施加磁场能强化磁性流体的沸腾传热。
The boiling heat transfer of magnetic fluid was enhanced by the applied magnetic field.
还对超声波在磁性流体中传播的声速进行了精确测量。
The velocities of ultrasonic wave in magnetic fluids are also accurately measured.
并对磁性流体密封在化肥工业上应用前景作乐观的展望。
This pa- per presents the principles, theory and numerical calculation of magnetic fluid and magnetic fluid sealing, and forecasts its application prospects in chemical fertilizer industry.
以TE和硅油表面活性剂ey为改性剂制备了硅油基磁性流体。
Silicon oil based magnetic fluid was prepared using TE and silicon surfactant EY as modifier.
该实验采用化学共沉淀法，结合制备磁性流体的方法，使磁性物在细胞内生成。
This paper adopt the coprecipitation method to prepare the magnetic fluids. This method makes magnetic matter produced in cell inner.
对静止和旋转密封进行了数值计算，分析了磁性流体量和转速对密封能力的影响。
The seal capacities are computed by numerical method. The effects of the ferrofluid quantity and the rotating speed on the seal capacity are discussed.
对静止和旋转密封进行了数值计算，分析了磁性流体量和转速对密封能力的影响。
The seal capacities are computed by numerical method. The effects of the ferrofluid quantity and the rotating speed on the seal capacity are discus...
本文在磁性流体密封理论的基础上计算了磁性流体密封的耐压能力，并进行了实验研究。
In this paper, computation and experimental study of the seal capacity for magnetic fluid seal were carried, on the basis of the theory of the magnetic fluid seals.
为了解决磁性流体密封的实际应用问题，必须解决密封磁极结构参数与密封性能的关系。
To solve the problem with the application of magnetic fluid seal, the relationship between its polar structural parameters and sealing performance must be clarified.
良好可靠性：密封圈由永磁结构和稳定的磁性流体组成，所以机械磨损仅发生在轴承上。
High Reliability: The seal contains a simple, permanent magnetic structure and a non-wearing magnetic fluid. The only parts subject to mechanical wear are self-contained ball bearings.
研究了磁性微粒浓度、外加磁场对水基磁性流体在水平加热棒加热情况下的沸腾传热影响。
The effect of magnetite concentration and applied magnetic field on pool boiling heat transfer of a water-based magnetic fluid was investigated on a horizontal heater.
磁性流体密封是一种新型密封技术，具有零泄漏、寿命长、无磨损等其他密封技术所无可比拟的优点。
Magnetic fluid sealing is a new type of sealing technology. It has the advantages of zero leakage, long life and zero wear, which is incomparable for any other types of sealing.
纳米磁性流体密封的应用中最关键的问题是密封能力的确定，其影响因素很多，如纳米磁性流体本身的性质、磁极结构、负载运行过程等。
There are many factors affecting the sealing capability, for example, the characteristics of nano-ferrofluid, the structure of magnetic pole, the process of load function, etc.
通过实验研究了大间隙、高转速条件下磁性流体密封的规律，并对其进行了理论分析。另外还给出了改进大间隙条件下，提高密封性能的措施。
The magnetic fluid seals' rules at large gap and high speed conditions were studied and the theoretical explaining was given. A method to improve the tight capacity was given.
高梯度磁力分离是从流体中除去悬浮状磁性粒子的一种新技术。
High gradient magnetic separation is a new technique by which suspended magnetic particles can be removed from fluids.
以钢-铜试件对磨后获得的油样为例进行铁谱对比实验，研究了磁流体在非铁磁性磨粒监测方面的应用。
With an attempt to study the effect of magnetic fluids in ferrography on the deposition of non ferromagnetic particles, the working conditions of steel copper friction pairs were monitored.
特别地，磁流变流体包括载体溶剂中的磁性聚合物。
In particular, magnetorheological fluids include a magnetic polymer in a carrier solvent.
磁流体对非铁磁性颗粒的“磁化”作用具有选择性。
Moreover, the magnetic fluids showed selectivity in terms of their "magnetizing effect" on the non magnetic wear debris.
磁流体是将铁磁性或亚铁磁性固体颗粒通过一定方法均匀分散在基液中的混合液。
Magnetic fluid is the mixed liquid that ferromagnetic or meta ferromagnetic particle are scattered by certain way.
另外，由超临界流体干燥法得到的粉末经高温处理后的磁性能明显高于由水热法和共沉淀法得到的粉末的磁性能。
Additionally, the magnetic properties of the fired powder prepared by SCFD method is higher than those prepared by hydrothermal method and coprecipitation method.
研究多相流动电磁波成像测井要涉及到两个物理基础问题：一是油井中电磁波的传播特性，二是油井中流体介质的电磁性质。
The physical fundamentals of electromagnetic wave imaging logging in multiphase flow deal with the wave propagating characteristics and the fluid electromagnetic properties in oil wells.
这种磁流体在磁性药物载体、磁共振造影剂和磁高热治疗肿瘤等领域有良好的应用前景。
The ferrofluids are potential to be used in magnetic carrier of medicine, NMR imaging contrast, treatment of tumors, etc.
进而采用磁流体存在下的分散聚合法制得了磁性聚合物微球。
Then the magnetic polymer microspheres were prepared by the dispersion polymerization with ferrofluid.
通过试验观察，提出了基于磁性链上磁液表面张力的磁流体密封模型。
The model of magnetofluid seal based on the surface tension of magnetofluid on the magnetic chains was deduced with some experiments related.
共沉淀法制备的磁性颗粒经二次分散后稳定悬浮于硅油中，得到了硅油基磁流体。
The magnetic particles prepared through coprecipitation suspend stably in the fluid of polydimethylsiloxane after twice dispersing, and so the polydimethylsiloxane based ferrofluid is prepared.
本文利用一种能使非铁磁性磨屑可以磁化的磁流体——磁化液，成功地将非铁磁性磨屑按铁磁性磨屑在谱片上的沉积规律沉积于谱片上。
In this paper, a kind of magnetic fluid was used to make the non-ferromagnetic debris to deposit onto the ferrograph according to the depositing rule of ferromagnetic debris.
它兼有固体磁性物质的磁性和流体的易流动性，因此，这种磁性液体被广泛地应用于工程中的许多领域。
Possessing both magnetisation of solid magnet material and flowability of liquid, it is widely used in engineering fields, such as sealing, lubracation, damping, etc.
纳米磁流体是一种具有磁性的纳米材料，它具有液体的流动性和光学性质可调谐的特点，是一种新型的光学功能材料。
Magnetic fluid is a kind of nanostructured material possessing magnetism. It is a novel functional material in optical field, which has both the fluidity of liquid and the tunable optical properties.
报道了采用十二烷基硫酸钠进行磁性颗粒的二次改性通过胶溶法制备稳定的磁流体。
The preparation of stable magnetic fluid by the way of gel with using C12H23OSO3Na is introduced.
报道了采用十二烷基硫酸钠进行磁性颗粒的二次改性通过胶溶法制备稳定的磁流体。
The preparation of stable magnetic fluid by the way of gel with using C12H23OSO3Na is introduced.
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