BS ISO 14368-2-2003 无机和蓝宝石表面玻璃.用粘着剂或衬垫组装外壳
作者:标准资料网 时间:2024-05-17 22:07:06 浏览:9058
来源:标准资料网
【英文标准名称】:Mineralandsapphirewatch-glasses-Assemblytothecasebyadhesiveorusingagasket
【原文标准名称】:无机和蓝宝石表面玻璃.用粘着剂或衬垫组装外壳
【标准号】:BSISO14368-2-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-02-20
【实施或试行日期】:2003-02-20
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:表面玻璃;衬垫;表;时间测量装置;外壳;时计学;表壳;蓝宝石;符号;无机玻璃
【英文主题词】:Enclosures;Gaskets;Horology;Mineralglasses;Sapphires;Symbols;Timemeasuringdevice;Watch-cases;Watches;Watch-glasses
【摘要】:ThispartofISO14368specifiesdimensionalrequirementsoftheinterfacefortheassemblytothecasebyadhesiveorusingagasketforround-shapedmineralandsapphirewatch-glasses.
【中国标准分类号】:Q34
【国际标准分类号】:39_040_10
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforRadonControlOptionsfortheDesignandConstructionofNewLow-RiseResidentialBuildings
【原文标准名称】:新式低层住宅设计和建造用氡控制方案选择标准实施规范
【标准号】:ASTME1465-2008a
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E06.41
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Low-riseresidentialbuildings;Radon
【摘要】:Fan-poweredradonreductionsystemsbuiltintonewresidentialbuildingsaccordingtothispracticearelikelytoreduceelevatedindoorradonlevels,wheresoil-gasisthesourceofradon,tobelow2.0picocuriesperlitre(pCi/L)(75becquerelsofradonpercubicmetre(Bq/m3))inoccupiablespaces.Passiveradonreductionsystemsdonotalwaysreducesuchindoorradonconcentrationstobelow2.0picocuriesperlitre(pCi/L)(75becquerelsofradonpercubicmetre(Bq/m3))inoccupiablespaces.Whenapassivesystem,builtaccordingtothispractice,doesnotachieveacceptableradonconcentrations,thatsystemshouldbeconvertedtofan-poweredoperationtosignificantlyimproveitsperformance.Exceptionsx2014;Newresidentialbuildingsbuiltonexpansivesoilandkarstmayrequireadditionalmeasures,notincludedinthispractice,toachieveacceptableradonreduction.Considerconsultingwithasoil/geotechnicalspecialist,aqualifiedfoundationstructuralengineerandcontactingthestatex2019;sradoninairspecialistforup-to-dateinformationaboutconstructionmethods.NamesofyourstateradonspecialistareavailablefromtheU.S.EPAwebsite(http://www.epa.gov/radon).Note18212;Residencesusingprivatewellscanhaveelevatedindoorradonconcentrationsduetoradonthatout-gassesfromthewaterusedindoors,likewaterusedtoshower(7).Considercontactingyourstatex2019;sradonspecialistforup-to-dateinformationonavailablemethodsforremovingradonfromprivatewellwater.Allsoildepressurizationradonreductionmethodsrequireagas-permeablelayerwhichcanbedepressurized.Thegas-permeablelayerispositionedunderthebuildingx2019;ssealedgroundcover.Inthecaseoftheactivesoildepressurizationsystem,aradonfanpullsairuptheventstacktodepressurizethegas-permeablelayer.Inthecaseofapassivesoildepressurizationsystem,whenairintheventstackiswarmerthanthatoutdoors,thewarmerairrisesinthestackcausingthegas-permeablelayertobedepressurized.Thepassivesystemdepressurizesthegas-permeablelayerintermittently;thefan-poweredsystemdepressurizesthegas-permeablelayercontinuously.Theperformanceofgas-permeablelayersdependsontheirdesign;see6.4.1.3.Aradonreductionsystemthatoperatespassivelyrequiresthemostefficientgas-permeablelayer.U.S.EPArecommendedactionlevelconcerningindoorradonstatesthattheradonconcentrationshouldalwaysbereducedifitis4picocuriesperlitre(pCi/L)(150becquerelsofradonpercubicmetre(Bq/m3))oraboveinoccupiablespaces.AccordingtoU.S.EPAthereisalsoreducedriskwhenradonconcentrationsinindoorairareloweredtobelow2.0picocuriesperlitre(pCi/L)(75becquerelsofradonpercubicmetre(Bq/m3))inoccupiablespaces(4).Significantbenefitisobtainedfromreducingindoorradonconcentrationstobelow4pCi/L(150Bq/m3).AccordingtotheU.S.EPAx2019;sriskassessment(8),about62outof1000peoplewhosmokewilldiefromalifetimex2019;saverageradonexposureof4pCi/L(150Bq/m3);forpeoplewhoneversmokedabout7outof1000willpeoplediefromthesamelifetimeexposure.Smokersx2019;lifetimeriskofdeathfromlungcancerisreducedbyabouthalf(50%)whentheiraverageradonexposureisreducedfrom4to2pCi/L(150to75Bq/m3);theirriskisreducedbyabouttwo-thirds(67%)whentheirexposureisreducedfrom4......
基本信息
| 标准名称： | 中小功率柴油 产品质量分等 |
| 中标分类： |
机械 >>
活塞式内燃机与其他动力设备 >>
内燃机与附属装置 |
| 替代情况： | JB/T 51104.1-1994 JB/T 51104.2-1994 JB/T 51104.3-1994 |
| 发布日期： | 1999-12-30 |
| 实施日期： | 2000-06-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 37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： 机械 活塞式内燃机与其他动力设备 内燃机与附属装置
