Study on dispersion polymerization of styrene initiated by magnetic field effect 磁场引发苯乙烯分散聚合反应的研究
The dispersion and propagation loss can be reduced significantly by properly choosing the thicknesses of the two magnetic films and separation layer. 分析了两个磁性层和间隔层的厚度对静磁后向体波色散和传播损耗的影响。
The effect of poly ( ethylene glycol), dispersion medium, initiator and polymerization time on formation of magnetic polymer microspheres were investigated. 研究了控制聚合区域的方法,考察了分散稳定剂、分散介质、引发剂种类和用量、反应时间等因素对聚合行为及微球形成的影响。
Preparation and Dispersion Technique of Magnetic Fluid Materials 磁流体的制备与分散技术
The dispersion phenomenon of magnetic susceptibilty anisotropy of rock 岩石磁化率各向异性的频散现象
Carrier; and the existence of the dispersion phenomenon of magnetic susceptibility anisotropy of rock is deduced. 并推测磁化率各向异性存在频散现象。
Study on formation Terms of Magnetic Particles Dispersion System and Other Operative Factors in Silicon-oil-based Magnetic Fluid 硅油基磁流体中磁微粒分散体系形成的条件及其影响因素的研究
In this paper, we study the regularity that the dispersion equation of MSFVW; in a magnetic anisotropy multilayer structure with finite width varies periodically with the number of magnetic layers increasing. 本文研究了有限宽度及磁各向异性的多磁层结构内的静磁前向体波(MSFVW)色散方程随磁层增加的变化规律。
Based on the theory of Zeeman laser and dispersion character of laser medium, the production mechanism and the regularity of magnetic induced beat noise are explained. 根据Zeeman激光理论和激光介质的色散特性,解释了这种噪声产生的机制和变化规律。
The effects of the laser input power, electron beam energy distribution and its current, dispersion magnetic field, drift region distance and its position in the wiggler, upon the Free Electron Laser gain, are analyzed in detail. 详细分析计算输入功率、电子束能散度、色散磁场、漂移空间长度及位置、以及电子束流等参数对光学速调管增益的影响。
The key techniques are purity control, size control and dispersion control. The influence of process parameters in each stage upon purity and size of magnetic particles is analyzed in detail. 从理论和实验的角度,详细分析了在各阶段各种工艺参数对磁性颗粒纯度控制和粒度控制的影响原理、影响程度和影响规律。
The mechanical alloying is an excellent technology of alloying in solid state witch has good prospects and has been applied successfully to produce nano-crystalline ultrafine grain dispersion strengthened materials, magnetic materials, superconducting materials and nano-crystalline materials. 机械合金化是一种很有发展前景的固态合金化方法,已成功地应用于制备纳米级超细晶弥散强化材料、磁性材料、超导材料、纳米晶材料等。
Influence of Phonon Dispersion, Magnetic Field and Coupling Strength on Properties of Polaron 声子色散和磁场对极化子基态的影响
Taking into account the ion channel and making use of the linear field theory, the dispersion equation of corrugated waveguide filled with plasma is derived without a guiding magnetic field. 在考虑离子通道的情况下,利用线性场理论,推导了无引导磁场下等离子体填充的波纹波导中电磁波传播的色散方程;
Using rigorous field analysis, the dispersion characteristics of the disk-loaded waveguide filled with plasma is analyzed in a strong longitudinal magnetic field. 本文采用场论的分析方法研究了在强引导磁场作用下,等离子体填充盘荷波导的色散特性。
The universal dispersion equations of msfvw and msbvw in arbitrary multilayer magnetic structure 任意多个磁层的层状结构中MSFVW和MSBVW的通用色散方程
Measurement of the anisotropic dispersion of magnetic films using a torque-magnetometer 用转矩仪测量磁膜的各向异性分散
Experiments show that the efficient hybrid of the magnetic powders with organic substance and the dispersion of the ultrafine magnetic powders in the structures of magnetic microbeads are influenced by the amount of absorption of organic substance on the magnetic powders. 磁粉表面不同的有机物吸附量,直接影响其与有机单体分子间的有效复合,也影响超细磁粉在磁珠结构中的分布状态。
Study of magneto-optical properties of magnetic materials has been an interesting field. The dispersion relation and dispersion features of magnetic polaritons are the basis for studying the magneto-optical properties. 磁性材料的磁光性质是人们很感兴趣的话题,磁极化子的色散关系和色散特性是研究磁性材料磁光性质的基础。
The dispersion relation between the apparent resistivity of the magnetic field's ratio and its phase in the frequency electromagnetic sounding with electric dipole sources and joint inversion of data 电偶源频率电磁测深中磁场比值视电阻率与其相位间的频散关系及资料的联合反演
The filtering behaviour of potassium Faraday anomalous dispersion optical filter in a strong magnetic field 强磁场下钾原子法拉第反常色散光学滤波器的滤波行为
Further results showed that the best dispersion of magnetic nanoparticles in styrene could be obtained by using acetone as a cosolvent of oleic acid, adding oleic acid before ammonia. 发现以丙酮作为油酸的助溶剂,在反应前加入油酸,得到的磁性纳米粒子在苯乙烯中的分散性最好。
The study of this paper focused on the mechanism of superparamagnetism, magnetic force, and dispersion method of levitation object of magnetic levitation accelerometer. 在实现磁悬浮式加速度计悬浮体的超顺磁性机理、磁力、纳米颗粒的分散方法等方面进行了研究。
In addition, special attention is paied to the general features of instability induced by arbitrary high-order nonlinear dispersion effects originating from the combination of dispersive magnetic permeability and nonlinear polarization. 此外,本文得到了色散磁导率所导致的任意高阶非线性色散对不稳定性的影响的一般性规律。
Surface treatment also improved the dispersion of magnetic powder in polyamide matrix, further enhanced the processing stability of the compound. 表面处理工艺也会提高磁粉在基体中的分散,提高了粘结磁体熔体的加工稳定性。
The dispersion characteristics of the magnetic plasma loaded double planar rectangular grating slow wave structure are studied. 研究了磁化等离子体填充平板矩形栅慢波结构的色散特性。
The results showed that the graphene and magnetic spinel ferrite composite can effectively control the morphology, size and dispersion of magnetic spinel ferrite particles. 2. 结果表明石墨烯和磁性尖晶石型铁氧体的复合能够有效的控制磁性尖晶石型铁氧体的形貌、粒子的尺寸和分散性。
Magnetic nanoparticles, which display nano-size effect, have good dispersion in solution, and show superparamagnetic property at ordinary temperature, in other words, magnetic particles perform magnetism in magnetic field environment, when withdrawal the magnetic field, particles 'magnetism disappear immediately. 磁性纳米颗粒具有纳米尺寸效应,在溶液中具有良好的分散性。常温下表现出超顺磁性,即在磁场环境中表现有磁性,当撤消磁场后,颗粒的磁性立即消失。