GB/T 7991-2003 搪玻璃层厚度测量 电磁法
作者:标准资料网 时间:2024-05-15 03:35:10 浏览:9187
来源:标准资料网
基本信息
标准名称: | 搪玻璃层厚度测量 电磁法 |
英文名称: | Measurement of vitreous and procelain enamel coating thickness—Magnetic mehtod |
中标分类: |
化工 >>
化工机械与设备 >>
非金属化工机械设备 |
ICS分类: |
|
替代情况: | GB/T 7991-1987 |
发布部门: | 中华人民共和国国家质量监督检验检疫总局 |
发布日期: | 2003-06-01 |
实施日期: | 2004-01-01 |
首发日期: | 1987-06-24 |
作废日期: | 1900-01-01 |
主管部门: | 中国石油和化学工业协会 |
提出单位: | 中国石油和化学工业协会 |
归口单位: | 全国搪玻璃设备标准化技术委员会 |
起草单位: | 天华化工机械及自动化研究设计院、淄博工业搪瓷厂 |
起草人: | 桑临春、沙庆谦、张品、杨长明、梁彩霞 |
出版社: | 中国标准出版社 |
出版日期: | 2004-01-01 |
页数: | 平装16开, 页数:5, 字数:12千字 |
书号: | 155066.1-19849 |
适用范围
本标准适用于用电磁法测量磁性基体上的搪玻璃层厚度的方法。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 化工 化工机械与设备 非金属化工机械设备
【英文标准名称】:StandardTestMethodsforCarbonandHydrogenintheAnalysisSampleofCoalandCoke
【原文标准名称】:煤和焦炭的分析样品中碳和氢的标准试验方法
【标准号】:ASTMD3178-1989(2002)
【标准状态】:作废
【国别】:
【发布日期】:1989
【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】:D05.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:抽样方法;试验;固体燃料;分析;焦炭;碳;氢;燃料;含量测定;试样;煤
【英文主题词】:carboncontent-coal/coke;coalandcoalproducts-coal/coke;coke;heatingtests-coal/coke;Hydrogencontent-coal/coke;ultimateanalysis-coalandcoke;totalcarbon/hydrogeninanalysissampleofcoal/coke,test
【摘要】:1.1Thesetestmethodscoverthedeterminationoftotalcarbonandhydrogeninsamplesofcoalorcoke.Boththecarbonandhydrogenaredeterminedinoneoperation.Thesetestmethodsyieldthetotalpercentagesofcarbonandhydrogeninthecoalasa
【中国标准分类号】:D20
【国际标准分类号】:75_160_10
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:Switchesforappliances-Part1:Generalrequirements
【原文标准名称】:设备开关.第1部分:一般要求
【标准号】:IEC61058-1Edition3.1-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC23J
【标准类型】:()
【标准水平】:()
【中文主题词】:电器开关;设计;定义;电力设备;作标记;规范(验收);电气工程;试验;开关
【英文主题词】:design;marking;definitions;definition;electricalinstallations;specification(approval);switches;electricalengineering;switchesforappliances;testing
【摘要】:1.1ThisInternationalStandardappliestoswitches(mechanicalorelectronic)forappliancesactuatedbyhand,byfootorbyotherhumanactivity,tooperateorcontrolelectricalappliancesandotherequipmentforhouseholdorsimilarpurposeswitharatedvoltagenotexceeding440Vandaratedcurrentnotexceeding63A.Theseswitchesareintendedtobeoperatedbyaperson,viaanactuatingmemberorbyactuatingasensingunit.Theactuatingmemberorsensingunitcanbeintegralwithorarrangedseparately,eitherphysicallyorelectrically,fromtheswitchandmayinvolvetransmissionofasignal,forexampleelectrical,optical,acousticorthermal,betweentheactuatingmemberorsensingunitandtheswitch.Switcheswhichincorporateadditionalcontrolfunctionsgovernedbytheswitchfunctionarewithinthescopeofthisstandard.Thisstandardalsocoverstheindirectactuationoftheswitchwhentheoperationoftheactuatingmemberorsensingunitisprovidedbyaremotecontrolorapartofanapplianceorequipmentsuchasadoor.NOTE1Electronicswitchesmaybecombinedwithmechanicalswitchesgivingfulldisconnectionormicro-disconnection.NOTE2Electronicswitcheswithoutamechanicalswitchinthesupplycircuitprovideonlyelectronicdisconnection.Therefore,thecircuitontheloadsideisalwaysconsideredtobelive.NOTE3Forswitchesusedintropicalclimates,additionalrequirementsmaybenecessary.NOTE4Attentionisdrawntothefactthatthestandardsforappliancesmaycontainadditionaloralternativerequirementsforswitches.NOTE5Throughoutthisstandard,theword"appliance"means"applianceorequipment".NOTE6ThispartofIEC61058isapplicablewhentestingincorporatedswitches.Whenothertypesofswitchesforappliancesaretested,thispartisapplicabletogetherwiththerelevantIEC61058-2.Thispartmay,however,beappliedforothertypesofswitcheswhicharenotmentionedinIEC61058-2,providedthattheelectricalsafetyisnotdisregarded.1.2Thisstandardappliestoswitchesintendedtobeincorporatedin,onorwithanappliance.1.3Thisstandardalsoappliestoswitchesincorporatingelectronicdevices.1.4Thisstandardalsoappliestoswitchesforappliancessuchas-switchesintendedtobeconnectedtoaflexiblecable(cordswitches);NOTEInthisdocument,theword"cable"means"cableorcord".-switchesintegratedinanappliance(integratedswitches);-switchesintendedtobemountedapartfromtheappliance(independentlymountedswitches)otherthanthosewithinthescopeofIEC60669-1;-change-overselectorsforwhich,however,particularrequirementsaregiveninIEC61058-2.1.5Thisstandarddoesnotcontainrequirementsforisolatingswitches.NOTERequirementsforisolatingswitchesareunderconsideration.1.6Thisstandarddoesnotapplytodeviceswhichcontrolappliancesandequipmentnotactuatedintentionallybyaperson.ThesearecoveredbyIEC60730.
【中国标准分类号】:K31
【国际标准分类号】:29_120_40
【页数】:21P;A4@
【正文语种】:英语