GB 16210-1996 车间空气中镍及其无机化合物卫生标准
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来源:标准资料网
基本信息
标准名称: | 车间空气中镍及其无机化合物卫生标准 |
英文名称: | Health STANDARD for nickel and its inorganic compounds in the air of workplace |
中标分类: |
医药、卫生、劳动保护 >>
卫生 >>
劳动卫生 |
ICS分类: |
环保、保健与安全 >>
空气质量 >>
工作场所空气
|
发布部门: | 国家技术监督局 中华人民共和国卫生部 |
发布日期: | 1996-04-03 |
实施日期: | 1996-09-01 |
首发日期: | 1996-04-03 |
作废日期: | 1900-01-01 |
主管部门: | 卫生部 |
归口单位: | 卫生部 |
起草单位: | 哈尔滨医科大学 |
出版日期: | 1900-01-01 |
页数: | 平装16开, 页数:8, 字数:9千字 |
适用范围
本标准规定了车间空气中镍及其无机化合物的最高容许浓度及监测检验方法。本标准适用于镍矿的开采、选矿与冶炼,以及生产与使用镍及其无机化合物的各类作业。不适用于接触羰基镍的作业。
前言
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目录
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引用标准
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所属分类: 医药 卫生 劳动保护 卫生 劳动卫生 环保 保健与安全 空气质量 工作场所空气
【英文标准名称】:Milk-Definitionandevaluationoftheoverallaccuracyofalternativemethodsofmilkanalysis-Analyticalattributesofalternativemethods
【原文标准名称】:牛乳.牛乳分析变异法总准确度的定义和评定.变异法的分析特性
【标准号】:BSISO8196-1-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-11-30
【实施或试行日期】:2009-11-30
【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】:农产品;分析方法;评估;校准;特性;乳制品分析;乳制品;定义;食品;间接的;研究;实验室测试;实验室试验;牛奶;牛奶分析;精密度
【英文主题词】:Agriculturalproducts;Analysismethods;Assessment;Calibration;Characteristics;Dairyanalysis;Dairyproducts;Definitions;Foodproducts;Indirect;Investigations;Laboratorytesting;Laboratorytests;Milk;Milkanalysis;Precision
【摘要】:
【中国标准分类号】:X16
【国际标准分类号】:67_100_10
【页数】:24P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDynamicYoung'sModulus,ShearModulus,andPoisson'sRatiobySonicResonance
【原文标准名称】:利用回声共振测试动态杨氏模量、剪切模数和泊松比的标准试验方法
【标准号】:ASTME1875-2000e1
【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】:E28.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:测试方法;弹性(流体);陶瓷;工业瓷器;试验方法
【英文主题词】:dynamic;elasticmodulus;elasticproperties;Poisson'sratio;resonance;resonantbeam;shearmodulus;Young'smodulus
【摘要】:Thistestmethodhasadvantagesincertainrespectsovertheuseofstaticloadingsystemsformeasuringmoduli.5.1.1Thistestmethodisnondestructiveinnature.Onlyminutestressesareappliedtothespecimen,thusminimizingthepossibilityoffracture.5.1.2Theperiodoftimeduringwhichmeasurementstressisappliedandremovedisoftheorderofhundredsofmicroseconds.Withthistestmethoditisfeasibletoperformmeasurementsathightemperatures,wheredelayedelasticandcreepeffectswouldinvalidatemodulusmeasurementscalculatedfromstaticloading.Thistestmethodissuitablefordetectingwhetheramaterialmeetsspecifications,ifcognizanceisgiventooneimportantfactinmaterialsareoftensensitivetothermalhistory.Therefore,thethermalhistoryofatestspecimenmustbeconsideredincomparingexperimentalvaluesofmodulitoreferenceorstandardvalues.Specimendescriptionsshouldincludeanyspecificthermaltreatmentsthatthespecimenshavereceived.1.1Thistestmethodcoversthedeterminationofthedynamicelasticpropertiesofelasticmaterials.Specimensofthesematerialspossessspecificmechanicalresonantfrequenciesthataredeterminedbytheelasticmodulus,mass,andgeometryofthetestspecimen.Therefore,thedynamicelasticpropertiesofamaterialcanbecomputedifthegeometry,mass,andmechanicalresonantfrequenciesofasuitabletestspecimenofthatmaterialcanbemeasured.DynamicYoung'smodulusisdeterminedusingtheresonantfrequencyintheflexuralmodeofvibration.Thedynamicshearmodulus,ormodulusofrigidity,isfoundusingtorsionalresonantvibrations.DynamicYoung'smodulusanddynamicshearmodulusareusedtocomputePoisson'sratio.1.2Thistestmethodisspecificallyappropriateformaterialsthatareelastic,homogeneous,andisotropic(1).Materialsofacompositecharacter(particulate,whisker,orfiberreinforced)maybetestedbythistestmethodwiththeunderstandingthatthecharacter(volumefraction,size,morphology,distribution,orientation,elasticproperties,andinterfacialbonding)ofthereinforcementinthetestspecimenwillhaveadirecteffectontheelasticproperties.Thesereinforcementeffectsmustbeconsideredininterpretingthetestresultsforcomposites.Thistestmethodisnotsatisfactoryforspecimensthathavecracksorvoidsthataremajordiscontinuitiesinthespecimen.Neitheristhetestmethodsatisfactorywhenthesematerialscannotbefabricatedinauniformrectangularorcircularcrosssection.1.3Ahigh-temperaturefurnaceandcryogeniccabinetaredescribedformeasuringthedynamicelasticmoduliasafunctionoftemperaturefrom-195to1200oC.1.4Modificationofthistestmethodforuseinqualitycontrolispossible.Arangeofacceptableresonantfrequenciesisdeterminedforaspecimenwithaparticulargeometryandmass.Anyspecimenwithafrequencyresponsefallingoutsidethisfrequencyrangeisrejected.Theactualmodulusofeachspecimenneednotbedeterminedaslongasthelimitsoftheselectedfrequencyrangeareknowntoincludetheresonantfrequencythatthespecimenmustpossessifitsgeometryandmassarewithinspecifiedtolerances.1.5TherearematerialspecificASTMstandardsthatcoverthedeterminationofresonancefrequenciesandelasticpropertiesofspecificmaterialsbysonicresonanceorbyimpulseexcitationofvibration.TestMethodsC215,C623,C747,C848,C1198,andC1259maydifferfromthistestmethodinseveralareas(forexample;samplesize,dimensionaltolerances,samplepreparation).Thetestingofthesematerialsshallbedoneincompliancewiththesematerialspecificstandards.Wherepossible,theprocedures,samplespecifications,andcalculationsareconsistentwiththesetestmethods.1.6......
【中国标准分类号】:H23
【国际标准分类号】:81_060_20
【页数】:8P.;A4
【正文语种】: