HB 6208-1989 插头--锥管中式空气中加油系统 直角规范
作者:标准资料网 时间:2024-05-16 08:49:55 浏览:9464
来源:标准资料网
基本信息
标准名称: | 插头--锥管中式空气中加油系统 直角规范 |
中标分类: |
航空、航天 >>
航空器及其附件 >>
燃油系统及其附件 |
替代情况: | 可参见GJB 1398-1992 |
发布日期: | 1989-05-13 |
实施日期: | 1989-12-01 |
首发日期: | |
作废日期: | 1993-03-01 |
出版日期: | |
页数: | 18页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 航空 航天 航空器及其附件 燃油系统及其附件
【英文标准名称】:Mathematicalstructures;signs,symbolsandconcepts
【原文标准名称】:数学结构.标志、符号和概念
【标准号】:DIN13302-1978
【标准状态】:现行
【国别】:德国
【发布日期】:1978-06
【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】:组织;模数;数学;符号;定义
【英文主题词】:Definition;Definitions;Mathematics;Modules;Symbols;Texture
【摘要】:Mathematicalstructures;signs,symbolsandconcepts
【中国标准分类号】:A41
【国际标准分类号】:01_040_07;01_075;07_020
【页数】:29P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforMaximumMediaDensityforDeadLoadAnalysisofGreenRoofSystems
【原文标准名称】:新暴露顶层系统静荷载分析用最大介质密度的标准试验方法
【标准号】:ASTME2399-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:E60.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:分析;试验;屋顶系统;密度;屋顶;恒荷载;介质;新的
【英文主题词】:greenroof;maximumdensity;media;waterpermeability;waterretention
【摘要】:Thistestmethoddescribessimplelaboratorymethodsthatprovidereproduceablemeasurementsofcriticalmediaproperties,andpermitdirectcomparisonstobemadebetweendifferentmediamaterials.Thedensityofmixedmediamaterialswillvarydependingonthedegreetowhichtheyaresubjectedtocompactionandthelengthoftimethatthematerialisallowedtohydrateandsubsequentlydrain.Mostgreenroofmediamaterialshavealargecapacitytoabsorbandretainmoisture.Furthermore,moisturewilldraingraduallyfromthemediafollowingahydrationcycle.Themaximummediadensitymeasuredinthisprocedureapproachesthedensityatthetheoreticalsaturationpoint.Existingmethodsformeasuringthecapillary-moisturerelationshipforsoils(TestMethodD2325)relyonsamplepreparationprocedures(TestMethodsD698)thatarenotconsistentwiththeconditionsassociatedwiththeplacementofgreenroofmediamaterials.Thisprocedureisintendedtoprovideareproduciblelaboratoryprocedureforpredictingthemaximummediadensity,moisturecontent,andwaterpermeabilityunderconditionsthatmorecloselyreplicatefieldconditionsongreenroofs.Thevalueofthistestmethodtothegreenroofdesigneristhatitprovidesanobjectivemeasureofmaximumprobablemediadensity(underdrainedconditions)forestimatingstructuralloads.Italsoprovidesamethodforestimatingthelowerlimitforthewaterpermeabilityofthein-placemedia.Thislattervalueisimportantwhenconsideringdrainageconditionsingreenroofs.Finally,themaximummediawaterretentionhasbeenshowntobeausefulindicatorofthemoistureretentionpropertiesofgreenroofmedia.1.1Thistestmethodcoversaprocedurefordeterminingthemaximummediadensityforpurposesofestimatingthemaximumdeadloadforgreenroofassemblies.Themethodalsoprovidesameasureofthemoisturecontentandthewaterpermeabilitymeasuredatthemaximummediadensity.1.2Thisprocedureissuitableforgreenroofmediathatcontainnomorethan30%organicmaterialasmeasuredusingthelossonignitionprocedureTestMethodsF1647,MethodA.1.3Themaximummediadensityandassociatedmoisturecontentmeasuredinthisprocedureappliestodrainedconditionsnearthesaturationpoint.1.4Thetestmethodisintendedtoemulateverticalpercolationratesforwateringreenroofs.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P32
【国际标准分类号】:91_060_20
【页数】:4P.;A4
【正文语种】: