您的位置: 标准下载 » 美军标 MIL » MIL-STD »

MIL-STD-480B (NOTICE 1)

作者:标准资料网 时间:2024-05-17 01:32:38  浏览:8194   来源:标准资料网
下载地址: 点击此处下载
MIL-STD-480B (NOTICE 1), MILITARY STANDARD: CONFIGURATION CONTROL - ENGINEERING CHANGES, DEVIATIONS AND WAIVERS (17 JUL 1992) [S/S BY MIL-STD-973]., MIL-STD-480B, dated 15 July 1988, is hereby canceled. The contents of this standard have been incorporated into MIL-STD-973, 鈥淐onfiguration Management.鈥?MIL-STD-481A
下载地址: 点击此处下载
【英文标准名称】:Safetyofmachinery-Systemofauditoryandvisualdangerandinformationsignals.
【原文标准名称】:机械的安全性.可听的和可视的危险信号及信息信号系统
【标准号】:NFX35-118-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-11-01
【实施或试行日期】:2008-11-22
【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】:声信号;可听信号;色灯信号机(铁路);危险信号;定义;设计;人类工效学;指示灯;信息;光信号;机械;安全;安全色;机械安全;安全要求;信号;规范(验收);可视信号;警告装置
【英文主题词】:Acousticsignals;Audiblesignal;Colour-lightsignals(railways);Dangersignals;Definition;Definitions;Design;Ergonomics;Indicatorlights;Information;Lightsignals;Machines;Safety;Safetycolours;Safetyofmachinery;Safetyrequirements;Signals;Specification(approval);Visualsignals;Warningdevices
【摘要】:
【中国标准分类号】:C66
【国际标准分类号】:13_110
【页数】:15P;A4
【正文语种】:其他


【英文标准名称】:StandardTestMethodsforSulfate-ReducingBacteriainWaterandWater-FormedDeposits
【原文标准名称】:水和水形成沉积物中硫酸盐还原菌的标准试验方法
【标准号】:ASTMD4412-1984(2002)
【标准状态】:现行
【国别】:
【发布日期】:1984
【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】:D19.24
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:硫酸盐还原细菌;沉积物;细菌纲;试验;水
【英文主题词】:water;water-formeddeposits;sulfate;sulfate-reducingbateria
【摘要】:Sulfate-reducingbacteriaarewidelydistributedinmarineandfreshwatermudswhich,inconsequence,frequentlyareladenwiththehydrogensulfideproducedbytheseorganismsduringdissimilatorysulfatereduction.IthasbeenreportedthatDesulfovibriocanformasmuchas10gofsulfideperlitreduringactivemultiplication.Sulfate-reducingbacteriacancausetheexternalorinternalcorrosionofwaterorwastewaterpipelinesandpipelinesforpetroleumandnaturalgas.Theformationofgalvaniccellsbymassivegrowthofsulfate-reducingbacteriaundersuitableconditionsmakesthecorrosionmuchworsethanjusttheeffectofthehydrogensulfideonthemetalorconcrete.1.1Thesetestmethodscovertheprocedureforthedetectionandenumerationbythemostprobablenumber(MPN)techniqueofsulfate-reducingbacteriainwaterorwater-formeddeposits.1.2Twomediapreparationsareprovided.MediumAwhichispreparedwithreagentgradewater,andMediumBwhichispreparedusingthewatertobesampledasthewatersource.MediumBisofferedforthosespecialconditionswheresulfate-reducingbacterialstrainshaveadaptedtoatypicalnon-freshwaterenvironment.1.3Fortheisolationandenumerationofthermophilicsulfate-reducingbacteriaencounteredinwatersassociatedwithoilandgasproduction,allbroths,dilutionblanks,andincubationsmustbemaintainedattemperaturesofatleast45176;Candpreferablywithin5176;Catthesampletemperature.1.4Thesensitivityofthesetestmethodscanbeincreasedbypurgingthedilutionblanksandtubesofmediawithnitrogenimmediatelypriortouse.1.5TheanalystshouldbeawarethatadequatecollaborativedataforprecisionandbiasstatementsasrequiredbyPracticeD2777arenotprovided.SeeSection11fordetails.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:07_100_20(MICROBIOLOGYOFWATER)
【页数】:3P.;A4
【正文语种】: