HG/T 21582-1995 L60型风机逆流式冷却塔通用图
作者:标准资料网 时间:2024-05-29 10:51:20 浏览:8974
来源:标准资料网
基本信息
标准名称: | L60型风机逆流式冷却塔通用图 |
中标分类: |
化工 >>
化工机械与设备 >>
化工设备 |
ICS分类: |
化工技术 >>
化工设备
|
发布日期: | 1900-01-01 |
实施日期: | 1992-01-01 |
首发日期: | 1900-01-01 |
作废日期: | 2010-01-20 |
出版日期: | 1900-01-01 |
适用范围
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前言
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目录
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引用标准
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所属分类: 化工 化工机械与设备 化工设备 化工技术 化工设备
【英文标准名称】:Microbiologyoffoodandanimalfeedingstuffs-HorizontalmethodsforthedetectionandenumerationofEnterobacteriaceae-Part2:Colony-countmethod(ISO21528-2:2004)
【原文标准名称】:食品和动物饲料的微生物学.肠杆菌科探测和技术用水平法.第2部分:菌落计数法(ISO21528-2:2004)
【标准号】:DINISO21528-2-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Agriculturalproducts;Bacteria;Colonycounttechniques;Culturemedia;Definitions;Determination;Enterobacteriaceae;Foodproducts;Incubation;Inoculation;Microbiologicalanalysis;Microbiology;Microorganisms;Testing
【摘要】:ThispartofDINISO21528specifiesamethodforthedetectionandenumerationofEnterobacteriaceaebycolony-countmethod.
【中国标准分类号】:C53
【国际标准分类号】:07_100_30
【页数】:15P.;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforTestingVerticalStripDrainsintheCrimpedCondition
【原文标准名称】:测试压接条件下垂直带材排水管的标准试验方法
【标准号】:ASTMD6918-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D35.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:constanthead;crimped;flowvelocity;percentchange;uncrimped;verticalstripdrainconfinedcrimptest;Constantheadtesting;Crimpedflowtesting;Drainagematerials/systems;Flowandflowrate--water;Performance--drainagematerials/applications;S
【摘要】:Thistestmethodisconsideredsatisfactoryfortheacceptanceofcommercialshipmentsofverticalstripdrains.Incaseofdisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisanystatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatashomogenousaspossible,andthatarefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldberandomlyassignedinnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforethestartoftesting.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinlightoftheknownbias.Verticalstripdrainsareinstalledinareaswhereitisdesiredtoincreasetherateofsoilconsolidation.Ithasbeenshownthatasthesoilaroundtheverticalstripdrainconsolidates,acrimpmayformintheverticalstripdrainduetothemovementofthedrainintheareaofsoilconsolidation.Thistestmethodcanbeusedtoevaluateifthereisanyreductioninflowrateofwaterthroughthedrainduetothecrimping,andwhateffect,ifany,thiscrimpingmayhaveontherateofconsolidationofthesoil.1.1Thistestmethodisaperformancetestthatmeasurestheeffectcrimpinghasontheabilityofverticalstripdrainstotransmitwaterparalleltotheplaneofthedrain.1.2Thistestmethodisapplicabletoallverticalstripdrains.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q81
【国际标准分类号】:91_060_20
【页数】:6P.;A4
【正文语种】:英语