The synthesis of Fe3O4 suspension.
Fe3O4悬浮液的制备。
Keywords: Magnetic zeolite; Synthesis; Fe3O4; composite.
关键词：磁性沸石，合成，四氧化三铁(Fe3O4)，复合颗粒。
Fe3O4 was prepared by using chemical precipitation in dealing with chromium residue simultaneously.
利用化学共沉淀法，在处理铬渣的同时，制备四氧化三铁。
The nano-sized Fe3O4 catalysts after used for several times and recycled still remained a high activity.
纳米四氧化三铁作为催化剂多次循环使用后仍具有较高的催化活性。
The transmission of light in the aqueous ferrofluid films of Fe3O4 in slowly-changing magnetic fields was investigated.
对水基四氧化三铁磁流体在缓变磁场中的透射率进行了研究。
The magnetic properties and microstructure of Fe3O4 thin films prepared under different conditions have been evaluated.
本文报导了不同制备条件下四氧化三铁薄膜的结构和磁性。
The surface-modified Fe3O4 nanoparticles were monodispersed in an aqueous solution and did not precipitate in over 18 months.
在水溶液中，经表面修饰的四氧化三铁纳米颗粒能保持超过18个月的单分散性而不沉淀。
Therefore, Fe3O4 particles were dispersed in tetraethylammonium hydroxide aqueous solution, which greatly improves the dispersion of Fe3O4 [16].
Fe3O4在四乙基氢化铵溶液中能极大的提高其分散性[16]。因此，在本研究中采用先将Fe3O4分散在四乙基氢化铵溶液中，再与合成沸石的原液反应。
In long studies, Fe3O4 powder was found hard uniformly mixing with the zeolite synthesis reactant, which would lead to the impurity and inhomogeneity of the product.
在长期的研究中，发现Fe3O4粉体很难与合成沸石进行筛合成反应，从而导致产品的不纯净和不均一。
The nano-sized magnetic Fe3O4 particles was synthesized by hydro-thermal method with the help of ultrasonic wave by reacting FeCl3·6H2O with FeCl2·4H2O and NH3·H2O.
以六水三氯化铁、四水二氯化铁和氨水为原料，在超声波辅助下，水热法制备了磁性四氧化三铁纳米粒子。
TEM cross section analysis of the cells showed further that the Fe3O4 nanoparticles were for the most part strongly absorbed by the surfaces of the cells and coated the cells.
对细胞的横切面分析进一步显示，大部分的四氧化三铁纳米颗粒被细胞表面强烈地吸附并包裹了细胞。
The nano-sized particles of Fe3O4 were used as catalysts for degradation of the catechol simulated wastewater and o-cresol industrial wastewater with hydrogen peroxide in the oxidation.
以合成的纳米四氧化三铁为催化剂，过氧化氢为氧化剂，催化氧化含邻苯二酚的模拟废水和含邻甲苯酚的工业废水。
The nano-sized particles of Fe3O4 were used as catalysts for degradation of the catechol simulated wastewater and o-cresol industrial wastewater with hydrogen peroxide in the oxidation.
以合成的纳米四氧化三铁为催化剂，过氧化氢为氧化剂，催化氧化含邻苯二酚的模拟废水和含邻甲苯酚的工业废水。
应用推荐