1) bell shaped magnetic lens
钟形磁场
1.
For Glasser′s bell shaped magnetic lens, third , fifth , seventh , ninth order spheric aberrations have been analytically derived and numerically calculated.
对于Ｇｌａｓｅｒ钟形磁场的３、５、７、９级球差系数进行了数值计算。
2) magneticc configuration
磁场场形
3) cusp magnetic field
勾形磁场
1.
Optimum design and realization of cusp magnetic field;
勾形磁场的优化设计与实现
2.
A low Reynolds number K ε turbulence model,which combines effects of buoyancy,crystal rotation and crucible rotation,is used to simulate the convection and oxygen transportation in a 300mm diameter CZ Si crystal growth under the cusp magnetic field,strength ranged from 0 to 0 12T.
数值模拟结果表明,在勾形磁场作用下,熔体硅内的流场、氧的浓度分布与无磁场作用相比有较大不同,随着磁场强度的增加,生长界面处氧的浓度降低,并且磁场确实能有效地抑制熔体内的紊流,有利于晶体生长。
3.
The equations used to calculate the cusp magnetic field strength in the crystal silicon growth were given.
本文给出了提拉单晶硅时,勾形磁场强度的计算公式,并对单晶硅在有无勾形磁场情况下熔体内流场和氧的浓度分布进行了数值模拟,计算出磁场作用下磁场强度和洛伦兹力及有无磁场时流函数、垂直截面处的速度场和氧的浓度分布。
4) magnetic forming
磁场成形
5) electromagnetic field mending-tool shapes
修形磁场
6) magnetic field form
磁场形态
1.
When rare-earth permanent magnets assist a metal belt to transmit magnetic force,the different arrays of permanent magnets along belt wheels produce different magnetic field forms and therefore exert different action forces on the metal belt.
稀土永磁体辅助金属带传动时,带轮上永磁体的不同排列方式将会产生不同的磁场形态,其对金属带的作用也将不同。
补充资料：端石钟形砚(清)
对文物价值而言，历史愈久者愈加珍贵，价格也随之高升，此类清末之器，价格当在一万元以上。
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参考词条