热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

ASTM D6171-1997(2010) 地下水模型规程文件化的标准指南

作者:标准资料网 时间:2024-05-12 08:23:24  浏览:8912   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardGuideforDocumentingaGround-WaterModelingCode
【原文标准名称】:地下水模型规程文件化的标准指南
【标准号】:ASTMD6171-1997(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【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】:
【英文主题词】:computercode;documentation;ground-watermodeling;Codedevelopment;Computermodel;Documents/documentation--waterapplications;Fieldinvestigations;Ground-watermodel;Software--groundwateranalysisapplications
【摘要】:Ground-watermodelinghasbecomeanimportantmethodologyinsupportoftheplanninganddecision-makingprocessesinvolvedinground-watermanagement.Ground-watermodelsprovideananalyticalframeworkforobtaininganunderstandingofthemechanismsandcontrolsofground-watersystemsandtheprocessesthatinfluencetheirquality,especiallythosecausedbyhumaninterventioninsuchsystems.Increasingly,modelsareanintegralpartofwaterresourcesassessment,protection,andrestorationstudiesandprovideessentialandcost-effectivesupportforplanningandscreeningofalternativepolicies,regulations,andengineeringdesignsaffectingground-water(1).Successfulground-watermanagementrequiresthatdecisionsbebasedontheuseoftechnicallyandscientificallysoundmethodsfordatacollection,informationprocessing,andinterpretation,andthatthesemethodsareproperlyintegrated.Ascomputercodesareessentialbuildingblocksofmodeling-basedmanagement,itiscrucialthatbeforesuchcodesareusedasplanninganddecision-makingtools,theirperformancecharacteristicsareestablishedandtheirtheoreticalfoundation,capabilities,andusedocumented.Goodcodedocumentationensuresscientificrigorandimplementationalqualityinthedevelopmentofacode(2).Completeandwell-writtendocumentationshortensthelearningcurvefornewusers,providesanswerstoquestionsfromprojectmanagers,andsupportsefficientcodeselection.Well-structuredandindexeddocumentationprovidesrapidanswersforinitiatedusers.Thisguideisintendedtoencouragecomprehensiveandconsistentdocumentationofaground-watermodelingcode.Earliersurveysofcomputermodelsandassessmentofspecificmodelsindicatethatthedocumentsthataresupposedtodescribeandexplainthesemodelsandtheirusearelackingindetail,inconsistentintheircontents,incompletewithrespecttouserinstructions,inefficientwithrespecttoindexingandstructure,andoftendifficulttoobtain(3).Thisstillappliestothedocumentationofmanyoftheground-watermodelingprogramsrecentlyreleasedorfrequentlyused(4).1.1Thisguidecoverssuggestedcomponentsofthedocumentationofaground-watermodelingcode.Documentationofaground-watermodelingcodeconsistsoftextualandgraphicalinformationrecordedduringitsdesign,development,andmaintenanceregardingitscapabilities,developmenthistory,theoreticalfoundation,operation,andverification.Itistheprincipalinstrumentforthoseinvolvedinitsdevelopmentanduse,suchascodedevelopmentandmaintenancestaff,networkmanagers,codeusers,andprojectmanagers,tocommunicateregardingallaspectsofthesoftware.1.2Thisguidepresentsthemajorstepsinpreparingthedocumentationofaground-watermodelingcode.Itdiscussesthevariousdocumentationaudiencesandaddressestheroleofprinteddocumentationversusdocumentationinelectronicform.1.3Thisguideisoneofaseriesofguidesonground-watermodelingcodesandtheirapplications,suchasGuidesD5447,D5490,D5609,D5610,D5611,andD5718.1.4Thisguideisnotintendedtobeallinclusive.Ifoffersaseriesofoptionsandconsiderations,but......
【中国标准分类号】:D14
【国际标准分类号】:35_080
【页数】:4P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Playingfieldequipment-Basketballequipment-Functionalandsafetyrequirements,testmethods.
【原文标准名称】:运动场器材.篮球器材.功能和安全要求、试验方法
【标准号】:NFS52-373/A1-2001
【标准状态】:作废
【国别】:法国
【发布日期】:2001-04-01
【实施或试行日期】:2001-04-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Y55
【国际标准分类号】:97_220_30
【页数】:8P;A4
【正文语种】:其他


【英文标准名称】:Materialsandarticlesincontactwithfoodstuffs.Plasticssubstancessubjecttolimitation.Guidetothetestmethodsforthespecificmigrationofsubstancesfromplasticsintofoodandfoodsimulantsandthedeterminationofsubstancesinplasticsand
【原文标准名称】:与食品接触的材料和物品.限制使用的塑料材料.由塑料转移至食品和食品模拟物的特定转移的试验方法指南及塑料中物质的测定和暴露于食品模拟物的条件选择
【标准号】:DDENV13130-1-1999
【标准状态】:作废
【国别】:英国
【发布日期】:1999-06-15
【实施或试行日期】:1999-06-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:选择;塑料;容器;含量测定;食品技术;合格;高压试验;体积;接触食品的材料;浸入试验;抽样方法;试验条件;食品检验;温度;包装材料;模拟;有毒物质;试验设备;污染物测定(食品);污染物;形状;迁移(化学);优先尺寸;化学分析和试验;试样制备;高温试验;试样;试验持续时间
【英文主题词】:testequipment;selection;shape;chemicalanalysisandtesting;temperature;determinationofcontent;testduration;testspecimens;immersiontests(corrosion);plastics;containers;migration(chemical);contaminantdetermination(food);high-pressuretests;conformity;foodtesting;samplingmethods;specimenpreparation;contaminants;materialsincontactwithfood;testingconditions;high-temperaturetesting;simulation;preferredsizes;packagingmaterials;volume;toxicmaterials;foodtechnology
【摘要】:
【中国标准分类号】:X08;G31
【国际标准分类号】:67_250
【页数】:44P.;A4
【正文语种】:英语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1