fe3o4

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。

Water assisted method is applied to fabricated honeycomb structured PANI-DBSA / Fe3O4 film .

采用水辅助方法制备了RANI一DBS户以Fe304复合材料的蜂窝状有序多孔薄膜。

TiO2 / Fe3O4 / ACF composite particle was prepared by using a sol-gel .

用溶胶-凝胶法制备TiO2/Fe3O4/ACF复合颗粒。

Finally , the electromagnetic response of Fe3O4 / TiO2 core / shell nanorods was investigated .

最后，研究了Fe3O4/TiO2核壳纳米结构的电磁响应特性。

Hemolysis rate testing and dynamic clotting test results show that Fe3O4 / PLLA composites have good biocompatibility .

溶血率测试和动态凝血试验结果表明，Fe3O4/PLLA复合材料具有良好的生物相容性。

The adsorption performance of TiO2 / Fe3O4 / ACF dynamic membrane obtained by different basement membrane was studied .

模拟微污染水，研究用不同基膜所制得的TiO2/Fe3O4/ACF动态膜的吸附性能。

To investigate clinical and pathologic effects of magnetic microsphere ( Fe3O4 ) embolization for hepatic carcinoma .

[目的]观察磁性微粒（Fe3O4）栓塞肝癌临床及病理变化，探讨其动脉栓塞作用疗效。

Magnetic nanoparticles ( Fe3O4 ) were prepared via coprecipitation , and the average diameter was around 10 nm .

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。

If hydrochloric acid reacted excessively with Fe3O4 particles , they will lose their magnetism .

如果铁磁粒子与盐酸过度反应，则几乎失去磁性。

This synthesis method of Fe3O4 / Graphene hybrids for enzyme immobilization opened a unique green and sustainable application approach . 4 .

这种Fe3O4/Graphene杂化材料的合成为固定化酶研究领域开启了一种独特的绿色可持续发展的应用途径。

Under the optimized conditions . C18-functionalized Fe3O4 @ mSiO2microspheres were successfully used to analyze the real water samples .

在优化条件下，C18功能化的Fe3O4@mSiO2微球成功地应用到了实际水样的分析。

The test results show that the MIPs obtained by Fe3O4 @ SiO2 microspheres in 390 nm have the largest absorption quality .

试验结果表明Fe3O4@SiO2微球直径在390nm时，所制备的分子印迹聚合物吸附量最大。

The test of thermodynamics absorption experiments proved that Fe3O4 @ SiO2-MIPs have strong affinity to BSA .

通过热力学吸附试验，证明了所制备的印迹聚合物对BSA具有较强的亲和力和选择吸附性。

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 magnetization of GMB / Fe3O4 could be controlled by changing the GMB content and the reaction temperature .

该复合颗粒的饱和磁化强度可以通过改变玻璃微珠装载量及反应温度加以控制。

The optical and magnetic properties of the nanocomposites could be modulated by controling Fe3O4 / Zn2 + molar ratios .

通过控制Fe3O4/Zn2+摩尔比可以对纳米复合材料的光学和磁学性质进行有效调节。

On the other hands , Fe3O4 / Silica composite nanospheres with different surface structure and morphology were also synthesized by changing reaction conditions of sol-gel method .

并通过研究改进的溶胶-凝胶反应的工艺条件，实现对氧化硅表面结构的调控。

Fe3O4 / P ( St / AA ) microspheres with average diameter of 542 nm have been prepared by dispersion polymerization .

采用分散聚合法合成了平均直径约542lun的Fe3O4/P（s口AA）磁性微球。

Lastly the photocatalytic activity of Fe3O4 @ SiO2 @ TiO2was evaluated by degrading the methylene blue solution .

最后通过光催化降解亚甲基蓝溶液来研究磁性TiO2的光催化活性。

A superparamagnetic Fe3O47 / graphene oxide nanocomposite ( Fe3O4 / GO ) was prepared via a simple and effective chemical method .

研究了一种简单而有效的化学方法制备四氧化三铁／氧化石墨烯超顺磁性纳米复合材料（Fe304/GO）。

The medium scale test study of chemical cleaning technique for removing corrosion product ( Fe3O4 ) in secondary side of SG in PWR has been completed .

报道了PWR核电站蒸汽发生器（SG）二次侧腐蚀产物（Fe3O4）化学清洗工艺中型试验研究。

The Fe3O4 | nanoparticles are easily-prepared and surface functionalized and they can be recycled from the solution by external magnetic field .

Fe304纳米颗粒制备简单，表而可功能化，通过外加磁场容易将其从混合物中分离回收。

In this work , the result revealed that size of Fe3O4 particles was reduced mainly because hydrogen ion of hydrochloric acid reacted with Fe3O4 particles .

而且，结果发现盐酸在制备中的作用主要在于氢离子，可以减小四氧化三铁纳米粒的粒径。

Amino-functionalized Fe3O4 ( NH2-Fe3O4 ) particles are firmly deposited on the graphene oxide sheets .

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。

On the basis of our previous works , we prepared Fe3O4 @ SiO2 @ PbS three-ply magnetic composites through a simple wet-chemical route .

在上述工作的基础上，我们通过简单液相合成方法制备了Fe3O4@SiO2@PbS三重磁性复合材料。

The results indicate that Fe3O4 / GO could adsorb considerable methylene blue quickly . The desorption process is easy to achieve , so the recycle capability is perfect .

结果表明Fe3O4/GO复合材料能高效、大量的吸附次甲基蓝，而且，其脱附容易，循环使用性能好，还可以进行磁性分离。

The solution pH is critical for the adsorption of CIP on Fe3O4 / C , and the maximum adsorption of CIP could be reached under neutral conditions .

溶液pH是Fe3O4/C吸附去除CIP过程中的关键，在溶液呈中性的条件下吸附量最大。

Under the optimized conditions , phenyl group-functionalized Fe3O4 @ mSiO2microspheres were successfully used to analyze bisphenol A in the human urine samples .

在优化条件下，苯基功能化的Fe3O4@mSiO2微球成功地应用人体尿液样品中双酚A的提取。

Magnetoresistance in the Fe3O4 / barrier / Si heterostructures is almost zero when the current is low , and it becomes saturated gradually as the current increases .

Fe3O4/barrier/Si异质结的磁电阻在电流很小时几乎为零，并随着电流的增大逐渐达到饱和。