Massachusetts General HospitalStandard MRI machines create a magnetic field that orients the hydrogen within body tissues’ water molecules in one direction.
麻省总医院标准的MRI机器能纸草一个磁场,让人体细胞内所有水分子中的氢朝向一个方向。
It sums up the definition, general expressing formula and general calculating method of flux in any vector field by analyzing the flux in the speed field, electric field and magnetic field of fluid.
文章通过对流体的速度场、电场和磁场中通量的解析,总结出了任意的矢量场通量的定义、一般表达式及一般计算方法。
A general method for designing magnetic field gradient coils on a cylindrical surface with an axial magnetic field to be used in NMR imaging is suggested and developed.
系统地介绍了用于磁共振成像系统中具有轴向磁场的圆柱型表面梯度线圈的设计与优化。
The article deduces emf from varying magnetic field and motional emf in a general case further researches induced electric field and presents two important formulae of induced electric field.
本文推导出在一般情况下的感生电动势和动生电动势公式,并在此基础上,对感生电场进行了进一步的研究,给出了求解感生电场的两个重要公式。
The general theory and experiment-al method for measuring the TV deflecting magnetic field are given in detail.
详细论述了测量偏转线圈磁场的原理及方法。
2009-2011, National Science Foundation General Project—Study on the mechanization in a high sensitive magnetic materials responding the weak magnetic field approaching zero.
2009—2011,国家自然基金一般项目——高灵敏响应近零微弱外磁场的磁敏新材料及机理研究;
A general uniqueness theorem for a static magnetic field is presented. The statements of the theorem in some special cases are discussed.
给出了场内充以线性介质时,多边界面复连通区域内的静磁场唯一性定理,并讨论了在一些特殊情况下定理的表述。
In this paper, the vortex electric field is computed. It is caused by magnetic field subject to two dimensional change. This problem can't be solved in general physics. Two examples are listed.
本文用磁场元的叠加法计算二维变化的磁场所产生的涡旋电场,解决了在普通物理学范畴内通常无法解决的问题,并用此法求解了两个算例。
In this paper, the vortex electric field is computed. It is caused by magnetic field subject to two dimensional change. This problem can't be solved in general physics. Two examples are listed.
本文用磁场元的叠加法计算二维变化的磁场所产生的涡旋电场,解决了在普通物理学范畴内通常无法解决的问题,并用此法求解了两个算例。
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