【英文标准名称】:PN10pistontypegatevalvesforuseindrinkingwatersupplysystems
【原文标准名称】:家用供水装系统的截流阀.PN10活塞式滑阀
【标准号】:DIN3500-1990
【标准状态】:作废
【国别】:德国
【发布日期】:1990-02
【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】:形状;给水;建筑物;阀门;饮用水;滑阀;活塞阀;截止阀;尺寸
【英文主题词】:buildings;dimensions;shape;stopvalves;potablewater;pistonvalves;shut-offvalves;slidevalves;watersupply;valves
【摘要】:ThestandardappliesinconjunctionwithDIN3546part1tostraightpatternpistontypegatevalveswithbonnetverticaltothepipeaxis,withorwithoutdrainwhichareusedasstopvalvesfordrinkingwatersuppliesonandinprivateproperty.#,,#
【中国标准分类号】:Q81;J16
【国际标准分类号】:91_140_60;23_060_30
【页数】:3P.;A4
【正文语种】:德语


【英文标准名称】:Copperandcopperalloys-Estimationofaveragegrainsize
【原文标准名称】:铜及铜合金.平均粒度估计
【标准号】:BSENISO2624-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-09-15
【实施或试行日期】:1995-09-15
【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】:粒度测量;估计;晶体微观结构;图表;报告;铜;粒度;铜合金
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesthreeproceduresforestimating,andrulesforexpressing,theaveragegrainsizeofcopperandcopperalloysconsistingprincipallyofasinglephase.Therespectiveproceduresaretermedthecomparisonprocedure,theinterceptprocedureandtheplanimetricpro-cedure.Thecomparisonprocedure(comparingthespecimenwithastandardchart)ismostconvenientandissufficientlyaccurateformostcommercialpurposes.Higherdegreeesofaccuracyinestimatinggrainsizeareob-tainablebyusingtheintercept(Heyn)orplanimetric(Jeffries)procedures.Incasesofdispute,itisrecommendedthattheuseofoneoftheseproceduresbeagreedbetweentheparties.Formaterialwithnon-equiaxialstructuresitisrecommendedthattheinterceptprocedurebeused.
【中国标准分类号】:H62
【国际标准分类号】:77_120_30
【页数】:16P;A4
【正文语种】:英语