【英文标准名称】:Informationtechnology-Securitytechniques-Non-repudiation-General
【原文标准名称】:信息技术.安全性技术.不否定.总则
【标准号】:BSISO/IEC13888-1-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-12-15
【实施或试行日期】:1998-12-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:数字信号;数据安全;数据处理;数据布置;信息交流;文电;数据存储保护;密码;计算机应用;保密技术(软件);标记(数据传输);通信规程;安全(信息系统);验证;软件工程技术;识别方法
【英文主题词】:definitions;datasecurity;dataprocessing;informationtechnology;dataprotection;patterns;informationinterchange;specification(approval)
【摘要】:
【中国标准分类号】:A90
【国际标准分类号】:35_040
【页数】:16P;A4
【正文语种】:英语


【英文标准名称】:SpecificationforUnmodifiedPoly(VinylideneFluoride)(PVDF)Molding,Extrusion,andCoatingMaterials(08.03)
【原文标准名称】:未改性聚偏氟乙烯模塑、挤塑和涂覆材料规范
【标准号】:ANSI/ASTMD3222-1999
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【实施或试行日期】:1997-10-23
【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】:挤压;塑料
【英文主题词】:extruding;plastics
【摘要】:Thisspecificationcoversmeltprocessablemoldingandextrusionmaterials,aswellascoatingmaterialsofpoly(vinylidenefluoride)fluoroplastic,commonlyabbreviatedPVDF(orPVF2inscientificliterature).Thisspecificationcoversthermoplasticresinmaterialssuppliedinpelletorpowderform.Thisspecificationappliesonlytothevirginhomopolymerpreparedfromvinylidenefluoride,notcopolymers,reinforced,filledgradesorspecialgradeswithadditivesortreatmentsformodificationofattributes.ThetestsinvolvedareintendedtoprovideinformationforspecificationofunmodifiedPVDFhomopolymerresins.Itisnotthepurposeofthisspecificationtoprovideengineeringdatafordesignpurposes.PVDFfluoroplasticsmeltbetween156and180?C[312and356?F]andarethermallystableuptoabout370?C[698?F].(Warning-Evolutionofcorrosiveandtoxichydrogenfluoridecanoccurundercertainconditions.)ThevaluesstatedinSIunits,asdetailedinIEEE/SI-10,aretoberegardedasthestandard.Thevaluesgiveninbracketsareforinformationonly.Note1-PVDFexhibitspolymorphism.Thetypeandextentofcrystallinestructurevarieswiththethermomechanicalhistoryofthesample.Specimenspreparedbytechniquesdifferentthanprescribedinthisspecificationcanhavepropertiesthatvaryfromthevaluesspecified.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection10.Note2-ThereisnoequivalentISOstandardforthisspecification.InformationinthisspecificationistechnicallyequivalenttorelatedinformationinISO12086-1andISO12086-2.
【中国标准分类号】:G32
【国际标准分类号】:83_080_20
【页数】:
【正文语种】:英语