ASTM E 1285-1989 λ(拉姆达)噬菌现象或它的脱氧核糖核酸的识别

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【英文标准名称】:Waterquality-Testforinhibitionofoxygenconsumptionbyactivatedsludgeforcarbonaceousandammoniumoxidation
【原文标准名称】:水质.用活性污泥进行碳和铵氧化用氧消耗量的抑制试验
【标准号】:BSENISO8192-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-08-31
【实施或试行日期】:2007-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:活性污泥;培养基;定义;测定;含量测定;擒纵机构;污泥检验;实验室器皿;数学计算;方法;微生物;氮化合物;氮化;氧化;氧;氧消耗;需氧量;质量;试剂;污泥;测试;水;水常规;水质;水质测试
【英文主题词】:Activatedsludges;Culturemedia;Definitions;Determination;Determinationofcontent;Escapementmechanisms;Examinationofsludge;Laboratoryware;Mathematicalcalculations;Methods;Microorganisms;Nitrification;Nitrifization;Oxidation;Oxygen;Oxygenconsumption;Oxygendemand;Quality;Reagents;Sludge;Testing;Water;Waterpractice;Waterquality;Watertesting
【摘要】:ThisInternationalStandardspecifiesamethodforassessingtheinhibitoryeffectofatestmaterialontheoxygenconsumptionofactivatedsludgemicroorganisms.Thismethodisintendedtorepresenttheconditionsinbiologicalwaste-watertreatmentplants.Itgivesinformationoninhibitoryorstimulatoryeffectsafterashortexposure(usually30minupto180minorevenmore)ofthetestmaterialonactivatedsludgemicroorganisms.Thismethodisapplicablefortestingwaters,wastewaters,purechemicalsandmixturesofchemicals.Concerningthechemicals,themethodreferstothosewhicharesolubleunderthetestconditions.Specialcareisnecessarywithmaterialsoflowwatersolubility,highvolatilityandwithmaterialsabioticallyconsumingorproducingoxygen.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_70
【页数】:30P.;A4
【正文语种】:英语


Product Code:SAE AMS5637
Title:Steel, Corrosion Resistant, Bars and Wire 18Cr - 9.0Ni (SAE 30302) Solution Heat Treated and Cold Drawn, 125 ksi (862 MPa) Tensile Strength
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion resistant steel in the form of bars and wire 0.75 inch (19 mm) and under in nominal diameter or distance between parallel sides.