您的位置: 标准下载 » 国际标准 » DIN 德国标准 »

DIN 46443-1972 精细交织扁平铜绞索

作者:标准资料网 时间:2024-05-21 00:24:29  浏览:8760   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Webbedflatstrandedropesofcopper
【原文标准名称】:精细交织扁平铜绞索
【标准号】:DIN46443-1972
【标准状态】:作废
【国别】:德国
【发布日期】:1972-10
【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】:扁缆;材料;质量(物质);铜
【英文主题词】:Copper;Flatropes;Mass;Materials
【摘要】:Webbedflatstrandedropesofcopper
【中国标准分类号】:K13;H62
【国际标准分类号】:77_150_30
【页数】:2P;A4
【正文语种】:德语


下载地址: 点击此处下载
【英文标准名称】:Pulps-Estimationofdirtandshives-Part2:Inspectionofmillsheetedpulpbytransmittedlight(ISO5350-2:2006);GermanversionENISO5350-2:2006
【原文标准名称】:纸浆.污物和碎片的估计.第2部分:用发射灯检验成薄纸形的纸浆(ISO5350-2-2006)
【标准号】:ENISO5350-2-2006
【标准状态】:现行
【国别】:
【发布日期】:2006-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:弓形;定义;测定;含量测定;污垢;估计;评定;纤维;杂质;材料试验;方法;纸浆;抽样方法;碎片;试验;试验装置;发射灯
【英文主题词】:Arched;Definitions;Determination;Determinationofcontent;Dirt;Estimation;Evaluations;Fibres;Impurities;Materialstesting;Methods;Paperpulp;Pulp;Samplingmethods;Splinters;Testing;Testingdevices;Transmittedlights
【摘要】:
【中国标准分类号】:Y31
【国际标准分类号】:85_040
【页数】:16P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforAdenosineTriphosphate(ATP)ContentofMicroorganismsinWater
【原文标准名称】:水中微生物的三磷酸腺甙含量的标准试验方法
【标准号】:ASTMD4012-1981(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1981
【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】:
【英文主题词】:Adenosinetriphosphate(ATP)content;ATPfireflymethod;Biomass;Filters/filterprocedures--watertesting;Microorganisms;Opticalmaterials/properties/tests--water;Organiccompounds--water;Pathogens--water;Photoluminescence;Sludge;Toxicity/toxicol
【摘要】:Arapidandroutineprocedurefordeterminingbiomassofthelivingmicroorganismsincultures,waters,wastewaters,andinplanktonandperiphytonsamplestakenfromsurfacewatersisfrequentlyofvitalimportance.However,classicaltechniquessuchasdirectmicroscopecounts,turbidity,organicchemicalanalyses,celltagging,andplatecountsareexpensive,time-consuming,ortendtounderestimatetotalnumbers.Inaddition,someofthesemethodsdonotdistinguishbetweenlivingandnonlivingcells.TheATPfirefly(luciferin-luciferase)methodisarapid,sensitivedeterminationofviablemicrobialbiomass.ATPistheprimaryenergydonorforlifeprocesses,doesnotexistinassociationwithnonlivingdetritalmaterial,andtheamountofATPperunitofbiomass(expressedinweight)isrelativelyconstant.(ATPpercellvarieswithspeciesandphysiologicalstateoftheorganism.)Thistestmethodcanbeusedto:Estimateviablemicrobialbiomassincultures,waters,andwastewaters.Estimatetheamountoftotalviablebiomassinplanktonandperiphytonsamples.EstimatethenumberofviablecellsinaunispeciescultureiftheATPcontent(oriftheaverageamountofATP)percellisknown.Estimateanddifferentiatebetweenzooplanktonic,phytoplanktonic,bacterial,andfungalATPthroughsizefractionationofwater,andwastewatersamples.Measurethemortalityrateofmicroorganismsintoxicitytestsinentrainmentstudies,andinothersituationswherepopulationsorassemblagesofmicroorganismsareplacedunderstress.1.1Thistestmethodcoversthemeasurementofadenosinetriphosphate(ATP)inmicroorganismsinconcentrationsnormallyfoundinlaboratorycultures,waters,wastewaters,andinplanktonandperiphytonsamplesfromwaters.1.2KnowledgeoftheconcentrationofATPcanberelatedtoviablebiomassormetabolicactivity,orbyutilizinganaverageconcentration(oramount)ofATPpercell,anestimatedcountofmicroorganismscanbeobtainedinthecaseofunispeciescultures.1.3Thistestmethodoffersahighdegreeofsensitivity,rapidity,accuracy,andreproducibility.However,extremecaremustbetakenateachstepintheanalysistoensuremeaningfulandreliableresults.1.4Theanalystshouldbeawarethattheprecisionstatementpertainsonlytodeterminationsinreagentwaterandnotnecessarilyinthematrixbeingtested.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:4P.;A4
【正文语种】:英语