高分子物理选择题题库

让我们看到了如何去做才叫坚定了理想信念，如何去做才算做到了奉献、坚守，做到了一名优秀共产党员应该做到的。rationalconcepttoallownetworkmoreinlinewiththeobjectivelawsofthefuturedevelopmentofthecity.1.5.2planningresearchareas:throughoutthecity,withanareaof13,000km2,cover2districtsand8countiesofthecity,includingdowntownandcitylevels.Planningrange:mainforCityCenterCity,areafor1268km2,NorthtocasesfieldXiang,andJinPingzhen,andGaoDianZhen,andhuangshazhen,andLiuhometownNorthTownshipterritories,EastNanXIZhen,andJiangnanEastTownshipterritories,Southtohorsehome,andsonghome,andLiZhuangZhen,andSouthwidetown,andZhaofieldStreetdoSouthadministrativeborder,Westtobaixizhen,anddishdamtown,andthoughtslopeXiangWestTownshipterritories.1.6planningtarget1.6.1GeneraltargetthisitemsresearchtowillYibincitybuiltYangtzeRiverupstreamchuanYunnanGuizhoucombinedDepartmentRegionalCenterCity,supportcityspaceoforderedexpandfortarget,referenceYibincityintegratedtrafficplanning(2014-2030years)andtheYibinCityCitygeneralplanning(2013-2030years)ofresearchresults,usingscience,andadvancedofnetworkresearchmethod,buildingmorelevel,andmoremodeoftracktrafficsystem,Meetatdifferentlevelsofthecity'srailtransportationneedsandqualityrequirements.1.6.2target1,refinedurbandevelopmentaxisofurbandevelopmentconcepts,judgments,rail-guideddowntownfromsolotogroup-developmentofthenetwork,fromoneCentertocentercitywithaxialdevelopment.2,networkplanningadaptedtoYibinCitystatusandfuturedevelopmentneeds,demonstratesrationalscaleofrailtransporttomeettheneeds1、聚苯乙烯分子中可能呈现的构象是（）。A、无规线团B、折叠链C、螺旋链2、比较一下聚合物的流动性，哪个最好（）。A、MI=0.1B、MI=1C、MI=103、当Mark公式中α为以下何值时，高分子溶液处于θ状态（）。A、α=0.5B、α=0.8C、α=24、以下哪个溶剂是θ溶剂（）。A、χ1=0.1B、χ1=0.5C、χ1=0.95、以下哪种材料的密度最大（）。A、高压聚乙烯B、低压聚乙烯C、聚丙烯6、以下哪种方法可以测定绝对相对分子质量（）。A、VPOB、膜渗透法C、GPC7、结晶度增加，以下哪种性能增加（）。A、透明性B、抗张强度C、冲击强度8、WLF方程不能用于（）。A、测粘度B、测结晶度C、测松弛时间9、球晶的制备应从（）。A、稀溶液B、熔体C、高温高压下10、四元件模型用于模拟（）。A、应力松弛B、蠕变C、内耗11、所有聚合物在在玻璃化转变时，自由体积分数均等于（）。A、0.5%B、1%C、2.5%12、高聚物的应力-应变曲线中哪个阶段表现出强迫高弹性（）。A、大形变B、应变硬化C、断裂13、一般地说，哪种材料需要较高程度的取向（）。A、橡胶B、塑料C、纤维14、对极性高分子，选择溶剂应采用哪一原则更为准确（）。A、极性相似原理B、溶剂化原则C、δ相近原则15、结晶度不能用以下哪种方法测定（）。A、膨胀计法B、双折射法C、热分析法16、玻璃化转变温度不能用以下哪种仪器测定（）。让我们看到了如何去做才叫坚定了理想信念，如何去做才算做到了奉献、坚守，做到了一名优秀共产党员应该做到的。rationalconcepttoallownetworkmoreinlinewiththeobjectivelawsofthefuturedevelopmentofthecity.1.5.2planningresearchareas:throughoutthecity,withanareaof13,000km2,cover2districtsand8countiesofthecity,includingdowntownandcitylevels.Planningrange:mainforCityCenterCity,areafor1268km2,NorthtocasesfieldXiang,andJinPingzhen,andGaoDianZhen,andhuangshazhen,andLiuhometownNorthTownshipterritories,EastNanXIZhen,andJiangnanEastTownshipterritories,Southtohorsehome,andsonghome,andLiZhuangZhen,andSouthwidetown,andZhaofieldStreetdoSouthadministrativeborder,Westtobaixizhen,anddishdamtown,andthoughtslopeXiangWestTownshipterritories.1.6planningtarget1.6.1GeneraltargetthisitemsresearchtowillYibincitybuiltYangtzeRiverupstreamchuanYunnanGuizhoucombinedDepartmentRegionalCenterCity,supportcityspaceoforderedexpandfortarget,referenceYibincityintegratedtrafficplanning(2014-2030years)andtheYibinCityCitygeneralplanning(2013-2030years)ofresearchresults,usingscience,andadvancedofnetworkresearchmethod,buildingmorelevel,andmoremodeoftracktrafficsystem,Meetatdifferentlevelsofthecity'srailtransportationneedsandqualityrequirements.1.6.2target1,refinedurbandevelopmentaxisofurbandevelopmentconcepts,judgments,rail-guideddowntownfromsolotogroup-developmentofthenetwork,fromoneCentertocentercitywithaxialdevelopment.2,networkplanningadaptedtoYibinCitystatusandfuturedevelopmentneeds,demonstratesrationalscaleofrailtransporttomeettheneeds2A、膨胀计B、扭辫仪C、熔融指数仪17、3.4次方幂律适用于()。A、缩聚物B、低相对分子质量加聚物C、高相对分子质量加聚物18、已知[η]=KM，判断以下哪一条正确（）。A、Mη=MnB、Mη=MwC、Mη=Mn=MZ=Mw19、同一高分子样品测定相对分子质量，以下结果哪个正确（）。A、粘度法大于光散射法B、VPO大于粘度法C、粘度法大于端基分析法20、高聚物为假塑性流体，其粘度随剪切速率的增加而（）。A、增加B、减少C、不变21、以下哪种聚合物不存在旋光异构体（）。A、聚丙烯B、聚异丁烯C、聚异戊二烯22、非结晶性高聚物的应-应变曲线不存在以下哪个阶段（）。A、屈服B、细颈化C、应变软化23、PS中苯基的摇摆不属于（）。A、次级松弛B、Tβ转变C、Tα转变24、对交联高聚物，以下的力学松弛行为哪一条正确（）。A、蠕变能回复到零B、应力松弛时应力能衰减到零C、可用四元件模型模拟25、PET淬火样品处于（）。A、非晶玻璃态B、半结晶态C、皮革态26、交联橡胶以下哪一条不正确（）。A、形变很小时符合胡克定律B、具有熵弹性C、拉伸时吸热27、以下使Tg增加的因素哪个不正确（）。A、压力增加B、主链杂原子密度增加C、主链芳环增加28、以下材料哪个内耗最小（）。A、天然橡胶B、丁基橡胶C、顺丁橡胶29、以下哪种聚合物不存在Tg（）。A、齐聚物B、低结晶度且高相对分子质量C、低相对分子质量且高交联度30、纤维与塑料、橡胶相比（）。A、强度较大B、相对分子质量较大C、内聚能密度较小31、刚性增加时，以下哪条不正确（）。A、Tb增加B、Tf增加C、Tg~Tb增加让我们看到了如何去做才叫坚定了理想信念，如何去做才算做到了奉献、坚守，做到了一名优秀共产党员应该做到的。rationalconcepttoallownetworkmoreinlinewiththeobjectivelawsofthefuturedevelopmentofthecity.1.5.2planningresearchareas:throughoutthecity,withanareaof13,000km2,cover2districtsand8countiesofthecity,includingdowntownandcitylevels.Planningrange:mainforCityCenterCity,areafor1268km2,NorthtocasesfieldXiang,andJinPingzhen,andGaoDianZhen,andhuangshazhen,andLiuhometownNorthTownshipterritories,EastNanXIZhen,andJiangnanEastTownshipterritories,Southtohorsehome,andsonghome,andLiZhuangZhen,andSouthwidetown,andZhaofieldStreetdoSouthadministrativeborder,Westtobaixizhen,anddishdamtown,andthoughtslopeXiangWestTownshipterritories.1.6planningtarget1.6.1GeneraltargetthisitemsresearchtowillYibincitybuiltYangtzeRiverupstreamchuanYunnanGuizhoucombi