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ASTM D887-2008 水沉积物抽样的标准实施规程

作者:标准资料网 时间:2024-05-14 11:02:19  浏览:9201   来源:标准资料网
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【英文标准名称】:StandardPracticesforSamplingWater-FormedDeposits
【原文标准名称】:水沉积物抽样的标准实施规程
【标准号】:ASTMD887-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D19.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Biologicaldataanalysis--waterapplications;Corrosivity--water;Non-humancontrol;Radioactivewateranalysis;Samplingwateranalysisapplications;Scale;Slimes;Sludgesampling;Watercorrosivity;Water-formeddeposits
【摘要】:Thegoalofsamplingistoobtainforanalysisaportionofthewholethatisrepresentative.Themostcriticalfactorsaretheselectionofsamplingareasandnumberofsamples,themethodusedforsampling,andthemaintenanceoftheintegrityofthesamplepriortoanalysis.Analysisofwater-formeddepositsshouldgivevaluableinformationconcerningcyclesystemchemistry,componentcorrosion,erosion,thefailuremechanism,theneedforchemicalcleaning,themethodofchemicalcleaning,localizedcyclecorrosion,boilercarryover,flowpatternsinaturbine,andtherateofradiationbuild-up.Somesourcesofwater-formeddepositsarecyclecorrosionproducts,make-upwatercontaminants,andcondensercoolingwatercontaminants.1.1Thesepracticescoverthesamplingofwater-formeddepositsforchemical,physical,biological,orradiologicalanalysis.Thepracticescoverbothfieldandlaboratorysampling.Italsodefinesthevarioustypesofdeposits.Thefollowingpracticesareincluded:
Sections
PracticeAx2014;SamplingWater-FormedDepositsFromTubingofSteamGeneratorsandHeatExchangers
8to10
PracticeBx2014;SamplingWater-FormedDepositsFromSteamTurbines
11to14
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【英文标准名称】:Opticalfibres-Part1-1:Measurementmethodsandtestprocedures-Generalandguidance
【原文标准名称】:光纤.第1-1部分:测量方法和试验程序.总则和指南
【标准号】:IEC60793-1-1-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC86A
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;总规范;测量;测量技术;单模纤维;多模纤维;光波导;包装件;特性;规范;规范(验收);试验方法;测试
【英文主题词】:Electricalengineering;Genericspecification;Measurement;Measuringtechniques;Monomodefibres;Multimodefibres;Opticalwaveguides;Packages;Properties;Specification;Specification(approval);Testmethods;Testing
【摘要】:ThispartofIEC60793listsandgivesguidanceontheuseofdocumentsgivingtheuniformrequirementsformeasuringandtestingopticalfibres,therebyassistingintheinspectionoffibresandcablesforcommercial(mostlytelecommunications)purposes.TheindividualmeasurementandtestmethodsarecontainedinthedifferentpartsoftheIEC60793series.TheyareidentifiedasIEC60793-1-X,where"X"isanassignedsub-partnumber,indicatingitsaffiliationtoIEC60793-1.Ingeneral,measurementsandtestsmethodsapplytoallclassAmultimodefibresandClassBsingle-modeopticalfibrescoveredbytheIEC60793-2series,althoughtheremaybeexceptions.Clause1ofeachpartofIEC60793containsthescopeforeachparticularattribute.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:10P;A4
【正文语种】:英语


Product Code:SAE J403
Title:Chemical Compositions of SAE Carbon Steels
Issuing Committee:Carbon And Alloy Steels Committee
Scope:An error has been found in the J403 6/2000 published standard. The following disclaimer explains the correction to the error: Standard J403-Revised 6/2000 - Table 1 for SAE 1006 (UNS10060), a Mn content of .45% Mn max. is allowed for structural shapes, plates, strip, sheets and welded tubing. Similarly, for SAE 1008 (UNS10080), a Mn content of 0.50% Mn max. is allowed for these products.

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