1. Nabla operators applied on the scalar Green''s function are applied on electric and magnetic fields using integration by parts.
利用分部积分将作用在标量Green函数上的Nabla算子转移到电磁场强上。
2. An improved and novel magnetic element (10; 10''; 50; 50''; 80) including a plurality of thin film layers wherein the bit end magneto-static demagnetizing fields cancel the total positive coupling of the structure to obtain dual magnetic states in a zero external field.
一种改进且新颖的磁性元件(10；10`；50；50`；80)，它含有许多薄膜层，其中单元端部静磁退磁场将抵消这种结构的全部正耦合以在零外磁场下获得双磁态。
3. The chapter first described the intelligent polymer gels to the environment sensitivity in several areas such as the solvent, temperature, pH, light radiation, the electric field, magnetic fields and so on, based on the Volume Phase Transition theory and introduced the applications of the smart polymer gels in biomedical engineering, controlling drug release, immunoassay and bioseparation analysis.
首先，以体积相变原理为基础，从溶剂、温度、pH值、光辐射、电场、磁场等方面阐述了智能高分子凝胶对环境的敏感性，同时介绍了智能高分子凝胶在生物医学工程、药物控制释放、免疫分析、生物分离分析等方面的应用。
4. The patterns of magnetic fields in various rotor positions are obtained.
该模型的磁路网络结构和参数都随转子位置的不同而变化。
5. It is shown that critical current density is dominated by weak-link properties in regions of low temperatures and low magnetic fields, and transporting current is mainly limited by weak-coupling among grains.
利用唯象的临界态模型，从理论上研究4.5K和30K温度高温超导带材的磁化强度、临界电流密度和磁滞损耗并给出解析表达式，与磁化测量结果符合得很好。
6. The magnetocapacitance of a double barrier structureis, for the first time, employed to determine the density of statesof two dimensional electron gas(2DEG)in magnetic fields and the expression of the magnetocapacitance responseof biased DBS is derived theoretically as well.
本文首次提出用双势垒结构的磁电容谱测量二维朗道态密度的方法，并从理论上推导了DBS的磁电容响应公式。
7. The effects of pulsed electric fields or pulsed magnetic fields on hyperviscosity and hypercoagulation of blood have been studied and a new physical way to reduce blood viscosity and restrain coagulation was explored.
比较研究脉冲电场和脉冲磁场对高血粘和高凝血的影响，探寻降低血液粘度，抑制凝血过快、过强的物理方法。
8. Uses the interaction of the magnetic fields of two coils to measure current or voltage or power.
用卷带马口铁的磁场的交感作用测量电流电压或电能的仪器。
9. The experimental results indicate that triangular and elliptical coils focus stronger magnetic fields.
因此线圈设计之结果在此被验证是可行的。
10. In the simulation of magnetic fields generated by gradient coils of MRI system, both FDTD and PSTD are applied.
在模拟磁共振系统梯度线圈产生的磁场的实验中，分别用FDTD和PSTD进行了仿真。
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11. Care must be taken to protect the focusing coils from stray magnetic fields.
必须小心，以防止聚焦线圈产生寄生磁
12. Additionally, to explore well the effect of magnetic fields on the nucleation and growth of magnetic particles, a postsynthesis magnetic alignment experiment was carried out on the sample prepared without a field.
我们对无磁场下制得的样品，在相同的磁场强度下也进行了磁场后处理，然而却没发现有镍纳米线生成。
13. The fact that these jets remain collimated in a narrow beam over such great distances suggests that magnetic fields may be involved.
这些喷流在如此长的距离中仍能保持直准的狭窄粒子束，暗示了磁场可能在其中扮演重要的角色。
14. Several key technologies in the fields of Nuclear Magnetic Resonance radio-frequency pulse design and Magnetic Resonance Imaging were investigated.
本论文着重研究和解决核磁共振射频脉冲设计以及磁共振成像方法学中的若干关键问题。
15. Furthermore, effects of a positively charged ion on the energy levels and farinfrared spectra of one and two electrons in nanorings under magnetic fields are studied.
进一步研究了带正电的离子对磁场下纳米环中一个或者两个电子的能级与远红外谱的影响。
16. The result shows that a relative even electric fields with its area 40cm×40cm among the board in GTEM cell can be presented with its fluctuation less than 7%. Homoplastically, the even magnetic environment can be presented. The LEMP field can be simulated by changing the intensity of shock-wave generator. The electromagnetic sensitivity can be measured in GTEM cell and the loop.
并且根据对不同距离处 LEMP 场强度和波形的计算，可以调整冲击电压发生器的输出强度以及 GTEM 室两端的电阻来模拟不同距离处的雷电脉冲电场环境；类似地可以调整浪涌发生器的输出强度和线圈参数来模拟不同距离处的雷电磁场环境。
17. But the composite view also captures solar prominences, looping structures of hot plasma suspended in magnetic fields, extending beyond the Sun''s edge.
但是这张合成的影像同时还记录了日珥。它是可能发生于太阳磁场中的环结构，这些环是由炽热的星子构成的，从日面边缘上延伸出来。
18. The inductor, which is one of the most important magnetic components, is not only used in LC filter and choke but also in RF communication circuit. The thin film inductor can be integrated with semiconductor components, so far it has not been widely used in these fields, the reason is the limited of thin-film material and substrate, process technology and design technology.
而作为磁性元器件中最重要的电感，它不仅在LC滤波电路、扼流圈中必不可少，在现代射频通信电路中也被广泛使用，特别是能与硅器件一起集成的薄膜电感器，在国际上备受重视，而国内长期以来，由于受薄膜磁芯材料、绕组材料、基片材料，包括制作技术及最为关键的设计技术限制，尚未研发出能够用于这一应用领域的高、中、低频薄膜电感器。
19. The Hall resistivity as a function of temperature at several external magnetic fields hasbeen measured systematically on a LCMO epitaxial thin film. It is found that the density ofcarriers has a stronger temperature dependence than that of mobility in the vicinity of the Curietemperature.
测量了不同磁场下的Hall电阻率随温度的变化规律，发现在居里温度附近，载流子浓度对温度的依赖关系比迁移率对温度的依赖关系强烈。
20. The transient air gap magnetic fields under different conditions are also calculated and analyzed. The novel finite element method directly using magnetic induction as unknown variable has many advantage. It is analyzed theoretically in detail. Nonlinear eddy current field equations and finite element equations using magnetic induction as unknown variable are developed.
直线电机的磁场是一非均匀、非线性的涡流场，文中对非均匀磁场及材料的非线性进行了分析，提出了相应的解决办法，采用以向量磁位为求解量的传统有限元法，对不同合闸角下筒式复合次级圆筒型直线感应电机的瞬态特性进行了计算与试验分析，对不同条件下瞬态气隙磁场进行了研究。
1. Residents had earlier expressed concern about the possible health threat from magnetic fields around the railway.
2. So archeologists have been scanning the surrounding fields and pastures with magnetic and radar sensors pulled across the grass by tractors or quad bikes.
3. The observatory will measure fluctuations in the amount of ultraviolet radiation emitted from the sun, map solar magnetic fields and even peek beneath the sun''s surface.
4. Scientists believe they rely in part on the Earth''s magnetic fields to navigate, and that taping magnets to both sides of their heads disorients them.
5. Scientists initially believed the greatest solar breach occured when the Earth''s and sun''s magnetic fields are pointed in opposite directions.
6. Transcranial magnetic stimulation uses magnetic fields to stimulate nerve cells in the brain and is more commonly employed to treat depression.
7. China announced Saturday it would launch a research satellite in the coming week with the European Space Agency to study the Earth''s magnetic fields.