magnetic field gradient

Application study on the magnetic field gradient concentrating oxygen in heat power combined cycle generation

磁场梯度聚氧及其在多能源联合循环中的应用研究

Magnetic field gradient track detecting in the construction of Shaowu new geomagnetic station

邵武地磁新台建设磁场梯度跟踪测量

Design and applications of weak magnetic field gradient sensor

U型微弱梯度磁场检测传感器设计及应用

Influence of internal magnetic field gradient on nuclear magnetic resonance of volcanic rocks and its detection method

内部磁场梯度对火山岩核磁共振特性的影响及其探测方法

It discusses the detecting method and the reverse calculation of the abnormality of magnetic field gradient .

文中还就探测方法及磁梯度异常的反演计算进行了讨论。

The magnet which generates high magnetic field gradient was developed by the FEA electromagnetic computing software .

根据三维有限元（FEA）电磁场计算软件的仿真和计算，自制出实验所需的产生高梯度磁场的永磁磁体。

The magnetic field gradient of these magnetic field profiles is obtained quantitatively by using Lorentz fit .

通过洛伦兹拟合的方法定量地得到了这些磁场形貌的磁场梯度。

High deposition rate of a-Si ∶ H film is observed near by the substrate with high magnetic field gradient .

制备aSi∶H薄膜时，在衬底附近具有高的磁场梯度值可以得到高的沉积速率。

Theoretical and experimental results demonstrate that the deflection is proportional to the magnetic field gradient and magnetic nanoparticle concentration .

理论和实验证明，超顺磁液滴偏转程度正比于磁纳米颗粒浓度和磁场梯度。

The four single component sensors compose three magnetic field gradient sensors with one as signal sensor , the other as noise sensors .

4个探头组成3个磁场梯度传感器，其中一个为信号传感器，另两个为噪声传感器。

The electric current passing through the conductor on the film of bubble generates a local magnetic field gradient to make the bubble propagate .

在磁泡薄膜上面的导体中通过电流，产生局部磁场梯度使磁泡传输。

Superparamagnetic droplets can be precisely manipulated into the designated sub-microchannels by controlling effective magnetic field gradient range simply .

通过简单控制有效磁场梯度范围，可以精确操控超顺磁液滴流入指定分微通道。

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。

As an example , magnetic field gradient of 16-pieces quasi-segmented , trapezoidal quadrupole is calculated and compared with a 16-pieces plane head segmented quadrupole .

试算了16体准形四极透镜的梯度，并同相应的16体平头扇形四极作了比较。

The four large flares occured at the area of N-polarity with the large magnetic field gradient near the neutral line and the red-shift-area of velocity field in the chromospheric .

本文分析的4个大耀斑均爆发在中性线附近的N极区磁场梯度大的地方及色球速度场的红移区。

It was found that high deposition rate was observed nearby the substrate with a high magnetic field gradient and that the better photosensitivity of a-Si : H film could be obtained at the lower substrate temperature when magnetic field gradient is high .

在温度不很高时，高的磁场梯度可得到光敏性较好的aSi：H薄膜。

It is suggested that the representative natural core sample should be selected as regional reference material to calibrate NMR porosity of complex lithology , or internal magnetic field gradient in complex rock grain / fluid system should be studied in order to get corrected NMR porosity .

为此，建议选用本地区有代表性的天然岩心作为标样标定其孔隙度，或者研究该类岩石内部磁场梯度分布，得到经内部磁场梯度校正后的NMR孔隙度。

Measuring microwave ECR ( electron cyclotron resnance ) plasma parameters with a double-probe , the author discovered that a large-section uniform plasma soure is deeply dependent on the axial direction magnetic field gradient , the plasma parameters are also influenced by the gas pressure .

利用双探针测试了微波ECR等离子体参数，发现获得大面积均匀等离子体源强烈依赖于轴向磁场梯度，等离子体参数受气压影响亦很大。

When the direction of the magnetic field strength gradient and the direction of the chemical potential gradient is identical , the effect of the mass transfer is best .

并指出当外加磁场感应强度梯度的方向和化学势梯度的方向一致时，传质效果最好。

Chapter 4 is devoted to proposing generation and manipulation of entangled atom states in an antiferromagnetic spin-1 BEC under magnetic field with gradient and also investigating the dynamics of the entropy of entanglement .

第四章着重讨论在有梯度的磁场作用下反铁磁相互作用的旋量玻色&爱因斯坦凝聚体中纠缠原子态的产生和操控及纠缠的动力学问题；

A Study of Magnetic Field with Uniform Gradient

均匀梯度磁场的研究

Analytical calculation of magnetic field distribution and gradient of cylindrical multipolar magnetic separator

圆柱形多极磁选机磁场分布和场强梯度的解析计算

Magnet excitation curves , radial and longitudinal views of magnetic fields , field gradient , equivalent lengths and so on , are illustrated .

本文叙述了它们的测磁内容和方法，给出了激磁曲线、径向和轴向场分布、磁场梯度、等效长度等结果。

But when the magnetic field and temperature gradient are kept on a constant , growth rate has no significant impact on the flow velocity in the mushy zone .

而在磁场强度和温度梯度不变时，生长速度对于糊状区熔体的流动速度并没有明显的影响。

Nowadays , multi-functional MRI requires relevant magnet with higher magnetic field and stronger gradient system , however , the much stronger magnetic field , the more complicated design difficulty .

为了满足磁共振成像多功能的发展需要，必须有与之相适应的较高磁场强度的磁体和梯度磁场系统。

Influence of an uniform axial magnetic field on the Pressure gradient in arc

均匀纵向磁场对电弧压力梯度的影响

First the magnetic field strength and its gradient distribution are calculated , and the results show that single circular wire loop can be used to built a micro-lens .

首先，利用单个圆形载流导线形成单个微型磁透镜，计算了聚焦磁场的强度及其梯度的空间分布，并且模拟了单个圆形载流导线对~（87）Rb原子束的聚焦过程。

In order to obtain the location information and depict a spatial distribution image of the proton , it needs three additional gradient magnetic field generated by the gradient coils .

为了获得位置信息以描绘出质子的空间分布图像，又利用通电线圈在主磁场的基础上叠加了三个梯度场。

The analytical calculating method for magnetic field distribution and field gradient in the separation space of magnetic separator with cylindrical multipolar magnetic system is established by using conformal transformation process and complex potential function .

运用保角变换和复势函数方法，建立圆柱形多极磁选机分选空间磁场的解析计算方法。

The utility model with the structure can better meet the requirements of magnetic field intensity and magnetic field gradient , and thus the utility model is an ideal magnetic fluid treating device .

这种结构可以更好地满足磁场强度和磁场梯度的要求，所以它是一种理想的流体磁处理装置。