BS EN 61837-4-2004 频率控制和选择用表面安装的压电器件.标准外形和端头连接器.混合外壳轮廓图

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【英文标准名称】:Surfacemountedpiezoelectricdevicesforfrequencycontrolandselection-Standardoutlinesandterminalleadconnections-Hybridenclosureoutlines
【原文标准名称】:频率控制和选择用表面安装的压电器件.标准外形和端头连接器.混合外壳轮廓图
【标准号】:BSEN61837-4-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-12-13
【实施或试行日期】:2004-12-13
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:轮廓图;电气工程;连接;尺寸;塑料模制材料;图纸;外壳;表面安装设备;金属外壳;电子设备及元件;频率选择;频率稳定;压电器件;表面安装
【英文主题词】:Casedrawing;Connections;Definition;Definitions;Designations;Dimensions;Drawings;Electricalengineering;Electronicequipmentandcomponents;Enclosures;Frequencyselection;Frequencystabilization;Metalcasings;Piezoelectricdevices;Plasticsmouldingmaterial;SMD;Surfacemounting
【摘要】:ThispartofIEC61837specifiestheoutlinedrawingsforsurfacemountedpiezoelectricdeviceswithhybridenclosureoutlines.
【中国标准分类号】:L21
【国际标准分类号】:31_240
【页数】:14P;A4
【正文语种】:英语


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【英文标准名称】:Paperandboard-Testingofcores-Part8:Determinationofnaturalfrequencyandflexuralmodulusbyexperimentalmodalanalysis
【原文标准名称】:纸和纸板.纸芯的检测第8部分:试验模型分析法测定自然频率和弯曲模量
【标准号】:ISO11093-8-2012
【标准状态】:现行
【国别】:国际
【发布日期】:2012-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC6
【标准类型】:()
【标准水平】:()
【中文主题词】:抗弯刚度;纸板(纸);纸板箱;芯;定义(术语);测定;实验工作;抗弯强度;材料测试;数学计算;机械测试;弹性模量;固有频率;纸;纸浆;试验;振动试验
【英文主题词】:Bendingstiffness;Board(paper);Cartons;Cores;Definitions;Determination;Experimentation;Flexuralstrength;Materialstesting;Mathematicalcalculations;Mechanicaltesting;Modulusofelasticity;Naturalfrequency;Paper;Pulp;Testing;Vibrationtesting
【摘要】:
【中国标准分类号】:Y30
【国际标准分类号】:85_060
【页数】:7P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforAvailableCyanidewithLigandDisplacementandFlowInjectionAnalysis(FIA)UtilizingGasDiffusionSeparationandAmperometricDetection
【原文标准名称】:用气体扩散分离和电流计探测法对有效氰化物进行配位位移和流量注入分析的标准试验方法
【标准号】:ASTMD6888-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D19.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:amperometry;availablecyanide;cyanide;cyanideamenabletochlorination;flowinjectionanalysis;freecyanide;gasdiffusionmembrane;ligandexchange;silverelectrode;weakaciddissociablecyanide;Amperometrictitration;Cyanides;Flowinj
【摘要】:Cyanideandhydrogencyanidearehighlytoxic.Regulationshavebeenestablishedtorequirethemonitoringofcyanideinindustrialanddomesticwastesandsurfacewaters.Thistestmethodisapplicablefornaturalwater,salinewaters,andwastewatereffluent.Themethodmaybeusedforprocesscontrolinwastewatertreatmentfacilities.1.1Thismethodisusedtodeterminetheconcentrationofavailableinorganiccyanideinanaqueouswastewateroreffluent.Themethoddetectsthecyanidesthatarefree(HCNandCN-)andmetal-cyanidecomplexesthatareeasilydissociatedintofreecyanideions.Themethoddoesnotdetectthelesstoxicstrongmetal-cyanidecomplexes,cyanidesthatarenotx201C;amenabletochlorination.x201D;1.2TotalcyanidecanbedeterminedforsamplesthathavebeendistilledasdescribedinTestMethodsD2036,TestMethodA,TotalCyanidesafterDistillation.Thecyanidecomplexesaredissociatedandabsorbedintothesodiumhydroxidecapturesolution,whichcanbeanalyzedwiththistestmethod;therefore,ligandexchangereagentsfromSections8.12and8.13wouldnotberequiredwhendeterminingtotalcyanideafterdistillation.1.3Thisprocedureisapplicableoverarangeofapproximately2to400x03BC;g/L(partsperbillion)availablecyanide.Higherconcentrationscanbeanalyzedbydilutionorlowerinjectionvolume.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninNote2andSection9.
【中国标准分类号】:N12
【国际标准分类号】:17_120_10
【页数】:7P.;A4
【正文语种】:英语