【英文标准名称】:StandardTestMethodforCategorizationandQuantificationofAirborneFungalStructuresinanInertialImpactionSamplebyOpticalMicroscopy
【原文标准名称】:在惯性冲击样品中用光学显微镜对空气真菌结构分类和量化的标准试验方法
【标准号】:ASTMD7391-2009
【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】:D22.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fungalstructures;spore;spores;mold;mould;fungal;bioaerosol;indoorairquality;fungi;fungus;impactor;impaction
【摘要】:Thistestmethodisusedtoestimateandcategorizethenumberandtypeoffungalstructurespresentonaninertialimpactorsample.Fungalstructuresareidentifiedandquantifiedregardlessofwhethertheywouldorwouldnotgrowinculture.Itmustbeemphasizedthatthedetectorinthismethodistheanalyst,andthereforeresultsaresubjective,dependingontheexperience,training,qualification,andmentalandopticalfatigueoftheanalyst.1.1Thistestmethodisaprocedurethatusesdirectmicroscopytoanalyzethedepositonaninertialimpactionsample.1.2Thistestmethoddescribesproceduresforcategorizingandenumeratingfungalstructuresbymorphologicaltype.Typically,categoriesmaybeassmallasgenus(forexample,Cladosporium)oraslargeasphylum(forexample,basidiospores).1.3Thismethodcontainstwoproceduresforenumeratingfungalstructures:oneforslitimpactionsamplesandoneforcircularimpactionsamples.Thistestmethodisapplicableforimpactionairsamples,forwhichaknownvolumeofair(atarateasrecommendedbythemanufacturer)hasbeendrawn,andisalsoapplicableforblankimpactionsamples.1.4Enumerationresultsarepresentedinfungalstructures/sample(fs/sample)andfungalstructures/m3(fs/m3).1.5Therangeofenumerationresultsthatcanbedeterminedwiththismethoddependsonthesizeofthesporesonthesampletrace,theamountofparticulatematteronthesampletrace,thepercentageofthesampletracecounted,andthevolumeofairsampled.1.6Thismethodaddressesonlytheanalysisofsamples.Thesamplingprocessandinterpretationofresultsisoutsidethescopeofthismethod.1.7ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C51
【国际标准分类号】:07_100_99
【页数】:12P.;A4
【正文语种】:英语


【英文标准名称】:Unshapedrefractoryproducts.Testsforpreformedshapes
【原文标准名称】:不定型耐火产品.预成型试验
【标准号】:DDENV1402-7-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-09-15
【实施或试行日期】:1998-09-15
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:测量仪器;准确度;耐火材料;耐火材料;破坏试验;缺陷;尺寸测量;频率测量;不定型耐火材料;试验设备;凸度;测量;灼烧损失试验;形状;无损检验;超声检验;计量检查;机械冲击;凹槽;潮气测量;计数检查;冲击试验
【英文主题词】:
【摘要】:
【中国标准分类号】:Q46
【国际标准分类号】:81_080
【页数】:30P;A4
【正文语种】:英语