准一维反铁磁自旋链,quasi-one-dimensional Heisenberg antiferromagnetic chain,在线英语词典,英文翻译,专业英语

1) quasi-one-dimensional Heisenberg antiferromagnetic chain

准一维反铁磁自旋链

Using density-matrix renormalization group (DMRG) method, we studied the effect of magnetic frustrations due to next-nearest- neighbor bonds in a system of quasi-one-dimensional Heisenberg antiferromagnetic chain but with ferrimagnetic properties.

利用密度矩阵重整化群(DMRG)方法研究磁性阻挫对一种S=1/2准一维反铁磁自旋链但却具有亚铁磁性的Heisenberg系统基态的影响。

2) quasi one-dimensional

准一维

Research progress in preparation of quasi one-dimensional nanosized materials by wet chemical methods;

湿化学法制备准一维纳米材料的研究进展

Thermodynamic cycle efficiency of hypersonic airbreathing engine is analyzed using thermal engine closed cycle analysis, a quasi one-dimensional performance calculation model of hypersonic airbreathing engines is developed by one-dimensional flow approaches using the entire set of control volume conse.

用热力循环的方法对超燃冲压发动机的性能作了初步的分析,建立了超燃冲压发动机准一维性能计算分析模型,并分析了一些影响参数对发动机效率的影响。

3) quasi-consistency

准一致性

On the basis of the possibility degree for ranking interval numbers,a new concept—the quasi-consistency is proposed.

基于区间数比较的可能度公式,提出了准一致性概念。

4) quasi-one-dimensional

准一维

In this thesis, using ED (exact-diagonalization) and DMRG (density matrix renormalization group) methods,we study the effect of magnetic frustrations from next-nearest-neighbor bonds in a quasi-one-dimensional (QOD) antiferromagnetic Heisenberg (AFH) c.

本论文研究的是一种含阻挫的S =1/2准一维反铁磁自旋链但却具有亚铁磁性的海森堡模型,即在S =1/2一维海森堡反铁磁链的上方每间隔一个格点周期性地掺入一个自旋为1/2的侧自旋,并且考虑侧自旋与链上次近邻格点间的交换作用(即阻挫αJ)。

In this thesis, a kind of quasi-one-dimensional (QOD) Antiferromagnetic Heisenberg (AFII) system is studied by using the density matrix renormalization group (DMRG).

本文利用密度矩阵重整化群(DMRG)方法研究了一种准一维反铁磁海森堡自旋系统,即在一维S=1/2反铁磁海森堡链的旁边每隔一个格点周期性地掺杂一个S=1/2自旋(称为侧自旋),其中侧自旋与链上最近邻格点间的交换积分为J_2,链上最近邻格点间的交换积分为J_1(J_2,J_2>0),为了方便,取η=J_2/J_1。

5) quasi-integration

准一体化

Research on the Integration and Quasi-integration Decision-making of Production System;

生产系统一体化与准一体化集成决策问题研究

Quasi- integration is the agricultural industrialized development direction, and collaboration is the important approach to develop quasi-integration in agriculture.

农业产业准一体化经营是目前最为有效的组织形式,是农业产业化的发展方向,而合作制是又快又好地发展农业产业一体化经营的主要途径。

6) pseude-one-step

准一步法

Synthesis and characterization of hyperbranched polyesters by pseude-one-step preparations;

“准一步法”合成超支化聚酯及表征

参考词条

准一维模型准一般关系准一人公司准一维流动记准一致性准一维理论准一维氧化物准一维微米结构准一维碳材料准一维三平行链 CIE标准一般天空标准一致性测试准一维电子通道农田水量平衡模型分区控制模式

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。
　　

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

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1) quasi-one-dimensional Heisenberg antiferromagnetic chain 准一维反铁磁自旋链 1. Using density-matrix renormalization group (DMRG) method, we studied the effect of magnetic frustrations due to next-nearest- neighbor bonds in a system of quasi-one-dimensional Heisenberg antiferromagnetic chain but with ferrimagnetic properties. 利用密度矩阵重整化群(DMRG)方法研究磁性阻挫对一种S=1/2准一维反铁磁自旋链但却具有亚铁磁性的Heisenberg系统基态的影响。 2) quasi one-dimensional 准一维 1. Research progress in preparation of quasi one-dimensional nanosized materials by wet chemical methods; 湿化学法制备准一维纳米材料的研究进展 2. Thermodynamic cycle efficiency of hypersonic airbreathing engine is analyzed using thermal engine closed cycle analysis, a quasi one-dimensional performance calculation model of hypersonic airbreathing engines is developed by one-dimensional flow approaches using the entire set of control volume conse. 用热力循环的方法对超燃冲压发动机的性能作了初步的分析,建立了超燃冲压发动机准一维性能计算分析模型,并分析了一些影响参数对发动机效率的影响。 3) quasi-consistency 准一致性 1. On the basis of the possibility degree for ranking interval numbers,a new concept—the quasi-consistency is proposed. 基于区间数比较的可能度公式,提出了准一致性概念。 4) quasi-one-dimensional 准一维 1. In this thesis, using ED (exact-diagonalization) and DMRG (density matrix renormalization group) methods,we study the effect of magnetic frustrations from next-nearest-neighbor bonds in a quasi-one-dimensional (QOD) antiferromagnetic Heisenberg (AFH) c. 本论文研究的是一种含阻挫的S =1/2准一维反铁磁自旋链但却具有亚铁磁性的海森堡模型,即在S =1/2一维海森堡反铁磁链的上方每间隔一个格点周期性地掺入一个自旋为1/2的侧自旋,并且考虑侧自旋与链上次近邻格点间的交换作用(即阻挫αJ)。 2. In this thesis, a kind of quasi-one-dimensional (QOD) Antiferromagnetic Heisenberg (AFII) system is studied by using the density matrix renormalization group (DMRG). 本文利用密度矩阵重整化群(DMRG)方法研究了一种准一维反铁磁海森堡自旋系统,即在一维S=1/2反铁磁海森堡链的旁边每隔一个格点周期性地掺杂一个S=1/2自旋(称为侧自旋),其中侧自旋与链上最近邻格点间的交换积分为J_2,链上最近邻格点间的交换积分为J_1(J_2,J_2>0),为了方便,取η=J_2/J_1。 5) quasi-integration 准一体化 1. Research on the Integration and Quasi-integration Decision-making of Production System; 生产系统一体化与准一体化集成决策问题研究 2. Quasi- integration is the agricultural industrialized development direction, and collaboration is the important approach to develop quasi-integration in agriculture. 农业产业准一体化经营是目前最为有效的组织形式,是农业产业化的发展方向,而合作制是又快又好地发展农业产业一体化经营的主要途径。 6) pseude-one-step 准一步法 1. Synthesis and characterization of hyperbranched polyesters by pseude-one-step preparations; “准一步法”合成超支化聚酯及表征参考词条准一维模型准一般关系准一人公司准一维流动记准一致性准一维理论准一维氧化物准一维微米结构准一维碳材料准一维三平行链 CIE标准一般天空标准一致性测试准一维电子通道农田水量平衡模型分区控制模式补充资料：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。　　说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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