core-shell structure中文什么意思

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1. The emulsoid particle size and its distribution were determined by laser particle sizer . the composition changes of acr were inspected by ir , and the core - shell structure was observed by tem . the morphologyes of acr resin particles were inspected by polarization microscope at last
   通过激光粒度分析仪对所合成的乳胶粒径及其分布进行了分析测试，借助于ir考察了所合成的acr的组成变化，并通过透射电镜对所合成的acr的核壳结构进行了验证，最后借助于偏光显微镜观察了破乳干燥后得到的acr粒子。
2. Consideration of the poor cytocompatibility of pla materials and excellent properties of polymeric particles , pla materials were modified by embedding with polymeric particles and the cytocompatibility of modified pla materials was studied in this work . polymeric microspheres or nanospheres with a core - shell structure and different surface characters were prepared by using different materials as the surfactants and low - molecular - weight pla as the core materials via o / w solvent evaporation
   本文针对聚乳酸组织工程材料存在的生物相容性问题以及聚合物微球的优异性能，从一种新的设计手段出发，采用聚合物微球表面改性聚乳酸组织工程材料，构建得到功能微球改性聚乳酸组织工程材料表面，并研究改性后的聚乳酸组织工程材料表面的细胞相容性。
3. On the basis of the research efforts of magnetic polymer nanocomposite at home and abroad in recent years , the preparation methods of magnetic polymer nanocomposite were reviewed in this article , the latest research advanced in magnetic polymer nanocomposite with core - shell structure and sandwich structure were also reviewed in detail , and also the applications in determinating microbe and organism in water determination were summarized
   在总结国内外有关磁性高分子微球研究成果的基础上，介绍了纳米磁性高分子复合微球的制备方法，重点阐述了核壳式结构和三明治式结构纳米磁性高分子复合微球制备的最新研究进展，概述了磁性高分子复合微球在检测水中微生物和有机物的应用。
4. In this thesis , the development of emulsion polymerization theory and related new technologies are comprehensively reviewed , and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed . based on the current development and research in this field , attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons , that is , 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized , which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer , different acrylates and a reactive emulsifier . by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor , the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented , as a result , organosilicon content in the macromolecular chain is increased
   同时采用有机硅单体延迟滴加及添加水解抑制剂等技术，有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合过程中的过渡水解及缩合反应，提高了聚合物大分子链中有机硅链节的含量；利用红外光谱与差示扫描量热仪对产物分子结构进行了表征，并通过对共聚产物力学和吸水率的测试，证实了本研究所制备的有机硅改性丙烯酸酯共聚物具有比纯丙烯酸酯聚合物更优良的力学及耐水性能；从分子设计角度出发，利用醇解反应合成出水解、缩合反应速率较慢的两种新型不饱和有机硅单体： ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三异丙氧基硅烷；利用核磁共振对新型硅烷单体结构进行了证实；研究表明利用新型硅烷单体可以制备出高硅烷含量的有机硅改性丙烯酸酯乳液，且其聚合产物具有较高的力学及耐水性能。
5. It was the first time that the silica nanoparticles was coated with gd2o3 : eu rare - earth oxides , then the core - shell structure compound particles were obtained . the characterizations showed that the thickness of uniform coating is in 10 - 20nm ; the silica core is linked with the gd2o3 : eu shell by chemical bond si - o - gd ; because of the size effects and interface effects of nano - crystal coating , the diffraction and emission peaks become broadened . and at the same time , the transfer temperature of silica from amorphous to crystal is decreased
   首次在纳米sio2表面包覆一层gd2o3 : eu稀土复合氧化物,得到了核-壳结构的复合颗粒，表征结果表明，均匀包覆层的厚度为10 - 20nm ； sio2核和gd2o3 : eu壳层物质之间通过化学键si - o - gd键的作用结合在一起；由于包覆层纳米晶的尺寸效应和界面效应使xrd衍射峰和荧光光谱发射峰出现了宽化现象。