MIL-STD-298
时间:2024-05-17 01:39:18 来源: 标准资料网 作者：标准资料网 阅读：8973
MIL-STD-298, DEPARTMENT OF DEFENSE TEST METHOD: VISUAL INSPECTION GUIDE FOR RUBBER EXTRUDED GOODS (17 JAN 1957) [SUPERSEDES NAVSHIPS 250-344-6]., This document covers the defects for conventional rubber extruded goods, that is items which are made by forcing unvulcanized rubber compound through a forming die and which are subsequently cured without being confined in a mold. Cast plastisol items, coated electrical wire and items containing cellular rubber are specifically excluded.
【英文标准名称】:Waterquality-DetectionandenumerationofEscherichiacoliandcoliformbacteria-Membranefiltrationmethod
【原文标准名称】:水质.地表水和废水中大肠杆菌和大肠细菌类的检测和计数.膜过滤法
【标准号】:BSENISO9308-1-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-11-15
【实施或试行日期】:2000-11-15
【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】:分析;细菌;细菌计数方法;细菌学质量;大肠细菌类;定义;测定;含量测定;大肠杆菌;过滤;过滤方法;膜过滤;微生物分析;微生物;饮用水;质量;参考方法;标准方法;测试;验证;水;水质;水质测试
【英文主题词】:Analysis;Bacteria;Bacteriacountmethods;Bacteriologicalquality;Coliformbacteria;Definitions;Determination;Determinationofcontent;Escherichiacoli;Filtration;Filtrationmethod;Membranefiltration;Microbiologicalanalysis;Microorganisms;Potablewater;Quality;Referencemethods;Standardmethods;Testing;Verification;Water;Waterquality;Watertesting
【摘要】:ThispartofISO9308describesareferencemethod(StandardTest)forthedetectionandenumerationofEscherichiacoliandcoliformbacteriainwaterforhumanconsumption.TheStandardTestisbasedonmembranefiltration,subsequentcultureonadifferentialagarmediumandcalculationofthenumberoftargetorganismsinthesample.TheStandardTesthasalowselectivity,allowingthedetectionofinjuredbacteria.Duetothelowselectivity,backgroundgrowthcaninterferewiththereliableenumerationofcoliformbacteriaandE.coli,forexampleinsomedrinkingwaters,likeshallowwellwaters,thathavenotbeendisinfectedandyieldahighbackgroundgrowth.ThispartofISO9308isthereforeespeciallysuitablefordisinfectedwaterandotherdrinkingwatersoflowbacterialnumbers.ThispartofISO9308includesarapidmethod(RapidTest)forthedetectionofE.colionlywithin24hinwaterforhumanconsumption,whichcanbeusefulinspecialcaseswheninformationisneededquickly.TheRapidTestisbasedonmembranefiltration,subsequentcultureunderselectiveconditionsandcalculationofthenumberofE.coliinthesample.StandardandRapidTestsdescribedinthispartofISO9308areapplicabletootherkindsofwaterprovidedthatsuspendedmatterorbackgroundfloradoesnotinterferewithfiltration,cultureandcounting.
【中国标准分类号】:C51
【国际标准分类号】:07_100_20
【页数】:22P;A4
【正文语种】:英语
Product Code:SAE AMS3901/6
Title:Roving, Organic Fiber (Para-Aramid), High Modulus OY 500 (3447)/23.5 Tensile Strength, 17.5 (121)/800 Tensile Modulus 4560 Denier, 0.6% Finish
Issuing Committee:Ams P Polymeric Materials Committee
Scope: This specification covers one type of organic fiber in the form of roving. The product shall be formed as four ends of 1140 denier yarn (AMS 3901/3) collected into an approximately parallel arrangement without twist.