基本信息
标准名称: | 食品中黄曲霉毒素B1允许量标准 |
英文名称: | Hygienic standard for tolerances of aflatoxin B1 in foods |
中标分类: |
医药、卫生、劳动保护 >>
卫生 >>
食品卫生 |
ICS分类: |
食品技术 >>
食品综合
|
替代情况: | GBn 51-1977;被GB 2761-2005代替 |
发布日期: | 1981-09-23 |
实施日期: | 1982-06-01 |
首发日期: | 1981-09-23 |
作废日期: | 2005-10-01 |
归口单位: | 卫生部 |
起草单位: | 中国医科院食品卫生检验所 |
出版日期: | 1900-01-01 |
页数: | 0 |
适用范围
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前言
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所属分类: 医药 卫生 劳动保护 卫生 食品卫生 食品技术 食品综合
【英文标准名称】:Explosiveatmospheres-Part14:Electricalinstallationsdesign,selectionanderection
【原文标准名称】:爆炸性环境.第14部分:电气装置设计、选择和安装
【标准号】:IEC60079-14-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC31J
【标准类型】:()
【标准水平】:()
【中文主题词】:电缆;定义;设计;电器;电气工程;电气设备;电气装置;电驱动装置;安装;防爆;爆炸安全;爆炸性环境;防火外壳;可燃性环境;气体环境;危害;自身安全;加压;选择;规范(验收);d型防护电气设备;e型防护电气设备;i型防护电气设备;m型防护电气设备;n型防护电气设备;o型防护电气设备;p型防护电气设备;pD型防护电气设备;q型防护电气设备;tD型防护电气设备
【英文主题词】:Cables;Definitions;Design;Electricappliances;Electricalengineering;Electricalequipment;Electricalinstallations;Electrically-operateddevices;Erection;Explosionprotection;Explosionsecurity;Explosiveatmospheres;Flameproofenclosures;Flammableatmospheres;Gasatmosphere;Hazards;Intrinsicsafety;Pressurizing;Protectivemeasures;Safety;Selection;Specification(approval);Typedprotectedelectricalequipment;Typeeprotectedelectricalequipment;Typeiprotectedelectricalequipment;Typemprotectedelectricalequipment;Typenprotectedelectricalequipment;Typeoprotectedelectricalequipment;Typepprotectedelectricalequipment;TypepDprotectedelectricalequipment;Typeqprotectedelectricalequipment;TypetDprotectedelectricalequipment
【摘要】:ThispartofIEC60079containsthespecificrequirementsforthedesign,selectionanderectionofelectricalinstallationsinhazardousareasassociatedwithexplosiveatmospheres.Wheretheequipmentisrequiredtomeetotherenvironmentalconditions,forexample,protectionagainstingressofwaterandresistancetocorrosion,additionalmethodsofprotectionmaybenecessary.Themethodusedshouldnotadverselyaffecttheintegrityoftheenclosure.Therequirementsofthisstandardapplyonlytotheuseofequipmentundernormalornearnormalatmosphericconditions.Forotherconditions,additionalprecautionsmaybenecessary.Forexample,mostflammablematerialsandmanymaterialswhicharenormallyregardedasnon-flammablemightburnvigorouslyunderconditionsofoxygenenrichment.Otherprecautionsmightalsobenecessaryintheuseofequipmentunderconditionsofextremetemperatureandpressure.Suchprecautionsarebeyondthescopeofthisstandard.Theserequirementsareinadditiontotherequirementsforinstallationsinnon-hazardousareas.Thisstandardappliestoallelectricalequipmentincludingfixed,portable,transportableandpersonal,andinstallations,permanentortemporary.Itappliestoinstallationsatallvoltages.Thisstandarddoesnotapplyto–electricalinstallationsinminessusceptibletofiredamp;NOTEThisstandardmayapplytoelectricalinstallationsinmineswhereexplosivegasatmospheresotherthanfiredampmaybeformedandtoelectricalinstallationsinthesurfaceinstallationofmines.–inherentlyexplosivesituationsanddustfromexplosivesorpyrophoricsubstances(forexampleexplosivesmanufacturingandprocessing);–roomsusedformedicalpurposes;–electricalinstallationsinareaswherethehazardisduetohybridmixturesofcombustibledustandexplosivegas,vapourormist.Thisstandarddoesnottakeintoaccountofanyriskduetoanemissionofflammableortoxicgasfromthedust.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:200P;A4
【正文语种】:英语