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.
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。
The design process: marking traditional and modern style, gradient colors, from inside to outside light, as the rising sun, reflecting its value.
设计过程：标志传统加现代风格，渐变的颜色，由里到外发光，如同升起的太阳，体现出其价值。
The developing level of the technology of producing in-situ gradient composites in outside force field (centrifugal method and electromagnetic separation method)has been reported.
综述了利用外力场（离心铸造法和电磁分离法）制备自生梯度复合材料的研究现状。
Then I used the gradient tool set to Radiant (with black on the outside, and transparent on the inside) to create a darkening around the kid, and set that layer to Overlay.
接着我将渐变工具设置为径向渐变(黑色在外部中间透明)在小孩周围创建阴影接着将图层样式设置为叠加。
The hardness and wear resistance of Al 20Si alloy FGM reduced gradually from the inside to the outside of the specimen, changed in gradient.
材料内层硬度较高、耐磨性较好，由内向外硬度逐渐减小、耐磨性变差，呈梯度变化。
If heat is transferred from outside to inside, the height of the interface will descend and the temperature gradient at the stratification interface can be strengthen.
若室外热量向室内传递，则会增大分层界面的温度梯度，同时分界面的高度降低。
If heat is transferred from outside to inside, the height of the interface will descend and the temperature gradient at the stratification interface can be strengthen.
若室外热量向室内传递，则会增大分层界面的温度梯度，同时分界面的高度降低。
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