MIL-L-43575A
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MIL-L-43575A, MILITARY SPECIFICATION, LAUNDRY PRESS, COMMERCIAL, CABINET TYPE, SINGLE LAY, AND CABINET, DRYING, FOR WASHABLE TROUSERS (1 JUN 1970)., This specification covers a cabinet type laundry press which will press washable trousers, with a crease in the front and back of the legs in one lay, and a drying cabinet to completely dry trousers.
【英文标准名称】:StandardTestMethodforDeterminingFilteringEfficiencyandFlowRateoftheFiltrationComponentofaSedimentRetentionDeviceUsingSite-SpecificSoil
【原文标准名称】:使用特定场地土壤测定拦沙设备过滤部件的筛选效率和流动率的标准试验方法
【标准号】:ASTMD5141-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D35.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:filteringefficiency;flowrate;sedimentretentiondevice;siltbarrier;siltfence;Filtrationperformance;Flowandflowrate--soil/rock/relatedmaterials;Geosynthetics;Siltfencematerials;Soil
【摘要】:Thistestmethodisusedtodeterminethefilteringefficiencyandflowrateofthefiltrationcomponentofasedimentretentiondevice,suchasasiltfence,asiltbarrier,orasiltcurtain,forspecificsoilconditions.Thistestmethodmaybeusedforthedesignofthefiltrationcomponentofasedimentretentiondevicetomeetrequirementsofregulatoryagenciesinfilteringefficiencyorflowrateforspecificsoilconditions.Thedesignercanusethistestmethodtodeterminethespacingbetweensedimentretentiondevices.Thistestmethodisintendedforperformanceevaluation,astheresultswilldependonthespecificsoilevaluated.Itisrecommendedthattheuserorrepresentativeperformthetesttopre-approvedproducts,assedimentretentiondevicemanufacturersarenottypicallyequippedtohandleortestsoilrequirements.Thistestmethodprovidesameansofevaluatingthefiltrationcomponentofsedimentretentiondeviceswithdifferentsoilsundervariousconditionsthatsimulatetheconditionsthatexistinasedimentretentiondeviceinstallation.Thistestmethodmaybeusedtosimulateseveralstormeventsonthesamesedimentretentiondevicespecimen.Therefore,thenumberoftimesthistestisrepeatedperspecimenisdependentupontheuserandthesiteconditions.1.1Thistestmethodisusedtodeterminethefilteringefficiencyandtheflowrateofthefiltrationcomponentofasedimentretentiondevice,suchasasiltfence,siltbarrier,orinletprotector.1.1.1Theresultsareshownasapercentageforfilteringefficiencyandcubicmetrespersquaremetreperminute(m3/m2/min)orgallonspersquarefootperminute(gal/ft2/min)forflowrate.1.1.2Thefilteringefficiencyindicatesthepercentofsedimentremovedfromsediment-ladenwater.1.1.3Theflowrateistheaveragerateofpassageofthesediment-ladenwaterthroughthefiltrationcomponentofasedimentretentiondevice.1.2Thistestmethodrequiresseveralspecializedpiecesofequipment,suchasanintegratedwatersamplerandananalyticalbalance,andsitespecificsoilfromtheconstructionproject.1.3ThevaluesstatedinSIunitsarethestandard,whiletheinch-poundunitsareprovidedforinformation.Thevaluesexpressedineachsystemmaynotbeexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:5P.;A4
【正文语种】:英语
基本信息
标准名称: | 示波管和显示管用Y1荧光粉 |
英文名称: | Phosphor Y1 for oscilloscope tubes and display tubes |
中标分类: |
电子元器件与信息技术 >>
电子设备专用材料、零件、结构件 >>
电子技术专用材料 |
ICS分类: |
|
发布部门: | 信息产业部(电子) |
发布日期: | 1988-01-02 |
实施日期: | 1989-10-01 |
首发日期: | 1988-12-30 |
作废日期: | 1900-01-01 |
主管部门: | 信息产业部(电子) |
归口单位: | 信息产业部(电子) |
起草单位: | 机电部电子标准化所 |
出版日期: | 1900-01-01 |
页数: | 4页 |
适用范围
本标准规定了Y1荧光粉的性能、指标及其测试方法。
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所属分类: 电子元器件与信息技术 电子设备专用材料 零件 结构件 电子技术专用材料