ISO 8009 AMD 1-2012 机械避孕剂.可重复使用的天然和硅胶避孕器具.要求和试验.修改件1
作者:标准资料网 时间:2024-05-13 18:53:17 浏览:8345
来源:标准资料网
【英文标准名称】:Mechanicalcontraceptives-Reusablenaturalandsiliconerubbercontraceptivediaphragms-Requirementsandtests;Amendment1
【原文标准名称】:机械避孕剂.可重复使用的天然和硅胶避孕器具.要求和试验.修改件1
【标准号】:ISO8009AMD1-2012
【标准状态】:现行
【国别】:国际
【发布日期】:2012-02-01
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC157
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Birthcontrol;Classificationsystems;Contraceptiveagents;Contraceptivedevices;Contraceptivediaphragms;Diaphragms;Dimensions;Marking;Materialsspecification;Mechanicalproperties;Medicaldevices;Packages;Re-usable;Rubber;Rubberproducts;Silicone;Specification(approval);Tensilestrength;Testing
【摘要】:
【中国标准分类号】:G45
【国际标准分类号】:11_200
【页数】:1P;A4
【正文语种】:英语
【英文标准名称】:Sewerage;guidelinesfordesigndevelopment
【原文标准名称】:废水处理.设计加工规则
【标准号】:DIN19525-1957
【标准状态】:作废
【国别】:德国
【发布日期】:1957-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:数学计算;尺寸;污水处理;废水排水;通风;施工材料;溢水口;计划;污水;图纸;给水;降雨;比率;建设工程;运河;污水工程;供能系统(建筑物);支撑;压力管;地下水;政策;污水排水;高垮比(屋顶);污物(卫生器具);工业;布置
【英文主题词】:
【摘要】:
【中国标准分类号】:P41
【国际标准分类号】:4810
【页数】:4P;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforDeterminingContrastSensitivityinRadioscopy
【原文标准名称】:射线检查法中对比灵敏度测定的标准实施规范
【标准号】:ASTME1647-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:E07.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:图像质量;图像质量指示器;直线;γ辐射;射线检查;放射性照射;辐照;试验
【英文主题词】:contrastsensitivitygage;gammaray;imageformation;imageprocessing;imagequalityindicator;line-pairspermillimeter;penetratingradiation;spatialresolution;X-ray
【摘要】:Thecontrastsensitivitygagemeasurescontrastsensitivityindependentoftheimagingsystemspatialresolutionlimitations.Thethicknessrecessdimensionsofthecontrastsensitivitygagearelargewithrespecttothespatialresolutionlimitationsofmostimagingsystems.Fourlevelsofcontrastsensitivityaremeasured:4%,3%,2%,and1%.Thecontrastsensitivitygageisintendedforuseinconjunctionwithahigh-contrastresolutionmeasuringgage,suchastheEN462x2013;5DuplexWireImageQualityIndicator.Suchgagesmeasurespatialresolutionessentiallyindependentoftheimagingsystem’contrastsensitivity.Suchmeasurementsareappropriateforthequalificationandperformancemonitoringofradiographicandradioscopicimagingsystems.Radioscopic/radiographicsystemperformancemaybespecifiedbycombiningthemeasuredcontrastsensitivityexpressedasapercentagewiththespatialresolutionexpressedinmillimetersofunsharpness.FortheEN462x2013;5spatialresolutiongage,theunsharpnessisequaltotwicethewirediameter.Forthelinepairgage,theunsharpnessisequaltothereciprocaloftheline-pair/mmvalue.Asanexample,animagingsystemthatexhibits2%contrastsensitivityandimagesthe0.1mmEN462x2013;5pairedwires(equivalenttoimaging5line-pairs/millimeterresolutiononaline-pairgage)performsata2%x2013;0.2mmsensitivitylevel.AstandardmethodofevaluatingoverallradioscopicsystemperformanceisgiveninPracticeE1411andinEN13068x2013;1.1.1Thispracticecoversthedesignandmaterialselectionofacontrastsensitivitymeasuringgageusedtodeterminetheminimumchangeinmaterialthicknessordensitythatmaybeimagedwithoutregardtospatialresolutionlimitations.1.2Thispracticeisapplicabletotransmitted-beamradiographicandradioscopicimagingsystemsutilizingX-rayandgammarayradiationsources.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetystatements,seeNIST/ANSIHandbook114Section8,CodeofFederalRegulations21CFR1020.40and29CFR1910.96.
【中国标准分类号】:C43
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:
