Carbonyl iron particles and iron - epoxy resin composite particles , which both mrs and microwave absorber are based on , were prepared by method of dropping fe ( co ) 5 to dmf in constant temperatures and of heating the solution of fe ( co ) 5 / dmf stage by stage , combining in situ composite technique 本论文采用恒温滴加法和逐步升温液相法热分解合成了羰基铁粒子，并结合原位聚合复合技术制备了羰基铁-环氧树脂复合粒子，然后用它们组成了磁流变液和微波吸收材料。
Having consulted all the available literature on the subject , according the basic principal and method of design of radar absorbing materials , composites of epoxy resin ( ep ) - coated ultramicro iron , ultramicro iron - coated hollow glass bead , and hollow glass bead / ultramicro iron / ep with three - layer structure were prepared 本文是在查阅了大量国内外文献的基础上，依据雷达波吸收材料研究的基本理论和设计方法，以羰基铁为重点研究对象，采用原位复合的方法制备环氧树脂( ep )包裹羰基铁、超微铁包裹中空玻珠以及中空玻珠超微铁ep三层结构复合粒子。
Core - shell nanocomposite particles , as attractive building blocks of advanced functional materials , have important applications in such areas as photonic band gap materials , microwave absorbing materials , electrorheological ( or magnetorhelogical ) fluids , catalysis and biology , etc 摘要核壳纳米复合粒子具有许多不同于单组分胶体粒子的独特的光、电、磁、催化等物理与化学性质，是构筑新型功能复合材料的重要组元，在光子带隙材料、微波吸收材料、电磁流变液、催化剂和生物等领域有重要应用。
Experiment contrast show , the prepared w - type planar hexaferrite microwave absorptive material appears two absorptive peaks in the frequency range of ( 7 ~ l2ghz ) , its average attel1uation exceed 7db , the maximum absorptive attenuation is 24db , coat matching thickness is l . 21mm , especialy its curie temperature is 457c . so , it can meet practical demands in military camouflage field 实验结果表明，该种吸收材料在x波段内呈现两个吸收峰，平均衰减量7db ，最大吸收峰为24db ，涂层匹配厚度为1 . 21mm ，特别是具有457的居里温度。所以该种铁氧体是一种性能优良的微波吸收材料，在军事隐形技术中有实用价值。
Materials with strong two - photon absorption ( tpa ) are currently attracting considerable attention in the chemistry , photonics and biology communities because of their potential applications in optical power limiting , upconverted lasering , three - dimensional datastorage , nondestructiveimaging and photodynamic therapy 强双光子吸收材料由于在激光限幅、双光子上转换激射、三维信息存储、生物体三维成像、光动力学治癌等方面具有诱人的应用前景，成为材料化学、光子学、生物学等领域的关注热点。
Ceo22 is used as optical materials , polishing agents , ultraviolet absorption materials , the cleaning catalyst of car ' s waste gases , chemical decolorant of glass , radiation - resisting glass permanent magnet , electronic ceramics etc . if it is processed into nanoparticles , it will exhibit some novel properties led to varied applications . for example , ceo22 nanocrystal is a better promoter of cytochrome c and the stabilizer of zro22 ceramics . because of its high index of refraction and good stability , it is used to produce reduced reflection film Ceo _ 2是一种廉价而用途极广的材料，如用于发光材料、抛光剂、紫外吸收材料、汽车尾气净化催化剂、玻璃的化学退色剂、耐辐射玻璃、永磁体、电子陶瓷等，其纳米化后将出现一些新的性质及应用，如ceoz纳米晶是细胞色素c的良好的催进剂，还用作zro :陶瓷的稳定剂，由于ceo :折射率高，稳定性好，常用于制备减反射膜等。
