MIL-P-25604D
作者:标准资料网 时间:2024-05-19 01:27:37 浏览:8950
来源:标准资料网
MIL-P-25604D, MILITARY SPECIFICATION: PROPELLANT, UNS-DIMETHYLHYDRAZINE (23 MAY 1969) [S/S BY MIL-PRF-25604E]., This specification covers the requirements for unsymmetrical dimethylhydrazine (CH3)2NNH2 propellant (UDMH).
【英文标准名称】:Plastics-Determinationofthemolecularmassandmolecularmassdistributionofpolymerspeciesbymatrix-assistedlaserdesorption/ionizationtime-of-flightmassspectrometry(MALDI-TOF-MS)(ISO10927:2011);GermanversionENISO10927:2011
【原文标准名称】:塑料.用辅助矩阵激光吸附/电离飞行时间质谱法测定聚合物物种的分子质量和分子质量分布(MALDI-TOF-MS)(ISO10927-2011).德文版本ENISO10927-2011
【标准号】:DINENISO10927-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-07
【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】:校准;定义(术语);解吸;质量分布;电离;质谱学;矩阵;摩尔质量;分子质量;塑料;高聚物;质量控制;抽样方法;试样制备;光谱测定法
【英文主题词】:Calibration;Definitions;Desorption;Distributionofmass;Ionization;Massspectrometry;Matrices;Molarmass;Molecularmass;Plastics;Polymers;Qualitycontrol;Samplingmethods;Specimenpreparation;Spectrometry
【摘要】:ThisInternationalStandardspecifiesageneralmethodfordeterminingtheaveragemolecularmassandmolecularmassdistributionofpolymersfrom2000gmol1to20000gmol1bymatrix-assistedlaserdesorption/ionizationtime-of-flightmassspectrometry(MALDITOFMS).Theaveragemolecularmassesandmolecularmassdistributionsarecalculatedfromacalibrationcurveconstructedusingsynthetic-polymerand/orbiopolymerstandards.Thismethodisthereforeclassifiedasarelativemethod.Themethodisnotapplicabletopolyolefinsortopolymerswithapolydispersity>1,2.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:19P.;A4
【正文语种】:英语
【英文标准名称】:Concreteroofingtilesandfittingsforroofcoveringandwallcladding.Productspecifications
【原文标准名称】:屋顶覆盖物和墙面饰层用混凝土屋面瓦及配件.产品规范
【标准号】:BSEN490-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2012-01-31
【实施或试行日期】:2012-01-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:IEC/TC55
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:CEmarking;Certificatesofconformity;Certification;Certification(approval);Checks;Coatings;Concreteblocks;Concretes;Conformity;Construction;Constructionmaterials;Constructionalproducts;Definitions;Designations;Durability;Evaluations;Exteriorwallcoverings;Fireconditions;Fixings;Foreignsurveillance;Frost-thawresistance;Inspection;Interiorwallcoverings;Loadcapacity;Marking;Mouldedbricks;Objection;Organic;Precastconcreteparts;Productspecification;Productioncontrol;Properties;Qualificationtests;Qualityassurance;Qualitycontrol;Resistance;Roofcovering;Roofcoverings;Roofingtiles;Roofs;Samplingmethods;Specification(approval);Stone;Surfacespreadofflame;Surfaces;Symbols;Taking-out;Terms;Verification;Wallcoverings
【摘要】:
【中国标准分类号】:Q14
【国际标准分类号】:91_100_30
【页数】:32P;A4
【正文语种】:英语
