简介:有在粒子的核心的高carboxyl内容的没有肥皂的吸水恐水病的核心壳乳胶粒子经由播种乳剂被综合聚合使用甲基methacrylate(MMA),丁基acrylate(BA),甲基丙烯酸(MAA),苯乙烯(圣)和乙烯乙二醇dimethacrylate(EGDMA)作为单体,并且在聚合,粒子尺寸和形态学上在核心准备使用的MMA内容的影响被传播电子显微镜学调查,动态轻散布结果证明播种乳剂聚合能用当在核心准备的MAA内容是时,喂过程的饥饿的单体顺利被执行平等者到或不到24wt%,并且有恐水病的PSt壳的吸水的P(MMA-BA-MAA-EGDMA)核心的包含的效率随MAA内容的增加减少了。当有中等极性的P(MMA-MAA-St)的夹层在P(MMA-BA-MAA-EGDMA)核心和PSt壳之间被插入时,井在核心准备与24wt%MAA内容设计了没有肥皂的吸水恐水病的核心壳乳胶粒子被获得。
简介:<正>Purpose:Todeterminetheintra-testerreliabilityofclinicalmeasurementsthatassessfivecomponentsrelatedtocorestability:strength.endurance,flexibility,motorcontrol,andfunction.Methods:Participantswere15college-agedmaleswhohadnotsufferedanyorthopedicinjuryinthepastyear.Corestrengthmeasurementsincludedeightisometrictestsandasit-uptest.Thefourcoreendurancetestswerethetrunkflexortest,trunkextensortest,andbilateralsidebridgetests.Flexibilitytestsincludedthesit-and-reachtestandactiverangeofthetrunkandhipjointmotions.Proprioceptionviapassiverepositiontestsofthehipsandasinglelimbbalancetestonanunsteadyplatformwereusedtoevaluatecoremotorcontrol.Functionalmeasurementsconsistedofasquattestandasingleleghoptestfortimeanddistance.Measurementswereperformedduringtwodatacollectionsessionswithaweek’srestbetweenthesessions.Intra-classcorrelationcoefficientswerecalculatedtoestablishreliability.Results:Theoverallintra-raterreliabilityforallcorestabilityrelatedmeasurementsrangedfromlow(ICC=0.35,lefthipreposition)toveryhigh(ICC=0.98,sit-and-reach).Asagroup,thecoreendurancetestswereobservedtobethemostreliable.Conclusion:Therearehighlyreliabletestsineachofthefivegroups.Overall,coreendurancetestsarethemostreliablemeasurements,followedbytheflexibility,strength,neuromuscularcontrol,andfunctionaltests,respectively.
简介:ThesocialistcorevaluesystemisanimportantstrategicsystemofthoughtproposedonthebasisofMarxistprinciplesandsummarizingtheexperienceofconstructingsocialismwithChinesecharacteristics.'Thesocialistcorevaluesystemistheembodimentoftheessenceofsocialistideology.'1ItistheinternalsubstanceandsoulofthesocialistsystemwithChinesecharacteristics,layingdowntherequirementsanddirectionforitsconstruction,andguidinghumanrightsdevelopmentunderit.ThetheorysystemofsocialismwithChinesecharacteristics
简介:photonic水晶的热性质有18个循环地分布式的核心的纤维(PCF)激光被使用完整向量的有限元素方法调查(女性)。结果证明18核心PCF与单个核心PCF和19核心PCF相比举办更有效的热分散建设。另外,有不同热负担的18核心PCF激光的温度分发被模仿。当热负担在近似对应于600W的抽的力量的80W/m上面时,结果证明核心温度接近近似拉1800K的价值的纤维,当当热负担在近似对应于110W的抽的力量的15W/m上面时,涂层温度接近大约550K的损坏价值时。因此冷却的纤维是必要的完成力量可伸缩。与另外的不同冷却系统相比,使计划凉下来的铜被发现是一个有效方法减少热效果。
简介:Theindustrialmanufactureprocessesofthreekindsofrollcoreusedductileironshavebeeninvestigatedviasystematicalexperiments.EffectsoftheratioofC/Si,pigiron,nodularizerandalloyingmethodonthemicrostructureandmechanicalpropertiesoftheheavysectionductileironhavebeenanalyzed.IthasbeenfoundthatwhentreatedwithRE-MgplusSb,highqualitynodularcastingscanbeproducedevenifmuchantispheroidizingalloyelementsareincludedinthepigiron.ThealloyelementSbplayedanimportantroleinthecontrolofgraphitemorphology.
简介:(N-isopropylacrylamide)(PNIPAM)Poly,microgels广泛地在药交货被使用由于他们对温度的快反应。以便得到更好的biocompatibility,PNIPAMmicrogels与biocompatible材料的层典型地是涂的,与核心壳导致合成microgels结构。例如,在最近准备的合成microgel,PNIPAM胶化的microsphere被phospholipid膜围住,并且合成microgel响应温度变化展出实质的音量转变。这里,我们开发一个理论模型描述这合成microgel的热应答的行为。特别地,我们把phospholipid膜当作象橡皮状的弹性体一样表现的有弹性的层并且为nematic胶化采用免费精力的功能的形式(它指其行为强烈地被学习了的热敏感的胶化的花药种类)作为那为PNIPAM胶化。我们证明合成microgel的热应答的行为能被膜显著地影响。由在接口上调查应力的状态,我们进一步预言当涂层膜生硬、薄时,皱纹被期望在卷转变以后发生在合成microgel的外部表面上。