【英文标准名称】:Acoustics-Recommendedpracticeforthedesignoflow-noiseworkplacescontainingmachinery-Soundpropagationandnoisepredictioninworkrooms
【原文标准名称】:声学.低噪声机械工作间设计的推荐实施规程.工作室中声传播和噪声预测
【标准号】:BSENISO11690-3-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-01-15
【实施或试行日期】:1999-01-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:设计;声强;自然工作条件;试验条件;职业安全;危害;噪声(环境的);听觉阈;工作环境;声学试验室;车间;工作场所;声学;声学测量;声学工程;噪声控制
【英文主题词】:
【摘要】:InthispartofISO11690,soundpropagationinaroomisconsideredtogetherwiththepredictionofsoundpressurelevelsandofnoiseimmissionattheworkplace.Detailsofthedescriptionofthephysicalphenomenainvolvedinanoisepredictionschemearestronglydependentonthesituationbeingconsideredandthewaythissituationismodelled(inputparameters,calculationtechniques).Thisdependencyissurveyedandthemethodologyfornoisepredictionisdescribed.Recommendationsareprovidedconcerningtheuseofnoisepredictionasanaidfornoisecontrolinworkrooms.ExamplesofuseofnoisepredictionmethodsaregiveninannexesAtoE.
【中国标准分类号】:Z32
【国际标准分类号】:13_140;17_140_20
【页数】:46P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforAcidResistanceofPorcelainEnamels(CitricAcidSpotTest)
【原文标准名称】:搪瓷耐酸的标准试验方法(柠檬酸斑点试验)
【标准号】:ASTMC282-1999(2005)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:B08.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:釉层;工业瓷器;覆层;耐酸性;耐酸的;试验
【英文主题词】:
【摘要】:Thistestmethodisintendedspecificallyfortestingtheporcelainenamelfinishonstoves,refrigerators,tabletops,sinksandothersanitaryware,laundryappliances,architecturalunits,etc.,wherethesurfacemaycomeincontactwithfoodacidsatroomtemperature.Citricacidhasbeenchosenasthetestmediumbecauseitisoneofthemostcommonofthefoodacidsandwillgenerallyprovideameasurableresultinitsactiononporcelainenamel.1.1Thistestmethodcoversaprocedureforevaluatingporcelainenamelsintheirresistancetocitricacidexposureatroomtemperature.Noattemptismadetocategorizeporcelainenamelsastotheiracid-resistanceornonacid-resistanceproperties,sincetherequirementsintheseveralbranchesoftheindustrydiffer.1.2Thetestmethodisapplicableforwareofvariousshapesprovidingtheycontainasubstantiallyflatareaapproximately50mmindiameter.1.3Thetestmethodisnotapplicabletofinishesonchemicalandhospitalware,whichmaycomeincontactwithstrongmineralacids,nortocookingutensils,whichmaycomeinprolongedcontactwithhotacidsolutions.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y26
【国际标准分类号】:25_220_50
【页数】:3P.;A4
【正文语种】: