四氧化三铁
- 网络Magnetite;ferroferric oxide
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合成了四氧化三铁颗粒,通过溶胶凝胶的方法负载二氧化硅涂层,同时进行双硫腙的掺杂,得到双硫腙修饰磁性纳米材料。
Ferroferric oxide was coated with silica by sol-gel method , and doped with dithizone . The modified nanoparticles were characterized by SEM , FT-IR and VSM .
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本研究拟在弱还原气氛下将锌焙砂中的铁酸锌选择性分解为氧化锌及四氧化三铁,依据二者理化性质的差异,采用弱酸浸出-磁选组合工艺实现铁锌的分离。
Decomposing zinc ferrite to zinc oxide and ferroferric oxide selectively under reduction atmosphere was proposed , and acid leaching and magnetic separation processes were carried out to separate zinc and iron from reduced zinc calcine according to their characteristic difference .
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在本实验中利用了PEG与铁离子相互作用,从而指导四氧化三铁生长成一维纳米结构。
In this section , we take advantage of the interaction between iron ions and PEG , which directs the growth of one-dimensional nanostructure .
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由于四氧化三铁纳米粒子可以实现T2成像,所以本工作合成的造影剂是一中多功能化的造影剂。
Due to iron oxide nanoparticles can realize the T2 imagine , the MRI agent synthesized in this work is a multifunction agent .
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四氧化三铁(Fe3O4)是典型的半金属材料,它是室温测量条件下自旋极化率最高的半金属材料,极化率高达84%,而且具有高达860K的居里温度。
Fe_3O_4 is a kind of classic half-metallic material . It has the highest spin polarization about 84 % measured in room temperature and provides Curie temperature with 858K .
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结果表明,在PAN膜中添加四氧化三铁对玻璃化温度没有影响,但能提高PAN环化脱氢反应的温度和分解温度;
The results show that there is no chemical bond between PAN and Fe_3O_4 , but addition of ferrosoferric oxide can increase the decomposition temperature of PAN and do not change the glass transition temperature of PAN .
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用共沉淀的方法制备了直径为10nm左右的四氧化三铁磁性纳米粒子。
Magnetic nanoparticles ( Fe3O4 ) were prepared via coprecipitation , and the average diameter was around 10 nm .
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二氧化硅,氧化锌、四氧化三铁、氧化石墨烯等已被广泛地用作Pickering稳定剂,成功制备出尺寸分布均一的具有核壳结构的复合微球。
Silica , zinc oxide , graphene oxide , etc. have been widely used as Pickering stabilizer to prepare mono-dispersed composite microspheres with core-shell structure .
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目的:探讨四氧化三铁(Fe3O4)微粒与碘化油混悬液(Suspensionoftri-irontetroxidemicrospheresandLipiodol,STML)行肝动脉栓塞治疗肝癌的疗效。
PURPOSE : To evaluate the clinical efficacy of hepatic artery infusion the suspension of tri-iron tetroxide microspheres and lipiodol ( STML ) in the treatment of unresectable liver tumors .
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通过化学键合的形式将氨基功能化的四氧化三铁纳米颗粒(NH2-Fe3O4)沉积到氧化石墨烯上。
Amino-functionalized Fe3O4 ( NH2-Fe3O4 ) particles are firmly deposited on the graphene oxide sheets .
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X-射线衍射结果显示纳米粒子晶形单一;激光散射测定结果显示纳米四氧化三铁粒子在苯乙烯中的团聚体粒径为165nm,多分散性为0.005,表明为单分散体系;
X-ray diffraction measurements indicate the nanoparticles were pure Fe_3O_4 . The results of laser scattering measurements shows that the nanoparticles are highly monodisperse and the average size is 165nm ( polydispersity 0.005 ) .
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碳/四氧化三铁纳米复合材料合成研究
Study on preparation of nano-sized carbon / ferroferric oxide composite material
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原位沉析法制备有序排列四氧化三铁/壳聚糖纳米复合材料的研究
Preparation of Orientated Magnetite / Chitosan Nano-composite Material via In-situ Precipitation
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尿素含量会影响四氧化三铁微球的形貌。
The content of urea can affect the morphology of particles .
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磁响应纳米四氧化三铁/壳聚糖复合微球的制备及特性
Preparation and Characteristics of the Fe_3O_4 Nanoparticle Chitosan Composite Microspheres
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四氧化三铁微粒栓塞兔肾动脉价值研究
Research Value of Embolic Rabbit Renal Arteries by Using Microspheres of Fe_3O_4
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基于超顺磁性四氧化三铁磁性纳米颗粒的恶性胶质瘤靶向联合基因治疗
Targeted Multi-Gene Therapy of Malignant Glioma Based on Superparamagnetic Fe_3O_4 Magnetic Nano-particles
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固态铁源湿法制备四氧化三铁磁性微晶及表征铁磁共振双稳态多谐振荡器
Wet Processes Preparation and Characterization of Magnetic Fe_3O_4 from Solid Iron Sources
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磁性四氧化三铁纳米粒子的超声波辅助水热合成及表征
The ultrasonic wave assisted hydrothermal synthesis and characterization of nano-sized magnetic Fe_3O_4 particles
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电镀污泥水热合成掺杂的四氧化三铁镀锡薄钢片(白铁皮/马日铁)制造过程
Hydrothermal Synthesis of Doped Fe_3O_4 of Electroplating Sludge Production Process of Electrolytic Tinplate
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四氧化三铁亚微空心球的制备及表征
Preparation and characterization of Fe_3O_4 submicrometer hollow spheres
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四氧化三铁的改性及其储氢性能研究
Studies on Hydrogen Storage Properties of Modified Fe_3O_4
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磁性纳米四氧化三铁颗粒的化学制备及应用进展
Chemical preparation and application of magnetic fe_3o_4 nano-particles
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聚丙烯腈/四氧化三铁共混膜的耐温与耐溶剂性能
The Heat Resistance and the Solvent Resistance of Polyacrylonitrile / Ferrosoferric Oxide Hybrid Membranes
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利用化学共沉淀法,在处理铬渣的同时,制备四氧化三铁。
Fe3O4 was prepared by using chemical precipitation in dealing with chromium residue simultaneously .
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降低铜密闭鼓风炉富氧熔炼四氧化三铁影响的生产实践
Practice of reducing influence of fe_3o_4 on oxygen-enriched air copper smelting in closed blast furnace
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四氧化三铁磁性纳米粒子的制备及表征
Preparation and Characterization of Fe_3O_4 Magnetic Nano-particles
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磁场调制的水基四氧化三铁磁流体的光学透射率新型磁光介质&铁磁流体特性的研究
Magnetic Field-controlled Transmission of Aqueous Fe_3O_4 Ferrofluids Characteristics of the New Magneto-optical Media & Magnetic Fluid
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纳米四氧化三铁表面酸碱性质研究
Surface Acid-base Properties of Magnetite Nanoparticles
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四氧化三铁薄膜的电子输运性能
Electron transportation properties of Fe_3O_4 film