SJ/T 10664-1995 电话终端的电磁兼容性技术要求及测量方法
时间:2024-05-18 23:00:22 来源: 标准资料网 作者：标准资料网 阅读：8913
基本信息
| 标准名称： | 电话终端的电磁兼容性技术要求及测量方法 |
| 英文名称： | Technical requirements and measuring methods for electromagnetic compatibility of telephone terminal |
| 中标分类： |
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| 发布部门： | 中华人民共和国电子工业部 |
| 发布日期： | 1995-08-18 |
| 实施日期： | 1996-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 提出单位： | 电子工业部标准化研究所 |
| 归口单位： | 电子工业部标准化研究所 |
| 起草单位： | 电子工业部标准化研究所 |
| 起草人： | 王庆、王萍、高为忠、张德生 |
| 出版日期： | 1996-01-01 |
| 页数： | 12页 |
适用范围
本标准规定了普通电话机电磁兼容性技术要求及相应的测量方法。本标准适用于接入公用电话网的普通电话机
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所属分类：
【英文标准名称】:Thermalspraying-Pre-treatmentofsurfacesofmetallicpartsandcomponentsforthermalspraying;GermanversionEN13507:2001
【原文标准名称】:热喷涂.热喷涂金属部件和元件表面预处理
【标准号】:DINEN13507-2001
【标准状态】:作废
【国别】:德国
【发布日期】:2001-07
【实施或试行日期】:
【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】:工件;规范(验收);表面;焊接工程;组件;工艺规范;金属喷镀;金属;金属的;准备;元部件;表面处理;喷射;热喷涂;金属表面;喷涂;材料
【英文主题词】:Components;Materials;Metalspraying;Metallic;Metallicsurfaces;Metals;Preparation;Processspecification;Specification(approval);Spray;Spraying;Surfacetreatment;Surfaces;Thermalspraying;Weldingengineering;Workpieces
【摘要】:Thesurfacepreparationofaworkparthasasubstantialeffectontheperfomanceofsprayescoatingsespeciallywithregardtotheiradhesiontothesubstrateandthustheirprotectiveaction.Inthisstandard,importantprinciplesaredefinedwhichmustbetakenintoconsiderationwhensurfacesofmetallicpartsarepreparedforthermalspraying.Theyarevalidfornewproductionaswellasfortherepairofwornparts.#,,#
【中国标准分类号】:A29
【国际标准分类号】:25_220_10
【页数】:7P.;A4
【正文语种】:德语
【英文标准名称】:StandardGuideforConductingSedimentToxicityTestswithPolychaetousAnnelids
【原文标准名称】:带多毛纲环节动物的沉积物毒性试验用标准指南
【标准号】:ASTME1611-2000(2007)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:E47.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:沉积物;毒物学;水
【英文主题词】:acutetoxicitytests;chronictoxicitytests;estuarineenvironments;experimentaldesign;exposuretests;growth;LC50test;marineenvironments;Neanthes;polychaetes;referencetoxicants;salinewater;saltwater;sediment;sediment
【摘要】:1.1Thisguidecoversproceduresforobtaininglaboratorydataconcerningtheadverseeffectsofpotentiallycontaminatedsediment,orofatestmaterialaddedexperimentallytocontaminatedoruncontaminatedsediment,onmarineorestuarineinfaunalpolychaetesduring10-dayor20to28-dayexposures.Theseproceduresareusefulfortestingtheeffectsofvariousgeochemicalcharacteristicsofsedimentsonmarineandestuarinepolychaetesandcouldbeusedtoassesssedimenttoxicitytootherinfaunaltaxa,althoughmodificationsoftheproceduresappropriatetothetestspeciesmightbenecessary.Proceduresforthe10-daystatictestaredescribedforNeanthesarenaceodentataandNeanthesvirensandforthe20to28-daystatic-renewalsedimenttoxicityforN.arenaceodentata.1.2Modificationsoftheseproceduresmightbeappropriateforothersedimenttoxicitytestprocedures,suchasflow-throughorpartiallife-cycletests.Themethodsoutlinedinthisguideshouldalsobeusefulforconductingsedimenttoxicitytestswithotheraquatictaxa,althoughmodificationsmightbenecessary.Othertestorganismsmightincludeotherspeciesofpolychaetes,crustaceans,andbivalves.1.3Othermodificationsoftheseproceduresmightbeappropriateforspecialneedsorcircumstances.Althoughusingappropriateproceduresismoreimportantthanfollowingprescribedprocedures,theresultsoftestsconductedusingunusualproceduresarenotlikelytobecomparabletothoseofmanyothertests.Comparisonsoftheresultsobtainedusingmodifiedandunmodifiedversionsoftheseproceduresmightprovideusefulinformationconcerningnewconceptsandproceduresforconductingsedimenttestswithinfaunalorganisms.1.4Theseproceduresareapplicabletosedimentscontaminatedwithmostchemicals,eitherindividuallyorinformulations,commercialproducts,andknownorunknownmixtures.Theseprocedurescanbeusedwithappropriatemodificationstoconductsedimenttoxicitytestsonfactorssuchastemperature,salinity,dissolvedoxygen(DO),andnaturalsedimentcharacteristics(forexample,particlesizedistribution,organiccarboncontent,andtotalsolids).Theseprocedurescanalsobeusedtoconductbioconcentrationtestsandinsitutests,andtoassessthetoxicityofpotentiallycontaminatedfieldsediments,orofmaterialssuchassewagesludge,oils,particulatematter,andsolutionsoftoxicantsaddedtosediments.Amedianlethalconcentration(LC50)ormediansublethaleffectconcentration(EC50)oftoxicantsorofhighlycontaminatedsedimentmixedintouncontaminatedsedimentcanbedetermined.Materialsadheringtosedimentparticlesordissolvedininterstitialwatercanbetested.1.5Theresultsof10-daytoxicitytestswithcontaminatedsedimentscanbereportedasaLC50ifaseriesofconcentrationsistestedorasapercentmortalityrelativetoacontrolorreferencesediment.Theresultsof20to28-daytoxicitytestswithcontaminatedsedimentscanbereportedasaLC50ifaseriesofconcentrationsistestedorasapercentmortalityorgrowthrelativetoacontrolorreferencesediment.1.6Thisguideisarrangedasfollows:1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection8.
【中国标准分类号】:Z12
【国际标准分类号】:13_060_70
【页数】:26P.;A4
【正文语种】: