SJ 1482-79 ３ＣＧ１３２型ＰＮＰ硅外延平面高频小功率三极管
作者:标准资料网 时间:2024-05-20 02:16:00 浏览:8533
来源:标准资料网
基本信息
| 标准名称： | ３ＣＧ１３２型ＰＮＰ硅外延平面高频小功率三极管 |
| 英文名称： | Detail specification for silicon PNP epitaxial planar high frequency low power transistors,Type 3CG132 |
| 中标分类： |
能源、核技术 >>
能源、核技术综合 >>
技术管理 |
| 发布日期： | 1979-09-11 |
| 实施日期： | 1980-06-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 3页 |
适用范围
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引用标准
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所属分类： 能源 核技术 能源 核技术综合 技术管理
【英文标准名称】:Formicacidforindustrialuse;Methodsoftest;PartI:General
【原文标准名称】:工业用甲酸试验方法第1部分:总则
【标准号】:ISO731-1-1977
【标准状态】:作废
【国别】:国际
【发布日期】:1977-02
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;总论;硫酸盐;氯化物;化学分析和试验;化学分析;甲酸;酸度;含量测定
【英文主题词】:formicacid;generalsection;chlorides;tests;testing;chemicalanalysisandtesting;sulphates;determinationofcontent;acidity
【摘要】:Givesgeneralinstructionsrelatingtomethodsoftest,especiallyforsampling.ISO/R731hasbeensubdivisedintosevenparts.ISO731/1replacesclauses1,2and7ofISORecommendationR731-1968.
【中国标准分类号】:G15
【国际标准分类号】:71_080_40
【页数】:1P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforSealingLateralConnectionsandlinesfromthemainlineSewerSystemsbytheLateralPackerMethod,UsingChemicalGrouting
【原文标准名称】:用化学灌浆的侧向灌浆机法密封测量连接件和主要排污系统管线的标准实施规程
【标准号】:ASTMF2454-2005(2010)
【标准状态】:现行
【国别】:美国
【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】:F36.20
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:chemicalgrouting;infiltration;laterals;sealing;sewers;Chemicalgrouts/grouting;Laterals;Sealing;Sewer
【摘要】:Theinspection,testing,andrepairoflateralconnectionsforsanitarysewersareregularpracticenecessaryforthemaintenanceandoptimalperformanceofthesystem.Itisimportanttoidentifymethodsthatusethemostcurrentcompoundsandtechnologytoensurethereductionofinfiltrationandexfiltration.Itisimportanttominimizedisruptiontotrafficandlessentheenvironmentalimpactsforboththemunicipalandprivateowners.Thispracticeservesasameanstoinspect,test,andsealsewerlateralconnectionsandapredeterminedportionofthelaterallinesfromthemainlinesewer,havingselectedtheappropriatechemicalgroutsusingthelateralpackermethod.Television(oroptical)inspectionandsewerlateralconnectiontestingareusedtoassesstheconditionanddocumentanyrepairs.Thispracticeshouldnotbeusedwheremainlineandlateralconnectionsarefoundwithlongitudinallycrackedpipe,structurallyunsoundpipe,orflattenedoroutofroundpipe.1.1Thispracticecoverstheproceduresfortestingandsealingsewerlateralconnectionsandlaterallinesfromthemainlinesewerwithappropriatechemicalgroutsusingthelateralpackermethod.Chemicalgroutingisusedtostopinfiltrationofgroundwaterandexfiltrationofsewageingravityflowsewersystemsthatarestructurallysound.1.2Thispracticeappliestomainlinesewerdiametersof6to24in.with4,5,or6in.diameterlaterals.Largerdiameterpipeswithlateralconnectionsandlinescanbegroutedwithspecialpackersorman-entrymethods.Themainlineandlateralpipesmustbestructurallyadequatetocreateaneffectiveseal.1.3Workersafetytrainingshouldincludereviewingthebiohazardsandgasesfromsewage,confinedspaces,pumpingequipment,andrelatedapparatus.Additionalsafetyconsiderationsincludingproperhandling,mixing,andtransportingofchemicalgroutsshouldbeprovidedbythechemicalgroutmanufacturerorsupplier,orboth.Theirsafeoperatingpracticesandproceduresshoulddescribeindetailappropriatepersonalprotectiveequipment(PPE)forthevariousgroutingoperations.Operationscoveredshouldincludetheproperstorage,transportation,mixing,anddisposalofchemicalgrouts,additives,andtheirassociatedcontainers.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q80
【国际标准分类号】:93_030
【页数】:6P.;A4
【正文语种】:英语
