:flameionizationdetector(FID);flamephotometricdetectors(FPD);gaschromatography(GC);packedcolumns;supercriticalfluidchromatography;thermalconductivitydetectors
【摘要】:Althoughitispossibletoobserveandmeasureeachoftheseveralcharacteristicsofadetectorunderdifferentanduniqueconditions,itistheintentofthispracticethatacompletesetofdetectorspecificationsshouldbeobtainedatthesameoperatingconditions.Itshouldbenotedalsothattospecifyadetectorrsquo;capabilitycompletely,itsperformanceshouldbemeasuredatseveralsetsofconditionswithintheusefulrangeofthedetector.Thetermsandtestsdescribedinthispracticearesufficientlygeneralsothattheymaybeusedatwhateverconditionsmaybechosenforotherreasons.Linearityandspeedofresponseoftherecorderusedshouldbesuchthatitdoesnotdistortorotherwiseinterferewiththeperformanceofthedetector.Effectiverecorderresponse,Refs.(5,6)inparticular,shouldbesufficientlyfastthatitcanbeneglectedinsensitivityofmeasurements.Ifadditionalamplifiersareusedbetweenthedetectorandthefinalreadoutdevice,theircharacteristicsshouldalsofirstbeestablished.1.1Thispracticeisintendedtoserveasaguideforthetestingoftheperformanceofathermalconductivitydetector(TCD)usedasthedetectioncomponentofagaschromatographicsystem.1.2Thispracticeisdirectlyapplicabletothermalconductivitydetectorswhichemployfilament(hotwire)orthermistorsensingelements.1.3Thispracticeisintendedtodescribetheperformanceofthedetectoritselfindependentlyofthechromatographiccolumn,intermswhichtheanalystcanusetopredictoverallsystemperformancewhenthedetectoriscoupledtothecolumnandotherchromatographysystemcomponents.1.4Forgeneralgaschromatographicprocedures,PracticeE260shouldbefollowedexceptwherespecificchangesarerecommendedhereinfortheuseofaTCD.FordefinitionsofgaschromatographyanditsvarioustermsseePracticeE355.1.5Forgeneralinformationconcerningtheprinciples,construction,andoperationofTCDseeRefs.().1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetyinformation,seeSection4.
【中国标准分类号】:N11
【国际标准分类号】:71_040_50
【页数】:10P.;A4
【正文语种】: