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1)  non co linear structure of spins
自旋非共线结构
2)  noncollinear geometry
非共线结构
1.
The influence of grating period and noncollinear geometry on the broadly tunable bandwidth of optical parametric amplification are investigated theoretically and numerically for quasi-phase-matched crystal.
系统分析了基于准相位匹配晶体的光参量放大过程中极化周期和非共线结构对信号光调谐带宽的影响。
3)  spin structure
自旋结构
1.
We further investigate the contributions of the qqqq_i(?)_i components to the spin structure of baryons,including magnetic moments,spin content,weak decay constants and spin polarized distribution in deep inelastic scattering.
在组分夸克模型理论的框架下,结合实验数据,对包括最低能量的五夸克组态的基态重子的自旋结构等特性,如重子的磁矩、自旋以及轴矢量弱耦合常数,进行了分析和讨论。
4)  spin-valve structure
自旋阀结构
1.
This thesis reports an analytic study on the giant- magnetoresistance of multi-layer sandwich structure and spin-valve structure by using Green function quantum statistics approach and nonlinear Kubo formula that was derived by sub-dynamics theory.
本论文报导使用量子统计格林函数方法以及由子动力学理论推出的非线性响应理论对多层膜三明治结构和自旋阀结构的巨磁电阻效应的解析研究。
5)  nonlinear structure
非线性结构
1.
Analysis of seismic response properties of layered foundation-nonlinear structure system;
层状地基-非线性结构系统地震响应特性分析
2.
The parameter optimization of friction dampers is investigated for nonlinear structures subjected to severe seismic excitations.
研究了强烈地震作用下非线性结构中摩擦阻尼器的参数优化问题。
3.
The methods extracting multi-scale damage features of nonlinear structures are studied based on wavelet transformation.
研究基于小波变换的非线性结构多尺度损伤特征提取方法。
6)  structural nonlinearity
结构非线性
1.
Based on this model,the structural nonlinearity is researched,and the vehicle performances especially vertical performances are discussed considering the structural nonlinearity.
结合某轮边驱动电动车相关参数,建立考虑导向杆件、弹性元件,以及阻尼元件空间结构、空间姿态和空间尺寸的双横臂扭杆弹簧悬架系统的数学模型,研究该悬架所具有的结构非线性特性及其对车辆行驶性能尤其是车辆垂向性能的影响。
2.
Based on the CFD/CSD method,the aeroelasticity of a flexible wing was calculated,and the effect of structural nonlinearity on the precision of the calculation was analyzed.
基于CFD/CSD的高精度气动弹性方法计算了某大柔度机翼的气动弹性问题,分析了结构非线性对计算精度的影响。
补充资料:自旋-自旋弛豫


自旋-自旋弛豫


  磁共振成像术语。又称T2弛豫或横向弛豫(transverse relaxation),指垂直于外磁场B0方向的磁化矢量的指数性衰减过程。磁共振成像时,对置于外磁场B0中的自旋系统施加90°射频脉冲,则自旋系统被激励,其净磁化矢量指向与外磁场B0垂直;射频脉冲终止后,被激励的质子与邻近的原子核之间发生相互作用,逐渐失去相位,净磁化矢量指向恢复与外磁场平行,该过程称自旋-自旋弛豫。自旋-自旋弛豫过程无能量交换。
  
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