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- Keywords NMR logging;two-dimensional NMR;relaxation time;internal field gradient;paramag-netic material; 核磁共振测井;二维核磁共振;弛豫时间;内部磁场梯度;顺磁物质;
- Internal field gradients 岩石内部磁场梯度
- internal field gradient 内部磁场梯度
- Format_id Internal field used to determine the format of the rest of the row. format_id用于确定其余行格式的内部字段。
- When the rf pulse is combined with magnetic field gradients, a spatially encoded signal is produced that can be detected and translated into images. 当射频脉冲与磁场梯度联合起来时，我们可以探测到一个空间编码信号的产生并且将它转变成图像。
- Monte Carlo simulation provides an alternate way to quantify the effects of inhomogeneous field gradients used in MRI and NMR. 蒙特卡罗模拟提供了一种定性研究MRI和NMR中非均匀场梯度扩散衰减的方法.
- effects of internal magnetic field gradients 内部磁场梯度的影响
- 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。
- A intracavity multiphoton absorber in driven optical systems is a effective means to depress the internal field fluctuation. 在受驱动光学系统中增设内腔多光子吸收元件是抑制腔场噪声的有效手段。
- Format_id Internal field used to determine the format of the rest of the row in the SYSCOLSTAT system table. format_id内部字段,用于确定SYSCOLSTAT系统表中其余行的格式。
- We have measured the electric field gradient at the positions of the radio-active probe atoms inside the Nb-H lattice under different temperatures. 测量了Nb-H晶格内放射性探查原子~(181)Hf位置上在不同温度下的电场梯度。
- Imagesetter linearzed is an output of a very important aspect of the operation determines the output film field gradient density and mesh point values are correct or not. 照排机的线性冻是输入操纵洋的一个不入格次给的步调，该步调操纵不决着输入胶片的实地密度和网点阶调值不差与否。
- For the application of TIR grating to the high-energy laser system, reduction of the internal field enhancement can avoid the danger of damage effectively. 在应用于高功率激光时，降低光栅内部的电场增强可以有效降低损伤风险。
- The first part introduce the basic principle of Magnetic Resonance Imaging and the structure of MRI spectrometer, which includes pulse sequence generator and compiler, RF unit,receiver unit and pulse field gradient unit. 第一部分简单介绍了核磁共振成像的基本原理，以及MRI仪器的各个组成部分。 其中包括脉冲序列发生器、射频发射单元、接收机单元和梯度发生单元。
- It has been shown that the spatial distributions of F centers in the quartz Dewar are non-uniform from ESR spectrum with magnetic field gradient and 2-D ESR images. The concentration of F center is colsely related to the irradiation direction and density. 从F心的有梯度场ESR谱和二维ESR图象可以看出;石英杜瓦中产生的F心空间分布是不均匀的;其浓度与辐照方向和辐照强度密切相关.
- In general, changing the internal fields of classes is not good object-oriented coding practice. 一般来说,更改类的内部字段并不是一种良好的面向对象的编码习惯。
- 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. 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。
- The particle capture efficiency rises with the increase of particle magnetization, magnetic field gradient and fill ratio of ferromagnet media, and it reduces with the increase in aerosol velocity. 磁场强度和磁介质填充率的增加可以提高颗粒的捕集效率，而气体流速的增大则会导致颗粒捕集效率降低。
- The field artillery pounded away at the for tress. 野战炮兵连续炮击那座要塞。
- Based on the research trends in international field, status of catalysis gasification hydrogen production method using supercritical water (SCW) reaction were summarily reviewed. 基于目前国际上的最新研究动向,重点就超临界水催化汽化生物质制氢技术的研究现状进行了归纳和综述。
