| 1. | The study of dispersion property of carbon nanotubes in water 聚丙烯复合材料改性研究 |
| 2. | Therefore improving the dispersion properties of powders and the surface modification of particles are very important 因此解决粉体材料的分散性同时进行颗粒的表面改性就变得十分重要。 |
| 3. | Nano al2o3 particles " hardness is very high . it is found that organically - treated has an obvious effect on the mechanical property and dispersion property of nano - particles in the matrix 这主要归因与填料al _ 2o _ 3粒径的大小、在基体中的团聚状况以及填料al _ 2o _ 3与基体树脂的相互作用状况。 |
| 4. | Therefore , there will be good prospect in determination of water bearing zone and oil bearing zone , and waterflooded zone with complex resistivity log developed with rock dispersion property 因此基于岩石频散特性发展起来的复电阻率测井技术在识别油水层和水淹层测井评价上具有良好的应用前景。 |
| 5. | So it is required to increase the dispersion property and improve mechanic intensity and synthetic capability . in this paper , stearic acid , silane ( kh - 550 ) , silane ( kh - 570 ) are chosen to modify the surface of sericite 因此,对绢云母进行表面改性,可改善其表面的物化性质,增强其与有机高聚物的相容性,提高其分散性,以提高材料的力学强度及综合性能。 |
| 6. | Hydrothermal modification temperature , hydrothermal modification time , concentration of aqueous cacl2 solution and solids holdup of mg ( oh ) 2 particles showed important effect on the morphology , crystalline structure and dispersion properties of the hydrothermal products 研究发现水热改性温度、水热改性时间、改性剂添加量和水热浆液固含均对水热产物的形貌和一次粒径有一定的影响。 |
| 7. | The influence of various electron beam parameters on the small signal gain is investigated and discussed by the numerical results . 5 . the model of the coaxial disk - loaded cylindrical waveguide is manufactured to testify the dispersion properties of this structure 五、加工了同轴膜片加载圆波导慢波系统实验模型,用谐振法测得的色散特性与理论数据良好吻合,从而验证了同轴膜片加载圆波导慢波系统色散特性理论分析的正确性。 |
| 8. | At present , equipments of powders surface modification used in our country , which have many disadvantages , such as bad dispersion properties , bad modification effect , instability of product quality and small production scale , are not fulfilled applied demand of the powder industries 目前国内的粉体表面改性装置大都存在着分散性差、改性效果不理想、产品质量不稳定以及生产规模较小等特点,远远不能满足粉体行业的应用需求。 |
| 9. | ( 4 ) we use sem to observe fractured morphology of composites , and tem to observe dispersion and particle size of nanoparticles or composited nanoparticles in matrix . we also investigate dispersion property of composited nanoparticles in polymer matrix with the help of microtone ( 4 )采用扫描电镜( sem )观察缺口冲击的断裂形貌,通过透射电镜( tem )观察纳米粒子和复合纳米粒子的分散情况和粒径的大小;通过超薄切片法研究复合粒子在聚合物基体中的分散性。 |
| 10. | From the experimental results , we studied the relationship between the diameter of fiber , the composition of s s and the impacts upon the electromagnetic parameter of fibers . get following conclusions : both the complex permeability and the complex permittivity of ss fibers decreased with the increase of diameter in some region , the complex permittivity of 304 ss fibers , 2 m in diameter , could be up to 2 . 5 at the 2 ghz , the 302 ss fibers had better frequency dispersion properties than others , agreed with the requirements of the wide - band radar absorbing material in the range of 2ghz ~ 12ghz 西安建筑科技大学硕士学位论文讨论了影响不银矜冈纤维电磁参数的几个因素,实验结果出发研究了纤维直径、成分对纤维电磁参数的影响,得到以下结论:不钾练冈纤维的微波磁导率随纤维直径的减小而增大; 2微米的304不锈钢纤维的复数磁导率p ’ ‘在zgi ]吃处达到2 . 5 ; 302不韧矜冈纤维电磁胜能明显优于其它两种,且频谱特性在2 ~ 1zghz范围内符合对吸收剂频谱特性的要求。 |