GB 10997-1989 静电复印机抽样检查方法
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基本信息
| 标准名称： | 静电复印机抽样检查方法 |
| 中标分类： | 仪器、仪表 >> 电影、照相、缩微、复印设备 >> 缩微复印机械 |
| 替代情况： | 调整为JB/T 8269-1995 |
| 发布日期： | |
| 实施日期： | 1990-01-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 7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： 仪器 仪表 电影 照相 缩微 复印设备 缩微复印机械
下载地址: 点击此处下载
【英文标准名称】:StandardGuideforSimulationofSubsurfaceAirflowUsingGround-WaterFlowModelingCodes
【原文标准名称】:用地下水流动模型代码模拟地下空气流动标准导则
【标准号】:ASTMD5719-1995(2006)
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:空气流动;模型;指南;地下水;地下用;水流模式代码;水流模式代码;水类型;计算机类型;地下的;模式;土壤消除;土中空气流动;模拟
【英文主题词】:airflow;computermodel;groundwater;simulation;soilventing
【摘要】:Theuseofvaporextractionsystems(VES),alsocalledsoilvaporextraction(SVE)orventingsystems,isbecomingacommonremedialtechnologyapplicabletositescontaminatedwithvolatilecompounds(3,4).Avaporextractionsystemiscomposedofwellsortrenchesscreenedwithinthevadosezone.Airisextractedfromthesewellstoremoveorganiccompoundsthatreadilypartitionbetweensolidorliquidphasesintothegasphase.Thevolatilecontaminantsareremovedinthegasphaseandtreatedordischargedtotheatmosphere.Inmanycases,thevaporextractionsystemalsoincorporateswellsopentotheatmospherethatactasairinjectionwells.Note18212;Fewmodelcodesareavailablethatallowsimulationofthemovementofair,water,andnonaqueousliquidsthroughthesubsurface.Thosemodelcodesthatareavailable(5,6),requireinordinatecomputehardware,arecomplicatedtouse,andrequirecollectionoffielddatathatmaybedifficultorexpensivetoobtain.Inthefuture,ascomputercapabilitiesexpand,thismaynotbeasignificantproblem.Today,however,thesecomplexmodelsarenotappliedroutinelytothedesignofvaporextractionsystems.Thisguidepresentsapproximatemethodstoefficientlysimulatethemovementofairthroughthevadosezone.Thesemethodsneglectthepresenceofwaterandotherliquidsinthevadosezone;however,thesetechniquesaremucheasiertoapplyandrequiresignificantlylesscomputerhardwarethanmorerobustnumericalmodels.Thisguideshouldbeusedbyground-watermodelerstoapproximatelysimulatethemovementofairinthevadosezone.Useofthisguidetosimulatesubsurfaceairmovementdoesnotguaranteethattheairflowmodelisvalid.Thisguidesimplydescribesmathematicaltechniquesforsimulatingsubsurfaceairmovementwithground-watermodelingcodes.Aswithanymodelingstudy,themodelermusthaveathoroughunderstandingofsiteconditionswithsupportingdatainordertoproperlyapplythetechniquespresentedinthisguide.1.1Thisguidecoverstheuseofaground-waterflowmodelingcodetosimulatethemovementofairinthesubsurface.Thisapproximationispossiblebecausetheformoftheground-waterflowequationsaresimilarinformtoairflowequations.Approximatemethodsarepresentedthatallowthevariablesintheairflowequationstobereplacedwithequivalenttermsintheground-waterflowequations.Themodeloutputisthentransformedbacktoairflowterms.1.2Thisguideillustratesthemajorstepstotakeindevelopinganairflowmodelusinganexistingground-waterflowmodelingcode.Thisguidedoesnotrecommendtheuseofaparticularmodelcode.Mostground-waterflowmodelingcodescanbeutilized,becausethetechniquesdescribedinthisguiderequiremodificationtomodelinputandnottothecode.1.3Thisguideisnotintendedtobeallinclusive.Othersimilartechniquesmaybeapplicabletoairflowmodeling,aswellasmorecomplexvariablysaturatedground-waterflowmodelingcodes.Thisguidedoesnotprecludetheuseofothertechniques,butpresentstechniquesthatcanbeeasilyappliedusingexistingground-waterflowmodelingcodes.1.4Thisguideisoneofaseriesofstandardsonground-watermodelapplications,includingGuidesD5447andD5490.ThisguideshouldbeusedinconjunctionwithGuideD5447.Otherstandardshavebeenpreparedonenvironmentalmodeling,suchasPracticeE978.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisst......
【中国标准分类号】:P13
【国际标准分类号】:13_060_10;13_080_01
【页数】:5P.;A4
【正文语种】:
【原文标准名称】:用地下水流动模型代码模拟地下空气流动标准导则
【标准号】:ASTMD5719-1995(2006)
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:空气流动;模型;指南;地下水;地下用;水流模式代码;水流模式代码;水类型;计算机类型;地下的;模式;土壤消除;土中空气流动;模拟
【英文主题词】:airflow;computermodel;groundwater;simulation;soilventing
【摘要】:Theuseofvaporextractionsystems(VES),alsocalledsoilvaporextraction(SVE)orventingsystems,isbecomingacommonremedialtechnologyapplicabletositescontaminatedwithvolatilecompounds(3,4).Avaporextractionsystemiscomposedofwellsortrenchesscreenedwithinthevadosezone.Airisextractedfromthesewellstoremoveorganiccompoundsthatreadilypartitionbetweensolidorliquidphasesintothegasphase.Thevolatilecontaminantsareremovedinthegasphaseandtreatedordischargedtotheatmosphere.Inmanycases,thevaporextractionsystemalsoincorporateswellsopentotheatmospherethatactasairinjectionwells.Note18212;Fewmodelcodesareavailablethatallowsimulationofthemovementofair,water,andnonaqueousliquidsthroughthesubsurface.Thosemodelcodesthatareavailable(5,6),requireinordinatecomputehardware,arecomplicatedtouse,andrequirecollectionoffielddatathatmaybedifficultorexpensivetoobtain.Inthefuture,ascomputercapabilitiesexpand,thismaynotbeasignificantproblem.Today,however,thesecomplexmodelsarenotappliedroutinelytothedesignofvaporextractionsystems.Thisguidepresentsapproximatemethodstoefficientlysimulatethemovementofairthroughthevadosezone.Thesemethodsneglectthepresenceofwaterandotherliquidsinthevadosezone;however,thesetechniquesaremucheasiertoapplyandrequiresignificantlylesscomputerhardwarethanmorerobustnumericalmodels.Thisguideshouldbeusedbyground-watermodelerstoapproximatelysimulatethemovementofairinthevadosezone.Useofthisguidetosimulatesubsurfaceairmovementdoesnotguaranteethattheairflowmodelisvalid.Thisguidesimplydescribesmathematicaltechniquesforsimulatingsubsurfaceairmovementwithground-watermodelingcodes.Aswithanymodelingstudy,themodelermusthaveathoroughunderstandingofsiteconditionswithsupportingdatainordertoproperlyapplythetechniquespresentedinthisguide.1.1Thisguidecoverstheuseofaground-waterflowmodelingcodetosimulatethemovementofairinthesubsurface.Thisapproximationispossiblebecausetheformoftheground-waterflowequationsaresimilarinformtoairflowequations.Approximatemethodsarepresentedthatallowthevariablesintheairflowequationstobereplacedwithequivalenttermsintheground-waterflowequations.Themodeloutputisthentransformedbacktoairflowterms.1.2Thisguideillustratesthemajorstepstotakeindevelopinganairflowmodelusinganexistingground-waterflowmodelingcode.Thisguidedoesnotrecommendtheuseofaparticularmodelcode.Mostground-waterflowmodelingcodescanbeutilized,becausethetechniquesdescribedinthisguiderequiremodificationtomodelinputandnottothecode.1.3Thisguideisnotintendedtobeallinclusive.Othersimilartechniquesmaybeapplicabletoairflowmodeling,aswellasmorecomplexvariablysaturatedground-waterflowmodelingcodes.Thisguidedoesnotprecludetheuseofothertechniques,butpresentstechniquesthatcanbeeasilyappliedusingexistingground-waterflowmodelingcodes.1.4Thisguideisoneofaseriesofstandardsonground-watermodelapplications,includingGuidesD5447andD5490.ThisguideshouldbeusedinconjunctionwithGuideD5447.Otherstandardshavebeenpreparedonenvironmentalmodeling,suchasPracticeE978.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisst......
【中国标准分类号】:P13
【国际标准分类号】:13_060_10;13_080_01
【页数】:5P.;A4
【正文语种】:
基本信息
| 标准名称： | 皮革伸展定型试验方法 |
| 中标分类： | 轻工、文化与生活用品 >> 皮革加工与制品 >> 皮革加工与制品综合 |
| 发布部门： | 中华人民共和国轻工业部 |
| 发布日期： | 1993-07-29 |
| 实施日期： | 1994-03-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 提出单位： | 轻工业部质量标准司 |
| 归口单位： | 全国毛皮制革标准化中心 |
| 起草单位： | 轻工业部毛皮制革工业科学研究所 |
| 起草人： | 陈应元、刘海燕 |
| 出版社： | 中国轻工业出版社 |
| 出版日期： | 1994-03-01 |
| 页数： | 3页 |
适用范围
本标准规定了皮革在规定状态下伸展定型的试验原理、试验仪器、试样制备、试验步骤及计算、试验报告。
本标准适用于所有鞋面革。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 轻工 文化与生活用品 皮革加工与制品 皮革加工与制品综合
