【英文标准名称】:Informationtechnology—StreamingLosslessDataCompressionalgorithm(SLDC)
【原文标准名称】:信息技术.流动无损耗数据压缩规则系统(SLDC)
【标准号】:ANSIISO/IEC22091-2002(R2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002-09-15
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesalosslesscompressionalgorithmtoreducethenumberof8-bitbytesrequiredtorepresentdatarecordsandFileMarks.ThealgorithmisknownasStreamingLosslessDataCompressionalgorithm(SLDC).Onebuffersize(1024bytes)isspecified.ThenumericalidentifieraccordingtoISO/IEC11576allocatedtothisalgorithmis6.
【中国标准分类号】:L70
【国际标准分类号】:35_220_20
【页数】:16P.;A4
【正文语种】:英语


【英文标准名称】:Animalfeedingstuffs-DeterminationofOC-pesticidesandPCB'sbyGC/MS;GermanversionEN15741:2009
【原文标准名称】:动物饲料填料.利用GC/MS对多氯化联(二)苯(PCB's)和OC杀虫剂的测定.德文版本EN15741-2009
【标准号】:DINEN15741-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-06
【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】:农业;艾氏剂;饲料;化学分析和试验;色谱法;滴滴涕;定义;含量测定;测量规程;狄氏剂;异狄氏剂;气相色谱法;六氯苯;六氯环己烷;实验室间试验;质谱学;数学计算;方法;多氯联苯;农药;污染物浓度;污染物;多氯化联二苯;残留试验;残留物
【英文主题词】:Agriculture;Aldrin;Animalfeed;Chemicalanalysisandtesting;Chromatography;DDT;Definitions;Determinationofcontent;Determinationprocedures;Dieldrin;Endrin;Gaschromatography;Hexachlorobenzene;Hexachlorocyclohexane;Inter-laboratorytests;Massspectrometry;Mathematicalcalculations;Methods;PCB;Pesticides;Pollutantconcentration;Pollutants;Polychlorinatedbiphenyls;Residuetests;Residues
【摘要】:ThisEuropeanStandardspecifiesagaschromatographic/massspectrometricmethodforthedeterminationoforganochlorinepesticides(OC's)andpolychlorinatedbiphenyls(PCBs)inanimalfeedingstuffsandoil.Themethodisapplicabletoanimalfeedingstuffswithawatercontentuptoabout20wt%andoil/fattysamplescontainingresiduesofoneormoreofthefollowingOC'sandPCBsandsomeoftheirisomersanddegradationproducts:--Aldrin;--Dieldrin;--Chlordane(=sumofChlordaneisomersandOxychlordane);--DDT(=sumofisomersop'-DDT,pp'-DDT,pp'-TDE(pp'-DDD),andpp'-DDE);--Endosulfan(sumofα/β-isomersandEndosulfan-sulphate);--Endrin;--Heptachlor(=sumofHeptachlorandβ-Heptachlorepoxide);--Hexachlorobenzene(HCB);--Hexachlorocyclohexaneisomers(α-HCH(α-BHC),β-HCH(β-BHC),γ-HCH(γ-BHCorlindane);--PCB28,52,101,138,153and180("IndicatorPCBs")andPCB198,209.ThemethodisnotyetapplicabletoChlorocamphene(Toxaphene),acomplexmixtureofpolychlorinatedcamphenes.ChlorocamphenehasaverydistinctivechromatographicprofileandiseasilyrecognisablebyGC/ECD.Positiveidentificationofthetoxapheneisomerscanbeperformedbynegativechemicalionisationmassspectrometry(NCI-MS),electronimpacttandemmassspectrometry(EI-MSxMS)orelectronimpacthighresolutionmassspectrometry(EI-HRMS)[1],whichisnotwithinthescopeofthismethod.ThelimitofquantificationforthementionedorganochlorinepesticidesandPCBsis5ng/gingeneral.However,10ng/gappliesforHeptachlorAldrin,Endrin,Dieldrin,andEndosulfan(α-,β-andsulphate).Individuallaboratoriesareresponsibletoensurethattheequipmenttheyusedwillachievetheselimitsofquantifications.
【中国标准分类号】:B46
【国际标准分类号】:65_120
【页数】:27P.;A4
【正文语种】:德语