GB/T 17037.4-2003 塑料 热塑性塑料材料注塑试样的制备 第4部分:模塑收缩率的测定
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来源:标准资料网
基本信息
| 标准名称： | 塑料 热塑性塑料材料注塑试样的制备 第4部分:模塑收缩率的测定 |
| 英文名称： | Plastic--Injection moulding of test specimens of thermoplastic materials--Part 4:Determination of moulding shrinkage |
| 中标分类： |
化工 >>
合成材料 >>
合成树脂、塑料基础标准与通用方法 |
| ICS分类： |
橡胶和塑料工业 >>
塑料 >>
热塑性塑料
|
| 发布部门： | 中华人民共和国国家质量监督检验检疫总局 |
| 发布日期： | 2003-02-01 |
| 实施日期： | 2003-07-01 |
| 首发日期： | 2003-02-10 |
| 作废日期： | 1900-01-01 |
| 主管部门： | 中国石油和化学工业协会 |
| 归口单位： | 全国塑料标准化技术委员会 |
| 起草单位： | 北京燕化石油化工股份有限公司 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2004-04-11 |
| 页数： | 平装16开， 页数：11， 字数：17千字 |
| 书号： | 155066.1-19479 |
适用范围
ＧＢ／Ｔ１７０３７的本部分规定在平行和垂直于熔体流动方向上的模塑收缩率和模塑后收缩率的测定方法。本部分规定的模塑收缩率指自由收缩率，不包括吸湿的影响。
前言
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目录
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引用标准
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所属分类： 化工 合成材料 合成树脂 塑料基础标准与通用方法 橡胶和塑料工业 塑料 热塑性塑料
【英文标准名称】:Soundandtelevisionbroadcastreceiversandassociatedequipment-Radiodisturbancecharacteristics-Limitsandmethodsofmeasurement
【原文标准名称】:声音和电视广播接收机及相关设备.无线电干扰特性.测量方法与限值
【标准号】:BSEN55013-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-12-03
【实施或试行日期】:2001-12-03
【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】:无线电接收机;电视接收机;乱真信号;无线电干扰;声音广播;通信设备;电磁辐射;电视广播
【英文主题词】:Broadcastengineering;Broadcastreceivers;Broadcasting;Definition;Definitions;Electricpower(wattage);Electricalengineering;Electricalmeasurement;Electromagneticcompatibility;Electromagneticinterferences;Electromagneticradiation;Electromagnetictests;EMC;Entertainmentelectronics;Fieldstrength(electric);Highfrequencies;Interferencesuppression;Limits(mathematics);Measurement;Measuringinstruments;Measuringtechniques;Methodsformeasuring;Noisevoltage;Properties;Radiodisturbances;Radioequipment;Radiointerferencepower;Radiointerferencevoltage;Radiointerferences;Radiointerferencesfieldstrength;Radioreceivers;Receivers;Soundbroadcasting;Television;Televisionbroadcasting;Televisionreceivers;Testing;Videoequipment;Voltage
【摘要】:ThisInternationalStandardappliestothegenerationofelectromagneticenergyfromsoundandtelevisionreceiversforthereceptionofbroadcastandsimilartransmissionsandfromassociatedequipment.Thefrequencyrangecoveredextendsfrom9kHzto400GHz.Nomeasurementsneedbeperformedatfrequencieswherenolimitsarespecified.Receivingsystemsforcollectivereception,inparticular:-cabledistributionheadends(CommunityAntennaTelevision,CATV);-communityreceptionsystems(MasterAntennaTelevision,MATV)arecoveredbyIEC60728-2.Informationtechnologyequipment(ITE)isexcluded,evenifintendedtobeconnectedtoatelevisionbroadcastreceiver.Thetelecommunicationportofbroadcastreceivers,intendedtobeconnectedtoatele-communicationnetwork,iscoveredbyCISPR22.Inaddition,measurementsatthetelecommunicationportareperformedwiththebroadcastreceptionfunctions,whichareindependentfromthetelecommunicationfunction,disabledduringthemeasurement.PCtunercardsaremeasuredaccordingtotherelevantclausesofthisstandard.Thisstandarddescribesthemethodsofmeasurementapplicabletosoundandtelevisionreceiversorassociatedequipmentandspecifieslimitsforthecontrolofdisturbancefromsuchequipment.Formultifunctionequipmentwhichissubjectedsimultaneouslytodifferentclausesofthisstandardand/orotherstandards,detailsaregivenin4.1.
【中国标准分类号】:M36
【国际标准分类号】:33_100_10;33_160_01
【页数】:48P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforAssessmentofCompatibilityofAbsorbable/ResorbableBiomaterialsforImplantApplications
【原文标准名称】:植入用可吸收和再吸收的生物材料的兼容性评定的标准实施规程
【标准号】:ASTMF1983-1999(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:F04.16
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:absorbables;biocompatibility;degradables;implantation;resorbables;Absorbable/resorbablebiomaterials;Biocompatibility;Compatibility;Degradation--surgicaldevices/applications;Implantablesurgicalmaterials/applications;Resorbables;Tissuere
【摘要】:Thispracticeisaguidelineforascreeningtestfortheevaluationofthelocaltissueresponsetomaterialsthatmaybeselectedforimplantationintothehumanbodyandwhichareexpectedtoundergodegradationbyabsorptionorresorptionwithinthreeyears.Thispracticeissimilartothatforstudiesoncandidatematerialsthatarenotresorbable,suchasthosespecifiedinPracticesF763,F981,andF1408;however,analysisofthehostresponsemusttakeintoaccounttheeffectofdegradationanddegradationproductsontheinflammatoryresponseatthelocaltissuesiteandonsubsequenthealingoftheimplantationsite.Thematerialtobetestedshouldbeinthefinalfinishedformasforintendeduse,includingsterilization.Material/bodyratiosshouldberelevanttothatofintendeddeviceuse.Materialsurfaceareaormasstobodymassratiosof1X,10X,and50Xifapplicable,arerecommended.Materialsthataredesignedforuseindeviceswithinsitupolymerizationshallbeintroducedinamannersuchthatinsitupolymerizationoccurs.Testingofindividualprecursorcomponentsisnotrecommended.1.1Thispracticeprovidesexperimentalprotocolsforbiologicalassaysoftissuereactionstoabsorbable/resorbablebiomaterialsforimplantapplications.Thispracticeappliesonlytoresorbable/absorbablematerialswithprojectedclinicalapplicationsinwhichthematerialswillresideinboneorsofttissuelongerthan30daysandlessthanthreeyears.Otherstandardswithdesignatedimplantationtimesareavailabletoaddresstheshortertimeperiods.Carefulconsiderationshouldbegiventotheappropriatenessofthispracticeforslowlydegradingmaterialsthatwillremainforlongerthanthreeyears.Itisanticipatedthatthetissueresponsetodegradingbiomaterialswillbedifferentfromtheresponsetononresorbablematerials.Inmanycases,achronicinflammatoryresponsemaybeobservedduringthedegradationphase,butthelocalhistologyshouldreturntonormalafterdegradation;therefore,theminimaltissueresponseusuallyequatedwithx201C;biocompatibilityx201D;mayrequirelongimplantations.1.2Thetimeperiodforimplantdegradationwillvarydependingonchemicalcompositionandimplantsize;therefore,theimplantationtimesforexaminationoftissueresponsewillbelinkedtotherateofresorption.Nosingleimplantationtimeisindicatedinthispractice.1.3Theseprotocolsassesstheeffectsofthematerialontheanimaltissueinwhichitisimplanted.Theexperimentalprotocolsdonotfullyassesssystemictoxicity,carcinogenicity,teratogenicity,ormutagenicityofthematerial.Otherstandardsareavailabletoaddresstheseissues.1.4Tomaximizeuseoftheanimalsinthestudyprotocol,alltoxicologicalfindingsshouldberecorded.Therearesomeaspectsofsystemictoxicity,includingeffectsofdegradationproductsonthetargetorgans,thatcanbeaddressedwiththispractice,andtheseeffectsshouldbedocumentedfully.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C45
【国际标准分类号】:11_040_40
【页数】:5P.;A4
【正文语种】:英语
