受到的悬浮力大小由温度和磁场梯度共同决定；
The value of the levitation force is determined by the temperature and the gradient of magnetic field.
用洛伦兹拟合定量地得到了三种磁场形貌的磁场梯度。
Then the magnetic field gradient of these magnetic field profiles was obtained quantitatively using Lorentz fit.
因此理解内部磁场梯度对T2弛豫时间的影响是很有必要的。
Thus it is important to understand the effects of diffusion on T2 relaxation times due to internal field gradients.
此外，本文还讨论磁场梯度的存在对磁象仪观测资料的可能影响。
Besides these, we have investigated the possible influence of the existence of magnetic fields gradients on the observational data of magnetographs.
通过在基片的下方放置磁铁，在放电空间中引入了纵向的磁场梯度。
A longitudinal gradient magnetic field was introduced into the discharge space by placing a permanent magnet under the substrate.
电流一定时，改变工作间隙的大小可以使磁场强度和磁场梯度同时发生变化。
Current must change working gap size can make the magnetic field strength and magnetic field gradient simultaneous changes.
当磁场强度不变，随着磁场梯度的增大，初晶硅的偏聚量增加，晶粒尺寸变小。
The amount of segregated primary silicon grains increases with increasing magnetic gradient, whereas the grain size decreases.
迄今为止使用的磁场线圈间距全为固定式，而环境又几乎全有较大的磁场梯度。
Before the successful development of this system, the coil spacing in the magnetic field coil system was fixed and there are large magnetic gradients in almost all the environment;
岩石孔径越小，岩石孔隙内部磁场梯度越强，核磁共振测井计算的孔隙度明显偏低；
The more smaller pore size, the more stronger internal Magnetic field gradient. The nmr porosity is significantly lower.
通过对Z轴磁场梯度和匀场线圈电流的多项式拟合，以获得磁场不均匀而引起的相位分布。
The phase mapping method of a field inhomogeneity based on an Z axis pulse field gradient and polynomial fitting procedures of the axial shimming coil currents were described.
利用有效电磁体产生的强背景磁场和能产生高磁场梯度的捕集表面，使得分选微米级的物料成为可能。
Using the strong background magnetic field produced by effective electromagnet and the catching surface to produce high magnetic field gradient makes the separation of micro-grade material possible.
一种磁共振扫描器(10)包括主磁体(12)、磁场梯度线圈(16)和一个或多个射频线圈(18)。
A magnetic resonance imaging scanner (10) includes a main magnet (12), magnetic field gradient coils (16), and one or more radio frequency coils (18).
使用高灵敏度的G856、dtz2型核子旋进式磁力仪，对乌鲁木齐地磁台199个测点的磁场梯度进行了复测。
The magnetic field gradient is surveyed again at 199 sites in Urumqi geomagnetic station using high sensitivity nuclear procession magnetometers of Type G856 and DTZ 2.
火成岩具有强磁化率，导致火成岩孔隙内部产生强磁场梯度，使火成岩的核磁测井T2谱发生前移、核磁孔隙度减小；
Igneous rock with strong magnetic susceptibility, leading to strong internal magnetic field gradient, and to T2 spectrum forward and NMR porosity decrease.
1978年，斯考尔滕首先提出，发生在鸟类眼球中的某种生化反应最有可能产生了电子，而电子的自旋会受到微小的梯度磁场影响。
Schulten first hypothesized in 1978 that some sort of biochemical reaction took place in birds’ eyes, most likely producing electrons whose spin was affected by subtle magnetic gradients.
举个例子，磁场就不是梯度。
本文运用电磁场的梯度矢势分析了一般情况下傍轴光束的衍射传输问题。
In this paper the transmission of paraxial light beams was analyzed based on the gradient vector potential of electromagnetic field.
在磁共振成像系统中，梯度磁场用来对成像物体进行空间编码。
Imaging objects are spatially encoded by gradient magnetic fields in magnetic resonance imaging systems.
磁力梯度张量表示的是磁场矢量三个分量的空间变化率，能够很好地用于偶极子场源的定位跟踪。
Magnetic gradient tensor is that the three components of the magnetic field vector space rate of change, is able to do well for the dipole localization and tracking.
为了在单边核磁共振仪器外产生梯度恒定的磁场，提出利用基于拓扑优化和有限元法的优化设计方法。
To obtain a constant gradient magnetic field outside unilateral nuclear magnetic resonance (NMR), optimal design method based on finite element method (FEM) and topology optimization is proposed.
实验定量地验证了梯度磁场可以诱导气体对流的发生，从而进一步推进扩散火焰燃烧反应。
The experiment quantitatively verifies the existence of convection flows of gas induced by the gradient magnetic field, furthermore the convection flow promotes the combustion in diffusion flames.
对于等离子体空间分布存在较大的密度梯度的物理问题，必须考虑二维空间特性对磁场渗透速度的影响。
Strong two dimensional effect on the field penetrating speed should be included in the fluid analysis for a plasma space distribution with high density gradient.
这种新场型既是高梯度发散磁场，又具有一定的穿透能力。
Not only is the new field type a divergent field of a high gradient, it also possesses some penetrating capacity.
报道了用超低频脉冲梯度磁场治疗肿瘤的实验研究以及对其机理的探讨。
We have reported the experiment studies on treating sarcoma with ultralow frequency pulsed gradient magnetic field and discussed its probable mechanism in this article.
标准滤线栅便于形成在收集边缘提供高磁场和高梯度的要素，压降较低。
Standard grids have advantageously shaped elements to provide high magnetic field and gradient near collecting edges, while causing very low pressure drop.
该系统主要由L波段ESR谱仪、三维梯度磁场装置、数据处理及图像重建软件组成。
The main components of the ESRI system include a set of L-band ESR spectrometer, the three dimensional gradient magnetic field system and the imaging reconstruction software.
试验表明，高梯度磁场捕集燃煤可吸入颗粒物是一种新型有效的方法。
Experimental results indicate that the employment of high gradient magnetic fields is an efficient new way of capturing inhalable particles originated form the combustion of coal.
通过对三个管件的裂纹部位的检测实验，找出裂纹宽度与漏磁场的最大值和变化梯度之间的关系。
Through the examination experiment on three tube pieces' crack part, the relation of crack width, the maximum of leak magnetic field and differential coefficient is found out.
介绍了高梯度磁场氮氧分离的原理及技术现状。
The principle and status of the separation of nitrogen and oxygen from air by high-gradient magnetic field are introduced briefly.
RRI的产品线包括高性能梯度和填充线圈，高稳定性电源，梯度放大器，磁场管理和电磁学咨询。
RRI's product line includes high performance gradient and shim coils, high stability shim power supplies, gradient amplifiers, magnetic field management and consulting on magnetics.
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