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magnetic induction b
    The results show that the normalizing enables the grain size and precipitate size to become larger and consequently leads to the magnetic induction B50 slightly higher and the core loss P15/50 obviously lower.
    结果表明,正火处理使冷轧退火后材料的晶粒尺寸和析出物尺寸增大,从而使磁感应强度B50略有增高,铁损P15/50有较明显的降低。
    Relation between the magnetic induction B andthe free spectral range of F-P etalon
    磁感应强度B与F-P标准具自由光谱范围的关系
    The cross-section of the lectromagnet is 8.0cm×5.5cm2 and its gap is 1.3 cm. the magnetic induction B may reach 0.15 T. If the gap is reduced by magnetic pads,a maximum Bmax of 1.5 T may be obtained.
    电磁铁截面积为8.0cm×5.5cm,间隙为1.3cm,磁感应强度B可达0.15T,如缩小间隙,Bmax可达1.5T。
    Using the Hg 546.1 nm spectrum, the relation between the magnetic induction B and the free (spectral) range of F-P etalon is studied in experiment of Zeeman effect.
    以Hg的546 1nm谱线为例,讨论塞曼效应实验中磁感应强度B与F-P标准具自由光谱范围的关系.
    The experienced equations that magnetic induction B25 and electrical resistivity ρ relate with chemical composition of the alloys are recommended.
    推荐了磁感应强度B25,电阻率ρ与合金成分关系的经验方程式。
    Because of ferromagnetic elements, magnetic induction B and magnetic field H is non-linear, which is the main cause that high inrush current occur during the transformer energisation.
    由于变压器铁磁材料的作用,磁感应强度B和磁场强度H呈非线性关系,这也是变压器空载合闸时产生较大励磁涌流的主要原因。
    According to the structure and principle of electromagnetic oil production equipment, the distribution situation of the magnetic field of the device has been analysed and computed, the calculation formula of the relevant parameters (the Intensity of Magnetic Induction B , Inductance L ) to the magnetic field has been derived , carry on calculation of magnetic force and sport analysis of characteristic of the electromagnetic oil production equipment at the same time.
    根据电磁采油装置的结构和原理,对电磁采油装置的磁场分布情况进行了分析,对磁场的相关参数(磁感应强度B,电感L)的计算公式进行了推导。
    In this paper we introduce the vector potential C_μ for the electric displa--cement vector D and magnetic induction B, accomplish the quantization of elec-tromagnetic field in nonlinear media by using the method of canonical quanti-zation, and obtain the self--consistent theory.
    本文对电位移矢量D以及磁感应强度B引入失势C_μ,利用正则量子化方法,将非线性介质中的电磁场进行量子化,从而得出自洽理论。
    We study the effect of the static magnetic induction B, which measures with different methods and different packing density of magnetic powder.
    本文研究了:不同形式磁导仪和磁粉不同填充密度对所测磁粉静态磁感应强度B值的影响;
    We study the relationship between dynamic *1 , and static magnetic induction B δ and B too.
    动态磁感应强度Bδ与B的相对关系。
 

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