| 1. | Microwave absorbing properties of carbonyl iron fiber 羰基多晶铁纤维吸波性能的研究 |
| 2. | Optimum design of microwave absorbing coating containing carbonyl iron powder 羰基铁粉吸波涂层的优化设计 |
| 3. | Influence of concentration of carbonyl iron on static magnetism was not obvious 五羰基铁浓度对复合粒子的静磁性能影响不明显。 |
| 4. | Study of mechanical properties of rtv silicone sealant modified by carbonyl iron powder 羰基铁粉填充室温硫化有机硅密封胶力学性能的研究 |
| 5. | Composites of ultramicro iron - coated hollow glass bead were in - suit prepared using atpu as surface agent by decomposing carbonyl iron in hollow glass beads and dmf mixed solution 用atpu作表面活性剂,在中空玻珠存在下“原位”热分解五羰基铁制备出中空玻珠超微铁核壳复合粒子。 |
| 6. | Composites of ep coating ultramicro iron were prepared using atpu & span60 as surface agent in dmf solvent by decomposing carbonyl iron and then vacuum distillation after adding epoxy resin ( e - 44 ) 用atpu span60作表面活性剂,在dmf溶剂中,热分解五羰基铁后,加入环氧树脂( e - 44 )减压蒸馏,制备了ep包裹超微铁复合粒子。 |
| 7. | In heating the solution of fe ( co ) 5 / dmf stage by stage , the thermolysis of fe ( co ) 5 goes through two courses , the transitional substance is multi - nucleus carbonyl iron and the final productions are a - fe and iron carbide Fe ( co ) _ 5在dmf中逐步升温热分解经历两个分解历程,中间产物是多核羰基合铁,最终产物为- fe及其碳化物的混合物。 |
| 8. | 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。 |
| 9. | This text attempts to regard silica as shell materials , regard nanometer iron and carbonyl iron particle as core materials to prepare a kind of new - type absorbent . the structur of the core - shell particles were characterized by ftir , tem , sem , xps , xrd etc . the properties of magnetism , heat , crystalization , ectromagnetic were characterized by vsm , tg - dta , network vectorial analysis instrument 本文以二氧化硅为壳层材料,以纳米铁以及羰基铁粒子为核层材料,制备一种新型的吸收剂粒子。用ftir , tem , sem , xps , xrd表征了复合粒子的结构,利用vsm , tg - dta ,网络矢量分析仪等分析了材料结构改变对材料磁性能,热性能,结晶性能,电磁参数等性能进行了分析。 |
| 10. | Polydispersed a - fe nanoparticles have been obtained by using bi - amine terminated polyurethane flexible macromolecule as a surfactant , and on the basis of them , the epoxy - iron nanocomposite particles have been synthesized by in situ polymerization compositing technology . the real parts of both the permittivity and the permeability of the nanocomposite decrease firstly and then increse with increasing dose of surfactant . the composite particles have ideal comprehensive properties at the dosage of the sufactactant of 0 . 5 g , and its frequency dispersion exceeds that of traditional micrometer carbonyl iron powders 以双端氨基柔性大分子为表面活性剂制备了多分散的- fe粒子,并在此基础上以原位聚合复合法制备了环氧树脂-铁纳米复合粒子,发现随表面活性剂用量增加,复合粒子介电常数实部和磁导率先降低后增加,在表面活性剂用量为0 . 5g时复合粒子有较好的综合性能,频散特性优于传统微米羰基铁吸收剂。 |