DIN EN ISO 748-2008 液体比重测定法.用测流计或浮子测量明渠中液体流量

作者:标准资料网 时间:2024-05-09 05:17:01  浏览:8456   来源:标准资料网

【英文标准名称】:Hydrometry-Measurementofliquidflowinopenchannelsusingcurrent-metersorfloats(ISO748:2007);EnglishversionofDINENISO748:2008-02
【原文标准名称】:液体比重测定法.用测流计或浮子测量明渠中液体流量
【标准号】:DINENISO748-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:横截面积;浮子;流量测量;流量率;液体比重测定法;液体流动;数学计算;测量;测量仪器;测量点;明渠;流水;沾污试验;溪;表面;速度测量;流速;水流;水常规
【英文主题词】:Cross-sectionalarea;Floats;Flowmeasurement;Flowmeasurements;Flowrate;Hydrometry;Liquidflow;Mathematicalcalculations;Measurement;Measuringinstruments;Measuringpoints;Openchannels;Runningwaters;Staintests;Streams;Surfaces;Velocitymeasurement;Velocityofflow;Waterflows;Waterpractice
【摘要】:ThisInternationalStandardspecifiesmethodsfordeterminingthevelocityandcross-sectionalareaofwaterflowinginopenchannelswithouticecover,andforcomputingthedischargetherefrom.Itcoversmethodsofemployingcurrent-metersorfloatstomeasurethevelocities.Itshouldbenotedthatalthough,insomecases,thesemeasurementsareintendedtodeterminethestage-dischargerelationofagaugingstation,thisInternationalStandarddealsonlywithsinglemeasurementsofthedischarge;thecontinuousrecordingofdischargesoveraperiodoftimeiscoveredinISO1100-1andISO1100-2.NOTEThemethodsfordeterminingthevelocityandcross-sectionalareaofwaterflowinginopenchannelswithicecoverarespecifiedinISO9196.
【中国标准分类号】:A42
【国际标准分类号】:17_120_20
【页数】:52P.;A4
【正文语种】:英语