【英文标准名称】:StandardTestMethodforEstimatingStrayRadiantPowerRatioofDispersiveSpectrophotometersbytheOpaqueFilterMethod
【原文标准名称】:用不透明滤光器评估色散分光光度计杂散辐射功率的标准试验方法
【标准号】:ASTME387-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E13.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:杂散功率;光谱学;光谱测定法;光学;辐射;分光光度计;分析方法;试验;试验设备;辐射功率
【英文主题词】:molecularspectroscopy;spectrophotometry;straylight;strayradiantpower;SRP;strayradiantpowerratio;SRPR
【摘要】:1.1Strayradiantpower(SRP)canbeasignificantsourceoferrorinspectrophotometricmeasurements,andthedangerthatsucherrorexistsisenhancedbecauseitspresenceoftenisnotsuspected().Thistestmethodaffordsanestimateoftherelativeradiantpower,thatis,theStrayRadiantPowerRatio(SRPR),atwavelengthsremotefromthoseofthenominalbandpasstransmittedthroughthemonochromatorofanabsorptionspectrophotometer.Test-filtermaterialsaredescribedthatdiscriminatebetweenthedesiredwavelengthsandthosethatcontributemosttoSRPforconventionalcommercialspectrophotometersusedintheultraviolet,thevisible,thenearinfrared,andthemid-infraredranges.Theseproceduresapplytoinstrumentsofconventionaldesign,withusualsources,detectors,includingarraydetectors,andopticalarrangements.Thevacuumultravioletandthefarinfraredpresentspecialproblemsthatarenotdiscussedherein.Note1Research()hasshownthatparticularcaremustbeexercisedintestinggratingspectrophotometersthatusemoderatelynarrowbandpassSRP-blockingfilters.Accuratecalibrationofthewavelengthscaleiscriticalwhentestingsuchinstruments.RefertoPracticeE275.1.2Theseproceduresareneitherall-inclusivenorinfallible.
【中国标准分类号】:N33
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】:


【英文标准名称】:Mechanicalpropertiesofcorrosion-resistantstainlesssteelfasteners-Part3:setscrewsandsimilarfastenersnotundertensilestress.
【原文标准名称】:耐腐蚀不锈钢紧固件的机械性能第3部分:不受拉伸应力的固定螺钉和类似紧固件
【标准号】:NFE25-100-8-2010
【标准状态】:现行
【国别】:法国
【发布日期】:2010-01-01
【实施或试行日期】:2010-01-09
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:奥氏体的;奥氏体钢;化学成分;耐腐蚀钢;名称与符号;紧固件;铁素体;铁素体钢;平头螺钉;硬度;处理;马氏体的;马氏体钢;材料规范;机械性能;机械试验;性能;螺钉;定位螺钉;规范;不锈钢;钢产品;钢;螺柱;表面抛光;抗拉试验;试验设备;试验;扭矩;扭转试验
【英文主题词】:Austenitic;Austeniticsteels;Chemicalcomposition;Corrosion-resistantsteels;Designations;Fasteners;Ferritic;Ferriticsteels;Grubscrews;Hardness;Marking;Martensitic;Martensiticsteels;Materialsspecification;Mechanicalproperties;Mechanicaltesting;Properties;Screws(bolts);Setscrews;Specifications;Stainlesssteels;Steelproducts;Steels;Studs(fasteners);Surfacefinish;Tensiletesting;Testequipment;Testing;Torque;Torsiontests
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:25P;A4
【正文语种】:其他