热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

SAE J1748 Methods for Determining Physical Properties of Polymeric Materials Exposed to Gasoline/Oxygenate Fuel Mixture

作者:标准资料网 时间:2024-05-07 07:53:27  浏览:9458   来源:标准资料网
下载地址: 点击此处下载
Product Code:SAE J1748
Title:Methods for Determining Physical Properties of Polymeric Materials Exposed to Gasoline/Oxygenate Fuel Mixtures
Issuing Committee:Fuel Systems Standards Committee
Scope:This SAE Recommended Practice applies to determining worst-case fuel, conditioning test specimens in worst-case fuel(s) prior to testing, individual tests for properties of polymers exposed to methanol-gasoline fuel mixtures. The determination of equilibrium, as well as typical calculations are also covered.Polymers are used in applications which require exposure to a variety of fluid environments. Tests to determine the effects of such exposure on material properties are well established. However, the determination of the effects on polymers exposed to fuels of variable alcohol and ether content poses new problems. This document seeks to address those concerns by detailing changes to standard tests that make them suitable for that purpose.
下载地址: 点击此处下载
【英文标准名称】:Agriculturalirrigationequipment-Water-drivenchemicalinjectorpumps
【原文标准名称】:农业灌溉设备水驱动的化学制剂喷射泵
【标准号】:ISO13457-2000
【标准状态】:作废
【国别】:国际
【发布日期】:2000-05
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC23
【标准类型】:()
【标准水平】:()
【中文主题词】:农业;灌溉工程;农用设备;化学设备;灌溉;喷射泵;试验;定义;试验设备
【英文主题词】:Agriculturalequipment;Agriculture;Chemicalequipment;Definition;Definitions;Injectionpumps;Irrigation;Irrigationworks;Testequipment;Testing
【摘要】:ThisInternationalStandardspecifiesconstructionandoperationalrequirementsandtestmethodsforwater-drivenchemicalinjectorpumps,referredtohereinafteraswater-driveninjectorpumps.Thesewater-driveninjectorpumpsareusedtoinjectchemicalsintoirrigationsystems.Thechemicalsincludeliquidfertilisersandsolutionsoffertilisersandothersolubleagriculturalchemicalssuchasacids,pesticidesandherbicides.ThisInternationalStandardisapplicabletowater-driveninjectorpumpswhichareintendedtooperateatwatertemperaturesofupto50℃andwiththetypesandconcentrationsofchemicalsroutinelyappliedinirrigation.Itisnotapplicabletobackflowpreventiondevices(whicharenotanintegralpartofawater-driveninjectorpump),nortoVenturi-principlewater-drivendevicesforinjectingchemicalsintoanirrigationsystem.
【中国标准分类号】:B91
【国际标准分类号】:65_060_35
【页数】:12P;A4
【正文语种】:英语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1