HJ/T 279-2006 环境保护产品技术要求 推流式潜水搅拌机
作者:标准资料网 时间:2024-05-19 15:19:37 浏览:9856
来源:标准资料网
基本信息
| 标准名称： | 环境保护产品技术要求 推流式潜水搅拌机 |
| 英文名称： | Specifications for environmental protection product -- Pusher submersible agitator |
| 中标分类： |
机械 >>
通用机械与设备 >>
环境保护设备 |
| ICS分类： |
环保、保健与安全 >>
废物 >>
废物处置和处理设备与装置
|
| 替代情况： | HBC 29-2004 |
| 发布日期： | 2006-07-28 |
| 实施日期： | 2006-09-15 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 13页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 机械 通用机械与设备 环境保护设备 环保 保健与安全 废物 废物处置和处理设备与装置
【英文标准名称】:StandardTestMethodforAsbestosStrengthUnits
【原文标准名称】:石棉强度单位的标准试验方法
【标准号】:ASTMD3880-1990(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1990
【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】:C17.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:石棉;材料强度;施工材料;石棉纤维;塑料;试验;建筑;材料
【英文主题词】:asbestos;asbestos-cement;determination;evaluation;pointvalue;reinforcementpotential;strength;strengthunit
【摘要】:Thistestmethodfacilitatesthecomparisonofdifferenttypesandgradesofchrysotileasbestosbythepropertymostpertinenttoitsuseinasbestos-cement,namely,thestrengthorreinforcingvalueitimpartstotheproduct.Whilesimilarcomparativeresultscouldbeobtainedonanygivenproductionequipment,thismethodallowsthetestingofsmallsamples,avoidscostlyinterruptionsinproductionfornumeroustrialruns,andallowstestvaluestobeobtainedbyasinglestandardmethodsothatresultscanbecomparedamongdifferentlocations.StrengthUnit(SU)valueofafiberblendusedinasbestos-cementproductsmaybeestimatedbytakingtheproportionateSUvalueofeachcomponentofthefiberblend.Ifthefiberblendisformulatedwiththeaimtooptimizeanotherfiberpropertysuchasfilterability,theSUcalculationwillassurethattheblendwillnotfallbelowanacceptablestrengthlevel.Thistestmethodisrestrictedtogradesofasbestosusedinasbestos-cementproducts.Verylong(Group3)fibersaredifficulttoevaluatebythismethodbecausethetestspecimensproducedmaynotbesufficientlyhomogeneous.Similarly,veryshort(Group7)gradesmaynotberetainedsatisfactorilyinthemoldduringthepressingoftestspecimensormaynotprovidesufficientstrengthtomeetthetestrequirements.Note18212;ThetermGroup3or7referstothestandarddesignationforchrysotileasbestosgradesestablishedbytheQuebecAsbestosMiningAssociation,See2.2.Becauseofcertaindifferencesbetweenthismethodandthemanyvariationsinplantproductionprocedurecommonlyusedinasbestos-cementmanufacture,itisemphasizedthatthestrengthvaluesobtainedbythisstandardizedprocedurewillnotnecessarilygiveexactlythesamestrengthvaluesasobtainedatanyonespecificmanufacturingplant.1.1Thistestmethodgivesaprocedurefortheevaluationofthestrength-givingpropertiesofasbestosfibersusedtoreinforceasbestos-cementproducts.1.2Thepurposeofthistestmethodistodeterminethenumberofstrengthunitsthatmaybeassignedtothesampletested.1.3Asbestosfiberpossessestheabilitytoimpartstrengthtoanasbestos-cementproduct.Everyfibergrademayberegardedaspossessingacertainquantityofstrength-givingunits.Thequantityoffiberrequiredinanasbestos-cementcompositionvariesinverselywiththenumberofstrengthunitsitpossesses.Forexample,ifanamount,designatedbyX,ofafiberpossessing100strengthunitsproducesaproductofagivenstrength,2Xwouldberequiredtoproduceaproductofequivalentstrengthfromfiberpossessingonly50strengthunits.1.4Thefollowingdefinitionisthebasisforthestrengthunittest:Anasbestosfiberthatgivesthestandardstrengthatthestandarddensitywhenusedas10%ofthefurnishisdefinedashaving100strengthunits.Therefore,byknowingthepercentfiberrequiredinthemixtogivestandardstrengthatthestandarddensity,itispossibletocalculatethestrengthunitsofasampleofasbestos.1.5Thisprocedureisintendedprimarilyforchrysotileasbestos;ithasnotbeenverifiedwhetherornotitisapplicabletoothertypes.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.7Warning-Breathingofasbestosdustishazardous.Asbestosandasbestosproductspresentdemonstratedhealthrisksforusersandforthosewithwhomtheycomeintocontact.Inadditiontootherprecautions,whenworkingwithasbestos-cementproducts,minimizethedustthatresults.Forinformationonthesafeuseofchrysoltileasbestos,referto"SafeUseofChrysot......
【中国标准分类号】:Q61
【国际标准分类号】:91_100_40
【页数】:23P.;A4
【正文语种】:
【英文标准名称】:Cablesofratedvoltagesuptoandincluding450/750Vandhavingcross-linkedinsulation-Part7:Cableswithincreasedheatresistanceforinternalwiringforaconductortemperatureof110°C;GermanversionHD22.7S2:1995+A1:1999+A2:2004
【原文标准名称】:额定电压为450/750V及以下的交联绝缘电缆.第7部分:导体温度在110鳦的内部布线用耐升温电缆
【标准号】:DINVDE0282-7-2005
【标准状态】:作废
【国别】:德国
【发布日期】:2005-02
【实施或试行日期】:2005-02-01
【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】:电力导线;绝缘;单芯电缆;绝缘线;电力传输线路;电缆;电线;橡胶绝缘;热稳定性;动力电流;标称电压范围;电气布线系统;硫化橡胶;设计;温度;壳体;绝缘电缆;试验;橡胶绝缘软线;电气工程
【英文主题词】:Bodies;Design;Electriccables;Electricpowertransmissionlines;Electricwiringsystems;Electricalcords;Electricalengineering;Insulatedcables;Insulatedcords;Insulations;Nominalvoltageranges;Powercurrent;Powerlines;Rubberinsulation;Rubber-insulatedcords;Single-corecables;Temperature;Testing;Thermalstability;Vulcanizedrubber
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:15P.;A4
【正文语种】:德语
