【英文标准名称】:Soilquality-Classificationofthenutrientsupplyconditionsofsoil
【原文标准名称】:土壤质量.土壤的营养供给条件的分类
【标准号】:DIN19707-2004
【标准状态】:现行
【国别】:德国
【发布日期】:2004-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:水力(利)工程;土壤普查;土壤;定义;水常规;土壤组分;磷;分类;保水与水流工程;农业;钾;氮;地球科学;土壤水;营养;评定
【英文主题词】:waterretentionandflowworks;nitrogen;hydraulicengineering;soilwater;compositionoftheground;soils;soilsurveys;potassium;definitions;agriculture;definition;evaluations;phosphorus;waterpractice
【摘要】:Thisstandardspecifiesamethodfortheclassificationofsoilsaccordingtonutrientsupplyneeds.
【中国标准分类号】:B11
【国际标准分类号】:13_080_99
【页数】:13P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforWaterMigrationinHoneycombCoreMaterials
【原文标准名称】:蜂窝状中心材料中水分迁移的标准试验方法
【标准号】:ASTMF1645/F1645M-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:D30.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:core;honeycomb;sandwich;watermigration
【摘要】:Waterpermeabilityisafundamentalphysicalpropertythatcanbeusedinconjunctionwithotherpropertiestocharacterizehoneycombsandwichcorematerials.Migrationtestingcanbeusedtocharacterizeandcomparetherelativepermeabilityofhoneycombcorematerialstowater.Thistestmethodprovidesastandardmethodofcharacterizingtherateofwatermigrationwithinhoneycombsandwichcorematerialsfordesignproperties,materialspecifications,researchanddevelopmentapplications,andqualityassurance.Factorsthatinfluencewatermigrationratecharacteristicsofhoneycombsandwichcorematerialsandshallthereforebereportedincludethefollowing:corematerial,methodsofmaterialfabrication,coregeometry(cellsize),corethickness,corethicknessuniformity,cellwallthickness,specimengeometry,specimenpreparation,specimenconditioning,facingmaterial,facingpermeability,adhesivepermeability,adhesivethickness,andmethodsofmass,volume,andwatercolumnheightmeasurement.1.1Thistestmethodcoversthedeterminationofwatermigrationinhoneycombcorematerials.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q10
【国际标准分类号】:91_100_99
【页数】:2P.;A4
【正文语种】:英语