【英文标准名称】:Paperandboard-Officeboard-Requirements,testmethods
【原文标准名称】:纸和纸板.办公纸板的要求和试验方法
【标准号】:DIN6737-2002
【标准状态】:现行
【国别】:德国
【发布日期】:2002-11
【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】:办公系统;空白格式;索引卡片;纸板箱;文件类(卷宗);文件夹;文件夹封皮;纸;纸制品;纸板;办公室设备;名称与符号;特性;定义;规范(验收);试验
【英文主题词】:designations;cartons;document-files;filecovers;blankforms;folders(files);definitions;officesystem;definition;properties;indexcards;specification(approval);testing;paperproducts;paper;officeequ
【摘要】:
【中国标准分类号】:Y31
【国际标准分类号】:85_080_10
【页数】:4P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodsforDeterminingSedimentConcentrationinWaterSamples
【原文标准名称】:水样品中悬浮沉积浓缩物的标准试验方法
【标准号】:ASTMD3977-1997(2007)
【标准状态】:现行
【国别】:
【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】:D19.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:河流沉积;沉积物浓缩;沉淀物
【英文主题词】:fluvialsediment;sediment;sedimentconcentration
【摘要】:Suspended-sedimentsamplescontainparticleswithawidevarietyofphysicalcharacteristics.Bypresentingalternateapproaches,thesetestmethodsallowlatitudeinselectinganalysismethodsthatworkbestwiththeparticularsamplesunderstudy.Sediment-concentrationdataareusedformanypurposesthatinclude:(1)computingsuspended-sedimentdischargesofstreamsorsedimentyieldsofwatersheds,(2)schedulingtreatmentsofindustrialanddomesticwatersupplies,and(3)estimatingdischargesofpesticides,plantnutrients,andheavymetalstransportedonsurfacesorinsidesedimentparticles.1.1Thesetestmethodscoverthedeterminationofsedimentconcentrationsinwaterandwastewatersamplescollectedfromlakes,reservoirs,ponds,streams,andotherwaterbodies.Inlakesandotherquiescent-waterbodies,concentrationsofsedimentinsamplesarenearlyequaltoconcentrationsatsamplingpoints;inmostinstances,sampleconcentrationsarenotstronglyinfluencedbycollectiontechniques.Inriversandotherflowing-waterbodies,concentrationsofsedimentinsamplesdependuponthemannerinwhichthesamplesarecollected.Concentrationsinisokinetically-collectedsamplescanbemultipliedbywaterdischargestoobtainsedimentdischargesinthevicinityofthesamplingpoints.1.2TheproceduresgiveninthesetestmethodsareusedbytheAgriculturalResearchService,GeologicalSurvey,NationalResourcesConservationService,BureauofReclamation,andotheragenciesresponsibleforstudyingwaterbodies.Thesetestmethodsareadaptedfromalaboratory-proceduremanualandaquality-assuranceplan.1.3Thesetestmethodsinclude:SectionsTestMethodA-Evaporation8to13TestMethodB-Filtration14to19TestMethodC-Wet-sieving-filtration20to25