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the magnetic fluid
相关语句
  磁性液体
    The magnetic fluid was prepared using the ultrafine Co-Fe 3O 4 particulate as the group material.
    制备了以超细 Co、Fe3O4微粒为基体材料的磁性液体
短句来源
    The magnetic fluid work principle in practice and its use at seal, bearing, grind and damp are introduced in this paper.
    本文简要地介绍了磁性液体应用的工作原理,以及在密封、轴承、研磨和阻尼等方面的应 用。 关键词 磁性液体,密封,轴承,研磨,阻尼
短句来源
    Introduce the Structure of magnetic fluids,review the development course of the preparation technology of the magnetic fluid. Several kinds of preparation methods are classified and compared. At last,give the expecta-tion of the development direction of the magnetic fluid preparation technology.
    介绍了磁性液体的构成,回顾了其制备技术的发展历程,对各种制备方法进行了分类、比较,最后提出了对磁性液体制备技术发展方向的展望。
短句来源
    The magnetic fluid was investigated in a gas-liquid reactor made by using plasma activation and ionization reactants at atmospheric pressure.
    采用等离子体手段,在自行研制的等离子体反应装置上,对常压下气-液两相混合介质进行活化和电离制备纳米磁性液体
短句来源
    The reaction time was shorted to 2 hours by controlling discharge parameter of plasma and optimizing the thermal decomposition temperature of Fe(CO)5. The magnetic fluid has good fluidity with saturated magnetic intensity of 6.510-2T(non- concentrated).
    结果表明:通过控制脉冲等离子体的放电参数,优化五羰基铁的热解温度,可使纳米磁性液体反应流程缩短至2 h左右; 制备的纳米磁性液体流动性好,磁饱和强度达6.510-2T左右(未浓缩)。
短句来源
  “the magnetic fluid”译为未确定词的双语例句
    The value of saturation magnetization of the magnetic fluid is 1.85 kA/m.
    测定了磁流体的饱和磁化强度,其值为1.85kA/m.
短句来源
    The application field and range of magnetic fluids, a nanometer composite fuctional materials, depend on its properties. For the preparation of magnetic fluids with high charcter and high quality, the technology is complicated, and technological process is long, which hinders the application and the development of the magnetic fluid.
    纳米复合功能材料磁流体的应用领域和范围主要取决于磁流体的性能指标,要获得高品位、高性能的磁流体,其制备技术工艺复杂、流程沉长,阻碍磁流体的应用发展。
短句来源
    It is also find in comparison experiment that gas-liquid phase method is complex in processing technology, time consuming, and that tens hours are needed for multi-time heating and cooling before the magnetic fluid is obtained.
    对比实验研究发现,气相液相法工艺复杂、流程沉长,需经过多次升温降温,一般需10几个小时才能制备出氮化铁纳米磁流体;
短句来源
    Although the reaction inside the chamber varied rapidly, and the complicated influence factors were correlated one another, the magnetic fluid of nitride with higher quality can be produced if the pulsed frequency, pulsed voltage, reaction temperature and time were well controlled.
    虽然腔内反应瞬变,因素复杂且相互关联、相互制约,但只要控制好脉冲频率、脉冲电压、反应温度和反应时间,就能制备出品位高的氮化铁磁流体。
短句来源
    Dropping time of ammonia solution and dispersing time of TMAOH were found to have influence on magnetism and dispersion of Fe3O4 nanoparticles. The magnetic fluid with good properties of dispersion and magnetism were prepared by choosing the optimum dropping time and dispersing time.
    研究了氨水的滴定时间和氢氧化四甲基铵分散时间对Fe3O4微粒磁性和分散性的影响,并据此选择了最优化条件获得了分散性和磁性相对较好的Fe3O4磁流体。
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  the magnetic fluid
The results show that both the supercritical stability and the subcritical instability still can be found in the magnetic fluid film flow system.
      
Results show that the magnetic fluid can selectively adsorb 2-hydroxyphenol from the mixture, whereas the adsorption of 2-nitrophenol is insignificant.
      
The magnetic effects of the magnetic fluid are investigated by the magnetic coefficient γ.
      
By taking into account the couple stresses due to the microstructure additives and the magnetic effects due to the magnetization of the magnetic fluid, modified Reynolds equation is obtained.
      
The magnetic fluid is modeled with "liquid-state" and "magnetic" subsystems described using the classical and quantum statistics methods respectively.
      
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With the development of information processing, computer and other new techniques, powder magnetic materials have become the fine chemicals with great potentiality of development. In 1980 the total world market value of magnetic tape exceeded 3 billion US dollars, Since then it was developing at an annual rate of 15%.The total world production of soft magnetic ferrite materials has exceeded 100,000 tons with a value more than 1.4 billion US dollars. Some high technological products have been...

With the development of information processing, computer and other new techniques, powder magnetic materials have become the fine chemicals with great potentiality of development. In 1980 the total world market value of magnetic tape exceeded 3 billion US dollars, Since then it was developing at an annual rate of 15%.The total world production of soft magnetic ferrite materials has exceeded 100,000 tons with a value more than 1.4 billion US dollars. Some high technological products have been developing very rapidly too. For instance, in 1985,the world market value of soft magnetic discs for computers amounted to 4 billion US dollars. The total production value of magnetic bubble memories, magneto-optic devices, magnetic holograms and perpendicular magnetic recording materials reached 1 billion USdollars. Magnetic fluid is a new sol magnetic material Which has a promising prospect for its wide applicaiton in many new technological areas. This paper describes in details the technological progress in the preparation of powder magnetic materials, such as magnetic recording medium material γ-Fe_2O_3, spinelferrite powder raw materials and ultra fine powder Fe_3O_4 used in the magnetic fluids.

随着信息处理技术和计算机技术等的发展,粉体磁性材料已成为具有很大发展潜力的精细化工类产品。1980年仅磁带的世界市场价值就超过30亿美元,且每年以15%的速度增长。世界软磁铁氧体总产量已超过10万吨,价值超过14亿美元。1985年一些高技术产品,如计算机用软磁盘的世界市场价值达40亿美元;磁泡畴、磁光、磁全息和垂直记录材料总价值也达到10亿美元。磁性流体是一种胶态新型材料,在许多新技术领域中具有广泛的应用前景。文中较详细地介绍了γ-Fe_2O_3磁记录粉、尖晶石型铁氧体粉料和磁性流体中的超微粒子Fe_3O_4的制备技术进展。

The magnetic fluid preparation method is improved, the gathering of ultrafine Fe3O4 particles in magnetic fluid is avoided by the preparation method. The ultrafine Fe3O4 particles being covered with a surfactant or covered complexly with two surfactants suitable for the carrier of magnetic fluid, the oil or water or polyester - base magnetic fluid with high stability can be obtained.

本研究从改进磁流体的制备方法入手,很好地解决了磁流体中Fe_3O_4粒子的聚团问题,并利用表面活性剂对Fe_3O_4粒子进行单独或复合包覆处理制备出了高稳定性的油基、水基及聚醚基磁流体。

The magnetic fluid work principle in practice and its use at seal, bearing, grind and damp are introduced in this paper.

本文简要地介绍了磁性液体应用的工作原理,以及在密封、轴承、研磨和阻尼等方面的应 用。关键词 磁性液体,密封,轴承,研磨,阻尼

 
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