BS 146-1947 硅酸盐高炉水泥规范

上一篇: BS 12-1947 硅酸盐水泥规范
下一篇: DIN 4701-1947 建筑物需要热量的计算规则.计算基础

【英文标准名称】:Plastics-Determinationofapparentdensityofmaterialthatcanbepouredfromaspecifiedfunnel
【原文标准名称】:塑料.可由专用漏斗注入的材料的表观密度测定
【标准号】:BSENISO60-2000
【标准状态】:现行
【国别】:英国
【发布日期】:1978-03-31
【实施或试行日期】:1978-03-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:粒状材料;塑料;设计;模制;塑料和橡胶技术;尺寸;密度测量;试验设备;高聚物
【英文主题词】:Bulkdensity;Definition;Definitions;Density;Densitymeasurement;Determination;Determinationprocedures;Funnels(laboratory);Inspection;Mouldingmaterials;Mouldings(shapedsection);Physicaltesting;Plastics;Pourtest;Testequipment;Testing;Tests
【摘要】:1ThisInternationalStandardspecifiestwoempiricalmethodsforthequantitativedeterminationofthelossofmassfromaplasticmaterialunderdefinedconditionsoftimeandtemperature,inthepresenceofactivatedcarbon.2Thesemethodsareused,inparticular,forthequantitativedeterminationofthelossonheatingofplasticizersfromplasticizedplasticmaterialsinwhichcaseitisgenerallyassumedthatnosignificantamountsofothervolatilematerialsarepresent.3Theseareempiricaltestmethods,onlysuitableforaratherrapidcomparisonofthelossesofplasticizersor,ingeneral,ofvolatilecompounds,fromdifferentplastics.4Theymayalsobeemployedforthecomparisonofdifferenttypesofplasticizers;inthiscasestandardcompoundsshouldbeprepared,onthebasisofawellcharacterizedresin,withknownratiosofresintoplasticizer.NOTE—Thesecomparisonsarepossibleonlyifthetestspecimensareofthesamethickness.Ifitcanbeassumedthat,afterrecon-ditioning,themoisturecontentoftheexposedspecimensisequaltothatobtainingaftertheoriginalconditioning,theeffectofmoisturemaybeignored.5Twomethodsarespecified:MethodA:thetestspecimensareindirectcontactwiththecarbon;thismethodisparticularlyusefulformaterialswhichhavetobetestedatrelativelylowtemperaturesbecausetheyflowathighertemperatures.MethodB:thetestspecimensareplacedinwirecageswhichpreventdirectcontactbetweenthetestspecimensandthecarbon.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:8P.;A4
【正文语种】:英语


【英文标准名称】:Informationtechnology-Codingofaudio-visualobjects-Part5:ReferenceSoftwareAMENDMENT7:AFXreferencesoftwareextensions
【原文标准名称】:信息技术.视听对象编码.第5部分:参考软件.修改件7:动画框架的扩展(AFX)参考软件的扩展版本
【标准号】:ANSI/INCITS/ISO/IEC14496-5AMD7-2009
【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】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声信号;视听的;代码表示;编码(数据转换);计算机软件;数据处理;编码;(数据)格式;图形数据处理;图像处理;信息交换;信息技术;多媒体;对象;参考材料;参考;视频信号
【英文主题词】:Acousticsignals;Audiovisual;Codedrepresentation;Coding(dataconversion);Computersoftware;Dataprocessing;Encoding;Formats;Graphicdataprocessing;Imageprocessing;Informationinterchange;Informationtechnology;Multimedia;Object;Referencematerials;References;Videosignals
【摘要】:
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:
【正文语种】:英语