ANSI/AWS D10.8-1996 管线.铬钼钢管焊接
作者:标准资料网 时间:2024-05-19 14:05:02 浏览:9536
来源:标准资料网
【英文标准名称】:PipingandTubing,WeldingofChromium-MolybdenumSteelPipingandTubing
【原文标准名称】:管线.铬钼钢管焊接
【标准号】:ANSI/AWSD10.8-1996
【标准状态】:作废
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:奥氏体钢;焊接工程
【英文主题词】:Austeniticsteels;Weldingengineering
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_10
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforSimultaneousEnumerationofTotalandRespiringBacteriainAquaticSystemsbyMicroscopy
【原文标准名称】:用显微镜进行水生系统中细菌总量和(呼吸时)呼出的细菌的同步计数试验方法
【标准号】:ASTMD4454-1985(2002)
【标准状态】:现行
【国别】:
【发布日期】:1985
【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】:D19.24
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:计数;细菌纲;试验;计算系统;水
【英文主题词】:aquaticsystems;bacteria;respiring
【摘要】:Measurementofbacterialdensitiesisgenerallythefirststepinestablishingarelationshipbetweenbacteriaandotherbiochemicalprocesses.5Itisknownthattheclassicalplatecountprocedureunderestimatesbacterialdensitieswhiletheepifluorescencedirectmicroscopicproceduremoreaccuratelydepictsthetotalnumbersofnonviableordormantandviablecellsinawatersample.Theacridine-orangeINT-formazanreductiontechniqueprovidesinformationonthetotalconcentrationsofbacteriaaswellasthatproportionwhichareactivelyrespiringandthusinvolvedindegradativeprocesses.Theacridine-orangeINT-formazanreductiontechniqueisbothquantitativeandprecise.Thisprocedureisidealforenumeratingbothpelagicandepibenthicbacteriainallfreshwaterandmarineenvironments.Theprocesscanbeemployedinsurveystudiestocharacterizethebacteriologicaldensitiesandactivitiesofenvironmentalwaters.1.1Thistestmethodcoversthedetectionandenumerationofaquaticbacteriabytheuseofanacridine-orangeepifluorescencedirect-microscopiccountingprocedure.Thistestmethodisapplicabletoenvironmentalwatersandpotablewaters.1.2Certaintypesofdebrisandothermicroorganismsmayfluoresceinacridine-orangestainedsmears.1.3Theproceduredescribedrequiresatrainedmicrobiologistortechnicianwhoiscapableofdistinguishingbacteriafromotherfluorescingbodiesonthebasisofmorphologywhenviewedathighermagnifications.1.4Useofbrightlightpermitsdifferentiationofsinglebacteriawherereducedformazanisdepositedatthepolarends.1.5Approximately104cells/mLarerequiredfordetectionbythistestmethod.1.6Minimalcellsizewhichallowsthedetectionofformazandepositsisrepresentedbybacteriaof0.4m.21.7Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:07_100_20(MICROBIOLOGYOFWATER)
【页数】:3P.;A4
【正文语种】:
【英文标准名称】:Specificationforpresspaperforelectricalpurposes
【原文标准名称】:电工用印刷纸规范
【标准号】:BS3255-1975
【标准状态】:作废
【国别】:英国
【发布日期】:1975-10-31
【实施或试行日期】:
【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】:碎裂试验;纸;灰分测定;电气试验;抗拉强度;吸收;纸制品;介电强度;人工老化试验;厚度;抗拉试验;介电强度试验;电绝缘材料;密度;pH值;固体绝缘材料;水含量的测定;试样制备;试验设备;潮气
【英文主题词】:
【摘要】:
【中国标准分类号】:Y32
【国际标准分类号】:
【页数】:20P;A4
【正文语种】:英语
