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1)  uniform field
均匀场,均强场
2)  homogeneous ferromagnetic field
均匀强磁场
1.
To observe the effects of 50Hz homogeneous ferromagnetic field(0.
观察50Hz工频均匀强磁场(0。
3)  electric field uniformity
场强的均匀性
1.
From the results, we can find that at the low frequency, the passive septum with a metal board grounding has the similar effort on the electric field uniformity of the TTEM cell to the passive septum with more metal poles grounding, but at the high frequency, the former has a better effort on the electric field uniformity than the latter.
通过HFSS对TTEM小室非激励板不同接地情况下的内部场强分布进行了仿真,从分析的结果中可以发现:在低频段,非激励芯板用金属板接地和用多个金属杆接地对TTEM小室内部场强的均匀性效果来说相近,但是到了高频段,前者对场强的均匀性效果要比后者更稳定。
4)  uniform magnetic field
均匀磁场
1.
General formula of perturbation matrix elements of three dimensional harmonic oscillator in uniform magnetic field;
均匀磁场中三维各向同性谐振子微扰矩阵元的普遍表达式
2.
The gauge invariance of a charged particle motion in uniform magnetic field;
均匀磁场中带电粒子量子运动的规范不变性
3.
Numerical simulation of weakly ionized gas hypersonic flow under uniform magnetic field
均匀磁场中高超声速弱电离气体流动数值模拟
5)  field uniformity
场均匀性
1.
New detection method of the device noise and field uniformity for CT;
CT设备噪声和场均匀性的新检测方法
2.
Analysis of cross-polarization performance and three-dimensional field uniformity in GTEM cell using FDTD method;
GTEM小室交叉极化特性及三维场均匀性FDTD分析
3.
Improvement in field uniformity introduced by multiple-antenna in source-stirred Reverberation Chamber
利用多天线源搅拌改善混响室场均匀性的分析
6)  uniform electric field
均匀电场
1.
The shell structure of three dimensional harmonic oscillator in the uniform electric field and magnetic field;
均匀电场、磁场中三维各向同性谐振子的壳结构
2.
In order to clarify the effect of an electric field on the bubble shape, the visualized experiments are carried out on a single bubble formed by manually injecting in a uniform electric field, and the electric field distribution in the bubble-liquid two-phase system and the electric stress acting on bubble are calculated.
为探明外加电场对汽泡形状的影响规律,本文采用人工注射汽泡的方式,对均匀电场作用下单个汽泡的形状进行了可视化试验研究,计算了汽-液两相系统中的电场分布及汽泡所受的电应力。
3.
The forces caused by uniform electric field acting to polarized water drop were calculated by integrating surface unit method.
分别对均匀电场作用下4种油中水滴的变形量进行模拟计算,结果表明,运用变形动力学模型得到稳态水滴在电场中变形量的数值解与Eow[4]的实验结果基本吻合。
补充资料:超导强磁场标准


超导强磁场标准
superconducting high magnetic field standard

  Chac劝刃q心叩Cichangb旧。zhun超导强磁场标准(supe代ondueting high似吧.netie fields切旧d出月)包括超导标准强磁场产生装里及低温核磁共振磁感应强度计两部分。超导标准强磁场由处于超导液氮温度(4.2K)下的精密超导线圈产生,磁场上限可超过10T,下限为IT一ZT。磁场的空间均匀度高于lx10-妈(IcmD.S.V.),稳定度约为lxro一’lh。低温核磁共振磁感应强度计是基于原子核的自旋在磁场中进动而产生的对高频电磁波的共振吸收现象。在4.2K下能工作得较好的样品常用超细铝粉粘合而成,其共振吸收方程为 B二田ly月式中:B为样品所处磁场的磁感应强度值,。为共振吸收峰处的高频信号的角频率,y。为铝原子核的旋磁比。由于超导强磁场标准的量值需溯源到用质子旋磁比y,定值的强磁场标准的量值,所以y^.的数值要由yp来确定,即在同一磁场中比较铝核和质子的共振频率值。实验结果为 下。=(34 .91023土0.0以)2)MH刀T用低温核磁共振法测量超导强磁场的不确定度为10“,t级。超导强磁场标准用于检定测试工作时,可以采用由低温核磁共振磁感应强度计标定过的标准超导强磁场检定各种强磁场探头及强磁场测量仪,也可以直接用低温核磁共振磁感应强度计测试产生强磁场的超导线圈的线圈常数及磁场均匀度等参数。 (张钟华》
  
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